Top Senior Java Developer Jobs

Leads a global agile team developing secure, scalable enterprise applications for commercial and investment banking. Responsibilities include Java and Spring Boot backend development, React frontend engineering, distributed and event-driven architecture, AWS cloud modernization, technical design leadership, AI-assisted engineering governance, code quality, mentoring, and platform strategy. The role drives architecture decisions, operational stability, modernization initiatives, and adoption of secure software development practices across teams.

Leads software engineering efforts within an agile team, designing, developing, troubleshooting, reviewing, and delivering secure, scalable production software. Drives adoption of AI-assisted engineering practices, automation, continuous delivery, and responsible AI standards. Provides technical leadership across AWS, Kubernetes, Java, Spring Boot, and related platforms; improves application resiliency, resolves recurring issues, evaluates architectures and vendors, and promotes modern engineering practices across communities of practice.

Leads software engineering across design, development, troubleshooting, code review, automation, and production stability. Builds secure, scalable solutions using AWS, Kubernetes, Java, Spring Boot, and other programming languages. Drives responsible adoption of AI-assisted engineering tools, establishes validation standards, evaluates architectures and vendors, automates recurring remediation, and promotes engineering best practices through communities of practice.

Leads software engineering efforts across design, development, troubleshooting, code review, automation, cloud platforms, Kubernetes, and secure production delivery. Drives adoption of AI-assisted engineering practices with validation and responsible-use standards. Evaluates architectures and vendors, improves application resiliency and operational stability, promotes automation, and leads engineering communities of practice.

Develop and maintain full-stack enterprise applications using Angular, TypeScript, Java, Node.js, Spring Boot, GraphQL, REST APIs, microservices, and AWS. Build micro frontend architectures, event-driven systems, secure authentication, infrastructure as code, and CI/CD pipelines. Monitor and support production systems, troubleshoot incidents, improve reliability and security, and contribute to architecture and technical design. Mentor engineers and promote engineering best practices.

Lead development of scalable platform software supporting BlackRock’s Aladdin investment operating system. Responsibilities include building Java systems, CI/CD pipelines, container platforms, distributed services, data and messaging capabilities, and highly available applications. The role provides technical leadership, manages project priorities, applies test-driven and Agile practices, supports production operations, collaborates on roadmaps, and contributes to recruiting and team culture.

Design, develop, test, and maintain scalable cloud-native applications using Java, Spring, Azure, APIs, microservices, databases, and event-driven architectures. Build deployment pipelines, improve application security and reliability, troubleshoot production issues, and apply engineering best practices. Collaborate with architects and cross-functional teams, contribute to technical design, mentor engineers, and use AI-assisted tools to improve development productivity. Some projects may involve Python and Databricks.

Develop and maintain scalable cloud-native applications using Angular, JavaScript, Java, Spring Boot, Azure, and container technologies. Responsibilities include building responsive front-end components, deploying applications through Azure Container Apps, managing GitHub Actions CI/CD pipelines, conducting code reviews, troubleshooting production issues, and collaborating with UX and backend teams. The role also uses AI-assisted development tools and may involve Python and Databricks.

Leads the architecture and hands-on development of Citi’s credit risk monitoring systems. Designs scalable Java and Spring Boot microservices, integrates AI-assisted engineering tools, establishes technical roadmaps, conducts architectural reviews, mentors teams, and optimizes system performance, resilience, security, and compliance. The role requires more than 50% coding involvement and deep expertise in financial services risk domains, cloud platforms, distributed systems, databases, DevOps, and automated testing.

Designs, develops, and supports scalable Java microservices, APIs, and cloud-based applications. Responsibilities include building REST and SOAP integrations, managing CI/CD pipelines, supporting cloud deployments, collaborating on full-stack solutions, debugging systems, and improving performance and reliability. The role requires expertise in Java, Spring Boot, microservices, databases, cloud platforms, DevOps tools, Kafka, Python, and software testing.

Design, build, and optimize high-performance, low-latency Java services and protocols for exchange and matching-engine systems. The role includes modeling orders and accounts, developing automated testing and benchmarking strategies, profiling performance, diagnosing production issues, collaborating with clients and internal engineering teams, and supporting deployments. After six months, the engineer will independently own technical workstreams through production readiness while delivering observable, maintainable systems and communicating technical trade-offs effectively.

Develop and maintain enterprise-grade web applications and distributed systems using Java, Spring Boot, microservices, React, and cloud platforms. Responsibilities include translating requirements into technical designs, writing production-quality code, designing RESTful APIs, managing databases, deploying cloud-native services, implementing CI/CD, troubleshooting, and collaborating with product, architecture, DevOps, and engineering teams in an Agile environment.

