Lead Software Engineer; MongoDB​/Node.js​/JavaScript

Position: Lead Software Engineer (MongoDB / Node.js / JavaScript)
Lead Software Engineer - Mongo

DB / Node.js / Java Script  

As a Lead Engineer, you’ll play a pivotal role in shaping the technical direction of the product. You’ll guide a talented squad of engineers, drive architectural decisions, and deliver scalable backend systems that directly impact thousands of users.

This is a hands-on leadership role where you’ll balance technical excellence with mentorship, collaboration, and strategic thinking.

What You’ll Be Doing

Technical Leadership

Set the technical direction and lead architectural decision-making

Mentor and support junior and senior engineers

Conduct code reviews and uphold engineering best practices

Backend Engineering

Build and maintain scalable backend services and RESTful APIs

Design and optimise Mongo

DB database solutions

Improve and maintain existing backend infrastructure

Troubleshoot production issues and implement robust solutions

Collaboration & Delivery

Work closely with cross-functional teams to deliver meaningful customer outcomes

Participate in technical interviews and help grow the engineering team

Drive improvements in processes, tooling, and development practices

Core Technical Skills

You’ll thrive if you have experience with:

Mongo

DB (data modelling, indexing, aggregation, performance tuning)

Node.js and the wider JavaScript/Type Script ecosystem

Express.js and/or Fastify

RESTful API design

AWS or similar cloud platforms

Microservices architecture

Testing frameworks (Vitest, Jest, Mocha, etc.)

CI/CD pipelines & Dev Ops practices

Git Hub workflows

Observability tools (e.g., Data Dog)

Docker / Kubernetes

Tech Stack You’ll Be Working With

Node.js, JavaScript/Type Script

Express.js, Fastify

MongoDB

AWS

Vue.js, Nuxt.js

Nice to Have – AI Experience

Not essential, but a big bonus:

Integrating AI/ML models

Working with LLM APIs (OpenAI, Anthropic, etc.)

Prompt engineering

AI workflow tools (Lang Chain, Flowise)

Building internal AI automation tools

Benefits

This company genuinely invests in its people. You’ll enjoy:

Remote-first working with offices in London, Manchester

Flexible hours

25 days annual leave + 8 bank holidays + 2 Christmas shutdown days

Option to purchase an extra week off

Interested? Please Click Apply Now