Senior Software Engineer

Job Title: Senior Python AI & Data Engineer

This full-time role, based in Sheffield, focuses on designing and delivering intelligent data workflows that connect enterprise systems with large language models and agentic AI solutions. You will develop and evolve a Gen AI-powered case management platform that enables users to retrieve accurate summaries, insights, and recommendations from both structured and unstructured data. As a Senior engineer, you will provide technical leadership, drive the adoption of modern AI engineering practices, and ensure that AI-powered solutions are robust, scalable, and reliable.

• Design, develop and maintain Python-based services and data processing solutions that power AI-driven case management capabilities.
• Build, implement and optimise data pipelines that connect enterprise applications and systems with AI and large language model platforms.
• Create, refine and optimise prompts and AI workflows to improve the quality, accuracy and relevance of AI-generated outputs.
• Support and drive the adoption of agentic AI capabilities and automation across investigative and case management processes.
• Work with both structured and unstructured data sources, ensuring data is properly ingested, transformed and prepared for AI and analytics.
• Ensure that information retrieved through AI systems is accurate, reliable and aligned with business and compliance requirements.
• Collaborate closely with business stakeholders and technology teams to understand requirements and translate them into technical solutions.
• Provide technical leadership within the team, including mentoring junior engineers and guiding best practices in AI and data engineering.
• Contribute to the delivery of scalable AI-powered solutions that improve investigative processes through automation and intelligent insights.
• Help establish and promote modern AI engineering practices, including agentic workflows, prompt engineering and AI-assisted development.

• Strong Python development experience, including building production-grade services and data processing components.
• Proven data engineering experience, with the ability to design, implement and maintain robust data pipelines.
• Hands-on experience working with AI, Generative AI or machine learning solutions in a practical, production-oriented context.
• Practical prompt engineering experience, including designing, testing and optimising prompts for large language models.
• experience handling large and complex datasets, including managing data quality, transformation and integration.
• Solid understanding of enterprise integration patterns and how to connect multiple systems and platforms in a reliable way.
• Strong problem-solving and analytical skills, with the ability to diagnose complex issues and design effective solutions.
• Ability to work independently, take ownership of technical initiatives and provide leadership within a multidisciplinary team.

• experience with Gemini or other large language model platforms.
• experience working with Google Cloud Platform (GCP).
• Hands-on experience in agentic AI development and orchestrating agent-based workflows.
• Knowledge of AI-assisted software development tools and practices.
• experience in financial services or other highly regulated environments.
• Demonstrable practical application of Generative AI, agentic workflows, automation, prompt engineering and AI-assisted development.

Sheffield, UK

500.00 - 600.00 GBP Daily

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT
, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment…