Top Java Developer Jobs

Develop and test Java APIs and Spring Boot applications, integrate third-party services, map models to relational databases, and deploy software to web servers. The role supports REST API integration, architecture and scalability improvements, Agile delivery, documentation, demonstrations, and customer workflows. It also includes code reviews, solution design, mentoring junior developers, and collaboration with database, infrastructure, frontend, and program management teams.

Develop secure, cloud-agnostic full-stack applications in Agile teams using Java, React, Spring Boot, AWS Lambda, microservices, and multiple database technologies. Design storage solutions, deploy to AWS and Tanzu, and support mission-critical systems for intelligence community and Department of Defense stakeholders. The role requires a high-level security clearance and involves contributing to cyber development initiatives.

Develop and maintain Java full-stack microservice applications for a government customer. Responsibilities include designing backend and frontend capabilities, building RESTful services, integrating Kafka messaging, managing relational databases, developing Vue.js interfaces, supporting cloud and virtualized deployments, resolving production issues, and participating in Agile ceremonies. The engineer will also provide technical guidance, support end users, and help deliver secure, distributed enterprise systems.

Develop and maintain a large-scale Java full-stack enterprise application for a government customer. Responsibilities include backend and frontend development, relational database integration, messaging systems, RESTful services, agile lifecycle execution, troubleshooting deployed systems, end-user support, and technical guidance. The role requires collaboration in Scrum teams and work with cloud and virtualized platforms while supporting mission-focused capabilities.

Develop and maintain a large-scale Java enterprise application using full-stack web technologies, distributed systems, messaging, databases, and cloud or virtualized platforms. Participate in Agile and Scrum delivery, implement new capabilities, troubleshoot deployed systems, support users, and provide technical guidance. The role requires extensive Java and Angular experience, relational database knowledge, RESTful services, messaging systems, and an active TS/SCI clearance with CI polygraph requirements.

Develop and maintain large-scale distributed microservice applications for a government customer. Responsibilities include full-stack Java development with Spring Boot, Kafka, relational databases, REST services, and Vue.js; participating in Agile ceremonies; diagnosing deployed-system issues; supporting users; and providing technical guidance. The role involves cloud and virtualized platforms, secure cloud-agnostic applications, and researching and implementing new software capabilities.

Develop and maintain scalable Java backend applications, REST APIs, and microservices. Integrate backend services with frontend systems and third-party platforms, write efficient code, conduct reviews, troubleshoot issues, optimize performance, and implement security measures. Collaborate with QA, product, and frontend teams while participating in Agile ceremonies, testing, documentation, and service improvements.

Build and deliver equity derivatives trading applications focused on risk and parameter management. Responsibilities include designing applications using Agile methods, gathering business requirements, collaborating with production support, and delivering hands-on Java server-side development. The role requires extensive financial services and equity derivatives experience, with expertise in Core Java, caching technologies such as GemFire or Coherence, distributed computing, and SQL.

Develop and maintain Java applications using JSF, JSP, JPA, EJB, JDBC, JavaScript, HTML, CSS, XML, JUnit, SQL, and DB2. The role requires prior Blue Cross Blue Shield experience from any U.S. Blue plan, strong communication skills, and understanding of health insurance is beneficial. Subversion and Agile methodology experience are highly desirable. This is a 12-month engagement in Topeka, Kansas.

Build and deliver equity derivatives trading applications, including risk and parameter systems, using hands-on server-side Java development. Responsibilities include designing applications in an agile environment, gathering business requirements, supporting production operations, and collaborating with front-office teams. The role requires extensive financial services experience, equity derivatives expertise, strong Core Java skills, distributed computing knowledge, and familiarity with caching and database technologies.

Design, develop, and maintain Java-based microservices and APIs supporting geospatial analysis, data processing, ETL, and visualization. Lead geospatial feature implementation, integrate relational and NoSQL data stores, and contribute to cloud-native architectures, containerization, DevSecOps, and CI/CD automation. Collaborate with stakeholders on requirements and project planning, conduct code reviews, and mentor junior engineers while delivering mission-critical enterprise capabilities.

Develop and maintain backend financial applications using Java and Spring Boot. Design REST APIs, microservices, and service-oriented systems; write automated tests; conduct code reviews; remediate security and performance issues; and contribute to architecture, CI/CD, Kubernetes, Docker, and Agile delivery. Collaborate with technical teams and stakeholders to define requirements and implement enterprise solutions, with opportunities to influence engineering standards and technical decisions.

