Backend Engineer

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Do Your Life's Best Work

If modern wellbeing were redesigned from scratch, it wouldn't live in a GP's office or a cluttered supplement aisle. It would be digital-first, beautifully curated, and powered by data that actually helps you feel your best.

Build the Future of Wellbeing

Do Your Life's Best Work

If modern wellbeing were redesigned from scratch, it wouldn't live in a GP's office or a cluttered supplement aisle. It would be digital-first, beautifully curated, and powered by data that actually helps you feel your best.

That's what we're building at Healf—an ecommerce platform at the intersection of personalised health and curated wellbeing. We connect customers with the world's most effective products across EAT MOVE MIND and SLEEP, and we're just getting started.

We combine culture-shaping storytelling, cutting-edge health tech (like our new blood testing platform, Healf Zone), and a best-in-class product experience to help people build rituals that work.

Backed by investors behind Soho House, Alo Yoga, Cult Beauty, and Innocent, we're scaling fast—and redefining how the world shops and lives well.

The Role

We're looking for a sharp and experienced Full-Stack Engineer who leans back-end and thrives in fast-paced, high-ownership environments. In this role, you'll take the lead on building secure, scalable APIs and real-time integrations that power our core product. You'll own critical infrastructure, shape API design in collaboration with front-end teams, and ensure production systems run smoothly. If you love writing clean, efficient code and solving technical challenges across the stack—especially in Node.js and TypeScript—this is for you.

Location: Remote — Open to candidates based anywhere in the world.

Key Responsibilities

• Design, build, and maintain secure REST & GraphQL APIs that power web, mobile, and partner integrations.
• Implement authentication and authorisation flows (OAuth2.0, OpenID Connect, JWT) plus role‑based access controls.
• Own CI/CD pipelines (GitHubActions or similar): automated tests, static analysis, container builds, multi‑env deploys.
• Create background workers, cron jobs, and real‑time webhooks that sync data with third‑party SaaS.
• Monitor, debug, and tune production services using CloudWatch, Posthog, Vercel and structured logging.
• Collaborate with front‑end engineers to define API contracts and deploy them to production.
  
  

Qualifications

• 4+years building production back ends in Node.js/TypeScript, ideally using NextJS, including ownership of at least one CI/CD pipeline.
• Deep knowledge of relational databases (Postgres or MySQL), migrations, query optimisation, and caching (Redis).
• Experience with modern web tools like Vercel(NextJS), Sentry, Supabase etc
• Comfort with containerisation and cloud‑native patterns (Docker, AWS Lambda/ECS/Fargate).
• Experience integrating external APIs and maintaining robust webhook/event systems.
• Strong testing culture (unit, integration, contract testing) and commitment to secure coding standards.
  
  

Nice to Have

• Exposure to Shopify Admin API or other e‑commerce platforms.
• Infrastructure‑as‑code with Terraform or AWS CDK.
• Experience with Content Management Solutions
• Familiarity with event streaming (SNS/SQS, Kafka) and data pipelines
  
  

Why Join Healf?

• Do your life's best work – Build something that matters, with a team that moves fast and aims high
• Surround yourself with A+ talent – You'll work with high-performers who care deeply and raise the standard every day
• Be a builder – This isn't a cog-in-the-machine role. You'll help shape our voice, culture, and growth
• Wellbeing is the lifestyle – From office yoga to Healf Zone insights, everything we do is rooted in our pillars: EAT MOVE MIND SLEEP

Seniority level

• Seniority levelMid-Senior level

Employment type

• Employment typeFull-time

Job function

• Job functionEngineering and Information Technology
• IndustriesRetail

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