Principal Software Engineer

Will play a pivotal role in shaping a brand-new sports technology product from the ground up, influencing architecture, technology choices, and engineering direction. It is backend-focused, with responsibility for designing and building the backend services, APIs, and data pipelines that sit at the heart of the product. The engineer will work closely with frontend engineers, product teams, and data specialists, as well as collaborate with computer vision, machine learning, and data science teams.

• Design and develop backend services and APIs that support real-time data ingestion, transformation, and delivery.
• Build scalable, low-latency, high-throughput systems capable of handling demanding performance requirements.
• Own data architecture and pipeline design, including integration with streaming and event-driven technologies.
• Define and evolve API contracts that enable seamless collaboration across engineering teams.
• Work closely with frontend engineers to shape data structures, contracts, and technical approaches.
• Collaborate with computer vision, machine learning, and data science teams to integrate complex data workflows into the product.
• Contribute to key architectural decisions that will influence the long-term scalability, maintainability, and performance of the platform.
• Leverage AI-assisted and agentic development tools to accelerate delivery while applying strong engineering judgment and oversight.
• Provide technical leadership, mentorship, and guidance across the wider engineering organisation.

• Significant experience building production-grade backend systems using Java.
• Strong track record of developing low-latency, high-throughput applications.
• Experience designing and implementing distributed systems, event-driven architectures, and data pipelines.
• Knowledge of streaming technologies such as Kafka or similar platforms.
• Experience designing and evolving APIs in rapidly changing product environments.
• Working knowledge of modern frontend technologies such as React and TypeScript, enabling effective collaboration and technical oversight.
• Experience working with cloud infrastructure and modern identity and access management approaches.
• Strong experience using AI-assisted or agentic development tools to improve engineering productivity and delivery.
• Ability to navigate ambiguity and make sound technical decisions in an evolving product environment.
• Excellent stakeholder management and communication skills, with the ability to influence technical direction across multiple disciplines.
• Deep technical expertise combined with strong communication skills and a collaborative mindset.
• Ability to thrive in fast-moving environments and enjoyment in solving complex technical challenges.

• UK or Hungary (or as agreed)