{"schemaVersion":"jobsearcher.job.v1","id":"0614e237dae41a33053d0e90","url":"https://jobsearcher.com/jobs/0614e237dae41a33053d0e90","canonicalUrl":"https://jobsearcher.com/jobs/0614e237dae41a33053d0e90","title":"Full-Stack Developer","description":"Build, ship, and maintain modern web apps end to end. Turn clear requirements into reliable features with measurable impact. Write clean, tested code, own deployments, and improve performance and cost over time.Location: United States or Türkiye only. We do not hire outside these countries.What you'll deliver in your first 90 daysShip 3+ user-facing features across one or two projects with on-time delivery ≥85%.Critical-path tests in CI (unit + API + UI) for shipped features; PR checks blocking on failures.Build-to-prod lead time ≤24 hours for your services; one-click rollback in place.Performance baselines: key pages LCP ≤2.5s, API p95 ≤300ms; error rate trending down week over week.DB migration and rollback playbook documented; monitoring and alerts wired for your services.Two ADRs documenting significant technical choices and trade-offs.ResponsibilitiesImplement front end views and interactions (React/Next.js) and back end services (Node/NestJS or .NET).Design and evolve schemas, queries, and migrations for PostgreSQL/MySQL; use Redis/Mongo where it fits.Build APIs (REST first; GraphQL where justified). Version, document, and deprecate safely.Write tests at the right levels with Jest and Playwright/Cypress; integrate into CI.Review PRs for correctness, performance, and security; keep PRs small and reversible.Instrument code with logs/metrics/traces; debug from telemetry, not hunches.Apply secure-by-default patterns: authn/z, input validation, secret handling, least privilege.Optimize performance: caching, async jobs, pagination, N+1 elimination, bundle size control.Collaborate with design, QA, and DevOps; participate in planning, demos, and retros.Document decisions and operational runbooks where others can find and use them.Requirements3+ years as a full-stack engineer at a startup or agency, shipping production software.Backend strength in Node.js (NestJS/Express) or C#/.NET; plus familiarity with one of Go, Python, or Java.SQL fluency (PostgreSQL/MySQL) and practical NoSQL use (Redis/Mongo). ORMs like Prisma, TypeORM, or Entity Framework.CI/CD with GitHub Actions or GitLab CI; Docker-based workflows.Testing mindset and practice across unit, integration, and E2E.Working knowledge of AWS or GCP fundamentals.Clear written communication. You leave code and docs better than you found them.Time-zone overlap: minimum 4 hours with Pacific Time or Türkiye time, depending on team.Based in the United States or Türkiye.Nice to haveSecurity awareness (OWASP Top 10), OAuth/OIDC, and SSO flows.Analytics basics (GA4/Mixpanel) and simple SQL for checks.Experience with marketplaces, healthtech, B2B SaaS, or embedded/IoT surfaces.LLM/AI feature integration and prompt/tooling hygiene.How we workTwo-week sprints, trunk-based development, small PRs, frequent releases.Definitions of Ready/Done and release checklists on every project.Written decisions live in the repo or Notion.Horizon Labs builds MVPs, modernizes legacy systems, and integrates complex stacks for startups and SMBs.#J-18808-Ljbffr","company":"Horizon Labs","rawCompany":"horizon labs","city":"Brooklyn","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-10-14T01:38:11.072Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full-Stack Developer","description":"Build, ship, and maintain modern web apps end to end. Turn clear requirements into reliable features with measurable impact. Write clean, tested code, own deployments, and improve performance and cost over time.Location: United States or Türkiye only. 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ORMs like Prisma, TypeORM, or Entity Framework.CI/CD with GitHub Actions or GitLab CI; Docker-based workflows.Testing mindset and practice across unit, integration, and E2E.Working knowledge of AWS or GCP fundamentals.Clear written communication. 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