.net developer

application developer (nrhq) Jobs in Washington

application developer (nrhq)

net developer

CACI International

<div>.NET Developer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * * 
The Opportunity: 
CACI is seeking an experienced software developer who is interested working on innovative software development programs that support our nation&rsquo;s defense. Join us for this exciting and challenging opportunity as a member of an Agile Scrum Team focused on delivering new capabilities as part of a large program team that builds and supports Department of Defense financial management systems. You will be using modern web technologies and enhance your expertise as a software developer. You will get to contribute immediately in a dynamic, fast-paced, high visibility environment. Your ability to work in a fast-paced environment and be flexible to changing requirements will be important to your success.
*Applicants must be local to the DC area to report onsite as needed* 
 
Responsibilities:<ul><li>
Participate on an Agile team in the planning, design, development, and support of .NET/C# based web financial management applications.</li><li>
Work closely with business analysts and subject matter experts to understand functional requirements.</li><li>
Design, develop, unit test, debug, document, and maintain program code.</li><li>
Design, develop, and maintain scalable RESTful and GraphQL APIs.</li><li>
Support formal testing before code is deployed to production.</li><li>
Deliver development efforts that result in well organized and structured deliverables aimed at being easy to understand by others on the development team.</li><li>
Articulate ideas and communicate verbally and in writing task status, unit test results, technical concepts, issues, and questions with the team</li></ul> 
Qualifications: 
 
Required:<ul><li>
Active DoD Secret security clearance is required</li><li>
Bachelor&rsquo;s degree in relevant field or equivalent work experience</li><li>
10+ years experience developing web applications, including team lead experience</li><li>
7+ years experience developing .NET applications</li><li>
7+ years experience using Microsoft Visual Studio</li><li>
Experience with DevOps platform (i.e., Azure DevOps, GitLab, Atlassian Suite, Digital.ai)</li><li>
8570 IAT Level II certification required</li></ul> 
Desired:<ul><li>
Experience with DoD software/web development best practices</li><li>
Experience with Containerization</li><li>
Experience with DevSecOps Pipelines (GitLab, etc.)</li></ul><ul><li></li></ul>
________________________________________________________________________________________
What You Can Expect: 
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you&rsquo;ll be part of a high-performing group dedicated to our customer&rsquo;s missions and driven by a higher purpose &ndash; to ensure the safety of our nation. 
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You&rsquo;ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground &mdash; in your career and in our legacy. 
Your potential is limitless. So is ours.
Learn more about CACI here.
________________________________________________________________________________________
Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.
The proposed salary range for this position is:
$103,800 - $218,100<div>
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.</div></div>

