Hybrid Full Stack Engineer

at The Potato Page

• Job title: Full Stack Engineer
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: No Education Requirement
• Tech skills: Flutter, MongoDB
• Location requirements: Hybrid, London, United Kingdom

About the role

• Full Stack Engineer responsible for app, web, and backend systems supporting games. Collaborating with the Senior Game Developer and utilizing AI for development efficiency.

Responsibilities

• **Role Summary**
• You’ll be the full-stack owner of our app, web and backend systems, ensuring the platforms that support our games are reliable, scalable and easy to evolve. Working closely with our Senior Game Developer, you’ll build and maintain our app, game delivery website and backend integrations, while embedding AI-accelerated workflows to ship features faster and reduce manual workload across the team.
• **What you'll be responsible for**
• App Development
• Build and maintain a polished, user-friendly companion app
• Integrate APIs, analytics, authentication and lightweight interactive elements
• Improve UX, performance and reliability over time
• Web Platform & Game Delivery
• Maintain and improve our WebGL game wrapper site
• Manage user login, redemption flows and light CMS features
• Ship new features to support game launches and promotions
• Backend & Integrations
• Maintain and extend our custom MongoDB backend
• Build simple APIs and admin functionality
• Integrate with Shopify for user and product data (read/write, not platform rebuild)
• Ensure clean, secure and pragmatic data handling
• AI-Accelerated Development
• Use AI tools daily to speed up coding, refactoring and testing
• Build reusable prompt patterns and workflows
• Reduce human workload through smart automation
• Balance speed with sound engineering judgement
• **What success looks like**
• Faster feature delivery cycles across app and web
• Reduced reliance on freelancers for routine work
• Clean, well-documented and maintainable backend integrations
• AI meaningfully reducing development time
• Strong collaboration with the Senior Game Developer
• Stable, reliable releases supporting game launches

Requirements

• **Essential**
• Strong full-stack development experience (front-end + backend)
• Experience building and maintaining production systems independently
• Flutter or similar modern front-end framework experience
• Backend experience with MongoDB and API development
• Experience integrating third-party services (e.g. Shopify)
• Confidence using AI tools to accelerate development
• Pragmatic engineering judgement - you know when “good and shipped” beats “perfect”
• **Desirable**
• Experience supporting WebGL deployments
• Experience with login/auth systems and user accounts
• E-commerce integrations
• Working in small, product-led teams
• **Working Style**
• We’re looking for someone who:
• Enjoys autonomy but works collaboratively
• Values speed, iteration and practicality
• Is comfortable supporting a technical lead rather than being the lead
• Can move between frontend polish and backend logic without friction
• Is excited about using AI to multiply impact

Benefits

• Annual Leave Entitlement (Full-time): 16 days, in addition to Bank and Public Holidays.
• We work a four-day week (we were one of the first companies to implement this and we’ve never looked back).
• Enrolment in the Employee Benefit Trust after 12 months (everyone owns a part of the Big Potato)
• Free BUPA private healthcare.
• Access to the Government Pension Scheme.
• Each year you are entitled to a £500 bonus (pro rata) to put towards your holiday.
• Free fruit, snacks, soft drinks, office wine & beers, tea & coffee.
• Discounted gym
• Free monthly yoga
• Monthly paid socials.
• Summer and Christmas Party
• Free games.
• Cycle to work scheme.
• Free eye tests.