Hemel Hempstead, England, United Kingdom · On-site
Senior
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Full-time
bachelor degree
Private medical cover, 25 days paid holiday, Life assurance, Group pension plan, Employee assistance programme, LinkedIn learning access
Posted 5d ago
~40 hrs/week
Responsibilities
The Lead/Senior Software Engineer will own the design, development, and delivery of end-to-end platform capabilities across frontend, backend, and data layers. They will drive architectural decisions, ensure secure and scalable solutions, and foster innovation through AI integration.
Requirements
Candidates must have strong commercial experience in full-stack development with React, Next.js, Node.js, and PostgreSQL. A degree in Computer Science is advantageous, and the role requires UK Security Clearance and a pre-existing right to work in the UK.
The Lead/Senior Software Engineer - Full stack will be responsible for owning the design, development, and delivery of end-to-end platform capabilities across frontend, backend, and data layers.
This role requires deep expertise across modern web technologies, including React / Next.js, Node.js APIs, PostgreSQL, cloud infrastructure, and integration platforms. The individual will take ownership of architectural decisions, drive best practice across the engineering team, and ensure delivery of secure, scalable, and high-performing solutions.
The role also includes driving innovation through AI integration, improving engineering workflows, and ensuring that platform capabilities translate into tangible product value.
Essential Skillset
Strong experience in full stack development using React, Next.js (App Router), Node.js, and TypeScript
Proven expertise in frontend architecture, including SSR, ISR, caching, and performance optimisation
Strong backend development experience building REST APIs and backend-for-frontend (BFF) services
Experience designing and managing PostgreSQL databases, schemas, and performance tuning
Experience working with cloud platforms (AWS preferred) and deployment tooling (CI/CD pipelines, GitHub)
Strong understanding of system architecture, scalability, and distributed systems
Experience implementing authentication and authorisation models (e.g. Auth0, RBAC)
Strong experience with modern UI frameworks, including Tailwind / component libraries / design systems
Experience integrating third-party services and enterprise platforms
Understanding of security best practices, secrets management, and compliance requirements
Experience working within Agile/Scrum environments
Strong communication and stakeholder collaboration skills
Desirable Skillset
Experience with serverless architecture and microservices
Experience with event-driven systems and message queues
Exposure to data engineering pipelines or analytics platforms
Experience with AI/ML frameworks or LLM integrations
Knowledge of DevOps best practices and Infrastructure as Code
Experience working in enterprise or regulated environments (e.g. NHS, DSPT compliance).
Qualifications
Strong commercial experience in full stack software engineering is essential; a degree in Computer Science or related discipline is advantageous but not required
Additional Information
We are proud of the benefits we offer employees of NEC Software Solutions
Private Medical Cover funded by NEC for Employees (with the option to add family members at an additional cost)
25 days paid holiday with the option to buy/ sell
4 x basic salary life assurance cover funded by NEC (with the option to increase cover at an additional cost)
A Group Pension Plan with fantastic employer contributions up to a maximum of 8.5%
A fantastic selection of flexible benefits to suit your individual needs
We are an employer who cares, we have a invaluable employee assistance programme which can help in every area of your life
All colleagues get free access to LinkedIn Learning. Over 15000 courses covering a huge breadth of subjects. Learn about what you like, when you like, how you like.
Candidates must be able to demonstrate a pre-existing right to work and travel within the UK. Documentary evidence will be required.
All offers are subject to satisfactory vetting and reference checks. This role will require UK Security Clearance.
NEC Software Solutions is an equal opportunities employer, welcoming applications from all communities. If you require any reasonable adjustments or have specific accessibility needs during the recruitment or interview process, please feel free to share these with us. We are committed to ensuring an inclusive and accommodating experience for all candidates.
Related keywords
Full stackReactNext.jsNode.jsTypeScriptPostgreSQLAWSCI/CDGitHubREST APIsBFFTailwindAuth0RBACAgileScrum
Innovation when it matters most. We build software and services that help keep people safer, healthier, and better connected worldwide.
Our customers are national governments and international health bodies. They’re also police forces, emergency services, local authorities, and housing providers, all working to prevent harm and provide the right support. Our software and services get them great outcomes.
Innovation when it matters most. We build software and services that help keep people safer, healthier, and better connected worldwide.
Our customers are national governments and international health bodies. They’re also police forces, emergency services, local authorities, and housing providers, all working to prevent harm and provide the right support. Our software and services get them great outcomes.