senior java engineer

Fiserv

<div><div><div>Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Senior Java Engineer
About your role:
You will design, build, and modernize scalable software solutions that support secure, resilient, and high-performance platforms. You will work with architects, product partners, and engineering teams to deliver microservice-based applications, improve legacy systems, and strengthen engineering practices across the software development life cycle. This role is important to advancing platform reliability, technical quality, and delivery execution in complex business environments.
What you'll do:<ul><li>
Design, develop, and enhance mission-critical applications using Java and Spring-based technologies for greenfield development and legacy modernization initiatives</li><li>
Build and support microservice-based solutions, Representational State Transfer (REST) application programming interfaces (APIs), and event-driven integrations that meet security, performance, and scalability requirements</li><li>
Partner with architects, business stakeholders, and cross-functional technology teams to define technical solutions, refine requirements, and deliver reliable software outcomes</li><li>
Apply DevOps practices including continuous integration and continuous deployment pipelines, automated testing, containerization, and environment automation to improve delivery consistency</li><li>
Troubleshoot, optimize, and support production systems in high-availability environments using observability, monitoring, and logging frameworks</li><li>
Provide technical guidance through code reviews, pair programming, and mentoring to help improve engineering quality and support less experienced engineers</li><li>
Promote secure coding standards, vulnerability remediation, technical debt management, and sustainable engineering practices across the development lifecycle</li><li>
Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.</li></ul>
Experience you'll need to have:<ul><li>
8+ years of experience in Java software development building and delivering enterprise applications in production environments</li><li>
6+ years of experience developing microservice-based solutions using Spring Framework, Spring Boot, Spring Cloud, Spring Security, and Spring Data</li><li>
5+ years of experience designing and implementing REST APIs, service-to-service communication patterns, authentication, authorization, and data protection using tools and standards such as Swagger, Feign Client, and JSON Web Token (JWT)</li><li>
4+ years of experience working with event-driven architectures using RabbitMQ or an equivalent messaging technology, and relational database technologies in distributed systems</li><li>
4+ years of experience applying DevOps practices, including continuous integration and continuous deployment tools, automated testing, code scanning, secure development practices, and vulnerability remediation</li><li>
3+ years of experience working with front-end teams and React to support responsive single-page or multi-page application development</li><li>
Bachelor's degree in computer science, software engineering, information technology, or a related field, or equivalent combination of education, related experience and/or military experience</li></ul>
Experience that would be great to have:<ul><li>
Experience integrating artificial intelligence-assisted tools into software development and testing workflows</li><li>
Experience with Microsoft Azure native and hybrid deployment patterns</li><li>
Experience with Kubernetes or a similar container orchestration platform</li><li>
Experience in payments, financial services, or other high-availability transaction processing environments</li></ul>
Sponsorship:
You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.
#LI-IH1
Salary Range
$90,000.00 - $158,400.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company&rsquo;s sole discretion.
Thank you for considering employment with Fiserv. Please:<ul><li>
Apply using your legal name</li><li>
Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).</li></ul>
Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv&rsquo;s Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.</div></div></div>

Senior Java Engineer

Arrow Electronics

Position: 
Senior Java Software Engineer
 
Job Description: 
We are looking for a skilled Senior Java Developer to join our team and take ownership of designing, developing, and maintaining robust, scalable Java-based applications. This role requires deep expertise in Java and its related frameworks, strong problem-solving abilities, and a solid understanding of modern development practices.
 As a Senior Developer, you will lead project initiatives or development teams, collaborate closely with cross-functional groups including QA, DevOps, and UI/UX designers, and provide technical guidance to junior developers. You’ll play a key role in ensuring our applications meet high standards of performance, scalability, and alignment with business goals.
 Key Responsibilities
 
<ul>
<li>Design, implement, debug, and deploy Java-based applications across the full SDLC.</li>
<li>Collaborate with cross-functional teams to develop robust, maintainable solutions.</li>
<li>Contribute to technical design and architectural decisions using modern best practices.</li>
<li>Maintain high code quality through unit testing and clean code principles.</li>
<li>Support configuration, build automation, deployment, and continuous integration.</li>
<li>Mentor junior developers and actively contribute to a culture of technical excellence.</li>
<li>Stay up to date with industry trends and contribute ideas on integrating innovations such as Generative AI where applicable.</li>
<li>Design and integrate agentic AI capabilities into applications, planning, tool usage, workflow automation, and intelligent decision-making.</li>
<li>Collaborate with AI engineers to build, orchestrate, and optimize agent-based systems using LLMs, vector search and RAG workflows.</li>
</ul>
Required Skills
 
