GameChanger

Senior Applied Machine Learning Engineer, II

Senior HR Business Partner (Non-Tech)

Senior Android Engineer, App Platform

Senior Manager, Strategic Insights & Market Research

GameChanger believes in the life-changing impact of youth sports, fostering leadership, teamwork, and confidence. They aim to be the best platform for youth sports moments, supporting coaches, parents, and volunteers. The Computer Vision Platform team builds and operates real-time inference infrastructure for CV-powered experiences. This role involves partnering with researchers to productionize models, optimize performance, and evolve the platform by identifying and building new capabilities.

About GameChanger:We believe in the life changing impact youth sports have on and off the field. Sports encourage leadership, teamwork, responsibility, and confidence – important life lessons that have the power to propel our youth toward meaningful futures. We recognize that without coaches, parents, and volunteers, organized youth sports could not exist. By building the first and best place to experience the youth sports moments important to our community, we are helping families elevate the next generation through youth sports.So if you love sports and their community building potential, or building cool products is your sport, GameChanger is the team for you. We are a remote first, dynamic tech company based in New York City, and we are solving some of the biggest challenges in youth sports today.The Position:The Computer Vision Platform team at GameChanger builds and operates the real-time inference infrastructure that delivers CV-powered experiences to millions of users every weekend. You'll partner directly with researchers to shape their models and code for production, steer them toward existing platform capabilities, and collaborate with MLOps engineers to evolve infrastructure where gaps exist. You'll also influence the technical direction of the platform itself, identifying which capabilities to build next based on patterns you see across research efforts. You'll report directly to the Engineering Manager, CV Platform.What You'll Do:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Work directly with CV researchers to understand their goals, review their code, and engineer it for reliability and performance at scale.</li><li class="leading-relaxed">Profile and optimize performance-sensitive code across both training and real-time inference.</li><li class="leading-relaxed">Identify patterns across research efforts and propose standardized, composable abstractions.</li><li class="leading-relaxed">Collaborate with MLOps and backend engineers to translate recurring research pain points into platform investments through design documents and architecture proposals.</li><li class="leading-relaxed">Guide researchers toward production-oriented engineering practices regarding testability, modularity, and performance profiling.</li></ul>Who You Are:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">6+ years of software engineering experience, with 4+ years working on ML systems.</li><li class="leading-relaxed">Experience working on production ML systems. Our team uses Python and PyTorch, Docker for containerization, and deploys on AWS.</li><li class="leading-relaxed">Experience with data-intensive distributed systems, including optimizing I/O, GPU utilization, and parallel processing.</li><li class="leading-relaxed">Experience working directly with researchers or research teams to take their prototypes and deliver production systems that are performant, reliable, and maintainable.</li><li class="leading-relaxed">Experience building internal libraries, tools, or platforms that other engineers depend on.</li></ul>Perks:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Work remotely throughout the US* or from our well-furnished, modern office in Manhattan, NY.</li><li class="leading-relaxed">Unlimited vacation policy.</li><li class="leading-relaxed">Paid volunteer opportunities.</li><li class="leading-relaxed">Technology stipend - $4,000 every 2 years after your start to make sure you have the latest and greatest technology.</li><li class="leading-relaxed">WFH stipend - $500 annually to make your WFH situation comfortable.</li><li class="leading-relaxed">Monthly physical, mental, wellness & learning stipend offered through Holisticly.</li><li class="leading-relaxed">Monthly lifestyle stipend offered through Fringe.</li><li class="leading-relaxed">Full health benefits - medical, dental, vision, prescription, FSA, HRA, HSA, and coverage for family/dependents.</li><li class="leading-relaxed">Retirement savings - Traditional and Roth 401K plans are offered through Vanguard, with an immediate company match.</li><li class="leading-relaxed">Life insurance - basic life, supplemental life, and dependent life.</li><li class="leading-relaxed">Disability leave - short-term disability and long-term disability.</li><li class="leading-relaxed">Company paid parental leave - up to 20 weeks for birthing parents and up to 12 weeks for non-birthing parents.</li><li class="leading-relaxed">Family building benefits offered through Progyny.</li><li class="leading-relaxed">DICK'S Sporting Goods and their family of brands teammate discount.</li></ul>The target salary range for this position is between ( $180,000 and $200,000) This is part of a total compensation package that includes incentive, equity, and benefits for eligible roles. Individual pay may vary from the target range and is determined by several factors including experience, internal pay equity, and other relevant business considerations. We constantly review all teammate pay to ensure a great compensation package that is fair and equal across the board.

