As a Senior Full Stack Engineer, you'll design and ship high-performance web applications across our React/Next.js frontend and Node.js/Express backend with real autonomy. You'll make architectural calls, explain the tradeoffs behind them, and stand behind them in review. And you'll help raise the bar for the engineers around you through mentorship and thorough code review.

You'll help decide what gets built, how it gets built, and why, then own that decision end-to-end. At Fastbreak AI, engineering isn't downstream of product; Design and develop scalable, high-performance web applications using React, Next.js, and Express Own architectural decisions and be able to articulate the reasoning and tradeoffs behind them Integrate AI and LLM-powered features into production applications thoughtfully and with an eye toward reliability and user impact Collaborate with product managers and stakeholders to shape technical requirements from the ground up Champion engineering best practices and help define how the team works at its best Strong proficiency with React.js and Next.js on the frontend Solid Node.js and Express.js experience on the backend Hands-on experience with AWS services (EC2, S3, Lambda, or similar) Active use of AI coding tools (Copilot, Cursor, Claude, or similar)



as part of your day-to-day workflow A track record of making and defending architectural decisions, not just implementing them you can translate technical tradeoffs for non-technical stakeholder Experience building or integrating LLM-powered features in production (RAG pipelines, agent workflows, evaluation frameworks) Familiarity with sports tech, real-time data pipelines, or performance-sensitive consumer applications Experience with infrastructure-as-code or deployment automation Candidate can be located in London Ontario with occasional travel to our Charlotte office. Be part of a fast-growing startup with an agile and agile environment.

Gain exposure to customer interactions and shape product experiences based on real-world feedback. Competitive salary and equity package. Comprehensive health, dental, and vision benefits. Fastbreak AI complies with all applicable federal, state and local laws regarding recruitment and hiring.

All qualified applicants are considered for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, citizenship status, disability, protected veteran status, or any other category protected by applicable federal, state, or local laws. #

📌 Entry Level -Software Developer - Web Development (London)
🏢 Fastbreak AI
📍 London