Senior Full Stack Engineer

Third Nexus Group Limited
Sheffield, South Yorkshire, United Kingdom
2 weeks ago
£400 – £450 pa

Salary

£400 – £450 pa

Job Type
Contract
Work Location
Hybrid
Seniority
Senior
Education
Degree
Posted
15 Sep 2026 (2 weeks ago)

Senior Full Stack Engineer

Sheffield, (Hybrid - 3 days per week onsite)

£450pd Inside IR35

6 month contract

We’re hiring a Senior Full Stack Engineer (AI-focused) with strong technical leadership to join our team in Sheffield. This role is hands-on and suited to someone who can lead by example, partner with stakeholders, and help shape engineering standards while delivering high-quality software at pace.

Core requirements

* Senior full stack engineering capability with a strong front-end foundation:

* ReactJS and TypeScript

* Strong back-end engineering mindset (API design, integration, performance, security)

* AI/ML engineering skills (building and integrating AI-driven features into products; ideally with practical experience using modern model/tooling)

* DevOps capability to support build, release, and reliability (CI/CD, automation, environment management, observability)

Highly advantageous

* Python development experience (especially for AI/data workloads and services)

* Strong data experience (data pipelines, data modelling, analytics/feature engineering, working with structured/unstructured data)

Leadership expectations

* Provide technical direction, mentoring, and code review leadership

* Drive good engineering practices (testing, documentation, maintainability, security)

* Collaborate effectively across engineering, product, and delivery teams

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