Front-end Engineer

Front-end Engineer – ML/RL Platform

We are seeking an experienced Front-end Engineer to help build and evolve a web-based platform for reinforcement learning (RL) training and RLOps. You will design, implement, and optimise user-facing interfaces and front-end systems that support large-scale RL model development and deployment.

Responsibilities

• Develop scalable, reliable front-end architecture for an RL training and management platform
• Translate requirements into high-quality user interfaces and workflows
• Collaborate with designers and engineers to implement visual design within brand guidelines
• Ensure cross-browser and cross-device compatibility, resolving UI/UX issues
• Optimise performance, including load times and runtime efficiency
• Ensure accessibility compliance (e.g., WCAG)
• Identify and resolve user-facing bugs and usability issues
• Maintain clear documentation to support ongoing development and troubleshooting

Requirements

• Degree in Computer Science/Engineering or 3+ years of front-end industry experience
• Strong knowledge of HTML, CSS (Tailwind), and JavaScript/TypeScript
• Proficiency with modern front-end frameworks and tools (React, Redux, GraphQL)
• Experience integrating REST or GraphQL APIs and managing client-side data flows
• Familiarity with performance monitoring and optimisation techniques
• Strong grounding in software engineering principles and best practices
• Effective problem-solving and communication skills, with ability to work independently and collaboratively

Compensation & Benefits

• Competitive salary and stock options
• 30 days of holiday plus bank holidays
• Flexible and remote working options
• Enhanced parental leave
• £500 annual learning and development budget
• Pension scheme
• Regular team socials and quarterly gatherings
• Bike-to-Work scheme

Location: London, England, United Kingdom

Seniority level: Mid-Senior level

Employment type: Full-time