data engineer

senior software development engineer Jobs in Washington

senior software development engineer

api developer jr.

api developer lead

api developer, mid

software developer

Guidehouse

<div>Job Family:
Software Development &amp; Support 
Travel Required:
Up to 10% 
Clearance Required:
Active Top Secret (TS)
Overview
We&rsquo;re seeking a mission‑driven Software Developer to build, modernize, and sustain applications that support critical Department of Justice (DOJ) missions. You&rsquo;ll work within secure environments and collaborate with product owners, security engineers, and stakeholders to deliver reliable, secure, and scalable software&mdash;improving how DOJ teams protect the nation and deliver justice.
What You Will Do<ul><li>
Design, develop, test, and deploy secure, scalable applications and APIs for DOJ systems.</li><li>
Implement microservices, event‑driven patterns, and data integrations to support case management, analytics, and mission workflows.</li><li>
Automate build, test, security scanning, and deployment (CI/CD) for repeatable, auditable releases.</li><li>
Harden applications and infrastructure to meet RMF, STIG, FIPS 140‑2, and FedRAMP control objectives.</li><li>
Contribute to ATO packages with documentation, test evidence, and security remediation artifacts.</li><li>
Optimize application performance, reliability, and observability (logs, metrics, tracing).</li><li>
Collaborate in Agile/Scrum ceremonies; refine backlog items with product owners and mission stakeholders.</li><li>
Write maintainable code with comprehensive unit/integration tests and clear documentation.</li><li>
Support production operations, incident response, and continuous improvement in secure environments (including SCIF as needed).</li></ul>
What You Will Need<ul><li>
U.S. Citizenship</li><li>
Active Top Secret (TS) Clearance with SCI or the ability to obtain SCI</li><li>
EIGHT (8+) years of professional software development experience in secure or regulated environments.</li><li>
Strong proficiency in one or more of the following stacks:<ul><li>
Backend: Java/Spring Boot, .NET/C#, Python (FastAPI/Flask/Django), or Node.js (Express/Nest)</li><li>
Frontend: React, Angular, or Vue with TypeScript</li></ul></li><li>
Experience building RESTful APIs and working with PostgreSQL/Oracle (schema design, performance tuning).</li><li>
Hands‑on with CI/CD (GitLab CI, Jenkins, GitHub Actions) and containerization (Docker, Kubernetes/OpenShift).</li><li>
Practical security mindset: input validation, authN/Z, secrets handling, OWASP Top 10, TLS/mTLS.</li><li>
Familiarity with DoD/IC/DOJ security practices, including RMF artifacts, STIGs, and secure coding standards.</li><li>
Experience in cloud (AWS GovCloud or Azure Government) and infrastructure as code (Terraform/CloudFormation).</li><li>
Strong communication skills and the ability to operate in cross‑functional, mission‑focused teams.</li><li>
Education: BS in Computer Science, Engineering, or equivalent practical experience.</li></ul>
Nice to Have<ul><li>
Experience supporting DOJ components (e.g., FBI, DEA, ATF, EOIR, BOP, USAO) or adjacent federal law enforcement/civil agencies.</li><li>
Data streaming and search: Kafka, Kinesis, Elasticsearch/OpenSearch, NiFi.</li><li>
Observability &amp; SecOps: Splunk/CloudWatch/Prometheus/Grafana, SAST/DAST/SCA tooling (e.g., SonarQube, OWASP ZAP, Trivy).</li><li>
Knowledge of CJIS, NIEM, FISMA, FedRAMP High, and Section 508 compliance.</li><li>
Experience with messaging and integration: gRPC, GraphQL, EventBridge, SQS/SNS, RabbitMQ.</li><li>
Test automation frameworks (JUnit, pytest, Cypress/Playwright) and contract testing (PACT).</li><li>
Zero‑trust and identity integrations: OAuth2/OIDC, SAML, KMS/HSM, PKI, ABAC/RBAC.</li><li>
Platform experience with Red Hat OpenShift, service mesh (Istio/Linkerd), and policy tools (OPA/Gatekeeper).</li><li>
Performance tuning and cost optimization in GovCloud environments.</li><li>
Certifications: AWS/Azure (Gov), Security+, CASP+, CISSP, CKA/CKAD, DoD 8570/8140‑aligned.</li></ul>
Desired Additional Skills<ul><li>
Domain modeling and data lifecycle management for sensitive/controlled data.</li><li>
Secure secrets and configuration management (e.g., AWS Secrets Manager, HashiCorp Vault).</li><li>
Strong documentation habits (ADR, runbooks, playbooks) to support audits and ATO.</li><li>
Ability to triage and resolve production issues under change‑controlled processes.</li><li>
Experience mentoring developers and contributing to coding standards and reusable templates.</li><li>
Comfortable working within SCIF procedures and handling tickets/change requests through ITSM tools (ServiceNow/Jira).</li></ul>
The annual salary range for this position is $113,000.00-$188,000.00. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. 
What We Offer:
Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Benefits include:<ul><li>
Medical, Rx, Dental &amp; Vision Insurance</li><li>
Personal and Family Sick Time &amp; Company Paid Holidays</li><li>
Parental Leave</li><li>
401(k) Retirement Plan</li><li>
Group Term Life and Travel Assistance</li><li>
Voluntary Life and AD&amp;D Insurance</li><li>
Health Savings Account, Health Care &amp; Dependent Care Flexible Spending Accounts</li><li>
Transit and Parking Commuter Benefits</li><li>
Short-Term &amp; Long-Term Disability</li><li>
Tuition Reimbursement, Personal Development, Certifications &amp; Learning Opportunities</li><li>
Employee Referral Program</li><li>
Corporate Sponsored Events &amp; Community Outreach</li><li>
Care.com annual membership</li><li>
Employee Assistance Program</li><li>
Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)</li><li>
Position may be eligible for a discretionary variable incentive bonus</li></ul>
About Guidehouse
Guidehouse is an Equal Opportunity Employer&ndash;Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.
Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.
If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at RecruitingAccommodation@guidehouse.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.
All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or guidehouse@myworkday.com. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.
If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse&rsquo;s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact recruiting@guidehouse.com. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant&rsquo;s dealings with unauthorized third parties.
Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.</div>

