Top Java Developer Jobs

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 maintain full-stack web applications, services, and integrations using Java, Spring Boot, Node.js, TypeScript, and Angular. Build tested, secure, accessible, and reliable systems; integrate third-party platforms; troubleshoot defects and performance issues; support CI/CD, cloud deployment, monitoring, and on-call operations. Collaborate in Agile teams, participate in design and code reviews, gather requirements, document solutions, and contribute to technical debt reduction and knowledge sharing.

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.

Develop and modernize enterprise applications and microservices using Java and open-source technologies. Participate in Agile software development, requirements analysis, solution design, coding, QA, implementation, code reviews, and automated testing. Build and maintain CI/CD pipelines, conduct application and security code scans, remediate findings, and support test-driven and behavior-driven development. Collaborate with Scrum teams to enhance legacy systems and create RESTful services.

Designs, develops, tests, deploys, documents, and supports enterprise-scale Java applications in a multi-client environment. Responsibilities include Oracle E-Business Suite customizations, REST services, microservices, database development, ETL, implementation support, troubleshooting, unit testing, technical documentation, and SDLC collaboration. The role requires extensive Java, Oracle, SQL, PL/SQL, Azure DevOps, and software architecture experience, plus strong knowledge of financial modules and technical quality assurance.

Design, develop, test, deploy, and maintain scalable enterprise software using .NET, C#, Java, Spring Boot, and AWS. Build REST APIs, microservices, and event-driven applications; implement CI/CD and DevOps practices; troubleshoot production issues; optimize performance and reliability; conduct code reviews; and collaborate with architects, product owners, and engineering teams in an Agile environment.

Design, develop, deploy, and maintain enterprise-grade web applications and distributed cloud-native systems. Translate business requirements into technical designs, build production-quality Java and React applications, develop RESTful microservices, manage relational databases, and support systems throughout their operational lifecycle. Collaborate on CI/CD, cloud deployment, observability, event-driven architectures, testing, and scalable system design across multiple business domains.

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.

Leads full-stack software engineering for JPMorganChase’s Wholesale Credit Risk technology team. Designs, develops, tests, troubleshoots, and reviews secure production code; improves application resilience and operational stability; promotes responsible AI-assisted engineering practices; automates recurring remediation; and evaluates architectures and technologies with vendors and internal teams. The role requires cloud-native development, agile SDLC expertise, financial services knowledge, data architecture, modern front-end technologies, GraphQL, and API development.

Develop and maintain J2EE web applications and intranet systems, including server-side design, Java programming, user interface modules, database development, testing, documentation, and requirements analysis. The role requires troubleshooting existing applications, adapting quickly to technical and business structures, and working across the full software development lifecycle. Fluency in Korean and English is preferred, with English communication required.

Entry-level Java software developer role involving application design, development, testing, troubleshooting, debugging, database work, and participation in a formal software development lifecycle. Candidates complete 4–8 weeks of online training before joining a client for 12–24 months with ongoing support. A computer science-related bachelor’s degree, programming fundamentals, SQL knowledge, and U.S. work authorization without sponsorship are required.

Lead development of secure, scalable Java full-stack applications for mortgage technology. Design, develop, test, troubleshoot, review, and debug production code; improve operational stability through automation and remediation. Drive responsible adoption of enterprise-approved AI-assisted development tools, establish validation and security standards, coach engineers, and evaluate vendor and architectural solutions. Collaborate within agile teams using SDLC, CI/CD, resiliency, and security practices.

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.

Design, develop, and maintain backend services and APIs for an AI-native health platform. Lead technical designs, ensure engineering excellence, manage release cycles, collaborate across teams, drive operational excellence, and support production monitoring, incident triage, and deployment readiness.

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.

Leads design, development, testing, troubleshooting, and operational stability for secure full-stack software solutions. Develops Java and Scala statistical algorithms, React-based applications, microservices, REST APIs, and cloud-native services using AWS, Hadoop, Databricks, and Kubernetes. Reviews code, improves automation and resiliency, performs unit and integration testing, and promotes responsible AI-assisted engineering practices, secure coding, and compliant validation across an agile team.

Leads design, development, testing, troubleshooting, and operational support for secure Java and Spring Boot microservices. Builds scalable AWS cloud-native services, establishes API and engineering standards, improves resiliency and observability, automates recurring issue remediation, and reviews production code. Guides responsible adoption of AI-assisted engineering tools, validates AI-generated outputs, coaches engineers on secure practices, and collaborates with security, risk, and architecture partners.

Lead and contribute to an agile engineering team to design, build, test, and operate secure, scalable Java-based microservices on AWS. Provide technical direction, code development and review, drive architecture and tooling decisions, adopt enterprise AI-assisted development practices, and mentor engineers to ensure operational stability and secure coding practices.