Designs, develops, and maintains scalable, secure, performant, and HIPAA-compliant web applications supporting healthcare insurance operations. Responsibilities include translating business needs into technical solutions, contributing to architecture, mentoring developers, conducting code reviews, supporting DevOps and CI/CD practices, participating in cloud modernization, monitoring application performance and security, documenting systems, and providing on-call support.

Own and evolve cloud-based services across the software lifecycle. Design, develop, deploy, test, observe, and improve scalable applications using Java, TypeScript, microservices, Azure, and DevOps practices. Collaborate with stakeholders and product owners, resolve technical issues, support secure software development, contribute to architecture and technical debt reduction, and mentor engineers within an Agile team.

Lead and mentor a team building cloud-native, full-stack decisioning platform components. Drive architectural excellence in distributed microservices, scalability, observability, testing, multi-tenancy, and self-service UI using Go, Python, Java, JS/TypeScript, containerization, and AWS services.

Lead development and maintenance of an e-trading rates derivatives platform. Design architecture, implement business logic and services, own features from requirements through rollout, fix bugs, build QA automation and frameworks, partner with business leaders, and recommend tools and processes to optimize engineering delivery.

Lead an agile engineering team to design, build, and operate secure, scalable full-stack systems. Drive architecture for event-driven microservices, develop Java Spring Boot services and React/TypeScript SPAs, own testing and operational stability, promote AI-assisted engineering practices, and lead technical evaluations and communities of practice.

Develop and maintain scalable full-stack applications using Java Spring Boot and React. Build REST APIs, integrate warehouse and logistics systems, and work with Apache Kafka event streams. Support legacy application modernization, distributed systems, microservices, relational databases, production troubleshooting, performance improvements, testing, code reviews, and cross-functional technical collaboration.

Design, integrate, implement, and maintain Java-based platforms, services, and web applications. Develop application and database components for large projects, build microservices and APIs, investigate critical production issues, and implement technical improvements. Collaborate with customers on requirements, lead project meetings, and provide technical guidance, mentorship, and training to developers. Research emerging technologies and support project management, documentation, and solution delivery.

Lead modernization of an enterprise entitlements platform by designing secure, scalable cloud-native applications. Responsibilities include Java and Spring Boot development, REST APIs, microservices, Kubernetes, CI/CD pipelines, authorization and access-control implementation, service mesh architecture, and mentoring engineers.

Provides technical leadership and hands-on software engineering for intelligence community data transformation and system modernization. Designs scalable Java or Python backend applications, microservices, APIs, distributed data pipelines, and cloud-native systems. Guides architecture, database strategy, security, performance, DevOps, and container orchestration across secure AWS or Azure environments. Mentors engineers, leads technical design sessions, and collaborates with government stakeholders and architects to develop technical roadmaps.

Designs and develops content governance platforms, anti-abuse tools, rule engines, and scalable governance pipelines. Integrates recommendation systems, implements content takedown policies, and builds capabilities for content review, risk detection, policy enforcement, and effectiveness analysis. The role addresses spam, fraud, traffic diversion, low-quality content, and black- or gray-market activity while collaborating with product, operations, algorithm, and business teams.

Lead architecture, design, and implement scalable hybrid-cloud solutions for transactional and analytics workloads. Write and review code, conduct code reviews, collaborate with cross-functional teams, present to senior stakeholders, prioritize work, and mentor team members to drive technical excellence.

Leads the architecture, development, testing, deployment, and production support of scalable full-stack applications. Builds React and TypeScript frontends alongside Go, Java, Python, or Node.js backend services, using AWS, containers, CI/CD, databases, observability, and automated testing. Owns end-to-end delivery, contributes to system design and architecture reviews, resolves complex production issues, mentors engineers, and collaborates with product, design, architecture, and business stakeholders.

Develop and support Java-based applications and integrations using REST or SOAP web services, IBM Integration Bus, Mule, and SODA tools. This is a six-month-plus contract-to-hire opportunity in Minneapolis. Candidates must have a bachelor’s degree or equivalent graduation and meet the stated work authorization requirements. Mule experience may be at a high level, while SODA is preferred.