.NET Developer

Autonomic Solutions

GraphQL and .Net Applications Developer (Mid to Senior)Autonomic Solutions LLC., (https://www.autonomicsolutionsllc.com) is a Virginia SWaM certified small business providing mission-focused Digital and Cloud solutions to enable digital transformation and technology innovation for clients. Our services include Applications Development, Systems Modernization and Integration, Cloud Computing, DevSecOps, Data Analytics (including AI/ML/GenAI) and Infrastructure Optimization.We are pursing IT contract opportunities with federal and state government and submitting proposals for RFP and RFI bids. The following requirement is contingent upon contract award from government/prime (February /March 2026 timeline).Job Title: Applications Integration Engineer &ndash; GraphQL + .NET Core (Contingent on Award)Job Type: Full-time | Contract | Hybrid (U.S. Citizen only)About the Role: We are seeking a skilled and motivated Applications Integration Engineer to support a proposed modernization project focused on building GraphQL-based APIs for structured data delivery in a secure, containerized environment in Azure cloud. This role is contingent on award of a federal technology modernization initiative expected to begin in early 2026.As an Integration Engineer, you will help design and develop a federated GraphQL API using .NET Core, Hot Chocolate GraphQL server solution, and containerized services deployed to Kubernetes. You will work closely with other engineers and stakeholders in an Agile team, participate in sprint ceremonies, and contribute to DevOps-enabled CI/CD workflows.Key Responsibilities:<ul><li>Develop and maintain GraphQL subgraphs using Hot Chocolate and ASP.NET Core</li><li>Integrate data from PostgreSQL and existing REST services into new GraphQL endpoints</li><li>Support GraphQL federation via a router/gateway (e.g., Apollo Router)</li><li>Participate in Agile ceremonies, including sprint planning, code reviews, and retrospectives</li><li>Implement secure authentication via OAuth2/JWT</li><li>Deploy services via Helm to Kubernetes as part of a CI/CD pipeline</li></ul>Required Skills &amp; Experience:<ul><li>5+ years in software engineering with .NET Core (C#)</li><li>2-3 years of working with GraphQL (preferably using Hot Chocolate)</li><li>Familiarity with GraphQL federation concepts or interest in learning fast</li><li>Experience working with PostgreSQL or other relational databases</li><li>Familiarity with CI/CD tools (e.g., Azure DevOps, GitHub Actions, GitLab)</li><li>Experience developing and running applications in containers (Docker, Kubernetes)</li><li>Strong Git and source control habits</li><li>U.S. Citizen; able to work on federal projects</li></ul>Nice to Have:<ul><li>Experience with Helm, Prometheus, OpenTelemetry</li><li>Prior experience in civic tech or government data systems</li><li>Understanding of schema governance and GraphQL best practices</li></ul>Job Types: Full-time, ContractPay: $85,000.00 - $145,000.00 per yearExperience:<ul><li>Application development: 5 years (Required)</li><li>web applications development: 7 years (Preferred)</li><li>GraphQL: 3 years (Preferred)</li><li>.NET: 3 years (Preferred)</li></ul>Work Location: Hybrid remote in Washington, DC 20002

GraphQL and .Net Applications Developer- Mid to Senior

Knowledge Management, Inc.

<div>Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real mission requirements. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence AnalysisThreat Assessment, and Data Analytics/Operations Research. Since 1998, our solutions and services have helped our clients improve performance, drive cost and operational effectives, and map technology needs for tomorrow's requirements.
Title: Jr. Full Stack Developer
Location: Remote with ability to travel to support case work as required. Some travel requirements may be outside of the USA.
Position: 1
Duration: Multi-year program
Start date: ASAP
Security Clearance: Active US Treasury Public Trust preferred. Anyone with an active DOD clearance, would be processed for a DHS Public Trust.
Salary: Please provide your salary requirement
Knowledge Management, Inc. is seeking a Jr. Full Stack Developer to support the development and maintenance of our secure, mission-critical web applications. This role will focus on assisting in the implementation of both frontend and backend components, with an emphasis on learning and growing within the Java, Spring Boot, and AWS Bedrock ecosystem.
Key Responsibilities:<ul><li>
Assist in the development and maintenance of full-stack applications, ensuring seamless integration between frontend and backend components.</li><li>
Contribute to the implementation of RESTful APIs using Java and the Spring Boot framework under the guidance of senior developers.</li><li>
Support the integration of AWS Bedrock to leverage foundation models and enhance application capabilities.</li><li>
Assist in designing and implementing relational database schemas and queries to support application functionality and performance.</li><li>
Collaborate with cross-functional teams to deliver new features, ensuring alignment with business objectives.</li><li>
Write clean, maintainable, and testable code, adhering to best practices and coding standards.</li><li>
Participate in code reviews and contribute to the continuous improvement of development practices.</li></ul>
Required Qualifications:<ul><li>
Experience as a Full Stack Developer, with a solid portfolio of delivered projects.</li><li>
Basic experience or a strong academic background in full-stack development.</li><li>
Familiarity with Java and the Spring Boot framework.</li><li>
Proficiency with modern frontend frameworks (e.g., React, Angular, Vue.js).</li><li>
Understanding of relational databases (e.g., MySQL, PostgreSQL) and SQL.</li><li>
Experience with version control systems, particularly Git.</li><li>
Strong problem-solving skills and a focus on delivering high-quality, secure solutions.</li></ul>
Desired Qualifications:<ul><li>
Basic knowledge of AWS Bedrock and its integration with applications.</li><li>
Familiarity with CI/CD pipelines in GitHub Actions or GitLab CI.</li><li>
Interest in learning containerization with Docker and orchestration with Kubernetes.</li><li>
Understanding of cloud platforms (e.g., AWS, Azure, GCP) and their services.</li></ul>
Benefits: All full-time employees are eligible to participate in our benefits programs:<ul><li>
Health, dental, and vision insurance</li><li>
401(k) retirement plan</li><li>
Paid time off (PTO) and holidays</li><li>
Group Term Life and Accidental Death and Dismemberment Insurance</li><li>
Voluntary Term Life Insurance</li><li>
Short and Long-term disability insurance
</li></ul>Equal Employment Opportunity Statement. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
E-Verify Statement. Knowledge Management, Inc. participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, KMI is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.
Pay Transparency Non-Discrimination Provision. Knowledge Management, Inc. will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c)
Disability Statement. If you have a disability and need reasonable accommodation or assistance at any point in the application or onboarding process, please email us at marie@knowledgemanagement.com.</div>

