Big Blue Marble builds advanced, reliable video streaming solutions for the internet. We develop and run our own production ready platform, trusted by clients worldwide and used by millions of viewers to watch live TV, movies, series, and VOD across devices, from phones and tablets to computers and TVs.We are a team of specialists working across product and technology groups, focused on continuously improving the platform and delivering high impact features that respond to real user needs. With a stable, well designed architecture, we can invest our time in building and refining what matters most. We value ownership, transparency, and collaboration - and we give you the tools and space to do your best work. Our office is in Poznań, but we work with people from anywhere in the world.Our tech stack:C#.NET MAUIAndroid SDKRealmAutofacYour responsibilities:Build and evolve our mobile applications, from delivering new features to improving performance, stability, and overall user experience.Collaborate closely with frontend, backend, design, and QA teams to turn ideas into well-executed releases, ensuring mobile is part of the decision-making process from day one.Participate in code reviews by providing clear, constructive feedback while maintaining high quality standards with a pragmatic approach.Take ownership of code quality: write clean, testable, and maintainable code, refactor existing modules, and follow proven engineering practices.Contribute to the development of our mobile best practices within the Mobile Chapter: share knowledge, suggest improvements, support teammates, and help shape standards, tooling, and technical direction.Our requirements:At least 2 years of commercial experience in mobile development (.NET MAUI).Very good knowledge of C#.Solid understanding of MVVM, Dependency Injection, Clean Architecture, and SOLID principles.Experience working with REST APIs and mobile data persistence solutions (e.g. Realm).Practical knowledge of Git and experience working with version control in a team environment.Analytical mindset and strong problem-solving skills, with a willingness to continuously learn and improve.Communicative English skills (minimum B2).Commitment, openness, and a positive attitude 🙂What you’ll get in return:compensation in the range of 6 700 - 10 700 PLN net B2Bfully remote work with flexible working hoursone full day per sprint for learning and developmentMyBenefit platform funds (that you can use to buy a MultiSport card or other cool services)a choice to join our group health insuranceaccess the wellbeing platform Mindgram that helps you stay in a good mental shapeaccess to the language learning platform Tutlocompany-wide quarterly meetings (when we head out together, sum up the quarter, have fun, and enjoy spending time as a team),optional (bun fun!) team activities, like joint mountain trekking trips, St. Nicolas Day event for kids, board game nights, and more.a welcoming office in the very heart of Poznań, if you prefer to work on-site.If you’d like to join our team, leave your CV below. We’d be happy to get in touch with you!Recruitment process:Interview with People Operations Specialist - a 30-minute online meeting to get to know each other better,Recruitment task,Interview with the Chapter leader and the People Operations Specialist - a more in-depth conversation about the role and mutual expectations, lasting about 1 hour.You can count on our feedback after each stage to ensure the process is as transparent and valuable as possible.