<ul>
<li>Programming Frameworks:</li>
</ul>
Java, Spring Boot, Angular, Node.js, OOP, Design Patterns
 
<ul>
<li>Web Technologies:</li>
</ul>
JavaScript (Basics, AJAX), REST SOAP Web Services
 
<ul>
<li>Database ORM:</li>
</ul>
Native SQL, Oracle, MySQL, Database Design, ERD, JPA, Hibernate
 
<ul>
<li>Search Messaging:</li>
</ul>
Apache Solr, Elasticsearch, Kafka
 
<ul>
<li>Build Deployment:</li>
</ul>
Maven, CI/CD, Deployment Automation
 
<ul>
<li>Testing Quality:</li>
</ul>
Unit Testing (Junit, TestNG), TDD, Clean Code Practices
 
<ul>
<li>Application Servers:</li>
</ul>
Apache Tomcat, WebLogic, JBoss, WebSphere, GlassFish, OC4J
 
<ul>
<li>Tools Configuration:</li>
</ul>
Git, Configuration Management, JIRA, XML (XSD, DTD)
 
<ul>
<li>Security:</li>
</ul>
Familiarity with OWASP secure coding techniques and best practices to mitigate vulnerabilities
 
<ul>
<li>Generative AI Intelligent Automation:</li>
<li>Hands-on experience or strong familiarity with building AI-enhanced features usingLangChain,LangGraph, and similar orchestration frameworks.</li>
<li>Knowledge ofRetrieval-Augmented Generation (RAG) pipelines and integrating them into enterprise applications.</li>
<li>Understanding ofvector databases (e.g., Pinecone, Milvus, Elasticsearch vectors) and practical usage ofembeddings for semantic search or contextual retrieval.</li>
<li>Ability to design prompts and optimize interactions with Large Language Models (LLMs) to improve reasoning, accuracy, and performance.</li>
<li>Understanding multi-agent workflows, planning, and tool-use capabilities powered by modern LLMs.</li>
</ul>
Preferred Skills
 
<ul>
<li>Big Data NoSQL:</li>
</ul>
Hadoop, Hive, Sqoop, Pentaho, MongoDB, HBase
 <ul>
<li>Containers DevOps:</li>
</ul>
Docker, Kubernetes
 <ul>
<li>Other:</li>
</ul>
Security Best Practices, AOP (Aspect-Oriented Programming)
 
Location: 
EG-Cairo, Egypt (Al Emdad Al Tamween)
 
Time Type: 
Full time
 
Job Category: 
Information Technology

Senior Java Software Engineer

<div>
 
 Position
 
 
 
 Senior Java Software Engineer
 
 
 
 Job Description
 
 
 
 We are looking for a skilled Senior Java Developer to join our team and take ownership of designing, developing, and maintaining robust, scalable Java-based applications. This role requires deep expertise in Java and its related frameworks, strong problem-solving abilities, and a solid understanding of modern development practices.
 
 
 As a Senior Developer, you will lead project initiatives or development teams, collaborate closely with cross-functional groups including QA, DevOps, and UI/UX designers, and provide technical guidance to junior developers. You&rsquo;ll play a key role in ensuring our applications meet high standards of performance, scalability, and alignment with business goals.
 
 
 
 Key Responsibilities
 
 
 
 <ul>
 <li>
 Design, implement, debug, and deploy Java-based applications across the full SDLC.
 </li>
 <li>
 Collaborate with cross-functional teams to develop robust, maintainable solutions.
 </li>
 <li>
 Contribute to technical design and architectural decisions using modern best practices.
 </li>
 <li>
 Maintain high code quality through unit testing and clean code principles.
 </li>
 <li>
 Support configuration, build automation, deployment, and continuous integration.
 </li>
 <li>
 Mentor junior developers and actively contribute to a culture of technical excellence.
 </li>
 <li>
 Stay up to date with industry trends and contribute ideas on integrating innovations such as Generative AI where applicable.
 </li>
 <li>
 Design and integrate agentic AI capabilities into applications, planning, tool usage, workflow automation, and intelligent decision-making.
 </li>
 <li>
 Collaborate with AI engineers to build, orchestrate, and optimize agent-based systems using LLMs, vector search and RAG workflows.
 
