Front-End Engineer

Jackalope Digital LLC; Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Stock Options

Pension (Aviva)

Health Insurance

Parental Leave

Free meals

Cycle-to-Work

Education budget

Paid leave 25 days

Flexible hybrid work

Team events

Job summary

Smarkets is seeking a Front-End Engineer to design, develop, and maintain user-facing interfaces for web and mobile. You will collaborate with engineering managers, product managers, and designers to deliver high-performing experiences aligned with the product roadmap.

We build with Next.js, React, and TypeScript, with React Native for mobile and a Redux/React Query state, communicating in real-time via WebSockets and REST APIs. Hybrid work model and strong emphasis on UX.

Qualifications

• 4+ years of experience as a software engineer with strong front-end focus.
• Proficient in TypeScript and React.
• Experience collaborating with Designers and Product Managers.
• Familiar with DevOps tools, GitLab and Kubernetes.
• Understanding of distributed systems in a modern cloud environment.
• Experience profiling front-end performance.
• Familiar with Figma and design-to-code workflows.
• Excellent written and spoken English.
• Ability to collaborate across cross-functional teams.
• Proficiency with AI-driven development tools to accelerate coding, debugging, and documentation.

Responsibilities

• Design, implement, and maintain complex FE features for web and mobile (iOS & Android).
• Collaborate with Product, Design, and Engineering teams to scope and deliver goals.
• Translate designs from Figma into polished, pixel-perfect interfaces.
• Implement monitoring and error tracking for stability and performance.
• Contribute to code quality through tests and reviews.
• Improve engineering processes, including CI/CD.
• Lead by example in implementing best practices across the stack.

Skills

TypeScript

React

English

Design collaboration

AI-assisted development

React Native

Redux

React Query

Tools

Next.js

React Native

GitLab

Kubernetes

Job description

Who are we?

Smarkets runs one of the world’s most sophisticated prediction markets, handling over £29 billion in volume since 2010 and engaging 200,000+ traders globally. We’re a technology company that happens to revolutionise betting - from sports to political markets, to delivering the sharpest prices and the fairest odds.

Our stack is designed for scale, reliability, and speed: Linux, Kafka, Postgres, Kubernetes, with Python 3, C++17, and React powering our platform. We build infrastructure that institutions trust while keeping trading accessible to everyone. Our edge? We’ve thrived through every market cycle, competitor, and industry revolution.

At the heart of our success are our people. We create a high-performance environment where exceptional talent can thrive, blending deep business experience with a commercial mindset to drive strategic growth.

If you’re ready to help shape the future of prediction markets with cutting‑edge technology and a customer‑first philosophy, Smarkets is where you belong.

The Role

As a Front‑End Engineer within our Engineering org, you will play a pivotal role in designing, developing, and maintaining the user‑facing applications and interfaces that power Smarkets' products. You will collaborate closely with engineering managers, technical leadership, product managers, and designers to deliver intuitive, high-performing web and mobile experiences aligned with the Smarkets product roadmap.

Smarkets is looking for talented and passionate front‑end engineers like you for an exciting opportunity to craft polished, responsive, and performant interfaces that will not only elevate the trading experience but also take Smarkets to new heights of success.

We believe in using the best tools for the job. Our web apps are built with Next.js & React, and our mobile apps with React Native, all in TypeScript. We manage state with Redux and React Query, stream real‑time trading data over WebSockets, and consume REST APIs across our services.

Responsibilities

• 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

Role Requirements

• 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

Our Values

• Push to Win: We set ambitious goals and relentlessly pursue them, always striving for excellence.

• Make Others Better: We lift each other up, share knowledge, and celebrate team success over individual achievement.

• Give a Shit: We care deeply about our work, our users, and the impact we make.

• Be a Pro: We take ownership, act with integrity, and consistently deliver to a high standard.

• Bring the Energy: We bring positivity, curiosity, and enthusiasm to everything we do, inspiring those around us.

Culture Fit:

These values define how we succeed as a team. If this isn't you, this may not be the right place. We hire people who thrive in a fast‑paced, collaborative, and ambitious environment.

Perks & Benefits

We offer a competitive salary and benefits package, alongside a dynamic, collaborative environment where your work truly makes an impact and your voice is heard. Our team is diverse, driven, and ambitious - united by a strong work ethic and a hunger to innovate and win.

Our benefits are designed around Health, Wealth,and Development, supporting you both professionally and personally.

These include:

• 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.

Diversity & Inclusion

We’re an equal opportunities employer and celebrate diversity in all its forms. If you need any adjustments during the recruitment process, please let us know — we’re happy to accommodate your needs.