Full job descriptionLead Software Engineer - MongoDB / Node.js / JavaScript

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 MongoDB 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:
*MongoDB (data modelling, indexing, aggregation, performance tuning)
*Node.js and the wider JavaScript/TypeScript 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 & DevOps practices
*GitHub workflows
*Observability tools (e.g., DataDog)
*Docker / Kubernetes


Tech Stack You’ll Be Working With

*Node.js, JavaScript/TypeScript
*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 (LangChain, 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!