Senior Software Developer

Codevista Solutions

<div>
 
 Job Description
 
 
 Embark on your software development journey with CodeVista as a Junior Python Developer in a fully remote position. Collaborate with a dynamic team from anywhere in the US, building scalable Python applications and honing your coding skills. Enjoy flexible hours, professional growth opportunities, and the freedom of remote work while contributing to real-world projects that make an impact.
 
 
 Full Description
 
 
 CodeVista is seeking a motivated Junior Python Developer to join our remote team. This entry-level role offers the perfect opportunity for recent graduates or early-career professionals to dive into Python development while working flexibly from home or any location in the United States.
 
 
 As a Junior Python Developer, you will assist in developing and maintaining web applications, scripts, and data processing tools using Python. Your responsibilities will include writing clean, efficient code; debugging and testing software components; and collaborating with senior developers to implement features based on project requirements. You will work on a variety of tasks, such as automating workflows, integrating APIs, and contributing to backend services using frameworks like Flask or Django. Entry-level projects will focus on building foundational skills, allowing you to learn agile methodologies and best practices in a supportive environment.
 
 
 Since this is a fully remote position, we prioritize asynchronous communication and work-life balance. Our team uses tools like Slack for daily updates, Zoom for video meetings, and Jira or Trello for task tracking. Expect regular stand-ups and code reviews via GitHub to foster collaboration without the need for in-office presence. We encourage flexible schedules, typically 40 hours per week, with core hours overlapping for team syncs (e.g., 10 AM - 2 PM ET). Remote work setup includes access to company-provided laptops or stipends for home office equipment.
 
