Top Senior Java Developer Jobs

Leads the architecture, development, testing, deployment, and production support of scalable full-stack applications. Builds React and TypeScript frontends, backend APIs and microservices, and cloud-native AWS solutions. Drives system design, observability, security, performance, CI/CD, and automated testing while mentoring engineers and guiding architecture and code reviews. Collaborates with product, design, architecture, and business stakeholders to deliver enterprise-grade solutions and resolve complex production issues.

Lead design, development, and integration of backend systems for a large-scale video streaming platform. Build Java-based APIs and microservices, manage data and recommendation pipelines, handle video ingestion and metadata workflows, deploy services on cloud and Kubernetes, ensure performance, reliability, and test automation, and collaborate with product and operations teams to deliver scalable streaming solutions.

Design, build, and maintain scalable Java backend and microservices systems using Spring Boot. Develop and optimize Apache Spark data pipelines, databases, and secure REST APIs. Lead code reviews, enforce engineering standards, mentor developers, and collaborate with frontend, product, and DevOps teams. The role also involves performance optimization, cross-functional delivery, and ownership from concept through deployment.

Leads a team developing scalable Java software for counterparty credit risk management. Responsibilities include hands-on architecture and development, technical mentoring, code reviews, cloud-native and AI/ML adoption, project delivery, agile practices, stakeholder communication, and oversight of systems integrating trades, collateral, and market data.

Design, develop, and maintain secure, scalable Java backend services and APIs in distributed, microservices-based environments. Build event-driven processing, troubleshoot production issues, optimize performance, and support system reliability and observability. Collaborate with product, engineering, QA, and operations teams; contribute to architecture, coding standards, reviews, and Agile practices. Mentor developers and help ensure compliance with security, privacy, and industry standards while supporting global aviation customers.

Develop and operate low-latency Java connectivity platforms for equities electronic trading, including exchange and client connectivity, order management, algorithmic access, and direct market access. The role involves performance optimization, concurrency, high-throughput architecture, automated testing, monitoring, reconciliation, application recovery, stakeholder collaboration, project execution, and mentoring junior engineers.

Develop and support a mature Java court case management platform. Diagnose production issues across application, database, and integration layers; investigate ESB defects; work with XML/XSLT, JMS, SOAP, and REST services; collaborate on issue triage and documentation; and contribute to modernization from legacy Java frameworks toward Spring MVC and modern front-end technologies.

Diagnose and resolve complex production issues in a Java court case management platform. Responsibilities include debugging backend services, databases, ESB integrations, XML/XSLT transformations, JMS messaging, SOAP/REST services, and third-party e-filing systems. The engineer will collaborate on issue triage, document root-cause analyses, participate in code reviews, support legacy modernization toward Spring MVC and modern front-end frameworks, and maintain production system reliability.

Maintain and support Java-based healthcare SaaS applications across multiple customer environments. Responsibilities include bug fixes, feature delivery, refactoring, deployments, security remediation, SQL and data migrations, code reviews, configuration improvements, and production support. The role requires a generalist software engineer comfortable with Java, Angular, SQL, REST APIs, enterprise applications, and customer-facing environments.

Lead a team modernizing a core Aladdin analytics and reporting service using scalable, API-first Java solutions. Design backend systems, data models, APIs, and integrations; collaborate with engineering, product, business, and clients; and oversee production delivery. Mentor junior engineers, apply AI-native development tools, and solve large-scale data challenges involving client-server systems, inter-process communication, relational and NoSQL databases, distributed caching, and high-performance services.

Design, develop, deploy, and support scalable Java applications using Spring Boot and Microservices. Own the full software development lifecycle, diagnose complex performance and architectural issues, establish engineering standards, champion Agile delivery, manage dependencies and vendors, align stakeholders, and mentor engineers.

Develop and maintain Java applications, REST APIs, microservices, and enterprise integrations. Translate requirements into secure, scalable software; support CI/CD, Git workflows, automated testing, troubleshooting, documentation, and Agile delivery. Expand expertise in Salesforce, Tableau, Informatica, and MuleSoft while collaborating with cross-functional teams and ensuring performance, reliability, and compliance.