 
 </li>
 </ul>
 
 Required Skills
 
 
 
 <ul>
 <li>
 Programming &amp; Frameworks:
 
 
 </li>
 </ul>
 Java, Spring Boot, Angular, Node.js, OOP, Design Patterns
 
 
 <ul>
 <li>
 Web Technologies:
 
 
 </li>
 </ul>
 JavaScript (Basics, AJAX), REST &amp; SOAP Web Services
 
 
 <ul>
 <li>
 Database &amp; ORM:
 
 
 </li>
 </ul>
 Native SQL, Oracle, MySQL, Database Design, ERD, JPA, Hibernate
 
 
 <ul>
 <li>
 Search &amp; Messaging:
 
 
 </li>
 </ul>
 Apache Solr, Elasticsearch, Kafka
 
 
 <ul>
 <li>
 Build &amp; Deployment:
 
 
 </li>
 </ul>
 Maven, CI/CD, Deployment Automation
 
 
 <ul>
 <li>
 Testing &amp; Quality:
 
 
 </li>
 </ul>
 Unit Testing (Junit, TestNG), TDD, Clean Code Practices
 
 
 <ul>
 <li>
 Application Servers:
 
 
 </li>
 </ul>
 Apache Tomcat, WebLogic, JBoss, WebSphere, GlassFish, OC4J
 
 
 <ul>
 <li>
 Tools &amp; Configuration:
 
 
 </li>
 </ul>
 Git, Configuration Management, JIRA, XML (XSD, DTD)
 
 
 <ul>
 <li>
 Security:
 
 
 </li>
 </ul>
 Familiarity with OWASP secure coding techniques and best practices to mitigate vulnerabilities
 
 
 <ul>
 <li>
 Generative AI &amp; Intelligent Automation:
 </li>
 <li>
 Hands-on experience or strong familiarity with building AI-enhanced features using LangChain, LangGraph, and similar orchestration frameworks.
 </li>
 <li>
 Knowledge of Retrieval-Augmented Generation (RAG) pipelines and integrating them into enterprise applications.
 </li>
 <li>
 Understanding of vector databases (e.g., Pinecone, Milvus, Elasticsearch vectors) and practical usage of embeddings for semantic search or contextual retrieval.
 </li>
 <li>
 Ability to design prompts and optimize interactions with Large Language Models (LLMs) to improve reasoning, accuracy, and performance.
 </li>
 <li>
 Understanding multi-agent workflows, planning, and tool-use capabilities powered by modern LLMs.
 
 
 </li>
 </ul>
 
 Preferred Skills
 
 
 
 <ul>
 <li>
 Big Data &amp; NoSQL: Hadoop, Hive, Sqoop, Pentaho, MongoDB, HBase
 </li>
 <li>
 Containers &amp; DevOps: Docker, Kubernetes
 </li>
 <li>
 Other: Security Best Practices, AOP (Aspect-Oriented Programming)
 
 
 </li>
 </ul>
 
 Location:
 
 
 
 EG-Cairo, Egypt (Al Emdad &amp; Al Tamween)
 
 
 
 Time Type
 
 
 
 Full time
 
 
 
 Job Category
 
 
 
 Information Technology
</div>

<div><div><div>Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Senior Java Software Engineer
About your role:
At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Senior Java Software Engineer you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs.
What you'll do:<ul><li>
Lead the design, development, and implementation of software applications to support Fiserv's business goals.</li><li>
Collaborate with cross-functional teams to gather requirements and translate them into technical specifications.</li><li>
Perform coding, testing, and debugging of applications to ensure optimal performance and reliability.</li><li>
Maintain and improve existing codebases and lead peer review processes.</li><li>
Mentor junior developers and provide technical guidance to enhance team capabilities.</li></ul>
Experience you'll need to have:<ul><li>
6+ years of experience in software development</li><li>
3+ years of experience in Java</li><li>
3+ years of experience in SQL databases</li><li>
3+ years of experience in AWS, Azure, or GCP services</li><li>
3+ years of experience with CI/CD pipelines and DevOps practices</li><li>
3+ years of experience with Agile methodologies</li><li>
Bachelor&rsquo;s degree in Computer Science, Information Technology, Information Systems, or a related field (or equivalent industry experience).</li></ul>
Experience that would be great to have:<ul><li>
Experience in the financial services industry, specifically card processing.</li><li>
Experience with C programming</li></ul>
Important information about this role:<ul><li>
This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.</li><li>
You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.</li><li>
This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.</li><li>
All offers of employment are contingent on standard background checks. Fiserv and certain of its affiliated companies are federal, state, and/or local government contractors. Should this position support a Federal Government contract, now or in the future, the successful candidate will be subject to a background check conducted by the U.S. Government to determine eligibility and suitability for federal contract employment for public trust or sensitive positions. Positions that support state and/or local contracts also may require additional background checks to determine eligibility and suitability.</li></ul>
#LI-MK1
Salary Range
$110,000.00 - $186,000.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company&rsquo;s sole discretion.
Thank you for considering employment with Fiserv. Please:<ul><li>
Apply using your legal name</li><li>
Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).</li></ul>
Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv&rsquo;s Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.</div></div></div>