 
 To succeed in this role, you should have a basic understanding of Python programming, including data structures, functions, and object-oriented principles. Familiarity with libraries like NumPy, Pandas, or requests is a plus but not required&mdash;we offer training for those eager to learn. Version control with Git is essential for contributing to our repositories. Beyond technical skills, we value self-starters who can manage their time effectively in a remote setting, communicate clearly via written and virtual channels, and demonstrate a passion for problem-solving.
 
 
 At CodeVista, we believe in nurturing talent. You will receive mentorship from experienced developers, participate in pair-programming sessions, and attend virtual workshops on topics like unit testing with pytest or deploying apps to cloud platforms such as AWS or Heroku. Our projects span industries like fintech and e-commerce, giving you exposure to diverse challenges. This role is ideal for building a strong foundation in software engineering while enjoying the perks of remote work, including no commute and global team interactions.
 
 
 Join us to grow your career in a company that values innovation and inclusivity. Apply today and start coding from wherever inspires you!
 
 
 Requirements
 
 <ul>
 <li>
 Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience)
 </li>
 <li>
 Basic proficiency in Python programming, including syntax, loops, and functions
 </li>
 <li>
 Understanding of fundamental concepts like variables, data types, and error handling
 </li>
 <li>
 Experience with version control systems like Git (personal projects or coursework acceptable)
 </li>
 <li>
 Strong self-motivation and ability to work independently in a remote environment
 </li>
 <li>
 Excellent time management skills to meet deadlines without direct supervision
 </li>
 <li>
 Effective communication skills for collaborating via tools like Slack and Zoom
 </li>
 <li>
 Willingness to learn new technologies and adapt to team processes
 </li>
 <li>
 Basic problem-solving abilities demonstrated through coding challenges or projects
 </li>
 </ul>
</div>

Junior Python Developer

TCG, Inc.

