Senior Frontend Engineer

lseg

Bucharest - Iuliu Maniu Boulevard, ROFull-time2026-10-14 → 2026-11-11

Core

Design, build, and optimise high-performance, customer-facing applications for the LSEG Workspace platform.

Role type

Senior Frontend Engineer (IC)

Builds

Strategic applications for the LSEG Workspace platform

Domain

Financial markets infrastructure

Required skills

JavaScript, TypeScript, modern frontend frameworks, full-stack development, web performance optimization, UI architecture, accessibility, problem-solving, debugging

Preferred skills

Agile environment experience, distributed team collaboration, engineering best practices

Technologies

JavaScript, TypeScript

Responsibilities

Design and implement scalable frontend applications, deliver features end-to-end, contribute to frontend modernisation, maintain coding standards and testing practices, collaborate with Product and UX teams, work with backend/QA/DevOps teams, diagnose and resolve complex technical issues, promote knowledge sharing

Seniority

Senior, hands-on IC

About lseg

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehens