Video Principal .NET Engineer

Deltatre’s backend team comprises of the most talented .NET professionals in the over-the-top (OTT) and digital industry – working for major sports organizations, rights owners, media companies, and some of the world’s leading broadcasters. Daily, we pioneer new ways for consumers to interact with technology and take pride in delivering world-class experiences on emerging technologies.

As one of our Backend Engineers, you will be working on a code base powering our platforms and services that enable our clients to create and deliver compelling OTT streaming solutions, websites, apps, and live broadcast solutions at scale to consumers and fans. Our technologies are built to withstand millions of concurrent users and to deliver an unparalleled service.

• As Principal .NET Engineer at Deltatre, you lead a cross-functional engineering team responsible for the architecture, design, and delivery of backend services powering cloud-based media platforms.
• You drive feature development, production incident resolution, CI/CD automation, and continuous improvement of engineering standards and delivery practices.
• You own and drive software architecture strategy across products and platforms, ensuring scalability, performance, and long-term maintainability.
• You define and enforce architectural standards and engineering best practices, guiding technical decision-making and ensuring consistency across teams.
• You collaborate closely with engineering and product leadership to deliver fit-for-purpose solutions aligned with roadmap priorities, iteration cycles, and release planning.
• You oversee cloud-native platform operations across managed services, containers, and virtual machines, leading modernization initiatives while ensuring stability and incremental evolution of critical legacy systems.
• You lead architecture knowledge-sharing sessions and mentor engineers to elevate technical excellence across the organization.
• You contribute to the evolution and modernization of core technologies and platform capabilities.

• Multithreading and parallelization
• Domain-Driven Design (DDD)
• Test-Driven Development (TDD), unit & integration testing

• Background processing & Windows Services
• High-performance and high-availability system design

• MongoDB
• Redis (distributed caching)
• Entity Framework Core / NHibernate
• MS SQL Server
• Git (branching strategies, PR reviews)
• PowerShell / Bash scripting

• End-to-end video workflow orchestration
• AWS Media Services
• HLS, MPEG-DASH
• DRM integration
• Video processing libraries (e.g. ffmpeg)

• Architecture design and technical decision-making
• Code quality governance and review processes
• Mentoring and upskilling team members
• Hands-on approach to solving complex system challenges

• driven to push the boundaries and lead change and performance
• communicative to leave no-one in the dark and to work with your team successfully
• reliable so we know that we can call on you to meet deadlines
• passionate about the latest technologies and standards
• proactive to suggest improvements, identify and fix potential issues
• solid technically speaking, to advise both Clients and internal teams

Our people are key to our success and we pride ourselves on offering a dynamic, creative, innovative and supportive environment. Having the right combination of a 'can-do' approach, strong work ethic, integrity, friendliness and attention to detail is crucial.

Even if you don’t tick all the boxes for one particular role, but you have a keen interest in what we do, send us your details, we may find a suitable match during the interview process.

Deltatre consciously nurtures an environment where each and every team member feels safe to bring their whole selves to work, in which everyone is valued and respected for who they are and what they bring. Everyone has the opportunity to reach their full potential, and every team member is expected to treat everyone with dignity and respect, value different perspectives, use inclusive language and work in alignment with Deltatre's commitment to diversity and inclusion. At Deltatre, everyone is welcome and celebrated.

We are committed to ensuring that we provide equal opportunities for all. Please let us know if you need us to make any adjustments or if you have any special requirements for the interview process. Depending on the role this normally includes a written test and interview.