Senior Full-Stack Engineer (AI) — Tech Lead

Third Nexus Group Limited; Sheffield; Hybrid; GBP 72,000 - 94,000; Full time

Job summary

Third Nexus Group Limited in Sheffield is seeking a Senior Full Stack Engineer (AI-focused) to lead by example and deliver high-quality software at pace in a hybrid setup.

You will work across frontend and backend with ReactJS, TypeScript, API design, and CI/CD, and mentor teams while shaping engineering standards. This hands-on role emphasizes collaboration with product and delivery to drive AI-enabled features.

Qualifications

• Senior full stack capability with a strong front-end foundation.
• Hands-on with ReactJS and TypeScript.
• Experience in API design, integration, and security.
• AI/ML engineering experience with product integration.

Responsibilities

• Provide technical direction and code review leadership.
• Lead by example and mentor across teams.
• Collaborate with product and delivery to ship AI-enabled features.
• Drive testing, documentation, and maintainable code.

Skills

ReactJS

TypeScript

API design

DevOps/CI-CD

Observability

AI/ML

Leadership

Job description

Third Nexus Group Limited in Sheffield is seeking a Senior Full Stack Engineer (AI-focused) to lead by example and deliver high-quality software at pace in a hybrid setup.

You will work across frontend and backend with ReactJS, TypeScript, API design, and CI/CD, and mentor teams while shaping engineering standards. This hands-on role emphasizes collaboration with product and delivery to drive AI-enabled features.