Firemind
Senior Product Full-Stack Engineer (Full-time or Freelance)
FiremindFinland21 hours ago
Full-timeRemote FriendlyInformation Technology
Job Description

Help build the next generation of GenAI products from the ground up. 

We're looking for a Senior Full-Stack Engineer to join our growing product engineering team. You'll work on Pulse, our flagship AI platform, and help turn ambitious ideas into scalable, production-grade software that delivers real-world value. 

This is a hands-on role where you'll collaborate closely with product, design, and AI engineers to build robust frontends and scalable backends that power intelligent, cloud-native applications. You'll help implement new features, improve performance, and ensure the quality of our codebase and delivery practices. 

Whether you're looking for a full-time position or a long-term freelance engagement, we'd love to hear from experienced engineers with a product mindset and passion for building things that matter. 

Job Requirements

What We're Looking For?

✔️ 6+ years of experience in full-stack development, ideally with SaaS or data-heavy products
✔️ Strong skills in JavaScript/TypeScript, React, and Node.js
✔️ Solid experience with Python and cloud-native backend systems
✔️ Familiarity with AWS services like Lambda, ECS, DynamoDB, and S3
✔️ Understanding of CI/CD pipelines, containers, and infrastructure-as-code (Terraform or CloudFormation)
✔️ A product mindset - you care about usability, performance, and maintainability
✔️ Comfortable working in agile, fast-moving environments
✔️ Great communicator and proactive team player 

Our Stack:

  • Frontend: JavaScript, React, TypeScript
  • Backend: Node.js, Python
  • Cloud: AWS (Lambda, ECS, DynamoDB, S3, and more)
  • Infrastructure: Terraform, CloudFormation
  • CI/CD: GitHub Actions, Docker-based pipelines

Job Responsibilities

What You'll Do
✅ Build end-to-end features across the stack using React, Node.js, and Python
✅ Collaborate with product managers, designers, and AI engineers to shape and deliver new functionality
✅ Contribute to architecture discussions, code reviews, and technical decisions
✅ Develop scalable APIs and intuitive UIs for our GenAI platform
✅ Support CI/CD practices, testing, and DevOps alongside the team
✅ Help ensure our platform is reliable, secure, and user-focused
✅ Grow within a flat, remote-friendly team where your input matters 

Job Benefits

Why Join Firemind?

🔥 Work on cutting-edge, production-ready AI solutions
🌍 Remote-first culture with team hubs in Finland and the UK
🚀 Be part of a fast-moving, low-bureaucracy team
🤝 Backed by deep AWS partnerships and access to modern cloud tools
🧠 Learn and grow alongside experienced engineers and AI experts
🔄 Freelancers: Flexible terms with potential for longer-term engagement 

Key Skills

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