Top Senior Java Developer Jobs in Atlanta, GA

Lead architecture and modernization of high-volume debit and payments services. Own domain-level technical direction, enforce API/schema governance, improve reliability and observability, drive cloud-native/Kubernetes deployments, ensure security and compliance, mentor senior engineers, and run cross-team initiatives to scale resilient, performant, and auditable payment systems.

This role involves designing, developing, and maintaining Java-based applications and RESTful services, participating across the full SDLC in a collaborative Agile environment.

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

Senior Java developer responsible for full lifecycle design, development, testing and implementation of J2EE web applications. Provide technical leadership, mentor team members, diagnose complex issues, lead code/design reviews, and deliver reusable, high-quality software components.

Design, develop, and maintain Core Java/J2EE applications using MVC and JSF. Implement web services, XML/XSD/XSL, and design patterns. Work with relational databases, front-end HTML/CSS/JavaScript, and optionally Linux. Strong communication skills required. 12+ month engagement.

Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.

Analyze legacy TIBCO BusinessWorks/MFT processes to extract business logic, design and build a decoupled Java/Spring Boot microservices platform, migrate protocols to Kafka/RabbitMQ/REST, translate XML-heavy transformations to modern formats, and validate performance and SLAs to match legacy throughput.

Reverse-engineer TIBCO BW/MFT processes to extract business logic, then design and implement a modular Java/Spring Boot microservices replacement. Migrate protocols to Kafka/RabbitMQ/REST, translate XML transformations, ensure data persistence and consistency, and validate performance to meet existing SLAs.

Design, build, and maintain Java/J2EE multi-layer applications and APIs. Collaborate with architects and DevOps to implement CI/CD, code quality, testing, and database solutions (DB2/Oracle, PL/SQL). Support cross-team delivery, resolve technical roadblocks, and drive process improvements in an asset management/financial services context.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Design, build, and maintain scalable, high-concurrency backend systems for a decentralized wallet. Develop distributed services, optimize JVM/multi-threading performance, integrate APIs and messaging systems, collaborate on architecture, and explore AI/LLM solutions.

Build and maintain backend services and REST APIs using Java (11/17+) and .NET (ASP.NET Core). Implement business logic, data access, and integrations; write well-tested code with JUnit/xUnit/NUnit; contribute to CI/CD and DevOps; participate in design, code reviews, and Agile ceremonies.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.

Develop and enhance enterprise Java-based geolocation products across front-end and back-end using containerization (Docker, Kubernetes). Build microservices and SOA solutions, work with MongoDB/MySQL and Python, perform integration, testing, debugging, and provide tier 2/3 support in an agile DevOps environment using Atlassian tools.

The Software Systems Engineer will develop and maintain software applications using Java and relevant technologies, ensuring optimal performance and compliance with industry standards. Responsibilities include coding, testing, documentation, and collaboration across departments.

Seeking a Senior Level Java Developer with strong skills in front-end, web services, and back-end interaction. Responsibilities include making UI interact based on business requirements.

As a Java Developer at Fiserv, you'll design and implement resilient high-volume solutions, develop APIs, collaborate with teams, and enhance systems using modern cloud practices.

Design, develop, test, debug and document new and existing Java applications across the full development lifecycle. Analyze requirements, create technical specifications, participate in design meetings, prototype with users, evaluate new technologies, provide estimates and project updates, and mentor team members.

Design, develop, test, operate and maintain cloud-native, microservices-based applications. Write production-ready code, perform code reviews, ensure security/compliance, improve reliability, and collaborate across teams using DevOps practices.

The Java Developer will handle application development using Java Spring, Hibernate, and Web Services. Responsibilities include documentation, deployment support, and independent problem-solving for complex issues.

Lead software development on Cloud projects, focusing on Java and AWS technologies while mentoring junior members and collaborating in an Agile Scrum environment.

The Java Developer will focus on end to end J2EE development, emphasizing front end skills. Responsibilities include coding UIs and integrating with backend systems in a team environment. Requires strong knowledge of Java frameworks and databases.

The Java Developer will perform new development for an enterprise portal application, focusing on secure single-sign on capabilities and APIs in an agile environment with daily stand-ups.

Lead the development of an AI-powered AML platform, guiding a team in best practices, architecture, and delivering high-quality software solutions using Java and React.