Senior Full-Stack Engineer - Web

Job Description

About SweatPals

SweatPals is the community-first fitness platform that turns workouts into social adventures. Backed by a16z speedrun, Patron, Kevin Hart, and other world-class investors such as founders of Instacart and Dreamworks Animations, we connect hundreds of thousands of “Pals,” hosts, and gyms through events, memberships, and rich social features. We’re still scrappy at heart, but we’re scaling fast—and personalized, intelligent experiences are central to our next chapter.

What You’ll Do

Own end-to-end development of features across our web stack — from design to production support

Work across React (frontend) and NestJS (backend) in a TypeScript monorepo

Design and document APIs (REST and GraphQL) consumed by web and mobile clients

Build scalable systems with PostgreSQL and cloud-native patterns (AWS / GCP)

Improve developer experience and system reliability through better tooling, observability, and CI/CD

Collaborate closely with product, design, and community teams to deliver features that power growth and engagement

Help shape architecture decisions and tech strategy as we scaleWhat We’re Looking For

4+ years experience building full-stack web applications in production

Strong TypeScript skills across both frontend and backend

Deep experience with React and NestJS (or similar frameworks like Express)

Solid understanding of PostgreSQL, including performance tuning and indexing

Comfort with cloud environments (AWS, GCP, or Azure) – provisioning, permissions, automation

Familiarity with CI/CD workflows and tooling

Experience owning and shipping features end-to-end in a startup or fast-moving environment

Clear, collaborative communication styleBonus Points

Experience with monorepos (e.g., Turborepo, Nx)

Familiarity with job queues, background workers, or async systems

Understanding of observability tools (logs, metrics, tracing)

Interest in community, fitness, or creator platformsWhy Join Us

Shape the future of a fast-growing consumer + host platform

Work with a mission-driven, fun, and scrappy team that loves shipping

Competitive salary, early-stage equity, and wellness perksWhat Makes SweatPals Special

Real impact: You’ll shape how people find belonging through movement.

Top-tier investors & teammates: Backed by a16z speedrun, Kevin Hart, and more—but still small enough that you’ll directly shape the future.

Great perks: Competitive salary, equity, wellness stipend, unlimited event credits on SweatPals.Our Values

Celebrate Diversity: We embrace different backgrounds, opinions, and ways of thinking. We don’t just welcome disagreement—we believe it makes the product better.

Be a Leader: We take initiative, speak up, and drive things forward—no matter your title. Leadership is a mindset, not a level.

Roll Up Our Sleeves: We do what it takes. No job is too small when we’re building something big.

Embrace Adventure: We stay curious, push boundaries, and see challenges as opportunities. Startups are a rollercoaster—and we’re here for the ride.

Ready to build the product the fitness world’s been waiting for?

Compensation Range: $140K - $220K

Full-time