<div>You've stumbled upon the rare B Corp government contractor! At TCG, we aim to prove that businesses can be good to their employees and responsible to their community while being profitable. We are seeking a Technical Lead/Senior Full Stack Developer to join our team. This is a remote position.
US Citizenship and the ability to pass a Federal Top Secret Equivalent background investigation are required.
RESPONSIBILITIES:<ul><li>
Support and guide full stack development/product activities for Java and .NET custom applications, including updates to each sprint on the development roadmap based on the Product Owner's feedback and preparation for sprint activities (e.g. review of user stories)</li><li>
Report sprint, release, and project status to the Project Manager and provide input on project plans, schedules, and risk management.</li><li>
Contribute to Product Increment (PI) planning, product roadmap development, sprint planning, sprint reviews, and product demonstrations.</li><li>
Front end JavaScript development</li><li>
Ensures the security of products and responding to security-related issues and requests</li><li>
Production support on systems of responsibility as needed</li><li>
Supports, maintains, and documents software functionality</li><li>
Conduct proactive code analysis to find sources of risk, causes of errors and revise programs as needed</li><li>
Attends agile ceremonies and mentors junior developers</li><li>
Participates in software design meetings and analyzes new user needs to determine technical requirements, including testing approach and criteria</li><li>
Consults with the PM and Product Owner as needed to prototype, refine, test, and debug programs</li><li>
Keeps up-to-date with best practices and skills</li><li>
Responsible for continuous technical process improvement and adherence to industry standard practices</li><li>
Identifies, anticipates, and addresses performance bottlenecks</li><li>
Other duties as assigned</li></ul>
REQUIRED SKILLS:<ul><li>
A minimum of 8 years of progressively responsible experience working in a software development environment that includes:</li><li>
At least 5 years of experience developing Java or .NET web applications on a Windows platform</li><li>
At least 2 years of experience as senior full stack developer or technical lead</li><li>
Experience with JavaScript Development within an agile team environment</li><li>
Experience with DevSecOps tools including Jenkins andSonarQube</li><li>
Experience writing SQL and other RDBMS such as MySQL, MS SQL Server</li><li>
Experience implementing DevSecOps processes and CI/CD tools to automate software delivery</li><li>
Experience with Kendo UI solutions such as Kendo Grids</li><li>
Experience with modern front-end development frameworks like Angular+</li><li>
Direct experience leading, mentoring, and coaching a team technically and ability to contribute quickly to the project</li><li>
Troubleshooting skills and experience such as reviewing logs, attaching a debugger, use of Chrome developer tools</li><li>
Comfortable with web security best practices (e.g. OWASP Top 10)</li><li>
Independent problem-solving skills, strong analytical abilities, creativity, and clear appreciation of end customer needs</li><li>
The ability to prioritize and organize efforts in a fast-paced environment</li><li>
Demonstrates excellent grammar and spelling in written communication and ability to produce clear technical documentation</li></ul>
PREFERRED SKILLS:<ul><li>
Experience with front-end JavaScript frameworks like JQuery</li><li>
Knowledge of the following:</li><li>
Enterprise Java web containers (Servlet API 3.0+) such as Tomcat</li><li>
Java Spring Framework (4.0+)</li><li>
Git and Azure DevOps source code management</li><li>
Experience with Docker, Docker Compose and Docker orchestration systems (e.g. Kubernetes)</li><li>
Experience with automation tools such as Telerik and Selenium</li><li>
Familiarity with platforms such as Ruby on Rails and Python</li><li>
Familiarity with Atlassian products and services (e.g. Jira, Confluence)</li><li>
Familiarity with Azure (or other cloud provider) service offerings</li><li>
Microsoft Azure or AWS technical certifications</li></ul>
EDUCATION:
A Bachelor's degree in Computer Science, Information Technology, or a related field is desired; relevant experience is acceptable in lieu of degree
TCG does not discriminate based on race, sex, color, religion, national origin, age, disability, caste, or veteran status.
Our B Corp mission is reflected in our benefits, including offerings like health care, 401K, parental leave, adoption assistance, financial planning services, student loan repayment assistance, and training budget. There's more, see for yourself.
TCG is recognized for treating employees well, in fact, in 2025 The Washington Post named TCG as a &quot;Top Workplace&quot; for the eleventh straight year based on how our employees feel about the company, the benefits TCG offers, and the work/life balance that our staff achieves. In the Washington Post Top Workplace survey, our CEO was ranked best by TCG employees' votes among all midsize companies.
Try us ... we'll make you happy.
Salary: $170,000-$185,000</div>

Technical Lead/Sr Full Stack Developer

MKS2 Technologies

<div><div>MKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Our commitment to excellence and our &quot;Mission First&quot; orientation has resulted in steady growth and an expanding client base across government agencies. We have employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran-owned companies in the nation. Please take a moment to browse through our website and learn more about what it means to serve with MKS2.</div> 


API Developer, Mid &ndash; Fully Remote (Temp‑to‑Hire) 
Salary: $120,000&ndash;$140,000

The VA Lighthouse Program is a major U.S. Department of Veterans Affairs initiative focused on modernizing access to VA data through secure, scalable APIs. The program AI &amp; Engineering team supports this mission by delivering modern engineering practices, accelerating digital transformation, and improving how Veterans, partners, and internal teams access critical information. This fully remote API Developer role is temp‑to‑hire, with conversion eligibility based on client requirements. 


Role Overview

This position is responsible for designing, developing, and maintaining APIs that power communication across systems within the VA Lighthouse ecosystem. The role combines hands‑on API development, integration engineering, testing, documentation, and collaboration across cross‑functional teams. 


