Senior Software Engineer II

About The Business

At Cirium, our goal is to keep the world connected. We are the industry leader in aviation analytics; helping our customers understand the past, present, and predicting what will happen tomorrow. Our mission is to transform the aviation industry by enabling airlines, airports, travel companies, tech giants, aircraft manufacturers, financial institutions and many more accelerate their own digital transformation. You can learn more about Cirium at

About The Team

You will be joining a collaborative, curious, team of Software Engineers at all different levels. In joining us you will have the opportunity to share ownership in solving engineering problems end to end.

About The Role

This role offers the opportunity to work on a new, end‑to‑end analytics platform, contributing to products that support informed decision‑making for global customers. We’re looking for an experienced Senior Software Engineer who enjoys collaborative problem‑solving, building scalable systems, and contributing to technical direction while remaining hands‑on.

• Work with product, data, and engineering colleagues to design and deliver scalable software solutions
• Build and maintain high‑quality, production‑ready code across backend and frontend services
• Contribute to architectural discussions and technical decision‑making
• Develop, deploy, and support cloud‑native services
• Identify and resolve performance, reliability, and scalability issues

• Professional experience developing commercial software applications
• Experience building scalable or concurrent systems
• Full‑stack development experience using C#, .NET, and Angular (experience with NgRx is a plus)
• Experience working with AWS or similar cloud platforms
• Familiarity with RESTful APIs, JSON‑based services, and Git‑based workflows
• Comfort working in Linux or similar environments

We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:

• Generous holiday allowance with the option to buy additional days
• Health screening, eye care vouchers and private medical benefits
• Wellbeing programs
• Life assurance
• Access to a competitive contributory pension scheme
• Save As You Earn share option scheme
• Travel Season ticket loan
• Electric Vehicle Scheme
• Optional Dental Insurance
• Maternity, paternity and shared parental leave
• Employee Assistance Programme
• Access to emergency care for both the elderly and children
• RECARES days, giving you time to support the charities and causes that matter to you
• Access to employee resource groups with dedicated time to volunteer
• Access to extensive learning and development resources
• Access to employee discounts scheme via Perks at Work

Learn more about the Lexis Nexis Risk team and how we work here

We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits.  to access benefits specific to your location.