Jr. Full Stack Developer

Metrostar Systems

<div>As Senior Platform Developer, you'll provides subject matter expertise to the team and the customer for all things development with the goal to make an impact across the federal government.

What you'll do:
<ul>
<li>Provide subject matter expertise, in regard to development, to the team and the customer</li>
<li>Research, design, test, evaluate, and implement technologies related to Kubernetes, containerization and other infrastructures</li>
<li>Work on the core platform to create and optimize all functions needed to establish a strong platform infrastructure</li>
<li>Collaborates with the team and the customer daily</li>
</ul>
What you'll need to succeed:
<ul>
<li>8 years of experience as a software developer or engineer</li>
<li>3 years of experience with Infrastructure as Code (IaC), containerization, K8, and CI/CD Automation</li>
<li>Experience with .NET, Java, Python, and Go; as well as experience working in a DevSecOps environment</li>
<li>Experience with Source Code repositories and CI/CD pipeline solutions such as Team Foundation Server/Azure DevOps, Bitbucket, and GitHub</li>
<li>Experience with container orchestration tools (Rancher, OpenShift, etc.)</li>
<li>A bachelor's degree</li>
<li>Active TS/SCI security clearance</li>
<li>Ability to work in Washington, DC on client-site 2-3 days per week</li></ul> 


SALARY RANGE: $175,000 - $184,000

The salary range for this position is determined based on qualifications, skills, and relevant experience. The final salary offered will be determined based on several factors including:
<ul>
<li>The candidate's professional background and relevant work experience</li>
<li>The specific responsibilities of the role and organizational needs</li>
<li>Internal equity and alignment with current team compensation</li>
<li>This role is also eligible for additional compensation, subject to the terms and policies of MetroStar, which may include:</li>
<li><ul><li>Performance-based bonuses</li>
<li>Company-paid training and/or certifications</li>
<li>Referral bonuses</li>
</ul></li>
</ul><div>To apply for this position, please submit your resume via the form below or through our careers page: https://www.metrostar.com/jobs/

Application Deadline: Applications will be accepted on a rolling basis until the position is filled; candidates are encouraged to apply as early as possible for full consideration.

Additional Compensation: This role may also be eligible for bonuses and/or additional incentives based on individual and company performance.

Benefits: All full-time employees are eligible to participate in our benefits programs:
<ul>
<li>Health, dental, and vision insurance</li>
<li>401(k) retirement plan with company match</li>
<li>Paid time off (PTO) and holidays</li>
<li>Parental Leave and dependent care</li>
<li>Flexible work arrangements</li>
<li>Professional development opportunities</li>
<li>Employee assistance and wellness programs</li>
</ul>
Like we said, we are big fans of our people. That's why we offer a generous benefits package, professional growth, and valuable time to recharge. Learn more about our company culture code and benefits. Plus, check out our accolades.

