At a Glance
- Tasks: Architect and ship high-concurrency APIs for an AI hiring platform.
- Company: Join a creative, flat-structured team redefining recruitment.
- Benefits: Freelance flexibility, long-term engagement, and hybrid work options.
- Other info: Ideal for those passionate about AI and event-driven architecture.
- Why this job: Make a real impact in AI-driven recruitment with full ownership.
- Qualifications: Strong skills in NodeJS, NestJS, GraphQL, and PostgreSQL required.
The predicted salary is between 60000 - 80000 € per year.
We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment.
You'll join a lean creative engineering team with a flat structure, high ownership, and zero bureaucracy. The product is AI-native — and so is the team.
What you'll do:
- Architect and ship high-concurrency APIs and event-driven systems (NodeJS, NestJS, GraphQL, PostgreSQL)
- Define enterprise-grade architecture: GDPR-safe, audit trails, permissions, cloud-ready by default
- Integrate LLMs (Gemini and others) into the product in a measurable, monitored, production-safe way
- Build reliability foundations: monitoring, logging, retries, runbooks
- Own features end-to-end — from vague brief to production
Must-haves:
- Strong NodeJS + NestJS + GraphQL + PostgreSQL
- Hands-on with LLMs in production (Gemini a plus)
- Event-driven architecture, Prisma, Terraform
- Reliability mindset: monitoring, QA, retries
Format:
- 100% freelance via Shakers
- Long-term engagement
- Hybrid in London - flexible (EU timezone)
If you're AI-native in practice and want real end-to-end ownership in a high-taste studio, apply.
Senior Fullstack Engineer (AI-Native) employer: Shakers
Join a forward-thinking team as a Senior Fullstack Engineer, where you'll enjoy the freedom of a freelance role with long-term engagement in a hybrid London setting. Our flat structure fosters creativity and high ownership, allowing you to make a real impact on an innovative AI hiring platform. With a focus on employee growth and a culture that embraces cutting-edge technology, this is an excellent opportunity for those looking to thrive in a dynamic environment.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Fullstack Engineer (AI-Native)
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who are already in AI or fullstack roles. A personal recommendation can make all the difference when you're trying to land that freelance gig.
✨Tip Number 2
Show off your skills! Create a portfolio that highlights your best projects, especially those involving NodeJS, NestJS, and GraphQL. Make sure to include any work with LLMs too, as it’s a hot topic right now!
✨Tip Number 3
Prepare for interviews by brushing up on your knowledge of event-driven architecture and reliability practices. Be ready to discuss how you’ve implemented monitoring and logging in past projects—this will show you’re the real deal.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Senior Fullstack Engineer (AI-Native)
Some tips for your application 🫡
Show Your Passion for AI:When you're writing your application, let your enthusiasm for AI and technology shine through. We want to see how you've engaged with AI in your past projects, especially if you've worked with LLMs like Gemini. Make it personal!
Highlight Your Fullstack Skills:Make sure to showcase your experience with NodeJS, NestJS, GraphQL, and PostgreSQL. We’re looking for someone who can architect and ship high-concurrency APIs, so don’t hold back on detailing your relevant projects and achievements.
Emphasise Ownership and Reliability:We love engineers who take ownership of their work! In your application, share examples of how you've owned features from start to finish. Also, highlight your reliability mindset—mention any monitoring or QA practices you've implemented.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates. Plus, we love seeing applications come in through our own channels!
How to prepare for a job interview at Shakers
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in NodeJS, NestJS, GraphQL, and PostgreSQL. Brush up on your experience with LLMs, especially Gemini, as they’ll want to see how you can integrate these into their product. Be ready to discuss specific projects where you've used these technologies.
✨Showcase Your Problem-Solving Skills
Prepare to talk about how you've tackled challenges in building high-concurrency APIs or event-driven systems. Use examples that highlight your reliability mindset, such as how you’ve implemented monitoring or logging in past projects. This will demonstrate your hands-on experience and thought process.
✨Understand the Company’s Vision
Familiarise yourself with the AI hiring intelligence platform and its goals. Think about how your skills can contribute to redefining recruitment through voice-first, capability-based assessment. Showing that you understand their mission will set you apart from other candidates.
✨Be Ready for a Collaborative Discussion
Since the team has a flat structure and values ownership, be prepared to engage in a two-way conversation. Ask insightful questions about the team dynamics and how they approach projects. This will show that you’re not just looking for a job, but are genuinely interested in being part of their creative engineering team.
