Front-End Engineer

Smarkets

Front-End Engineer designing and maintaining user-facing applications for Smarkets' prediction market platform. Bringing technical expertise in TypeScript, React, and collaboration with cross-functional teams.

Posted 7/6/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AndroidCloudDistributed SystemsiOSJavaScriptKubernetesNext.jsReactReact NativeReduxTypeScript

About the role

Key responsibilities & impact

Design, implement and maintain complex features and interfaces across web and mobile (iOS & Android), built with React, React Native and TypeScript
Work closely with Product, Design and other engineering teams to scope and lead business goal-aligned projects
Translate designs and prototypes from Figma into polished, functional and pixel-perfect interfaces
Implement monitoring and error tracking to ensure the stability and performance of our user-facing applications
Help reinforce the standard for code quality, by writing tests and reviewing merge requests
Continuously improve engineering processes including CI/CD
Be the champion of the stack by demonstrating first-hand how to implement functionality the right way, with an eye to the horizon and your mind on the present

Requirements

What you’ll need

4+ years of experience as a software engineer, with a strong focus on front-end development
Strong proficiency in TypeScript and React
A track record of collaborating closely with Designers and Product Managers
Familiarity with DevOps tools and practices, including GitLab and Kubernetes
A solid understanding of distributed systems in a modern cloud environment
Experience profiling front-end performance to identify and resolve bottlenecks
Familiarity with Figma and Design-to-Code workflows
Excellent written and spoken communication skills in English
The ability to collaborate effectively across cross-functional teams
Proficiency with AI-driven development tools to accelerate coding, debugging, and documentation
Nice to have: Hands-on experience with Next.js and React Native, Experience with state management tools such as Redux or React Query, Experience in the Sports Betting or Finance industries, Experience writing and maintaining end-to-end tests (Maestro, Playwright), A user-centric mindset and a genuine interest in UX

Benefits

Comp & perks

Stock Options: Vest over 4 years - your success is our success.
Pension Scheme: Competitive plan via Aviva, with up to 6% matched contributions if you opt in.
Health Insurance: Comprehensive coverage to keep you and your family healthy.
Enhanced Parental Leave: Enhanced maternity and paternity leave to support you through life’s most important moments.
Stay Fuelled: Enjoy fresh, chef-made breakfast and lunch every day, plus a constant supply of fruit, snacks, tea, coffee and soft drinks — because great work starts with great food.
Cycle-to-Work Scheme: Support for sustainable commuting and staying active.
Learning & Development: £1,000 annual education budget for courses, conferences, books, or training.
Holiday: 25 days paid leave + bank holidays, with the option to carry over 5 days.
Flexible Working: Hybrid model with 3 days in the office and 2 days from home to fit your lifestyle.
Team Energy: Regular socials, hackathons, and events — because collaboration and fun go hand-in-hand.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Front-End DevelopmentTypeScriptReactReact NativeNext.jsReduxReact QueryEnd-to-End TestingDistributed SystemsAI-Driven Development Tools

Soft Skills

Excellent Communication SkillsCollaborationUser-Centric Mindset