Posted at: 23 April

Senior Backend Developer (Node, Typescript) - Full-time - EU

Company

Arc.dev

Arc.dev is a freelance platform that only connects developers who pass their vetting process. NOTE: Jobs posted by Arc.dev are freelance opportunities provided by their clients, and you will likely communicate with Arc.dev when applying for a job.

Remote Hiring Policy:

Arc.dev is a fully remote freelance platform.

Job Type

Contract

Allowed Applicant Locations

United Kingdom, Europe

Apply Here

Job Description

About the Role

As our Senior Backend Developer, you will take full responsibility for architecting, developing, and optimizing our systems. You’ll work closely with the founding team to ensure scalability, performance, and reliability while integrating AI automation into our workflows.

Responsibilities

✅ Own the fullstack development – from system architecture to deployment and maintenance
✅ Design, build, and optimize APIs to support frontend and external integrations
✅ Implement AI-driven automation to enhance product functionality
✅ Ensure performance and scalability by optimizing database queries and backend processes
✅ Work collaboratively with the frontend team to build seamless user experiences
✅ Monitor, troubleshoot, and improve reliability using modern observability tools
✅ Lead technical decisions and establish best practices for the development infrastructure
✅ Stay ahead of trends in AI automation, fullstack frameworks, and system architecture

Requirements

✔️ 4-7 years of experience in fullstack development (Backend focus), preferably in a leadership role
✔️ Proficiency in our tech stack:
Backend: TypeScript, Node.js, Fastify
Frontend: TypeScript, React, Remix, Next.js, Tailwind CSS, shadcn/ui
Database: PostgreSQL (Supabase)
Background Tasks: Trigger.dev
Deployment & Hosting: Vercel, Fly.io, Docker
Monitoring & Error Tracking: Sentry
✔️ Experience integrating AI automation into products (Nice to have)
✔️ Strong understanding of API design and database optimization
✔️ Ability to take full ownership of development and lead technical initiatives
✔️ Self-motivated and able to work independently while collaborating with a team

Nice to Have

🔹 Previous experience working in fast-paced startups
🔹 Knowledge of DevOps practices and CI/CD pipelines

What We Offer

🚀 A chance to lead and build something impactful – your work will directly shape the product
📍 Flexibility – remote or hybrid work options
🎯 Autonomy – the freedom to implement your ideas and make key technical decisions
💡 Innovative environment – work on cutting-edge AI automation and modern tech stacks

We’re hiring on a rolling basis, so don’t wait – send your application now!
Got a GitHub, portfolio, or examples of your past work? We’d love to see them!
Looking forward to hearing from you! 🚀

Apply Here