Key Responsibilities
<ul>
<li>Define and document API specifications, endpoints, data models, and protocols (REST, GraphQL).</li>
<li>Build and implement APIs using languages and frameworks such as Java, Python, Ruby, and .NET.</li>
<li>Integrate APIs with internal systems, external applications, and third‑party services.</li>
<li>Write unit, integration, and end‑to‑end tests; debug and resolve issues to ensure reliability and performance.</li>
<li>Maintain clear, comprehensive API documentation, including usage examples and best practices.</li>
<li>Implement authentication, authorization, encryption, and other security best practices.</li>
<li>Monitor and optimize API performance, scalability, and reliability.</li>
<li>Manage API versioning and ensure backward compatibility.</li>
<li>Collaborate with front‑end and back‑end developers, architects, QA engineers, and other stakeholders.</li>
<li>Provide ongoing support, troubleshoot issues, and implement enhancements based on user feedback.</li></ul> 


Required Technical Skills
<ul>
<li>Java, Spring Boot, Spring Batch</li>
<li>GitHub, GitHub Actions, Git Releases</li>
<li>Jaeger and OpenTracing</li>
<li>MySQL, Oracle, AWS RDS, Document DBs (DynamoDB, MongoDB)</li>
<li>Ruby, Python</li>
<li>AWS Cloud services</li>
<li>Backstage.io</li>
<li>OpenAPI specification</li>
<li>Docker, Kubernetes, Helm</li>
<li>Familiarity with VA Lighthouse APIs</li></ul><div> 

Diversity creates a healthier atmosphere: MKS2 Technologies is proud to be an Equal Employment Opportunity / Affirmative Action employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.</div></div>

API Developer, Mid

Leidos

<div>
 
 Description
 
 
 
 Leidos Homeland is seeking a highly motivated
 
 Junior Application Developer
 
 supporting Airports, Borders and Security FBI portfolio. The candidate will support our Facilities technical IT contract and be responsible for understanding customer needs to create applications. The ideal candidate will operate independently with limited supervision and can establish solid working relationships within the division, as well as our external Government customers.
 
 
 
 This position is on a future contract pending award announcement.
 
 
 
 
 You must be a US citizen with an active TS security clearance to be considered.
 
 
 
 
 Primary Responsibilities
 
 
 
 <ul>
 <li>
 Develop, test, and maintain web-based, mobile, or desktop applications according to business requirements.
 </li>
 <li>
 Collaborate with senior developers to design software solutions and implement new features.
 </li>
 <li>
 Write clean, efficient, and well-documented code following company standards and coding guidelines.
 </li>
 <li>
 Debug and resolve application issues, bugs, and performance bottlenecks.
 </li>
 <li>
 Participate in code reviews and learn modern software development practices and methodologies.
 </li>
 <li>
 Assist in documenting technical specifications, architecture, and process workflows.
 </li>
 <li>
 Work closely with cross-functional teams such as QA, design, and project management.
 </li>
 <li>
 Stay updated on emerging programming languages, tools, and technologies relevant to the company&rsquo;s tech stack.
 
 
 </li>
 </ul>
 
 Required Security Clearance
 
 
 
 <ul>
 <li>
 Active Top Secret.
 
 
 </li>
 </ul>
 
 Basic Qualifications
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience).
 </li>
 <li>
 Basic knowledge of one or more programming languages (e.g., Java, C#, Python, JavaScript, or similar).
 </li>
 <li>
 Understanding of web technologies (HTML, CSS, JavaScript, and basic frameworks like React or Angular).
 </li>
 <li>
 Familiarity with databases (SQL or NoSQL).
 </li>
 <li>
 Knowledge of version control systems such as Git.
 </li>
 <li>
 Strong problem-solving and analytical skills.
 </li>
 <li>
 Excellent communication and teamwork abilities.
 </li>
 <li>
 Eagerness to learn and adapt to new technologies.
 
 
 </li>
 </ul>
 
 Preferred Qualifications
 
 
 
 <ul>
 <li>
 Internship or project experience developing software applications.
 </li>
 <li>
 Exposure to Agile/Scrum methodologies.
 </li>
 <li>
 Familiarity with cloud platforms (AWS, Azure, or Google Cloud).
 </li>
 <li>
 Understanding of REST APIs and backend development.
 </li>
 <li>
 Degree in IT related field preferred.
 </li>
 <li>
 Experience with SAFe and ITIL.
 </li>
 <li>
 Experience in communications, Agile, and DevSecOps; hardware/software fabrication; Cloud, platform system integration; and/or test and evaluation is a plus.
 