Develop and customize PTC Windchill using Java, PTC APIs, and customization frameworks. Build services, listeners, processors, and client-side customizations while maintaining performance and upgrade compatibility. Work with Windchill data models, workflows, lifecycle management, TAM, SQL databases, and platform upgrades. Collaborate with product, design, engineering, operations, and business stakeholders, troubleshoot production issues, conduct code and design reviews, document solutions, and mentor junior engineers.

Lead backend architecture and implementation for Citi's FX eCommerce trading platform. Build high-performance, multithreaded Java services, integrate with product teams, resolve complex system issues, coach mid-level developers, and ensure resilient, low-latency, production-ready solutions that meet regulatory and risk standards.

Design, develop, deploy, and maintain enterprise-grade full-stack applications and distributed systems. Build Java and Spring Boot backends, React frontends, RESTful APIs, microservices, cloud-native services, and relational database solutions. Collaborate with product, architecture, DevOps, and engineering teams in an Agile environment while supporting CI/CD, observability, troubleshooting, security, and production operations.

Develop and maintain advanced Windchill Java customizations using PTC APIs, services, listeners, workflows, JSP, TAM, queues, and background processes. Optimize performance, support upgrades and migrations, troubleshoot production issues, document solutions, conduct code reviews, collaborate with stakeholders, and mentor engineers. The role requires strong Java, Windchill internals, SQL, and enterprise platform engineering expertise.

Develop and support secure, scalable compliance and regulatory technology platforms at Barclays. Responsibilities include Java application development, RESTful microservices, testing, containerized deployments, production support, performance optimization, and continuous improvement. The role requires collaboration across business and technology teams, secure coding, code reviews, risk management, and technical leadership. Preferred experience includes AWS, Python, AI-driven automation, and Agile delivery using Scrum or Kanban.

Build and operate scalable document intelligence services for Elsevier’s scientific publishing platform. Develop cloud-hosted distributed systems using Java, Python, AWS, Kafka, microservices, data-processing workflows, and AI capabilities. Responsibilities include architecture, implementation, deployment, observability, operational support, continuous improvement, stakeholder collaboration, Agile delivery, mentoring, and transforming unstructured manuscripts into structured data through metadata extraction, enrichment, and entity recognition.

Develop and deploy scalable document intelligence services that transform scientific manuscripts into structured data using distributed systems, microservices, event-driven architecture, AWS, data science, and AI/LLM capabilities. Responsibilities include architecture, implementation, deployment, observability, operational support, continuous improvement, stakeholder collaboration, Agile and DevOps practices, mentoring, and improving automated content processing and editorial experiences.

Own technical delivery and direction for a software product or service area. Design and build maintainable Java applications, lead architecture and code reviews, develop automated tests, resolve system issues, and maintain technical roadmaps. Mentor engineers, remove delivery blockers, collaborate with product and architecture partners, and guide prototypes, user stories, and engineering practices. The role emphasizes system-level problem solving, performance, quality, and continuous delivery.

Design, build, and operate high-performance, cloud-native distributed services supporting machine learning and data platforms. Lead Java and Spring Boot development, AWS architecture, infrastructure as code, observability, reliability improvements, and production troubleshooting. Translate ambiguous requirements into robust service designs, influence engineering standards, lead technical reviews, mentor engineers, and promote responsible AI-assisted development practices.

Develop and maintain Java-based distributed applications for Citi’s reference data platform. Responsibilities include systems analysis, software design, TDD, Spring and microservices development, SQL and stored procedure work, Linux application support, troubleshooting, and full software lifecycle participation. The role involves collaborating with global teams and stakeholders, delivering projects using agile practices, and enhancing platform stability and scalability. Experience with messaging, caching, cloud, containers, Kubernetes, and modern web technologies is beneficial.

Develop and maintain Java and SQL applications for Citi’s reference data platform. Responsibilities include systems analysis, software design, coding, testing, deployment, troubleshooting, database development, and platform enhancement. The role requires collaboration with global teams and stakeholders while applying Spring, microservices, TDD, agile practices, Linux, messaging, and caching technologies. The engineer will support application reliability, scalability, and continuous improvement across the software development lifecycle.

Develop and maintain Java-based applications for Citi’s Cross Functional Reference Data Foundation platform. Responsibilities include systems analysis, Java development with Spring and microservices, SQL and stored procedure development, Linux application support, testing, deployment, and collaboration with global teams. The role follows agile methodologies and contributes to platform stability, scalability, and continuous improvement. Experience with messaging, caching, cloud platforms, containers, Kubernetes, and modern web technologies is beneficial.

Leads backend software engineering for Asset and Wealth Management systems. Develops secure Java and Python services, designs AWS cloud-native architectures, builds Kafka-based distributed systems, and establishes CI/CD and testing practices. Provides technical guidance, reviews code, drives SDLC automation and responsible AI-assisted engineering adoption, and advises on governance, security, resiliency, and compliance in a regulated environment.