Java API Developer
Software Technology Inc
Java SpringBoot Microservices REST API Cloud Kubernetes - Containerization
Preferred Skills/Experience
10+ years of progressive responsibilities in one or more of the following areas: API development and delivery, solution architecture, application design, expertise in Java/Java EE and web-based applications and services.
5+ years of experience/expertise in large scale customer facing enterprise Java applications using Spring core, Spring MVC, Spring Boot Frameworks, GraphQL, Object Relational Mapping (ORM), Java EE -Design Patterns, JMS/Kafka, Webservices, relational database, NoSQL cloud supported databases (like Mongo DB / Cassandra preferred)
4+ years of experience – designing API (Domain Driven Design) & microservices architecture/design/implementation
4+ years of experience in agile/scrum engineer teams in a continuous integration and continuous delivery environment
Demonstrated maturity and resilience in resolving people, process, and project issues.
Cloud native application development in Docker/Kubernetes
Experience working in a DevOps environment (Git/GitHub, CI/CD Pipelines, Kubernetes, Docker, Azure, AWS, GCP)
Experience documenting and testing API's using tools like Swagger, Postman, SoapUI, JMeter, etc.
Test capability SOAUPUI, Selenium, Cucumber, Postman
Knowledge of authentication, authorization of services via OAuth 2
Experience using Agile/Scrum/DevOps methodologies
Exceptional technical expertise in architectural design, development and implementation with specialization in multiple technology disciplines, platforms and applications
Extensive knowledge in system integration and business process modeling
Superior understanding of the enterprise architectural blueprint requirements and the impact on business functions
Considerable technical, logical, analytical and problem-solving skills
Expertise in web accessibility specifically WCAG standards.
Experience in the application security and OWASP principles.
Understanding of Authentication/Authorization, Webservices Security, Certificates and Web Protocols.
$88.2k - $190.9k
CGI Njoyn seeks an API/Java/Python Developer in Arlington, Virginia to advance national security through innovative software solutions. The role focuses on designing and maintaining software applications and APIs using Java and Python, emphasizing security and collaboration...Suggested$88.2k - $190.9k
Position Description: Position Description CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly...SuggestedLocal area- A technology solutions company is seeking a Technical Lead - JAVA in Bethesda, MD. The ideal candidate will have over 5 years of experience... ...development stages while specializing in Java EE7, Spring, and API technologies. Strong problem-solving and communication skills are...SuggestedFull time
- ...Conversion Project: Union Back conversion – converting customer accounts (trusts, credit cards, etc.) There are 7 scrum teams supporting this project. Day to Day: Back-end development – will be developing smaller modules and scripts for data transformation, etc....Suggested
- ...web and back office applications 5+ years of experience developing web services (REST) on Java frameworks such as Spring MVC, Java EE Hands-on... ...Spring Boot/Spring Batch) Experience building modern REST APIs in Java EE container hosted applications (Jetty, Tomcat...Suggested
- ...services company is seeking a Backend Software Engineer to develop scalable backend services and RESTful APIs in Alexandria, VA. Candidates should have 8-12 years... ...U.S. Citizenship. The role requires proficiency in Java or Python, SQL, and Linux environments, coupled with...
- A leading insurance company is seeking a Distinguished Engineer to drive the modernization of technical systems. The ideal candidate will have extensive experience in full-stack development, cloud technologies, and a passion for mentoring. This role offers competitive compensation...Flexible hours
$100k - $230k
...roadmap modernizing our servicing organization with API first design. The ideal candidate is a self-starter... ...Utilize your expertise in designing and developing API's and microservices using graphQL, gRPC, Java, Python, Kafka, with a deep understanding of API first...Hourly payWork experience placementLocal areaFlexible hours- ...Full Stack Java/JEE Developer Seeking a Full Stack Java/JEE Developer with ~5 years of experience with building software solutions leveraging... ...and Bootstrap. Good to have experience in working with API Management Tools. Good to have Experience in working with...
- ...Title: Java Developer Location: Washington , DC Job description: 15 years' experience designing, developing and delivering full... ...(ideal) Experience in linked data, RDF and SPARQL. REST APIs Experience with modern Java methodologies Experience...
- ...Java Developer Specializing in Kafka Join our team as a Java Developer specializing in Kafka, based in Washington, DC with our esteemed... ...technologies. ~ Experience with AWS technologies (ECS/EKS, Lambda, API Gateway, S3, Terraform, Kafka). ~ Knowledge of authorization...
- ...professional proficient in Python programming and access control. The ideal candidate will have at least 5 years of experience in developing API connectors and integrating AI into applications, along with a solid understanding of cloud technologies and DevOps practices....
