Top Java Developer Jobs

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.

The Entry Level Java Developer will assist in application development, perform unit testing, document technical actions, and communicate updates on projects.

The Backend Java Developer Lead Analyst leads application systems analysis and programming, integrating functions and resolving high-impact problems to meet goals while ensuring adherence to architecture principles.

Lead design and development of low-latency, high-performance Java microservices for electronic equities trading. Implement complex trading logic, optimize performance, conduct design reviews, partner with product and quant teams, improve testing and CI/CD pipelines, and maintain monitoring, reconciliation, and recovery capabilities while ensuring regulatory and operational risk controls.

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.

Design, develop, troubleshoot, and debug software for databases, applications, tools, and networks using C++ and Java. Contribute to software architecture changes, work on mission-critical large-scale systems, and implement concurrent and parallel distributed algorithms in cloud environments while providing strong troubleshooting for distributed systems.

Lead a team to design and deliver cloud-native, full-stack microservice solutions using Go/Java and AWS. Mentor engineers, collaborate with product managers, ensure regulatory-compliant systems, and adopt modern tooling like containers and orchestration.

Develop and maintain Java-based trading tools embedded on the trading floor. Collaborate with traders, quants, and product developers to build portfolio pricing and risk analysis systems, prioritize stability and maintainability, and iterate on revenue- and risk-focused features.

Develop, test, and maintain complex front-end software components; translate requirements into working software; participate in design, code reviews, Agile teams, and troubleshooting; mentor junior staff and ensure accessibility and engineering best practices.

Lead technical design and development of software solutions, mentor engineers, review code, design and support APIs, develop front-end with Angular, work with Java/Spring and Oracle, apply containerization (OpenShift/Kubernetes), and operate within Agile/Scrum practices.

Lead design and implementation of backend, microservices, and event-driven solutions using Java, Spring Boot, and Kafka. Serve as technical lead for distributed teams, establish engineering standards, drive architecture and code reviews, mentor engineers, manage Agile delivery, troubleshoot production issues, and collaborate with stakeholders to deliver scalable, resilient solutions.

Lead and mentor a team building cloud-native, low-latency microservices and full-stack systems using Java/Go/AWS/Angular. Drive technical modernization, collaborate with product managers, ensure regulatory compliance, and occasionally code or evaluate implementations.

Responsible for software development, testing, and support in a diverse team, leveraging modern technologies to enhance financial indices services.

Develop backend services for AI applications, focusing on software design, documentation, and code reviews. Requires proficiency in Scala and cloud environments.

Lead architecture and implementation of device provisioning and lifecycle management services on GCP. Own APIs, scale Postgres/AlloyDB databases, integrate AI/LLM workflows (Anthropic Claude) for automation, mentor engineers, improve pipelines and tooling, and ensure high-availability, fault-tolerant designs.

Design, build, and maintain enterprise-grade full-stack financial applications. Develop front-end and back-end components, APIs, automated tests, and reusable UI components. Collaborate with product, UX, and cross-functional teams, optimize performance and scalability, support production releases, and mentor junior engineers.

Design, build, and maintain full-stack, cloud-native financial applications. Develop front-end and back-end components, REST/GraphQL services, reusable UI, automated tests, and optimize for performance. Collaborate with product, UX, and engineering teams in Agile, mentor new hires, and support production, releases, and infrastructure upgrades.

Senior full-stack developer responsible for designing and implementing Java/Spring back-end APIs, React/TypeScript front-ends, and normalized PostgreSQL schemas. Duties include data migration, CI/CD and deployments, ensuring security and 508 accessibility, supporting lifecycle phases, and using AWS, Keycloak, Kubernetes, Docker, and Atlassian tools. Requires strong documentation, Agile experience, and 7+ years of experience.

Develop and maintain highly available, distributed, high-throughput Java backend systems using Spring and microservices. Perform performance tuning, JVM and memory profiling, implement automated tests, use Splunk for monitoring, and work with source control and CI/CD tools. Collaborate across teams and follow Agile SDLC practices.

Design, develop, debug and maintain Java/Spring full-stack applications and microservices. Build REST APIs, use containers (Docker/Kubernetes), NoSQL, Kafka, CI/CD and DevOps practices. Mentor team members, apply OOP/design patterns, solve complex problems, and support automation and mainframe integrations as needed.

Responsible for developing enterprise applications using Java and Angular/React, ensuring software aligns with architecture standards and meets business needs, and supporting performance engineering.

Lead engineering delivery for the Trade Manager Zone platform, overseeing software development, AI integration, and team management while ensuring high-performance and scalable systems.

Lead the Apps Development team for the Trade Manager Zone platform, focusing on high-performance settlement systems and integrating AI/ML capabilities.

Develop and maintain scalable backend systems using Java and Spring Boot; design microservices; collaborate with customer teams; improve performance, reliability, and security; participate in code reviews; document solutions; troubleshoot and optimize backend systems.