Java API Engineer
Software Technology Inc
Senior Software Engineer
6+ years of hands-on experience with designing and building large scale web and back office applications
5+ years of experience developing web services (REST) on Java frameworks such as Spring MVC, Java EE
Hands-on project experience building server-side Java web services and enterprise integration business logic frameworks
Experience building multi-threaded batch applications (Spring Boot/Spring Batch)
Experience building modern REST APIs in Java EE container hosted applications (Jetty, Tomcat with Spring MVC or JAX-RS or Jersey)
Experience with database frameworks JDBC or JDBI. As well as familiarity with object-relational mapping frameworks like Hibernate, iBatis
Legacy knowledge of Java EE containers (BEA, JBoss)
Legacy knowledge creating and consuming web services and Service Oriented Architecture
Legacy knowledge of Message Bus (Message Broker, IBM Enterprise Service Bus)
1+ year Hands-on project experience building applications hosted in AWS (configuring, deploying, managing, monitoring) services and distributed applications
Elastic Container Registry (ECR), Elastic Container Service (ECS), Elastic Compute Cloud (EC2)
CloudFormation, DynamoDB, Serverless, Lamdbas, Step Functions, SQS, Kinesis
Understand how to troubleshoot issues in a cloud only environment
Hands-on project experience with test automation frameworks Protractor, Cypress, Jest, Junit, REST Assured, Cucumber
Hands-on project experience creating new CI/CD pipelines with tools like Jenkins or equivalent. Experience automating code quality metrics using tools like Sonar and Veracode
Experience documenting REST APIs and code generation Open API standards and tools (Swagger). Understands good REST API design practices
Solid knowledge of network protocols. Comfortable connecting disparate systems built in multiple languages, multiple operating systems, on-premise, or cloud. Able to identify and troubleshoot network communication problems outside of the application
Demonstrated leadership experience as a Team Lead, Tech Lead, or Architect in previous roles
Experience architecting and implementing customer-facing user interfaces, REST services, third-party integrations, tools, in previous full-stack development roles
Proven problem-solving abilities and discerning application of software engineering best practices (e.g. design patterns, process improvements, test frameworks, CI systems, etc.)
Experience architecting systems using high-scalability datastores
Experience breaking down vague agile business stories into actional epics of technical stories for consumption by engineers working in time zones around the clock
Required Skills: Java Rest API creation and consumption Microservices Spring Boot SQL (separate team does stored procedures etc, just know how to navigate) AWS a nice to have – they are modernizing and moving into the Cloud – 20% there. CI/CID DevOps experience a plus No front-end work, primarily back-end Agile, trying to be TDD/clientD, work in progress Basic Qualification: Additional Skills: Background Check: Yes Drug Screen: Yes Notes: Note: Upon offer, client requires 5 years of W2s for US projects (where applicable) to validate consultant's work history. It is required to show consultants W2 take home pay in the Exh A.
- ...Java SpringBoot Microservices REST API Cloud Kubernetes - Containerization Preferred Skills/Experience 10+ years of progressive responsibilities... ...implementation 4+ years of experience in agile/scrum engineer teams in a continuous integration and continuous delivery...Suggested
$88.2k - $190.9k
API/Java/Python Developer, SME TS Clearance REQUIRED Position Description Position Description CGI Federal has an exciting... ...aspects of cloud-based solutions. Associates with the system engineers and developers to ensure information security CGI Federal...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
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$197.3k - $225.1k
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- ...Job Description Job Description One Federal Solution is seeking an experienced API Backend Developer to support the National Agricultural Library (NAL) Library Support System. The successful candidate will provide backend development services with a primary focus on...
$175k - $215k
...the Role: As a member of the Product and Engineering team at PitchBook, you will be part of a... ...in backend systems - 5+ years of Java development experience, including production... ...AWS and/or GCP - Proficient in RESTful API design - Experience with unit and integration...Full timeWork at officeRemote workVisa sponsorship- ...requirement and send me your updated profile ASAPPosition Title: Sr. Java DeveloperLocation: Washington, DC (Local and Nearby) F2F... ...Proficiency in writing stored procedures.· Experience with designing REST APIs, Web Services.· Should have working experience with WebSphere...Work experience placementLocal area
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$87.1k - $157.45k
Leidos has an exciting opportunity for a Java Developer in our Intel Security Sector's... ...talented team is at the forefront in Security Engineering, Computer Network Operations (CNO),... ...and design patterns, implementing RESTful APIs, and integrating with relational and NoSQL...Full timeImmediate startFlexible hours$153k - $204k
...traded company (Nasdaq: CRWV) in March 2025. Learn more at What You'll Do: The Cloud Platform API team builds the API platform and the tooling that every other engineering team at CoreWeave uses to ship and consume APIs. This role sits with the group that owns...Permanent employmentFull timeContract workTemporary workCasual workWork at officeFlexible hours- Job DescriptionPosition Title: Urgent Backfill - Sr. Java Developer - Strong Angular JS is mustLocation: Washington, DCDuration: will go... ...in writing stored procedures.Experience with designing REST APIs, Web Services.Should have working experience with WebSphere Application...Work experience placement
- Microservices Architecture, React Angular, Java, Springboot, Spring Frameworks, Data Structures and Algorithm, Coding Standard, Restful API, Database Knowledge, Good Communication Skill, Design Patterns, Object Oriented Analysis and Design
- ...applications using Spring Boot o • Implement External Tasks, Java Delegates, Execution Listeners, and Task Listeners o • Optimize... ...Tasklist, and Admin o Backend & Integration o • Build RESTful APIs using Spring Boot o • Integrate Camunda workflows with...
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- ...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...
- Overview/ Job ResponsibilitiesWe are seeking a Java / React developer that is responsible for... ...the system owner, UX designers, cloud engineers, and testers to deliver a solution that... ..., build, and maintain RESTful APIs and microservices using Java.Develop rich...Full time
$103.8k - $218.1k
Job Title: Full-Stack JAVA/REACT JS DeveloperJob Category: Information TechnologyTime Type... ...collaboration with software developers/engineers, and stakeholders within Agile processes.... ...: MS SQL, OracleUnderstanding of RESTful API design and developmentProficiency in...Contract workWork experience placementLocal areaFlexible hours- ...Sr Java Developer Location: DC Metro Area Duration: 12 Months Minimum Requirements MUST HAVE 12+ years of experience working... ...a graph database such as DataStax Experience with the GraphQL API Experience with Kafka or other similar large-scale messaging...
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