Lead Full-Stack Engineer – AI-Driven Platform & Architecture

NECSWS; Hemel Hempstead; On-site; GBP 70,000 - 95,000; Full time

Benefits offered by this job

Private Medical Cover

25 days paid holiday

Life assurance

Group Pension Plan

Flexible benefits

LinkedIn Learning access

Job summary

NEC Software Solutions in Hemel Hempstead is seeking a Lead/Senior Software Engineer - Full stack to own the design, development and delivery of end-to-end platform capabilities across frontend, backend and data layers.

You will work with React/Next.js, Node.js, PostgreSQL, cloud infrastructure, and integration platforms, driving architecture decisions and ensuring secure, scalable, high-performing solutions with a focus on AI integration and improved engineering workflows.

Qualifications

• Strong experience in full stack development using React, Next.js (App Router), Node.js, and TypeScript.
• Proven frontend architecture expertise including SSR, ISR, caching, and performance optimization.
• Backend development experience with REST APIs and BFF services.
• Experience designing and managing PostgreSQL databases, schemas, and performance tuning.
• Experience with cloud platforms (AWS) and deployment tools (CI/CD, GitHub).
• Understanding of system architecture, scalability, and distributed systems.
• Experience implementing authentication and authorization models (Auth0, RBAC).
• Experience with UI frameworks and design systems (Tailwind, component libraries).
• Experience integrating third-party services and enterprise platforms.
• Security best practices and secrets management awareness.
• Experience in Agile/Scrum environments.

Responsibilities

• Own design, development and delivery of end-to-end platform capabilities across frontend, backend and data layers.
• Drive architectural decisions and engineering best practices for secure, scalable solutions.
• Lead AI integration initiatives and improve engineering workflows.
• Collaborate with stakeholders to translate platform capabilities into product value.

Skills

React

Next.js

Node.js

TypeScript

REST APIs

PostgreSQL

Cloud platforms

CI/CD

GitHub

Security best practices

Agile/Scrum

Auth0 / RBAC

Serverless

Distributed systems

Tools

AWS

Job description

NEC Software Solutions in Hemel Hempstead is seeking a Lead/Senior Software Engineer - Full stack to own the design, development and delivery of end-to-end platform capabilities across frontend, backend and data layers.

You will work with React/Next.js, Node.js, PostgreSQL, cloud infrastructure, and integration platforms, driving architecture decisions and ensuring secure, scalable, high-performing solutions with a focus on AI integration and improved engineering workflows.