Commitment to Non-Discrimination 
All qualified applicants will receive consideration for employment based on merit and 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, status as a protected veteran, or any other status protected by applicable federal, state, local, or international law.

 What we want you to know:

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

 Not ready to apply now?

Sign up to join our newsletter here.</div></div>

Sr. Platform Developer (5244)

Realign

<div>Job Type: Contract
Job Category: IT
Job Description
<div>Java Lead Developer 
Location: Washington D.C./Remote 
Contract</div><div></div><div> 
Need 14+ Yrs of Candidate</div><div> 
Technical/Functional Skills</div><ul><div>
Experience in developing Microservices, RESTful Web Services using Springboot, Java</div><div>
Experience in developing applications and services using language Python etc.</div><div>
Designed and developed Microservices business components using Spring Boot, Spring JPA.</div><div>
Experience in developing API for using AWS Lambda to manage the servers and run the code in the AWS.</div><div>
Strong notions of security best practices (e.g. using IAM Roles, KMS, etc.).</div><div>
Hands on Experience in writing Lambda functions</div><div>
Integrate AWS with API, writing triggers, jobs</div><div>
Develop and maintain applications written for Amazon Simple Storage Services (S3), Amazon Dynamo DB, Amazon Simple Queue Service (SQS), Amazon Simple Notification Service (SNS), Amazon Simple Workflow Service (SWS), AWS Elastic Beanstalk, and AWS Cloud Formation. Able to design solutions and provide technical mentoring</div><div>
Initiate design reviews for new applications while adhering to the software development standards.</div><div>
Crete design documents, architecture diagram and work with project/client team for defining technical solution</div><div>
Well-versed with the Agile methodology.</div><div>
Excellent verbal and written communication and collaboration skills to effectively communicate with both business and technical teams.</div><div>
Comfortable working in a fast-paced, result-oriented environment.</div></ul>
Required Skills
CLOUD DEVELOPER SQL APPLICATION DEVELOPER</div>

Java Lead Developer-1

Business System Solutions

<div><h1 class="jobSectionHeader">About the position</h1>
We are looking for an Application Developer who will provide application development and lifecycle management services to the 08Y-Enterprise Applications group (08Y-EA) within Naval Reactors Headquarters (NRHQ) in support of Naval Reactors (NR) Program work. NRHQ supports the U.S. Navy's nuclear-powered submarines and aircraft carriers by providing clean, safe, and reliable nuclear propulsion. The 08Y-Enterprise Applications (08Y-EA) group within NRHQ develops and maintains custom workflow software that underpins many Naval Reactors (NR) business processes. You will design and code functional programs and applications, producing fully functional software applications according to requirements.
You should possess excellent knowledge of at least one programming language and be familiar with a variety of operating systems and platforms. This role requires both independent problem-solving and teamwork within an Agile Scrum development environment.
<h2 class="jobSectionHeader">Key Responsibilities</h2>
<ul><li>Develop and implement both new applications and/or databases and enhancements for existing applications and/or databases based on requirements identified in the product backlog</li><li>
Develop and execute test plans, leveraging automated testing tools when possible, to validate functional requirements are met</li><li>
Draft and revise end-user operational instructions and other technical program documentation as needed for new or revised applications</li><li>
Provide maintenance support, including resolution of defects and enhancement requests, for existing applications based on documented requirements</li></ul>
<h2 class="jobSectionHeader">Requirements</h2>
<ul><li>3+ years' experience of working on an Application Developer position - OR - a four-year degree in a relevant concentration</li><li>
MUST have the ability to obtain and maintain a DOE security clearance</li><li>
Solid experience in designing and building applications</li><li>
Close familiarity with programming for diverse operating systems and platforms using development tools</li><li>
Good knowledge of software design and programming principles</li><li>
Strong communication, teamwork, and time-management skills</li><li>
Strong analytical and problem-solving skills with close attention to detail</li><li>
Specific development experience with the ServiceNow (SNOW) platform is desired, but not required</li><li>
Experience developing web-based applications using Javascript and/or HTML is desired, but not required</li></ul>
<h2 class="jobSectionHeader">Work Location &amp; Schedule</h2>
The Application Developer role is based on-site at NRHQ in the Washington, D.C. area, including potentially working at other NRHQ-affiliated offices in the National Capital Region. On-site presence is generally required, though routine telework is allowed with prior approval from the Manager of Enterprise Applications. The standard work schedule aligns with NRHQ's core hours, Monday through Friday, approximately 6:00 AM to 6:00 PM Eastern Time (8 hours per day.
<h2 class="jobSectionHeader">Benefits for Full Time Employees</h2>
<ul><li>401(k), plus 401(k) matching up to 4%</li><li>
Competitive Pay</li><li>
Comprehensive Medical, Dental, and Vision coverage fully paid for employees</li><li>
Flexible Schedule</li><li>
Paid Time Off</li></ul></div>

