JavaScript Jobs

Senior Front-End Developer joining a greenfield program to modernize Citi's electronic FX Options trading platform. Lead the design and implementation of high-performance, real-time web UIs using React and TypeScript, including RFQ workflows, streaming pricing displays, and volatility surface tooling. Collaborate closely with developers, quants and traders, drive engineering excellence (CI/CD, testing, telemetry) and mentor other engineers. Role is hybrid based in London with a focus on scalable, low-latency front-end architecture.

Senior developer for Client Onboarding and Regulatory Platform focused on designing, developing and implementing full-stack applications for CRM and data analytics. Role emphasizes frontend technologies (Angular, JavaScript, TypeScript, HTML, CSS) with Java and enterprise integration patterns as complementary skills. You'll work with global teams on enterprise-scale, cloud-focused architectures within Institutional Securities Technology to support onboarding, regulatory and post-trade processes. Ownership of development streams, estimation, planning and introducing new technologies is expected.

Senior UI developer for the Client Onboarding and Regulatory platform building and enhancing reporting UI solutions. Work closely with business users to gather requirements, produce prototypes and technical designs, and implement front-end features using JavaScript/TypeScript and React while integrating with Java-based backend services and REST APIs. Provide L3 production support and contribute to backend service work as needed. Strong skills in responsive design, testing (e.g. Jest), build tools (e.g. Webpack), debugging and team collaboration are required.

Senior frontend engineering leader responsible for architecting and delivering scalable, resilient React-based UI platforms for JPMorgan Chase's Digital Platforms Team. You will drive performance engineering, enforce code quality and accessibility, and build reusable component libraries and design systems. The role requires cross-functional leadership and mentoring, translating product and UX needs into technical roadmaps while using observability and data to guide decisions.

Lead front-end engineer role on JPMorgan Chase's Consumer and Community Bank Digital Technology team, responsible for designing, developing, and delivering high-quality React/TypeScript web applications. Acts as a core technical contributor—writing and reviewing code, ensuring testing and operational stability, and driving architecture and performance optimizations for SPA(s). Leads evaluations with vendors and internal teams, promotes best practices and communities of practice, and helps implement CI/CD, automation, and cloud-native solutions.

Senior front-end engineer role on the Risk Technology team at JPMorgan Chase, responsible for designing and delivering secure, scalable web applications. You will build production-quality React/TypeScript applications, implement state management, ensure performance, accessibility and cross-browser compatibility, and write unit and end-to-end tests. Work as a seasoned member of an agile team, contribute to architecture and design artifacts, and collaborate with design and backend teams to integrate large data sets and improve system reliability.

Engine by Starling is hiring a Frontend Engineer to build and maintain internal portals and engineering tooling used across the platform. You will deliver new configurable features, make existing features work for global banking clients, and work collaboratively in small teams owning projects end-to-end. The role values strong engineering craftsmanship, cross-team collaboration, and a willingness to learn across multiple disciplines. This is a hybrid role with an emphasis on contributing to a cloud-native, scalable SaaS banking platform.

We are seeking a Senior Associate Full-Stack Engineer to design, build and maintain web applications and services for a large financial services organization. The role requires collaborating with product, QA and operations teams to deliver scalable, secure and performant user-facing and backend systems. You will write clean, testable code, contribute to architectural decisions, and help improve development practices and CI/CD pipelines.

Associate role on the Family Office Engineering team within Asset & Wealth Management based in Bengaluru. The position focuses on frontend engineering using React, Redux, JavaScript, Webpack, CSS and HTML, with emphasis on performance optimization, refactoring, and enforcing frontend architecture. You will contribute to large, complex projects in an Agile/Scrum environment, collaborate across regions, and be expected to demonstrate strong debugging, problem-solving, communication and ownership.

Join Wise as a Graduate Software Engineer on the Engineering team starting May 2026. You will collaborate cross‑functionally to shape and build product features, create clear and high‑performing interfaces, and solve customer challenges. The role includes structured learning such as a WiseStart bootcamp, a 9‑month Engineering Academy, and a mentorship/buddy programme to accelerate your development. Candidates must be eligible to work in Singapore without visa sponsorship.