$90k
...Full Stack Java Developer Bethesda, MD / Hybrid Pay from $90,000/yr MUST: Eligible for standard Public Trust clearance 10+ years of... ...integration between modern React components and Spring-based RESTful APIs Help with leading the technical transition of legacy Spring...- ...Job Title 8+ years of Java development experience Proven experience in payments processing and banking systems Strong knowledge... ...workflows Experience integrating with payment gateways and external APIs Understanding of security practices in financial applications...
- ...Developer Java, Microservices, API Strong Java programming skills. Knowledge of J2EE technologies, Spring framework. Good understanding of software development methodologies and practices. Good knowledge of databases and SQL. Strong analytical and problem...
- ...Job Title Develop RESTful APIs, microservices and application integrations by leveraging Kafka streaming tech stack Required Qualifications: ~6+ years of experience with Java ~3+ years of experience implementing RESTful microservices ~3+ years of experience...
- ...Developer IV The client is seeking a Developer IV to design, develop, and implement applications... ...and agile SDLC. Required Skills: Java, J2EE, Spring, SpringBoot, Spring... ...XML, SQL Expert is building microservices, API oriented programming Excellent Communication...Flexible hours
- ...Sr Java Developer Location: DC Metro Area Duration: 12 Months Minimum Requirements MUST HAVE 12+ years of experience working in... ...graph database such as DataStax Experience with the GraphQL API Experience with Kafka or other similar large-scale...
- ...his mind Location: Hybrid, Washington, DC REQ 2 FS DEVELOPER Developer- fullstack with .net (asp.net, core, c#) for... ...Solid understanding of frontend and backend integration, REST APIs, and responsive UI design. Ability to deliver maintainable...
$95 - $100 per hour
...Job Title AWS Java Spring boot Developer Washington DC, 20002 / Remote possible for well qualified candidates Relevant Experience - 10+ Years... ...Spring Boot, Spring JPA. • Experience in developing API for using AWS Lambda to manage the servers and run the code...Remote work- ...Job Description Job Title: Sr Java Developer. Location: Remote. Duration: Full-Time NEED IRS MBI Clearance. Experience with... ...programming language (i.e., Spring Boot) and maintain APIs. Familiar with software engineering and Agile delivery best practices...Full timeRemote work
- ...Senior Java/AWS Developer We are looking for an experienced Senior Java/AWS Developer to join our team supporting a Randstad client in Washington... ...-native services using AWS technologies (EC2, Lambda, S3, API Gateway, etc.). Provide production support, troubleshoot,...
$130k - $165k
Axios is seeking a Software Engineer in Washington, DC to develop high-quality services leveraging Golang and Python. The role involves designing scalable REST APIs, ensuring service reliability, and collaborating with diverse teams to enhance Axios' systems. Candidates...- ...a testing environment while contributing towards developing and adhering to best-practices for developing applications... ...to the project. Responsibilities: Back-end Java web application development Work with multiple APIs in a microservice architecture Develop using...Local areaRemote work
$94k - $145k
...Position Overview The Java Developer supports the development, maintenance, and enhancement of Java-based components within a Cognos-driven... ...standards, security practices, and best practices. Support APIs, integration points, and data exchange processes. Provide...Contract workWork at office- We are seeking a skilled Full-Stack Developer to join our team in supporting a government client. In this role, you will play a key part in integrating data source APIs, developing Python scripts, creating and managing databases, generating reports, and conducting testing...
$50k - $180k
...best from us. RSC2 is seeking a highly motivated and talented Java Developer to join our growing team! Responsibilities:... ...scalable, secure, access-controlled Java SOAP and REST service APIs and implementations. Experience with Java ORM technologies...Full timeContract work- ...Description Java Developer – TS/SCI with Full Scope Polygraph Xcelerate Solutions is seeking a Java Developer to support the design,... ...Framework, and microservices architecture, including RESTful API implementation and integration with relational and NoSQL databases...
$89.6k - $194k
...Java Software Developer, Mid-Level TS/SCI with Poly REQUIRED Category: Software Development/ Engineering Main location: United States... ...in the cloud platform, such as Apache Kafka, NiFi, FTP, or API gateway. . Communicates with data owners and conducts research...Full timeWork at officeLocal area$100k - $110k
...Java Developer CVP is seeking a Java Developer to join our team supporting the Census Bureau. The professional in this role will design... ...JavaScript, Hibernate and Oracle. ~ Struts 1 to extend Java Servlet API to adopt-model-view-controller architecture. ~ Strong...Work at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Java API Developer. Be the first to apply!
- junior java developer no experience Washington DC
- full stack java developer Washington DC
- java angular developer Washington DC
- java developer full time Washington DC
- entry level java developer remote Washington DC
- junior java developer Washington DC
- java developer contract Washington DC
- java web developer Washington DC
- java developer c2c Washington DC
- java developer remote Washington DC

