2015 IT & Software Developer jobs in the UK

Lead Software Engineer - Belfast
£85,000 - 85,000
MCS Group
Adelaide Street 83-91, Belfast
£85,000 - 85,000
Requirements
Must:
- Strong experience as a software engineer, ideally building production-grade applications and products in Python
- Interest in AI and awareness of LLM APIs, including function calling, prompt engineering, and evaluation
- Proven backend/API development experience with FastAPI or similar
- Comfortable working within agile engineering teams
Responsibilities
- Build and extend platform capabilities using Python, including APIs, integrations, and backend services
- Implement testing and evaluation frameworks covering prompt quality, agent behavior, and output reliability
- Apply modern AI technologies where appropriate, such as RAG/GraphRAG, knowledge graphs, vector databases, and data pipelines
- Architect scalable, cost-effective solutions that balance innovation with constraints such as compliance, performance, and security
- Lead technical discussions and support less experienced engineers
- Solve complex problems across a wide variety of client environments
- Contribute to a culture of learning, coaching, and technical excellence
Description
We are MCS Group, seeking a Lead Software Engineer with deep commercial experience in Python for an exciting new role in our scaling technology company. This is a perfect opportunity for a senior Python engineer who wants to build real, high-impact AI systems and have true autonomy in our organization. Youll join a growing team developing next-generation AI solutions for some of the most complex and secure environments across diverse sectors. Our mission is to redefine how humans and machines work together; building AI that is safe, reliable, and genuinely useful. With a salary of up to £85,000 and a leading benefits package, including an exceptional annual leave entitlement and share options, we are committed to fostering a dynamic and supportive work environment.
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You can find Python Developer salaries in the UK here.
How many Python Developer jobs are in the UK?
Currently, there are 2015 Python openings. Check also: Django jobs, Flask jobs, TensorFlow jobs, Machine-Learning jobs - all with salary brackets.
Is the UK a good place for Python Developers?
The UK is one of the best countries to work as a Python Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for Python Developer jobs in the UK?
Bluefruit Software Limited, Mas & Pas Limited, Companies House, FCDO Services, OKTO Integrated Services, LendingCrowd, Access4 among others, are currently hiring for Python roles in the UK.
The company with most openings is Experis as they are hiring for 79 different Python Developer jobs in the UK. They are probably quite committed to find good Python Developers.
The company with most openings is Experis as they are hiring for 79 different Python Developer jobs in the UK. They are probably quite committed to find good Python Developers.