Lead development and testing of a scalable, geo-distributed database solution. Responsibilities include optimizing performance, concurrency, replication, sharding, data storage, networking, failure recovery, high availability, and consistency algorithms. The role involves troubleshooting distributed systems, profiling Java applications, collaborating globally, reviewing code, contributing to open source, and managing Software Engineers.

Provides senior technical leadership for Java backend development on an AWS-hosted digital platform. Designs, develops, tests, deploys, and maintains RESTful microservices and scalable applications. Leads code reviews, mentors developers, resolves complex technical issues, establishes software quality practices, and guides documentation. Collaborates on cross-functional Agile teams to deliver new functionality, using cloud services, message streaming, databases, CI/CD pipelines, and automated testing tools.

Lead and deliver secure, scalable Java-based microservice solutions; drive adoption and safe use of enterprise AI-assisted engineering tools; produce architecture and high-quality production code; improve CI/CD, data models, and system reliability while mentoring engineers and contributing to engineering communities.

Lead an agile team to design, build, and operate secure, scalable cloud-native Java microservices. Drive adoption and validation of enterprise-authorized AI-assisted engineering tools, improve automation and operational stability, evaluate vendor architectures, and mentor engineering communities while ensuring resilient, secure delivery.

Develop and maintain scalable, high-performance back-office trading applications using Java, Kotlin, Python, microservices, and event-driven architecture. Responsibilities include system design, CI/CD and DevOps adoption, secure coding, automated testing, messaging integration, cloud-native deployment, performance tuning, code reviews, technical leadership, mentoring, and production resilience for critical financial systems.

Design and build distributed backend systems for Salesforce’s agentic product setup platform. Develop a reusable agent framework, composable skill APIs, evaluation infrastructure, retrieval capabilities, and production-grade software. Establish system context and engineering standards while evaluating code for security, correctness, quality, and performance. Collaborate on AI agent, LLM, semantic search, and structured data solutions.

Design, develop, maintain, test, and optimize enterprise-grade Java applications. Collaborate with cross-functional teams throughout the software development lifecycle, integrate databases, APIs, and third-party services, conduct code reviews, troubleshoot issues, and deliver scalable, reliable, and secure solutions. The role involves Java, Spring, Hibernate/JPA, REST APIs, microservices, relational databases, Git, and potential cloud, containerization, DevOps, and energy management platform work.

Lead the design, development, customization, and modernization of Guidewire Cloud applications across PolicyCenter, ClaimCenter, and BillingCenter. Develop Gosu and Java solutions, integrations, workflows, data models, and cloud upgrades. Manage SQL databases, enforce architecture standards, perform testing and performance tuning, and support application reliability. Mentor developers, collaborate with business stakeholders, translate requirements into technical designs, and contribute to Agile/Scrum ceremonies.

Design, build, and deploy production-grade Java and Python applications with observability integrated throughout. Standardize telemetry using OpenTelemetry, leverage BigPanda and Google Cloud Observability, and develop AI/ML-enabled predictive and self-healing operations. Define SRE metrics, troubleshoot complex systems, lead automation initiatives, and provide technical guidance across engineering teams.

Design, develop, and optimize scalable Java microservices and event-driven systems using Spring Boot, Kafka, Spring Cloud, Docker, and Kubernetes. Build resilient REST APIs, improve database performance, apply concurrency and multithreading expertise, profile production services, and lead code reviews. Collaborate with product managers, architects, and engineers to deliver reliable cloud-native backend platforms for global financial services.

Leads development of secure, scalable Java backend applications within an agile banking technology team. Designs, codes, tests, troubleshoots, and reviews production software while improving automation, resilience, and operational stability. Evaluates architectures and technologies, promotes software engineering best practices, and coaches teams on AI-assisted development, responsible AI use, cloud-native technologies, continuous delivery, and secure engineering workflows.

Leads the design, development, testing, and maintenance of full-stack applications using Java, Spring, React, databases, and APIs. Owns medium- to large-scale features through production, contributes to architecture, reviews code and designs, and improves observability, performance, reliability, and resiliency. Participates in incident response and root-cause analysis while mentoring engineers and collaborating across Product, Design, QA, and engineering teams.

Develop and maintain scalable Java and Spring Boot backend applications, microservices, and RESTful APIs. Responsibilities include database integration, code reviews, performance optimization, production troubleshooting, testing, CI/CD, cloud deployment, and collaboration with product, QA, and DevOps teams.