Title: Lead Backend Engineer (Nodejs)
Salary: Up to £90,000 D.O.E
Location: Belfast (2 days on site)
Are you a Lead Engineer ready to take on more technical leadership and help shape the future of AI-driven software?
if so...
iO Associates is exclusively working with a rapidly scaling AI consultancy headquartered in Belfast that's building secure, high-performance solutions for clients across government, defence, and industry. They're at the forefront of AI innovation, developing platforms that bring trusted, explainable AI into real-world, mission-critical environments.
They're now looking for a Lead Backend Engineer to head up a small, high-performing team, setting standards, driving design decisions, and mentoring others, while staying hands-on with development.
What You'll Be Doing
* Lead and mentor a talented backend team, setting coding and design standards.
* Develop and maintain scalable backend services and APIs in Node or Python.
* Collaborate with cross-functional teams to translate complex requirements into technical solutions.
* Ensure code quality, reliability, and performance across all services.
* Shape architecture decisions and influence the roadmap for AI-driven products.
What You'll Bring
* 5+ years of backend development experience with Node.js or Python.
* Strong grasp of scalable server-side architecture and cloud-native design.
* Proven ability to mentor engineers and lead technical delivery.
* Familiarity with AI technologies or interest in working within the AI/ML space.
* Excellent communication skills and a collaborative mindset.
* Must be eligible for SC Clearance.
Our client has a 2 stage interview process, if you're interested in this role or know anyone who would be, then please apply with an updated CV and reach out to a. methula@io associates.co. uk