NET Backend Lead Engineer

• As Backend Lead 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., 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.

Do you have experience in Test-driven development?, Backend Development & Architecture

• C#, .NET (6-8), ASP.NET Core
• OOP, SOLID principles, Design Patterns
• Domain-Driven Design (DDD)
• Test-Driven Development (TDD), unit & integration testing
• RESTful API design (contract-first, versioning, backward compatibility)
• OpenAPI / Swagger documentation

Distributed Systems & Integration

• Microservices architecture
• Event-driven systems (RabbitMQ)
• Background processing & Windows Services
• High-performance and high-availability system design
• Dependency Injection (IoC containers)

Data & Persistence

• MS SQL Server
• MongoDB
• Redis (distributed caching)
• Entity Framework Core / NHibernate

DevOps, Cloud & Infrastructure

• Git (branching strategies, PR reviews)
• Docker / Kubernetes / Octopus Deploy
• CI/CD pipeline design & automation
• PowerShell / Bash scripting
• Microsoft Azure / Amazon Web Services (AWS)

Media & Streaming Systems

• End-to-end video workflow orchestration
• Azure Media Services
• AWS MediaLive
• FFmpeg
• LL-HLS, MPEG-DASH
• DRM integration

Engineering Leadership

• 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

We're looking for someone who is:

• 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.

We're an end-to-end provider of premium products and services for global sport and media operators. We push boundaries every day to offer the most reliable, scalable, engaging end-to-end offerings that continually meet and exceed fan expectations and maximise client value. Underpinned by data we're able to determine the best experiences to drive business growth. Deltatre provides strategy, planning, consultancy across all stages of our client's lifecycle. Position: Deltatre's backend team comprises of the most talented .NET professionals in the over-the-top (OTT) and digital industry - working for major sports organisations, 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.