Lead Full-Stack Engineer
OnHires.com
Office
any, any
Full Time
Position: Lead Full-Stack Engineer
Location: Remote (EU-based)
We’re looking for a Lead Full-Stack Engineer who thrives on building products end-to-end.
This role is 90% hands-on coding on a modern stack, with strong involvement in architecture decisions, product direction, and technical leadership.
About The Company
- A fast-growing European SaaS company in the subscription economy, providing technology that helps consumers choose and manage broadband, mobile, energy, gas, streaming, and financial subscriptions.
- Their platform powers real-time comparison, bill analysis, and subscription management across multiple customer platforms, serving hundreds of thousands of users monthly.
- They are now entering a new growth phase - expanding across Europe and integrating AI capabilities.
Responsibilities
Lead Development Of Core Products:
- OCR platform processing >500K utility bills
- Scalable subscription checkout systems
- High-traffic broadband coverage APIs (300K+ checks/month)
- Conversational AI agents with LLM integrations
- New data products and APIs for enterprise clients
- Take full ownership of architecture, performance, and deployment
- Collaborate directly with founders and shape product direction
- Maintain and improve existing services (performance, reliability, scalability)
- Frontend: React + TypeScript (Redux, Material-UI, Vite)
- OCR platform processing >500K utility bills
- Scalable subscription checkout systems
- High-traffic broadband coverage APIs (300K+ checks/month)
- Conversational AI agents with LLM integrations
- New data products and APIs for enterprise clients
- Take full ownership of architecture, performance, and deployment
- Collaborate directly with founders and shape product direction
- Maintain and improve existing services (performance, reliability, scalability)
- Frontend: React + TypeScript (Redux, Material-UI, Vite)
- Scalable subscription checkout systems
- High-traffic broadband coverage APIs (300K+ checks/month)
- Conversational AI agents with LLM integrations
- New data products and APIs for enterprise clients
- Take full ownership of architecture, performance, and deployment
- Collaborate directly with founders and shape product direction
- Maintain and improve existing services (performance, reliability, scalability)
- Frontend: React + TypeScript (Redux, Material-UI, Vite)
Tech Stack
- Backend: Python (Serverless Framework)
- Database: PostgreSQL (RDS), DynamoDB
- AI: LLMs via API (Claude Code, Cursor, or similar)
- Infrastructure: AWS (Lambda, API Gateway, S3, CloudFront, CloudWatch, IAM, VPC, SQS), Firebase
- 8+ years of full-stack development experience
- Strong background in React + TypeScript + Python (Serverless)
- Solid understanding of AWS architecture
- Proven experience in SaaS / B2B platforms or startups
- Backend: Python (Serverless Framework)
- Database: PostgreSQL (RDS), DynamoDB
- AI: LLMs via API (Claude Code, Cursor, or similar)
- Infrastructure: AWS (Lambda, API Gateway, S3, CloudFront, CloudWatch, IAM, VPC, SQS), Firebase
- 8+ years of full-stack development experience
- Strong background in React + TypeScript + Python (Serverless)
- Solid understanding of AWS architecture
- Proven experience in SaaS / B2B platforms or startups
Requirements
- Curiosity and drive to learn new tools and frameworks quickly
- EU-based, with the right to work in the EU
What Makes This Role Stand Out
- You’ll own the full stack - from architecture to deployment
- Small, product-driven team with direct impact on company direction
- Fast-moving environment, no bureaucracy or legacy monoliths
- Real product traction and profitability - scaling across Europe
- Unique work culture: full remote setup, optional retreats (Alps & Mediterranean), and focus on autonomy + accountability
Lead Full-Stack Engineer
Office
any, any
Full Time
October 17, 2025