 
 </li>
 </ul>
 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo &mdash; because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 &mdash; and moving faster than anyone else dares.
 
 
 
 Original Posting
 
 
 
 January 16, 2026
 
 
 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
 
 
 
 Pay Range
 
 
 
 Pay Range $57,850.00 - $104,575.00
 
 
 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
 
 
 
 About Leidos
 
 
 
 Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
 
 
 
 Pay And Benefits
 
 
 
 Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
 
 
 
 Securing Your Data
 
 
 
 Beware of fake employment opportunities using Leidos&rsquo; name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system &ndash; never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
 
 
 If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
 
 
 
 Commitment to Non-Discrimination
 
 
 
 All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
 
 
</div>

Junior Application Developer

<div><div>MKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Our commitment to excellence and our &quot;Mission First&quot; orientation has resulted in steady growth and an expanding client base across government agencies. We have employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran-owned companies in the nation. Please take a moment to browse through our website and learn more about what it means to serve with MKS2.</div> 


API Developer &ndash; Fully Remote (Temp‑to‑Hire) 
Salary: $105,000&ndash;$125,000

The VA Lighthouse Program is a major U.S. Department of Veterans Affairs initiative focused on modernizing access to VA data through secure, scalable APIs. The program AI &amp; Engineering team supports this mission by delivering modern engineering practices, accelerating digital transformation, and improving how Veterans, partners, and internal teams access critical information. This fully remote API Developer role is temp‑to‑hire, with conversion eligibility based on client requirements. 


Role Overview

This position is responsible for designing, developing, and maintaining APIs that power communication across systems within the VA Lighthouse ecosystem. The role combines hands‑on API development, integration engineering, testing, documentation, and collaboration across cross‑functional teams. 


Key Responsibilities
<ul>
<li>Define and document API specifications, endpoints, data models, and protocols (REST, GraphQL).</li>
<li>Build and implement APIs using languages and frameworks such as Java, Python, Ruby, and .NET.</li>
<li>Integrate APIs with internal systems, external applications, and third‑party services.</li>
<li>Write unit, integration, and end‑to‑end tests; debug and resolve issues to ensure reliability and performance.</li>
<li>Maintain clear, comprehensive API documentation, including usage examples and best practices.</li>
<li>Implement authentication, authorization, encryption, and other security best practices.</li>
<li>Monitor and optimize API performance, scalability, and reliability.</li>
<li>Manage API versioning and ensure backward compatibility.</li>
<li>Collaborate with front‑end and back‑end developers, architects, QA engineers, and other stakeholders.</li>
<li>Provide ongoing support, troubleshoot issues, and implement enhancements based on user feedback.</li></ul> 


Required Technical Skills
<ul>
<li>Java, Spring Boot, Spring Batch</li>
<li>GitHub, GitHub Actions, Git Releases</li>
<li>Jaeger and OpenTracing</li>
<li>MySQL, Oracle, AWS RDS, Document DBs (DynamoDB, MongoDB)</li>
<li>Ruby, Python</li>
<li>AWS Cloud services</li>
<li>Backstage.io</li>
<li>OpenAPI specification</li>
<li>Docker, Kubernetes, Helm</li>
<li>Familiarity with VA Lighthouse APIs</li></ul><div> 

Diversity creates a healthier atmosphere: MKS2 Technologies is proud to be an Equal Employment Opportunity / Affirmative Action employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.</div></div>

API Developer Jr.

HarmonyTech

<div>HarmonyTech Inc. is seeking an experienced Dynamics 365 Developer (80% of workload) along with some Agile Scrum Master duties (20% of workload) to join our team. This role combines technical expertise in Microsoft Dynamics 365/C# development with the leadership skills of a certified Scrum Master. You will collaborate closely with Product Owners, stakeholders, and technical teams to design, develop, and deliver intuitive, high-quality solutions that drive adoption and efficiency. 
 