exequt

<div>
 
 Company Overview
 
 
 
 ExeQut is a leader in consulting, delivering customized solutions for enterprise applications and digital platforms. We emphasize transparency, collaboration, and addressing core business challenges through a structured, agile development process. Partnering with clients from ideation to deployment, we ensure that our solutions deliver long-term value and streamline the user experience.
 
 
 
 Job Description
 
 
 
 ExeQut is looking for a Senior Backend Java Engineer to join our growing international team. The ideal candidate will have1&mdash;2 years of experience developing backend systems using Java and Spring Boot, with a foundational understanding of service-oriented architectures. You will work with a multinational team and support U.S.-based clients, so fluency in English and comfort with U.S. time zones (EST core hours) are a must.
 
 
 This is a role for someone who is passionate about backend development, eager to grow, and ready to contribute to real-world enterprise solutions from day one, supported by experienced senior engineers who will mentor and guide your development.
 
 
 
 Primary Responsibilities
 
 
 
 <ul>
 <li>
 Assist in the design and implementation of RESTful APIs and backend services using Java and Spring Boot
 </li>
 <li>
 Contribute to development tasks under the guidance of senior engineers with best practices in mind.
 </li>
 <li>
 Collaborate with cross-functional teams including product managers, frontend developers, and DevOps.
 </li>
 <li>
 Participate in code reviews, architecture discussions, and sprint planning &mdash; learning from senior feedback and gradually contributing your own.
 </li>
 <li>
 Write clean, scalable, and well-documented code.
 </li>
 <li>
 Assist in troubleshooting production issues and contribute to root cause analysis under senior guidance.
 </li>
 <li>
 Optional: Support product ownership tasks such as requirement elicitation and solution scoping.
 
 
 
 </li>
 </ul>
 
 Qualifications And Requirements
 
 
 
 
 Technical Expertise:
 
 
 
 <ul>
 <li>
 3+ years of professional or project-based experience in backend Java development.
 </li>
 <li>
 Foundational hands-on experience with Spring Boot.
 </li>
 <li>
 Basic experience designing and consuming REST APIs.
 </li>
 <li>
 Foundational understanding of software development best practices and architecture patterns.
 </li>
 <li>
 Fluent English Communication.
 
 
 
 </li>
 </ul>
 
 Bonus Skills (Nice-to-Have):
 
 
 
 <ul>
 <li>
 Java certification(s)
 </li>
 <li>
 Any exposure to Azure &mdash; even in a learning or academic context.
 </li>
 <li>
 Basic Familiarity with CI/CD concepts and pipelines
 
 
 
 </li>
 </ul>
 
 Soft Skills &amp; Work Expectations:
 
 
 
 <ul>
 <li>
 Fluent English communication (written and verbal)
 </li>
 <li>
 Availability during US East Coast core hours (9 AM 1 PM EST) from Monday to Friday
 </li>
 <li>
 Strong analytical and problem-solving skills
 </li>
 <li>
 Ability to work in a collaborative, agile, and remote-first environment
 
 
 
 </li>
 </ul>
 
 Role Type:
 
 Full-Time
 
 
 
 Location:
 
 Remote (aligned with USA time zones)
 
 
 
 Working Days:
 
 Monday - Friday
 
 
 
 Hiring Timeline:
 
 Immediate
 
 
 We're excited to meet backend engineer who is passionate about building scalable, high-impact systems apply now and lets build something great together!
</div>

