Senior Full-Stack Engineer

Position : Senior Full-Stack Engineer(Python / React.js)

Location : Remote (EU-based)

We’re looking for a Senior Full-Stack Engineer who thrives on building products end-to-end.

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)

Tech Stack

Frontend : React + TypeScript (Redux, Material-UI, Vite)

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

Requirements

6+ 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

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