Senior Full Stack Developer (FE+BFF)
- Role
- Fullstack
- Experience
- Senior
- Company size
- Startup
The listing doesn't say where it hires from. It may hire in United States (80% confidence). This is an estimate, not an eligibility rule; verify before applying.Signals: company headquarters and employment terms.
No BS summary
Senior full-stack developer with 7+ years of commercial frontend experience. Must be strong in TypeScript, React 18, Redux Toolkit, Node.js BFF, REST/serverless APIs, SQL, testing, CI/CD, Docker, and English B1.
Core skills
Required skills
Optional skills
Required languages
About Us
At Campaignswell, we're revolutionizing marketing analytics with our AI-powered predictive platform tailored for apps, games, and e-commerce businesses. Our cutting-edge technology delivers precise lifetime value (LTV) predictions within hours, empowering clients to scale their advertising efforts confidently. By seamlessly integrating product and marketing analytics into a unified dashboard, we provide actionable insights that drive growth and profitability. Founded in 2023 and headquartered in San Francisco, our dynamic team is committed to transforming the marketing landscape through innovation and data-driven strategies.
Responsibilities
- Develop and evolve the frontend of a marketing analytics platform.
- Build and maintain BFF services in TypeScript/Deno (Supabase Edge Functions).
- Design REST API for domain entities mostly CRUD.
- Implement dashboards, charts, and cohort reports (Recharts, MUI DataGrid Pro, react-grid-layout).
- Contribute to architecture decisions (Feature-Sliced Design), participate in code review, uphold code quality standards.
Requirements
7+ years of commercial frontend development experience, with:
- Advanced TypeScript proficiency, experience working in strict mode.
- Commercial experience with React 18, Redux Toolkit.
- Strong commercial experience with Node.js (BFF).
- Startup experience.
- Experience designing and building REST/serverless APIs.
- Solid SQL skills, understanding of RLS / row-level security models.
- Experience writing tests (Vitest / React Testing Library or similar).
- Experience with CI/CD (GitLab CI and/or GitHub Actions) and Docker.
- English proficiency: B1.
Nice to Have
- Design REST/serverless APIs for integrations with ad platforms (Meta Ads, Snapchat Ads, Reddit Ads).
- Familiarity with MCP / LLM agent integrations.
- Experience with Supabase (Auth, Edge Functions, migrations).
- Experience with MUI Pro (DataGrid Pro, Date Pickers Pro), Recharts.
What We Offer
- Competitive salary + performance bonus.
- Fully remote with flexible working hours.
- Home office stipend and learning & development budget.
- Up to 21 days of flexible paid time-off per year.
- Regular team offsites and a culture that actually lives its values.
Campaignswell is an equal opportunity employer. We celebrate diversity and are committed to building an inclusive team. If you're passionate about helping brands grow through smarter data and love collaborating across disciplines to deliver impact, we’d love to hear from you!
What you'll do
- Develop and evolve the frontend of a marketing analytics platform
- Build and maintain BFF services in TypeScript/Deno using Supabase Edge Functions
- Design REST API for domain entities, mostly CRUD
- Implement dashboards, charts, and cohort reports using Recharts, MUI DataGrid Pro, and react-grid-layout
- Contribute to architecture decisions using Feature-Sliced Design
- Participate in code review and uphold code quality standards
- Develop and evolve the frontend of a marketing analytics platform.
- Build and maintain BFF services in TypeScript/Deno using Supabase Edge Functions.
- Design REST APIs for mostly CRUD domain entities.
- Implement dashboards, charts, and cohort reports using Recharts, MUI DataGrid Pro, and react-grid-layout.
- Contribute to architecture decisions using Feature-Sliced Design.
- Participate in code review.
- Uphold code quality standards.
- Design REST API for domain entities, mostly CRUD.
- Build and maintain BFF services in TypeScript/Deno (Supabase Edge Functions).
- Design REST API for domain entities mostly CRUD.
- Implement dashboards, charts, and cohort reports (Recharts, MUI DataGrid Pro, react-grid-layout).
- Contribute to architecture decisions (Feature-Sliced Design), participate in code review, uphold code quality standards.
What they require
- 7+ years of commercial frontend development experience
- Advanced TypeScript proficiency with strict mode experience
- Commercial experience with React 18 and Redux Toolkit
- Strong commercial experience with Node.js BFF
- Startup experience
- Experience designing and building REST/serverless APIs
- Solid SQL skills and understanding of RLS / row-level security models
- Experience writing tests with Vitest / React Testing Library or similar
- Experience with CI/CD using GitLab CI and/or GitHub Actions and Docker
- English proficiency: B1
- 7+ years of commercial frontend development experience.
- Advanced TypeScript proficiency, including experience working in strict mode.
- Commercial experience with React 18 and Redux Toolkit.
- Strong commercial experience with Node.js for BFF.
- Startup experience.
- Experience designing and building REST/serverless APIs.
- Solid SQL skills and understanding of RLS / row-level security models.
- Experience writing tests with Vitest / React Testing Library or similar.
- Experience with CI/CD using GitLab CI and/or GitHub Actions and Docker.
- English proficiency: B1.
- Experience with AI tools to work faster and better.
- Advanced TypeScript proficiency, experience working in strict mode.
- Solid SQL skills, understanding of RLS / row-level security models.
- Experience writing tests with Vitest, React Testing Library, or similar.
- Commercial experience with React 18, Redux Toolkit.
- Strong commercial experience with Node.js (BFF).
- Experience writing tests (Vitest / React Testing Library or similar).
- Experience with CI/CD (GitLab CI and/or GitHub Actions) and Docker.
Benefits
- Competitive salary plus performance bonus
- Fully remote with flexible working hours
- Home office stipend
- Learning and development budget
- Up to 21 days of flexible paid time off per year
- Regular team offsites
- Competitive salary.
- Performance bonus.
- Fully remote work with flexible working hours.
- Home office stipend.
- Learning and development budget.
- Up to 21 days of flexible paid time-off per year.
- 21 paid vacation days.
- Regular team offsites.
- Culture that lives its values.
- Competitive salary plus performance bonus.
- Fully remote with flexible working hours.
- Culture that actually lives its values.
- Competitive salary + performance bonus.
- Home office stipend and learning & development budget.
- Regular team offsites and a culture that actually lives its values.
Campaignswell is building an AI-powered predictive marketing analytics platform for apps, games, and e-commerce businesses, delivering lifetime value predictions and unified product and marketing analytics dashboards.