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ZipRecruiter

Senior Full-Stack Engineer - Web

ZipRecruiter, New York, New York, United States

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Job DescriptionJob 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- 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 scale

What 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 style

Bonus 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 platforms

Why 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 perks

What 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 :

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

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