Lead 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