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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Lead Software Engineer - API Marketplace - **Company:** JPMorgan Chase & Co. - **Location:** Seattle, WA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Build Automation, Code Review, Continuous Delivery, Continuous Integration, Software Debugging, Apache Maven, Performance Tuning, Systems Development Life Cycle, Software Engineering, TypeScript, Private Cloud Environment, Google Cloud, Test-Driven Development (TDD), Spring Cloud, ReactJS, Spring-boot, Git, Production Code, React Redux, Restful APIs, Marketplace, Software Version Control, Jenkins, Programming Languages, Microservices - **Published:** September 1, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/27979641/Senior-Lead-Software-Engineer-Api-Marketplace-Washington-Seattle-7463 ## About the Role * Formal training or certification in software engineering concepts, with 5+ years of applied experience. * Proficiency in TypeScript and React. * Advanced skills in one or more programming languages, including Java 8+ for distributed application development, REST, microservices, and Spring Boot. * Experience developing cloud-native applications (e.g., AWS, GCP, private cloud). * Experience with modern SDLC practices such as Test Driven Development, Continuous Integration, Continuous Delivery, and Continuous Deployment. * Experience with design systems and version control systems (e.g., Git). * Experience in system design, application development, testing, and ensuring operational stability. * Proficiency in all aspects of the Software Development Life Cycle. Preferred Qualifications, Capabilities, and Skills * Familiarity with state management libraries (e.g., Zustand, Redux, Context API). * Knowledge with build automation tools such as Maven. * Knowledge configuring Continuous Integration pipelines in Jenkins. * Knowledge with frameworks like React Query. * Knowledge of performance optimization techniques and tools. ## Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products., * Provide regular technical guidance and direction to business partners, technical teams, contractors, and vendors. * Foster a culture of diversity, inclusion, opportunity, and respect within the team. * Influence peers and stakeholders to adopt innovative, leading-edge technologies. * Serve as a subject matter expert in one or more technical domains, contributing to firmwide frameworks and best practices throughout the Software Development Life Cycle (SDLC). * Develop secure, high-quality production code and review/debug code written by others. * Drive decisions that shape product design, application functionality, and technical operations. * Mentor and coach junior developers, actively participating in code reviews to promote growth and knowledge sharing. * Rapidly iterate on design and implementation, even in the face of ambiguous requirements. ## Related Videos - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [GitLab CI pipelines for a whole company](https://www.wearedevelopers.com/videos/143-gitlab-ci-pipelines-for-a-whole-company) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Our GitOps approach for deploying an Identity Provider and an API Gateway in a SaaS company](https://www.wearedevelopers.com/videos/776-our-gitops-approach-for-deploying-an-identity-provider-and-an-api-gateway-in-a-saas-company) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)