Senior Java Back-End Developer

ITGoals

AboutITGoals, established in 2007, is a leading provider of products, custom software development, and IT services, serving clients across US, Belgium, KSA and Egypt. We specialize in building technology that endures, offering reliable partnerships, scalable solutions, and predictable outcomes. [1]Job SummaryWe are seeking a highly experienced Java Staff / Senior Staff Engineer to drive technical excellence across teams and play a key role in designing and delivering scalable, high-performance systems. This is a senior individual contributor role focused on complex system design, cross-team leadership, and solving high-impact engineering challenges.Key Responsibilities<ul><li>Lead the design and implementation of complex, distributed systems.</li><li>Act as a technical authority across multiple teams or domains.</li><li>Drive engineering standards, best practices, and design principles.</li><li>Mentor senior and mid-level engineers.</li><li>Design scalable, resilient, and high-performance systems.</li><li>Contribute to architecture decisions and long-term strategy.</li><li>Break down complex problems into actionable solutions.</li><li>Ensure systems are maintainable, extensible, and well-documented.</li><li>Write high-quality, production-grade Java code.</li><li>Lead by example in code quality, testing, and documentation.</li><li>Review critical code paths and enforce engineering excellence.</li><li>Align with multiple teams on technical direction.</li><li>Resolve cross-cutting concerns (performance, reliability, security).</li><li>Influence stakeholders on technical decisions and trade-offs.</li><li>Design for scalability, fault tolerance, and high availability.</li><li>Troubleshoot complex production issues and lead Root Cause Analysis (RCA).</li><li>Optimize system performance and resource utilization.</li><li>Promote CI/CD, automated testing, and DevOps best practices.</li><li>Enhance observability (logging, monitoring, tracing).</li><li>Drive initiatives to reduce technical debt.</li></ul>Requirement<ul><li>Expert-level proficiency in Java (Java 8+).</li><li>Strong experience with Spring Boot or similar frameworks.</li><li>Deep understanding of distributed systems, microservices architecture, RESTful APIs, concurrency &amp; multithreading.</li><li>Experience with relational and/or NoSQL databases, and messaging systems (Kafka, RabbitMQ, etc.).</li><li>Proficient with containerization (Docker).</li><li>Strong knowledge of design patterns, event-driven architectures, and scalability strategies (caching, sharding, load balancing).</li><li>Proficient with Git or similar version control systems.</li><li>Experience with CI/CD pipelines.</li><li>Familiarity with monitoring &amp; observability tools.</li><li>Bachelor&rsquo;s or Master&rsquo;s degree in Computer Science, Engineering, or equivalent experience.</li></ul>Nice to have<ul><li>Experience with cloud platforms (AWS, Azure, or GCP).</li><li>Familiarity with Kubernetes or similar orchestration tools.</li><li>Exposure to Domain-Driven Design (DDD).</li></ul>What we offerAt ITGoals, you'll be part of a team that values innovation, reliability, and long-term partnerships. We offer a dynamic environment where you can contribute to impactful projects for global clients, utilizing cutting-edge technologies. We foster a culture of continuous learning and provide opportunities for professional growth and mentorship. Join us in building technology that endures and makes a measurable business impact. [1]LocationCairo, EgyptEmployment TypeFull-TimeReferences ITGoals WebsiteJob Type: Full-timeWork Location: In person

Java Staff / Senior Staff Engineer

Commencis

<div>
 
 We are looking for a highly motivated and experienced
 
 Senior Software Engineer (Java)
 
 to join our team.
 
 
 
 
 
 
 Senior Software Engineer (Java)
 
 is responsible for designing, developing, and maintaining scalable, high-performance backend systems that power our products and services. In this role, you will translate business and product requirements into robust technical solutions, ensuring reliability, security, and performance across backend services.
 
 
 
 
 
 You will work closely with cross-functional teams, including frontend developers, DevOps engineers, product managers, lead engineers, and solution architects, to design and implement efficient, scalable, and maintainable backend architectures using modern Java technologies. You will also contribute to architectural discussions, apply best practices, and support the overall quality and sustainability of the codebase.
 
 
 
 
 
 
 If you are curious by nature, adaptive, collaborative, and always one step ahead, then join us and be a Commencer!
 
