Senior Backend Developer

  • IO Associates
  • May 07, 2026
Full time Telecommunications

Job Description

Title: Senior Backend Engineer (Node, TypeScript, AWS)

Salary: Up to £80,000 plus bonus

Location: Fully Remote (UK)

Are you a Senior Backend Developer who wants to own features end-to-end and build products used at scale?

We're working with a fast-growing, product-led tech business looking for a Node.js/TypeScript expert to join a high-performing squad. You'll play a key role in shaping, building, and scaling core product features, from concept through to release and beyond.

This is a hands-on engineering role where you'll combine strong Back End development with architecture input, best practice, and real ownership.

What you'll be doing:

  • Design, build and ship high-quality Back End features end-to-end
  • Take ownership of services from concept production optimisation
  • Develop scalable APIs using Node.js/TypeScript
  • Work closely with Product, Design and Tech Leads on roadmap and delivery
  • Improve deployment, testing and engineering standards across the team
  • Mentor others and champion best practices and clean code

Tech stack:

  • Node.js, TypeScript, JavaScript
  • AWS (ECS, CDK, SNS, SQS, DynamoDB)
  • REST APIs, HTTP, JSON services
  • SQL (Postgres/T-SQL/Presto)
  • Automated testing (Jest)
  • CI/CD (GitHub Actions/similar)

What you get:

  • Salary up to 80k plus bonus
  • Fully Remote working
  • 25 days holiday plus bank holidays
  • 10% pension
  • Private medical cover
  • And more!

Our client has a very swift 2 stage interview process and they're looking to move very quickly!

If you're interested in this role, or know anyone who would be, then please apply to this advert