Position is in Washington D.C. The position requires U.S. Citizenship and the ability to pass a Public Trust background check, which includes a mandatory fingerprinting and background investigation. Candidates must be willing and able to complete this process. Washington D.C. and surrounding states candidates only. 
 
Key Responsibilities:
As a Dynamics 365/C# Developer (80% workload):<ul><li>
Design, develop, and implement solutions in Microsoft Dynamics 365, C# and related Microsoft-based systems.</li><li>
Create compelling and user-friendly interfaces for both web and application architectures.</li><li>
Work with Product Owners to transform business requirements into functional user stories.</li><li>
Identify and model process and data requirements, define business rules, and develop test cases.</li><li>
Conduct functional testing to ensure quality and performance standards are met.</li><li>
Serve as the primary functional liaison between stakeholders and the technical development team.</li></ul>
As an Agile Scrum Master (20% workload):<ul><li>
Facilitate agile scrum ceremonies including daily stand-ups, sprint planning, sprint reviews, and retrospectives.</li><li>
Guide the team to reach consensus on achievable goals for each sprint.</li><li>
Keep the team focused and aligned with scrum principles and practices.</li><li>
Identify and remove impediments to team progress.</li><li>
Shield the team from external distractions and interruptions.</li><li>
Foster a culture of continuous improvement and collaboration.</li></ul>
Required Qualifications:<ul><li>
4+ years of experience in Microsoft Dynamics 365 development.</li><li>
Hands on development experience with C# and JavaScript.</li><li>
Proven experience as a Scrum Master in agile projects.</li><li>
Current certified Scrum Master (CSM) or equivalent certification, or ability to obtain Scrum Master certification within 60 days after the start date.</li><li>
Strong understanding of Microsoft-based system development.</li></ul>
Desired Skills:<ul><li>
Experience with SharePoint 365 Configuration.</li><li>
Familiarity with Azure DevOps for work tracking and deployment.</li><li>
Knowledge of Power BI for reporting and analytics.</li></ul>
Education:<ul><li>
Bachelor&rsquo;s degree in Computer Science, Information Technology, or a related field.</li><li>
Equivalent combination of education, certifications, and experience may be considered.</li></ul>
If you are interested and feel that you would excel in the position, we invite you to apply. During this phase of our recruiting effort, we will not be able to accept telephone calls. Only those candidates meeting the requirements will be contacted. No recruiters please.
About HarmonyTech
We have been delivering information technology services and solutions across the Federal government and commercial clients for over a decade. Our employees are the most important assets of our company because they delivery value and care for our clients. We are a company of passionate technologist constantly evolving in our understanding and application of technology to best fulfill our client&rsquo;s mission needs. We operate under a flat and efficient organizational structure to ensure our hand-picked consultants have the flexibility to take risks and be innovative. We typically work in small, agile teams as we design and develop solutions to address our client&rsquo;s business challenges. Our success is measured with every satisfied customer and employee.
Why you want to join us
<ul><li>You have a passion for solving our customers complex business problems</li>
<li>Awesome learning and professional development opportunities</li>
<li>A culture built on teamwork and excellence</li>
</ul>
Benefits
HarmonyTech offers a highly competitive salary and benefits package including:
<ul><li>Medical/Dental/Vision Insurance (company contributes 80% of the entire premium)</li>
<li>Short/Long Term Disability Coverage</li>
<li>Life and AD&amp;D Insurance</li>
<li>401(k) Retirement Plan with Company Match</li>
<li>Tuition Reimbursement</li>
<li>Employee Referral Bonus</li>
<li>Paid Federal Holidays</li>
<li>Accrued Paid Time Off</li>
<li>Click the benefits package link above to check out the benefits we offer</li>
</ul>
Legal
HarmonyTech believes in a policy of equal employment and opportunity for all people based on merit. We are an Equal Opportunity Employer (EEO) and Drug Free Workplace Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin or any other category protected by applicable federal, state or local laws.
The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel. Additionally, they do not establish a contract for employment and are subject to change at the discretion of HarmonyTech.
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