Application Developer (NRHQ)

Annexa Inc.

<div><div>Senior Mainframe Developer 
 
Employment Type: Hybrid 
 
 
Annexa is currently working with DC's Office of the Chief Technology Officer and is seeking a Senior Mainframe Developer to join our team. The Developer must have 16 years of experience maintaining and managing mainframe platforms and their Operating System (z/OS) and Supporting Program Products (such as DB2 and CICS). 
 
 
Responsibilities:</div>
<ul><li>Current experience with installing, upgrading, and applying maintenance/PTFS for DB2using SMPE or z/OSMF (if they meet this requirement, they must feel comfortable navigating within a LPAR using TSO, ISPF, IBM utilities, etc.</li>
<li>Current experience installing and customizing BMC DB2 Utilities and BMC Mainview.</li>
<li>Current experience working with Application DBAs to solve performance problems.Hands-on experiences with installing DB2</li>
<li>V13 with z/OSMF are a plusFamiliarity with CICS V5.6 or later is a plus.</li>
<li>Position will be responsible for the planning, design, and implementation of standards, naming conventions, and ongoing deployment of a multi-data center DB2environment, including disaster recovery, high availability, and data center-relocation projects.</li>
<li>Must have extensive experience with the installation, support, and roll-out of DB2 components, BMC Tools and Utilities, and related products.</li>
<li>Must have complete familiarity with z/OS, TSO/ISPF, and IBM utilities.</li>
<li>Experience with SMP/E, Sysplex environments, and DB2 integration with WLM is desired.</li>
<li>The position will provide technical support to the application and data center staff.</li>
<li>Additional desired skills are Oracle, SQL, z/VM, Linux, and MVS systems; familiarity with the BMC MainView monitoring tool is also desired.</li>
<li>Must have excellent communication and presentation skills. Position will require project leadership in support of data center projects and strategic initiatives.</li>
<li>Current experience with installing, upgrading, and applying maintenance/PTFS for DB2using SMPE or z/OSMF (if they meet this requirement, they must feel comfortable navigating within a LPAR using TSO, ISPF, IBM utilities, etc.</li>
<li>Current experience installing and customizing BMC DB2 Utilities and BMC Mainview.</li>
<li>Current experience working with Application DBAs to solve performance problems.</li>
<li>Hands-on experiences with installing DB2 V13 with z/OSMF is a plus.</li>
<li>Familiarity with CICS V5.6 or later is a plus.</li></ul> 
<div> 
 
Required Skills:</div>
<ul><li>16+ years of experience leading advanced technology projects or service projects.</li>
<li>16+ years of experience with the full system engineering lifecycle.</li>
<li>16+ years of experience creating implementation/integration plans, test plans, and training materials.</li>
<li>16+ years of experience hands-on in a specific product or IT platform.</li>
<li>Bachelor&rsquo;s degree in Information Technology or related field, or equivalent experience.</li>
<li>Industry certification/ training in a specific IT product/ platform or service.</li></ul></div>

Senior Mainframe Developer

Explore 21+ Net developer in Washington this December. Find roles across top companies and apply now to boost your career.