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Open nowPosted 24 days ago

Senior Software Engineer

Workable (global search)108,016 open roles

Where
London, ON, Canada
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Your applicationOpen nowSenior Software EngineerWorkable (global search) · London, ON, Canada

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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 24 days ago

Workable (global search) median: 7 days open

The posting

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. You'll work directly with product managers and stakeholders to shape requirements, not just receive them. And you'll help raise the bar for the engineers around you through mentorship and thorough code review.

You won't be handed a ticket queue. 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; it's at the table shaping it. This is a role for someone who gets energized by complexity, cares about craft, and wants their fingerprints on the architecture of a product that's changing how sports organizations operate.

Responsibilities

  • 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
  • Diagnose and resolve complex bugs across the full stack
  • Champion engineering best practices and help define how the team works at its best

Requirements

  • 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)
  • Experience designing and consuming RESTful APIs and working within a microservices architecture
  • Comfort with Git-based workflows and CI/CD practices
  • 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
  • Clear communication skills; you can translate technical tradeoffs for non-technical stakeholder
  • Nice to Have:
  • 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

Location

  • Candidate can be located in London Ontario with occasional travel to our Charlotte office.

Why Join Us?

  • Work with repeat exit founders who have successfully built and scaled startups.
  • Work with cutting-edge technology and make a direct impact on product innovation.
  • Be part of a fast-growing startup with an agile and dynamic environment.
  • Collaborate with top talent across engineering, product, and marketing teams.
  • Gain exposure to customer interactions and shape product experiences based on real-world feedback.

Benefits

  • Competitive salary and equity package.
  • Comprehensive health, dental, and vision benefits.
  • A 401(k) plan with employer matching.

Submit your resume, portfolio/GitHub profile, and a brief cover letter explaining why you're a great fit for this role. We look forward to hearing from you!

We are an equal opportunity employer. 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.

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