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From the employer's careers site First seen 27 Oct 2026 · Still live on 31 Oct 2026

Senior Frontend Engineer – Workspace Engineering

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

We are seeking an experienced Senior Frontend Engineer to join our Workspace Engineering team. This role is responsible for designing, building, and optimising high-performance, customer-facing applications for the LSEG Workspace platform.

Key Responsibilities:

  • Design and implement high-quality, scalable frontend applications using JavaScript, TypeScript, and modern frameworks.
  • Deliver features end-to-end, including requirements analysis, technical design, implementation, testing, and deployment.
  • Contribute to architectural decisions and frontend modernisation initiatives.
  • Maintain high coding standards through code reviews, testing practices, and development automation.
  • Work with Product and UX teams to translate business requirements into technical solutions.
  • Collaborate with backend, QA, and DevOps teams to ensure seamless integration and reliable delivery.
  • Communicate technical decisions, trade-offs, and progress clearly to stakeholders.
  • Contribute to improving reliability, performance, observability, and scalability across applications.
  • Diagnose and resolve complex technical issues.
  • Support enhancements in tools, processes, and engineering best practices.
  • Mentor junior and mid-level engineers, helping to grow technical capability within the team.
  • Participate in technical hiring and team development activities.
  • Promote knowledge sharing and engineering excellence across the Workspace organisation.

Minimum Requirements:

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
  • Expert proficiency in JavaScript, TypeScript, and modern frontend frameworks.
  • Experience with full-stack development (any modern backend framework or language).
  • Proven experience delivering complex software products in Agile environments.
  • Strong understanding of web performance, UI architecture, and accessibility.
  • Excellent problem-solving and debugging abilities.
  • Strong communication skills, with the ability to work collaboratively with senior stakeholders.
  • Experience working with distributed and cross-functional engineering teams.

Preferred Skills:

  • Experience with major cloud platforms (AWS, Azure, or GCP).
  • Familiarity with CI/CD pipelines, observability tooling, and cloud-native architecture.
  • Experience building large-scale, data-rich or real-time applications.
  • Strong understanding of design systems and component-driven development.
  • High emotional intelligence and strong collaboration skills.

Benefits:

  • LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.

Skills

Required

  • JavaScript
  • TypeScript
  • frontend frameworks
  • full-stack development
  • Agile environments
  • web performance
  • UI architecture
  • accessibility

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/ROU-Bucharest-Iuliu-Maniu-Boulevard/Senior-Frontend-Engineer_R0117021-1

Apply on London Stock Exchange Group (LSEG)