Senior Software Developer

Spectrum IT Recruitment; Southampton; Hybrid; GBP 65,000 - 75,000; Full time

Benefits offered by this job

Hybrid working schedule

Salary £65,000 - £75,000 + benefits

Job summary

Spectrum IT Recruitment is partnering with a sustainability business delivering digital products. They seek a Senior Software Engineer with AI experience to join a hybrid team near Eastleigh, Southampton.

You will build cloud apps, APIs and AI-enabled features using C#/.NET, TypeScript/Angular or Python/Django, and apply AI-assisted coding techniques. You will shape architecture, work with Azure, PostgreSQL and CI/CD, integrate business systems and monitor what you ship.

Qualifications

• Proven ability to deliver production software.
• Experience applying generative AI, document intelligence or intelligent automation.
• Familiarity with LLM patterns, including RAG and agent orchestration.

Responsibilities

• Build cloud applications, portals, APIs and integrations from complex data.
• Develop AI capabilities including document intelligence, semantic search and RAG.
• Use Claude Code and Codex to accelerate development with a focus on testing and security.
• Replace manual processes with intelligent workflows and modernise platforms.
• Shape architecture and engineering practices while collaborating with users and domain experts.

Skills

C# / .NET

TypeScript / Angular

Python / Django

AI development tools

Tools

Azure

PostgreSQL

CI/CD

Job description

Senior Software Engineer with AI

We're recruiting for a sustainability business investing in its next generation of digital products. They're looking for a talented Senior Developer who combines strong development skills with practical experience of AI-assisted coding, generative AI and intelligent automation.

What you'll get involved in

• Build cloud applications, customer portals, APIs and integrations that turn complex data into useful products.
• Develop AI capabilities spanning document intelligence, semantic search, Retrieval-Augmented Generation (RAG) and intelligent agents.
• Use tools such as Claude Code and Codex to accelerate development, applying sound judgement to testing, security and maintainability.
• Replace manual processes with intelligent workflows and help modernise existing platforms.
• Shape architecture, reusable components and engineering practices while working directly with users and domain specialists.

About You -

You've delivered production software and have strong skills in one or more of C# / .NET, TypeScript / Angular or Python / Django. You're comfortable building APIs, working with relational databases and integrating business systems.

You already use AI development tools and have practical experience incorporating generative AI, document intelligence or intelligent automation into working solutions. You understand LLM application patterns, including RAG and agent orchestration, and care about evaluating and monitoring what you ship.

Experience with Azure, PostgreSQL, CI/CD and cloud deployment would be valuable. Above all, you're curious, product-minded and able to turn a business problem into reliable software.

Why this opportunity?

You'll have room to influence technical decisions, establish AI engineering practices and see your work used by customers and colleagues. It's a chance to deepen your AI expertise while building products with measurable operational and sustainability impact.

• Hybrid working schedule - 2-3 days a week onsite near Eastleigh, Southampton.
• £65,000 - £75,000 + benefits
• Senior Developer, Senior Software Engineer, Technical Lead