 
 
 
 
 
 
 Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Design, develop, and maintain scalable and high-performance backend systems using Java and Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, etc.)
 </li>
 <li>
 Contribute to system architecture decisions and lead the design of both monolithic and microservices-based solutions
 </li>
 <li>
 Develop and maintain Backend-for-Frontend (BFF) layers and core backend services to support scalable applications
 </li>
 <li>
 Strong understanding of design principles, design patterns, and architectural best practices (DDD, TDD, and layered architecture)
 </li>
 <li>
 Build and maintain RESTful APIs and ensure high availability and performance
 </li>
 <li>
 Collaborate with cross-functional teams including product, design, and QA to deliver high-quality solutions
 </li>
 <li>
 Ensure code quality through code reviews, best practices, and clean code principles
 </li>
 <li>
 Write and maintain unit and integration tests
 </li>
 <li>
 Troubleshoot, debug, and optimize existing systems
 </li>
 <li>
 Participate in CI/CD processes and support deployment activities
 </li>
 <li>
 Mentor junior developers and contribute to team knowledge sharing
 </li>
 <li>
 Stay up to date with emerging technologies and industry best practices
 </li>
 <li>
 Experience with AI technologies and a strong interest in learning and applying them in real-world use cases
 </li>
 <li>
 This role requires flexibility in working days to align with client schedules, as some clients operate between Sunday and Thursday.
 </li>
 </ul>
 
 
 
 
 
 Qualifications
 
 
 
 
 
 <ul>
 <li>
 BSc/MSc/PhD degree in Computer Science or a related field, or equivalent practical experience
 </li>
 <li>
 At least 5 years of professional experience in backend development with Java Strong experience with Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security, etc.)
 </li>
 <li>
 Strong understanding of OOP principles, design patterns, and scalable system design
 </li>
 <li>
 Experience with microservices architecture and distributed systems
 </li>
 <li>
 Hands-on experience with relational and non-relational databases (e.g., PostgreSQL, MySQL, MongoDB, Redis)
 </li>
 <li>
 Familiarity with message brokers (e.g., Kafka, RabbitMQ) is a plus
 </li>
 <li>
 Basic knowledge of front-end technologies such as JavaScript, HTML5 and CSS3
 </li>
 <li>
 Strong unit test and debugging skills
 </li>
 <li>
 Proficiency in code versioning tools such as Git
 </li>
 <li>
 Familiarity with CI/CD pipelines and DevOps practices is a plus
 </li>
 <li>
 Strong sense of analytical thinking and problem-solving skills
 </li>
 <li>
 Excellent attention to detail
 </li>
 <li>
 Highly effective time management and multitasking skills
 </li>
 <li>
 Strong verbal and written communication skills both in English and Turkish
 </li>
 </ul>
 
 
 
 
 
 Why Commencis?
 
 
 
 
 
 
 We want people to thrive at Commencis. Here&rsquo;s what Commencers like about working here:
 
 
 
 
 
 
 Competitive Compensation &amp; Benefits:
 
 We offer a competitive salary, private health insurance, pension and retirement plans through a company-backed pension system, meal card, commute compensation, work-from-home support, and a paid birthday off.
 
 
 
 
 
 
 Happier Weekdays:
 
 We offer flexible working hours, including a remote working option. Enjoy online events, guest speakers, office refreshments, a meeting-light culture, and many more perks to enhance your weekdays.
 
 
 
 
 
 
 Never Stop Learning:
 
 We support learning and development programs for almost anything. Additionally, we provide access to leading online e-learning platforms like Udemy and various libraries.
 
 
 
 
 
 
 Community &amp; Socials:
 
 We are a tight-knit community that loves gathering together. Our social activities include happy hours, workshops, a New Year party, breakfast &amp; lunch get-togethers, movie nights, and our Summer Festival.
 
 
 
 
 
 
 Open Culture:
 
 We maintain a flat organizational structure with a culture of direct and open communication. We value Commencers&rsquo; voices and address any suggestions and questions you may have.
 
 
 
 
 
 
 About Commencis
 
 
 
 
 
 
 Join us in paving the way for a thriving digital society!
 
 
 
 
 
 Commencis has more than two decades of expertise in the world of experience design, software engineering and cloud technologies. Our products and solutions are used by leading brands in financial services, insurance, airlines and retail in more than 20 countries.
 
 
 
 
 
 We help our clients around the globe to commence their next evolution and pave the way for a thriving digital society. We love discovering what&rsquo;s next. We value collaboration, curiosity, and an open mindset at work.
 
 
 
 
 
 If you share the same passion with our fellow Commencers, then let us unleash your world-class potential!
 
 
 
 
 
 
 We will process your personal data as part of our recruitment procedures. To find out more, please consult our
 
 Candidate Privacy Notices
 
 .
 
 
 
 
 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
 
 
 
 
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