C#/.NET - Principal Engineer - Permanent

Job Title: Principle Engineer (C#.NET)

Principal Software Engineer – Award-Winning Insurance Firm

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience.
Right to work in the UK without sponsorship - Unfortunately this client can NOT offer sponsorship
Extensive experience in C# and the .NET framework, with proficiency in multiple programming languages.
Strong knowledge of various libraries and frameworks.
Advanced understanding of containerization, serverless technologies, and cloud deployment (Azure, AWS).
Proven experience with CI/CD pipelines and Infrastructure as Code (IaC).
Deep familiarity with Agile methodologies and tools.

About the Company

An award-winning specialty (re)insurance firm is redefining the industry with a bold mission: to become the most inspiring group in the sector. With a strong emphasis on innovation, collaboration, and continuous improvement, this organization is committed to revolutionizing insurance through cutting-edge technology and exceptional service.

At the core of the company’s success is its people. The firm fosters a dynamic, service-oriented culture where employees are empowered to grow, take on new challenges, and make a meaningful impact. A flexible and competitive benefits package supports individual goals and ambitions, reflecting the company’s belief that investing in people is investing in the future.

About the Role

As a Principal Software Engineer, you will play a critical leadership role in driving innovation and excellence across the software development lifecycle. This position is ideal for a seasoned technologist with a passion for mentoring, architecture, and secure development practices.

You will lead the design, development, and maintenance of sophisticated software solutions, while also guiding and mentoring team members. Your strategic and technical expertise will shape the direction of software products, ensuring they are scalable, reliable, and maintainable.

Key Responsibilities

Lead Agile ceremonies and provide expert mentorship during sprint planning, stand-ups, reviews, and retrospectives.
Foster cross-functional collaboration with product owners, designers, testers, and developers.
Architect and implement innovative software solutions using advanced design principles and patterns.
Drive architectural discussions and strategic direction for scalable and maintainable software features.
Define and implement robust unit testing strategies and mentor team members in quality assurance practices.
Troubleshoot and resolve complex technical issues using advanced debugging techniques.
Oversee version control practices, including branching strategies and code reviews.
Mentor engineers in code craftsmanship and enforce high standards for code quality and security.
Design and optimize CI/CD pipelines using advanced automation and deployment strategies.
Ensure seamless integration of code changes with minimal disruption and technical debt.
Maintain comprehensive technical documentation to support knowledge sharing and onboarding.
Promote a culture of continuous learning and innovation within the team.
Perform additional duties as required.

Skills & Attributes

Strong problem-solving and analytical skills.
Growth mindset with a commitment to continuous learning.
Excellent communication skills for both technical and non-technical audiences.
Effective time management and results-driven approach.
Collaborative team player with empathy and interpersonal skills.
Experienced mentor and coach for junior engineers.
Demonstrated leadership in guiding teams and driving technical excellence.

Location

London, UK

Rate/Salary

(phone number removed) - (phone number removed) GBP Yearly

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)>
To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to (url removed)>
We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at (url removed)/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield