Senior UI Platform Engineer

Job Description

Core Platform is responsible for defining and building shared engineering foundations used across application and API teams. As part of this mandate, we aim to accelerate internal web application development and improve consistency across teams, while partnering closely with the API Platform and other development teams. We are looking for a strong frontend engineer to help build reusable foundations for internal web applications.

This role focuses on shared UI packages, application scaffolding, authentication and authorization integration, developer experience, and internal platform applications that support onboarding, access, and discovery.

New York / London / Singapore or Hong Kong

• Build reusable frontend foundations for internal web applications
• Develop and maintain shared React/Type Script packages, components, and tooling
• Create and improve starter templates, application scaffolding, and developer workflows
• Help define standards for application structure, testing, deployment, and supportability
• Partner with other engineering teams on shared concerns such as authentication, authorization, observability, and frontend/backend integration patterns
• Contribute to internal platform applications such as onboarding, access administration, and service discovery experiences
• Evaluate and maintain third‑party frontend dependencies and shared UI tooling
• Support adoption through documentation, examples, and direct collaboration with developers across technology and investment teams

• Strong professional experience with React and Type Script
• Strong understanding of modern frontend architecture and application structure
• Experience building reusable UI components, shared packages, or internal developer tooling
• Experience with routing, state/data‑fetching, and API integration in web applications
• Experience with enterprise authentication and authorization patterns
• Strong understanding of testing, build tooling, and frontend developer workflows
• Strong communication skills and practical engineering judgment

• Approximately 5+ years of relevant software engineering experience, with strong frontend depth in React and Type Script
• Experience in platform engineering, developer enablement, or building reusable internal tooling
• Experience with Vite, Next.js, or both
• Experience with UI/component libraries such as Ant Design, AG Grid, or similar
• Experience with observability tooling such as Datadog, Open Telemetry, or Grafana
• Experience with Microsoft Entra  / Azure AD or similar identity platforms
• Experience publishing and maintaining internal npm packages
• Experience building admin, control‑plane, or internal workflow UIs
• Familiarity with financial services or complex internal application environments

We are an Equal Opportunity Employer. As an employer, we believe every individual brings with them unique diversity of thought and perspectives to meaningfully enrich perspectives of Jain Global teams to drive competitive performance. We believe an inclusive environment can yield exceptional contributions. We are a global investment management firm.