Senior Full-Stack Engineer

Cody Software; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

Cody Software is seeking a senior full-stack engineer to join their Digital Product practice in Greater London. In this role, you will lead technical delivery on client engagements, architect scalable web applications, and mentor mid-level engineers. A strong proficiency in TypeScript, React/Next.js, and Node.js is essential.

The ideal candidate will have over 5 years of experience in full-stack development and be comfortable working closely with clients to deliver successful projects.

Qualifications

• 5+ years of professional full-stack development experience.
• Strong proficiency in TypeScript, React/Next.js, and Node.js.
• Experience designing and building REST or GraphQL APIs.

Responsibilities

• Lead architecture and delivery on 1–2 concurrent client projects.
• Write clean, well-tested TypeScript across Next.js frontends and Node.js backends.
• Conduct code reviews and set technical standards for the engagement.

Skills

TypeScript

React/Next.js

Node.js

REST or GraphQL APIs

PostgreSQL

Agile methodologies

Tools

AWS

GCP

Docker

Kubernetes

Job description

We're looking for a senior full-stack engineer to join our Digital Product practice. You'll lead technical delivery on client engagements, architect scalable web applications, and mentor mid-level engineers. You'll work closely with clients, so clear communication is just as important as technical excellence.

What You'll Do

• Lead architecture and delivery on 1–2 concurrent client projects
• Write clean, well-tested TypeScript across Next.js frontends and Node.js backends
• Conduct code reviews and set technical standards for the engagement
• Collaborate directly with client stakeholders in discovery and planning sessions
• Mentor junior and mid-level engineers on the team

What We're Looking For

• 5+ years of professional full-stack development experience
• Strong proficiency in TypeScript, React/Next.js, and Node.js
• Experience designing and building REST or GraphQL APIs
• Solid understanding of relational databases (PostgreSQL preferred)
• Comfortable working in agile/sprint environments with client-facing responsibilities

Nice to Have

• Experience with cloud infrastructure (AWS or GCP)
• Exposure to DevOps practices: CI/CD, Docker, Kubernetes
• Previous experience in a consulting or agency environment