Senior Fullstack Engineer

Senior Fullstack Engineer

Korn Ferry are looking for a Senior Fullstack Engineer to work on an exciting product - with a well-funded, AI Start-Up in the Reg-Tech space. You will need to craft intuitive, accessible, and elegant experiences across our platform. You'll simplify complex workflows, lead design strategy, and collaborate closely with engineering to deliver user-centered solutions at scale.

Engagement info

We are looking to engage contractors/freelancers/B2Bs on a longterm basis

You must be based within the EU and able to work as a contractor/freelancer/B2B without sponsorship

You must speak fluent English

Primarily remote engagement, occasional travel to London expected

Senior Node / React Engineer

Join us as a Senior Engineer to build high-quality, scalable microservices and intuitive user experiences. You’ll lead feature delivery, optimize service performance, and drive automation across the stack—all while solving real customer problems at scale.

Your Mission

• Simplify complex user workflows

• Evolve our microservices and knowledge graph architecture

• Drive an API-first, automation-driven engineering culture

What Success Looks Like

• Rapid iteration leads to product-market fit

• Microservices are fast, resilient, observable, and secure

• Features are API-first and easy to integrate

• Developers ship confidently and often

What You Bring

• Strong experience with Node.js, React, and distributed systems

• Skilled in API design, service communication, and contract testing

• Background in event sourcing and microservices architecture

• Passion for automation, customer-focused development, and cybersecurity

• Agile mindset with a strong sense of ownership and collaboration

Why Join Us

• Build end-to-end features that directly impact users

• Ship code daily in a DevOps-first environment

• Expand into AI, Python, and emerging tech

• Join a team that values learning, speed, and clean architecture

Our Tech Stack

• Frontend: React

• Backend: Nest.js, Python (FastAPI), LangChain

• Infrastructure: AWS ECS, PostgreSQL, Kafka

• IaC & CI/CD: Terraform, GitHub workflows

• Testing: Pact, Jest, Cypress, Pytest (AI testing included)