Lead.NET Fullstack Engineer

Location: Poland

Department: Innovation Group Team

About the Client: 

The Client provides comprehensive operational support and a range of expert services to the world’s leading insurers, brokers, fleet managers and automotive manufacturers. 3,300 employees across ten countries deliver exceptional standards on a large scale for over 1,200 clients. We help the global insurance market to handle millions of claims each year in the most cost-effective and efficient ways possible.
The Client is embarking on an exciting and challenging transformation program and our software solutions are a driving force behind this strategy using cloud computing and leading-edge design patterns. 

Short Role Description:

This is a great opportunity for an experienced Lead Full Stack Engineer to join our Software Development team as part of one of our established Scrum teams. Each agile team includes technical leadership, development, architecture, QA, product, and project management roles. We are looking for a strong engineering leader who combines deep hands-on development expertise with an AI-first mindset. This role requires an AI Champion — someone who actively applies AI tools across the Software Development Life Cycle and helps elevate engineering productivity, quality, and delivery standards through practical and responsible AI adoption. You will not only build high-performance applications, including high-traffic customer-facing platforms, but also act as a multiplier for engineering excellence by introducing modern practices, tools, and ways of working.

Responsibilities:

• Provide technical leadership, mentorship, and hands-on support to engineers within the team.
• Design, develop, test, document, and maintain scalable backend and frontend solutions.
• Deliver high-quality, reusable, and maintainable code aligned with best engineering practices.
• Actively apply AI-assisted development approaches across design, coding, testing, and debugging.
• Drive improvements in engineering efficiency, quality, and delivery through practical AI usage.
• Produce clear and structured technical documentation.
• Provide realistic estimates and manage delivery timelines effectively.
• Participate in all Scrum ceremonies and contribute to team performance and continuous improvement.
• Coach teams on effective usage of GenAI tools and promote AI-first engineering culture.

Requirements:

• 7+ years of experience with Microsoft development stack (.NET / C# / SQL Server / T-SQL).
• Strong experience with .NET Core, Angular, JavaScript, HTML, CSS, Git.
• Hands-on experience designing scalable and maintainable systems.
• Solid understanding of SOLID principles, design patterns, and microservices architecture.
• Experience working with cloud platforms (Azure preferred).
• Strong experience working in Scrum environments across different team setups.

AI & Engineering Excellence Requirements:

• Proven hands-on experience using GenAI tools (e.g., Copilot, ChatGPT, Cursor, etc.) to improve development speed, code quality, testing, debugging, and documentation.
• Practical experience integrating LLM APIs or AI capabilities into applications or internal tools.
• Understanding of AI limitations, risks, and guardrails (testing, reviews, policies, compliance).
• Ability to introduce new tools and practices, influence teams, and scale adoption across engineering.

Nice to Have:

• Experience building internal developer productivity tools or engineering automation solutions.
• Exposure to performance, scalability, and security requirements for large-scale platforms.

Personal Attributes:

• Self-organising problem solver.
• Able to think outside the box (open thinking).
• Strong ability to work effectively in a team. Collaborating, motivating and energizing others (Team player).
• Encourage and drive others to deliver high-quality, cutting-edge software.
• You will have attention to detail and have a proactive ethos.
• Always looking for continuous improvement.
• Excellent verbal and written communication skills, in English.