Senior Java Developer

At Sky Czech Republic, we build the global streaming platform behind services like Peacock and Sky Showtime. Millions of users rely on it every day — Peacock alone reaches over 40 million viewers in the US.  

Our Prague tech hub is a key part of this global effort, working closely with teams in Lisbon, London, and New York. From frontend and backend development to platform engineering, video playback, CDN, and data, we push the boundaries of streaming technology at scale.  

What is the plot?  

We’re the Core Services team, here to make your streaming experience smooth and effortless. We manage access to content, the number of devices and streams, and ensure your shows play instantly. We remember where you left off, provide parental controls, and keep your content secure with all the necessary security checks in the background. In short, we take care of all the technical details so you can enjoy a hassle-free streaming experience.  

What role will you play?  

In this role, you'll lead the design and development of cutting-edge Java microservices, and champion Docker and Kubernetes. You will design and build reactive, non-blocking services using Spring WebFlux to handle high-concurrency workloads and improve application scalability and performance. We rely on you to share your expertise in training sessions, uphold top-tier software standards, and drive continuous improvement. Plus, you'll dive into research and technical initiatives that push the boundaries of our department's capabilities.  

Your daily tasks:  

• Lead the design, development, and testing of new and existing Java microservice applications.  

• Evangelize the use of container technologies such as Docker and Kubernetes to drive modern development practices.  

• Utilise pair-programming to collaborate effectively and improve code quality.  

• Mentor less experienced developers, fostering a culture of knowledge sharing.  

• Contribute to or lead training sessions to share knowledge with the team and wider department, including training workshops, proof-of-concept overviews, and lightning talks.  

• Maintain and refine software delivery principles and guidelines based on internal standards and industry best practices.  

• Strive for continuous improvement of systems, processes, and ways of working.  

• Participate in research and technical initiatives to enhance the department’s technical capabilities and drive innovation.  

• Be part of an on-call rota to provide 24/7 support for our components, ensuring high availability and rapid incident response.  

What skills do you need to play your role well?  

• Extensive system development knowledge in building scalable applications within Java.  

• In-depth experience working with REST APIs and NoSQL databases (e.g., Cassandra, AWS Keyspaces, Redis).  

• Strong understanding of message-driven systems, such Apache Kafka or ActiveMQ.  

• Hands-on experience with reactive programming (e.g., Spring WebFlux, Project Reactor) and a solid understanding of non-blocking I/O, backpressure, and asynchronous data flows is a strong plus. 

• Applied expertise in agile methodologies and software engineering practices, such as XP, Scrum, TDD, and BDD.  

• Experience with Pair Programming is an advantage. 

• Proficiency in configuration and build tools such as Jenkins/GitHub Actions, Gradle/Maven.  

• Familiarity with monitoring and logging tools such as Prometheus and Grafana.  

• Strong knowledge of design patterns and SOLID principles.  

• Hands-on experience in designing, building, and maintaining a CI/CD environment.  

• A collaborative mindset, with a willingness to work across teams and mentor others.  

• Professional experience with cloud platforms such as AWS or GCP, including deploying and managing cloud-based applications.  

How do you land the role?  

We like to keep our recruitment process simple, transparent, and respectful:  

• First touch: An open chat with one of our recruiters about your experience, goals, and motivation.  

• First interview: A conversation with your future managers or about the role and team.  

• Technical interview: A chance to demonstrate your skills on real-world problems, no trick questions.  

• Culture check: A casual lunch or coffee with the team. 

What can you expect in return?  

• Global Impact: Work in an international environment on cutting-edge technology that scales globally.  

• People-First Culture: We care about our people just as much as we care about the stability of our platform.  

• Performance Bonuses: Earn an annual bonus based on your performance.  

• Hybrid Work: Enjoy the best of both worlds with a mix of office and home working.  

• Work-Life Balance: Flexible working hours to help you balance work and life.  

• 25 days of holidays.  

• 5 days of on-demand leave (sick days).  

• 2 days of paid community volunteering leave.  

• 1 day of paid leave for moving house.  

• Wellbeing Allowance: 18,000 CZK per year to invest in your personal wellbeing.  

• Fitness Perks: Get a fully covered Multisport card or a 950 CZK monthly contribution to a Benefit Card.  

• Meal Allowance: 225 CZK per day to keep you fueled.  

• Premium Life Insurance: Enjoy peace of mind with our premium life insurance scheme.  

• Fun Perks: Free tickets to Universal Theme Parks.