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High Pay

Lead Software Engineer - Frontend Developer

LSEG (London Stock Exchange Group)Bangalore, IndiaEstimate the salary
Type

Hybrid

Location

Bangalore, India

Experience

Senior (10+ yrs)

Posted

6 months ago

Marked closed on our board — original listing may still open.

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Role Overview

🏢 About LSEG (London Stock Exchange Group)

LSEG is a leading global financial markets infrastructure and data provider. We enable businesses and economies around the world to fund innovation, manage risk, and create jobs. With a history spanning over 300 years and a presence in 65 countries, LSEG provides the stability and trust that allow our customers to pursue their ambitions with clarity.

🎯 The Role

We are seeking a Lead Software Engineer to join our Customer Identity & Access Management (CIAM) team in Bangalore. You will play a pivotal role in maintaining and evolving our JavaScript SDK—a critical interface that enables secure authentication for client applications across our global financial ecosystem.

🛠️ Tech Stack

  • Core: React, TypeScript, Modern JavaScript Ecosystem
  • Security: OAuth2, OpenID Connect (OIDC), Secure Token Service (STS)
  • Architecture: SDK Design, API Lifecycle, Library Maintenance
  • DevOps: CI/CD Pipelines, Automated Testing, Semantic Versioning
  • Platform: High-performance, Accessible, and Cross-browser Web Apps

💼 What You'll Do

  • Lead the design and maintain our core JavaScript SDK built with React and TypeScript.
  • Architect intuitive, developer-friendly APIs that simplify complex authentication flows.
  • Ensure the SDK is performant, secure, and easily integratable across various platforms.
  • Develop automated test suites and CI pipelines to ensure backward compatibility.
  • Collaborate with global teams to align identity protocols with business requirements.
  • Author clear technical documentation and reference applications for developers.

✅ What You'll Need

  • 10-15 years of professional experience in software engineering.
  • Mastery of React, TypeScript, and modern frontend development.
  • Proven track record of designing and maintaining SDKs or developer-facing libraries.
  • Deep understanding of secure authentication flows (OAuth2/OIDC).
  • Experience with automated testing and versioning strategies for distributed libraries.
  • Strong interpersonal skills and a passion for developer experience (DX).

🌟 Nice to Have

  • Experience in the financial services or high-security fintech domain.
  • Active engagement in the security or frontend open-source community.
  • Expertise in infrastructure-as-code and cloud-native deployment.

Why This Role?

This is a curated frontend role from LSEG (London Stock Exchange Group). Every listing on OnlyFrontendJobs is hand-picked for frontend relevance and quality. The tech stack leans on React, TypeScript, JavaScript. Tagged 💰 High Comp for above-market pay.

Lead Software Engineer - Frontend Developer at LSEG (London Stock Exchange Group) — FAQ

Quick answers about this role, the stack, and how to apply.