Senior Fullstack Engineer (AI-Native) in London

Senior Fullstack Engineer (AI-Native) in London

London Freelance 60000 - 80000 € / year (est.) Home office (partial)
LinkedIn

At a Glance

  • Tasks: Architect and ship high-concurrency APIs for an AI hiring platform.
  • Company: Join a creative engineering team with a flat structure and zero bureaucracy.
  • Benefits: Freelance flexibility, long-term engagement, and hybrid work options.
  • Other info: Ideal for those seeking end-to-end ownership in a high-taste studio.
  • Why this job: Make a real impact in redefining recruitment with cutting-edge AI technology.
  • Qualifications: Strong experience 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) in London employer: LinkedIn

At Shakers, we pride ourselves on being an exceptional employer that fosters a culture of creativity and innovation. As a Senior Fullstack Engineer, you'll enjoy the benefits of a flat organisational structure, allowing for high ownership and minimal bureaucracy, while working in a hybrid environment in London that promotes flexibility. With opportunities for professional growth and the chance to contribute to cutting-edge AI technology, joining our team means being part of a forward-thinking community dedicated to redefining recruitment.

LinkedIn

Contact Detail:

LinkedIn Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Fullstack Engineer (AI-Native) in London

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 applying for that Senior Fullstack Engineer position.

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving NodeJS, NestJS, and GraphQL. This is your chance to demonstrate your hands-on experience with LLMs and event-driven architecture — make it shine!

Tip Number 3

Prepare for the interview by brushing up on your knowledge of GDPR and cloud-ready architectures. Be ready to discuss how you would integrate LLMs into the product safely and effectively — they’ll want to see your reliability mindset in action!

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 engage directly with us.

We think you need these skills to ace Senior Fullstack Engineer (AI-Native) in London

NodeJS
NestJS
GraphQL
PostgreSQL
LLMs (Large Language Models)
Event-driven Architecture
Prisma

Some tips for your application 🫡

Show Your Passion for AI:When writing your application, let us see your enthusiasm for AI and how it drives your work. Share specific examples of projects where you've integrated AI technologies, especially LLMs, to demonstrate your hands-on experience.

Highlight Your Fullstack Skills:Make sure to showcase your expertise in NodeJS, NestJS, GraphQL, and PostgreSQL. We want to know how you've architected and shipped high-concurrency APIs and event-driven systems, so don’t hold back on the details!

Emphasise Ownership and Reliability:We value a reliability mindset, so mention any experiences where you’ve built monitoring, logging, or QA processes. Talk about how you’ve owned features from start to finish, ensuring they’re production-ready and robust.

Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to receive your application and get to know you better. Plus, it shows you’re serious about joining our AI-native team!

How to prepare for a job interview at LinkedIn

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 likely ask you to share specific examples of how you've integrated these technologies in past projects.

Showcase Your Problem-Solving Skills

Prepare to discuss how you've tackled challenges in building high-concurrency APIs and event-driven systems. Think of a few scenarios where you had to make architectural decisions and be ready to explain your thought process.

Demonstrate Your Reliability Mindset

Since the role emphasises reliability, come prepared with examples of how you've implemented monitoring, logging, and QA processes in your previous work. Highlight any runbooks or strategies you've developed to ensure system stability.

Embrace the Flat Structure

This team values ownership and creativity, so be ready to discuss how you thrive in a flat organisational structure. Share experiences where you took initiative and drove projects from vague briefs to production, showcasing your ability to work independently.