Mid-Level Developer

Champion Data has an exciting opportunity for a capable and motivated Developer (Mid-Level) to join our engineering team. This role is ideal for someone who has moved beyond graduate or junior level and is looking to deepen their technical capability while contributing meaningfully to production systems used in elite sport.

As a mid-level developer, you will design, build, test, and maintain software solutions under the guidance of senior engineers and technical leads. You’ll take ownership of well-defined components, contribute to team discussions and technical decisions, and steadily grow towards greater autonomy and responsibility.

This is a full-time permanent role based in the United Kingdom. We operate a hybrid model, with developers typically spending 1–2 days per week in our central London office or client locations to support collaboration and team connection.

The role reports into the Technology Leadership team (via the CTO) and works closely with senior developers, product managers, and delivery leads.

The role may include participation in a rostered on-call support rotation for scheduled sporting events, with appropriate support and escalation.

• Solid commercial experience with .NET / .NET Core and C#
• Practical experience building and maintaining applications in AWS environments
• Experience working on production systems with real users and operational constraints
• Familiarity with CI/CD pipelines and Git-based workflows
• Experience working within Agile delivery teams
• A willingness to learn and grow into greater technical responsibility
• Clear written and verbal communication skills
• Strong problem-solving ability and attention to detail
• Experience with data-intensive or distributed systems is advantageous but not required.

• Software Development: Design, develop, test, and maintain software applications using agreed technologies and patterns, following established best practices and coding standards.
• Task Delivery: Deliver assigned tasks and user stories within agreed timeframes and quality expectations, raising risks or blockers early.
• Collaboration: Work closely with other developers, testers, product managers, and delivery leads to build effective and reliable solutions.
• Code Quality: Write clean, maintainable, and well-tested code, contributing to peer code reviews and continuous improvement of team standards.
• Learning and Growth: Actively develop your technical skills and domain knowledge, learning from senior engineers and applying feedback to improve your work.
• Reuse and Consistency: Leverage shared libraries, frameworks, and existing patterns where appropriate to ensure consistency and efficiency across systems.
• Problem Solving: Investigate and resolve technical issues within your area of responsibility, escalating more complex problems when needed.
• Operational Support: Assist with supporting and maintaining production systems, including diagnosing issues and contributing to fixes under guidance.
• Documentation: Contribute to technical documentation to support maintainability, onboarding, and knowledge sharing.

• Mindful Me Days: Four days per year dedicated to your wellbeing
• Flexible Working: Our team works globally in a hybrid environment, which includes two weeks per year, during which you can work remotely from anywhere worldwide.
• UK Office: Access to a co-working space in Soho, London.
• Our spaces: all of our offices have great end-of-journey facilities; including showers, wellness/prayer room & games
• Employee Assistance Programs: 24/7 Access to financial support and counselling 
• Wellness Incentive: To help support your home office setup or contribute towards a wellness activity/service of your choosing
• Get to the Game:  Funds towards tickets for you and your family/friends to attend sporting events globally.
• Advance You Learning and Development: Annual budget to spend on learning and development activities plus Brain Block Time, this is time set aside monthly to learn or study. 
• LinkedIn Learning: Access to an external learning platform LinkedIn Learning
• Social Events: Including an annual Family Day & Volunteer Day 
• Paid Parental Leave