Senior Fullstack Engineer (Product)

Senior Product Full-Stack Engineer

📍 Hybrid | Finland (Hybrid)

🕒 Full-time

🧰 Tech Stack: JavaScript, React, Node.js, Python, AWS

🌐 Focus: Generative AI + AWS-powered platforms

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.

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

What We're Looking For

✔️ 10+ 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

Why Join Firemind?

🔥 Work on cutting-edge, production-ready AI solutions

🚀 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

🔄 Contractor: Flexible terms with potential for longer-term engagement

Interested? Let's talk.

📩 Please apply through our recruitment system (link below) to ensure that all personal information is handled appropriately.