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Pixel Federation is seeking a skilled Unity Programmer for its Marketing department to create playable video ads—short mini-games for interactive advertisements. The role involves adding game mechanics and functionalities based on design documents, collaborating closely with game designers, testers, and artists to deliver the best possible gaming experience for millions of players worldwide. This is an opportunity to join the largest game studio in Slovakia and see your work reach a global audience.

Home of unique puzzle &amp; tycoon mobile games, played by millions, developed with passion, from players to players.We are an independent game developer and publisher from Bratislava, Slovakia, where brain and creative businesses are flourishing and the gaming scene is about to emerge to its full potential.We’re on the right track and constantly looking for passion-driven talents! So if you’re looking for a job that offers you an inspiring environment, ownership, and independence, don't hesitate and join the Pixel side, we are fun!Our biggest hits include Diggy’s Adventure, TrainStation 2, and Puzzle Adventure. Plus we are always baking some new exciting projects behind the scenes.

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<h1 class="text-3xl md:text-4xl font-extrabold mt-6 mb-4 text-gray-900 tracking-tight">Playables Programmer (Unity)</h1>Full-timeBratislavafrom 2500 € + 13th salaryApplyWe are looking for a skilled Unity programmer for Marketing to strengthen our team! Do you want to become part of the largest game studio in Slovakia? Do you want your work to be seen by millions of players around the world? If so, read on!<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What will be your role</h2>Your responsibility as a Unity programmer in our Marketing department will be:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">creating “playable video ads”, short mini-games that we will use in interactive advertisements for our games</li><li class="leading-relaxed">adding game mechanics and functionalities based on the design document</li><li class="leading-relaxed">you will closely cooperate with game designers, testers and artists and together you will try to bring our players the best possible gaming experience</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Benefits</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Health contribution: Regular annual health check-up, contributions to fitness, Multisport card, massages directly at the workplace and mental health support programs</li><li class="leading-relaxed">Flexibility and possibility of home office: We are not remote or hybrid, but we believe in freedom and responsibility. When you need home office, we will agree - results are what matters</li><li class="leading-relaxed">Professional education: Participation in trainings, workshops and conferences, both local and international</li><li class="leading-relaxed">Language courses: 1:1 courses in English, German, Spanish, French or Italian directly in the company</li><li class="leading-relaxed">Coaching and personal growth: Possibility of consultations with an internal coach to improve communication and personal development</li><li class="leading-relaxed">Relax and teambuilding: Chillout zone with darts, table football, ping-pong, consoles for playing games and regular teambuilding events</li><li class="leading-relaxed">Friendly and informal company culture: Supportive and innovative environment where we don't pretend - except for games 😊 We value openness, honesty and the opinion of each of us.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you need for this position</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">you are curious, you like to analyze and explore things, you are proactive, you work as a team</li><li class="leading-relaxed">you take challenging problems as a challenge, you are flexible and you can adapt to project requirements</li><li class="leading-relaxed">Unity is nothing new to you</li><li class="leading-relaxed">you have experience with C# language, dependency injection frameworks and Unity API</li><li class="leading-relaxed">you have knowledge of design patterns</li><li class="leading-relaxed">you have experience with game development, ideally with mobile games</li><li class="leading-relaxed">you have knowledge of GIT or other version system</li><li class="leading-relaxed">you have knowledge of 3D mathematical vector algebra, goniometry and matrices</li></ul>You will get bonus points for:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">experience with cooperation on a project, ideally a team of at least 3 programmers</li><li class="leading-relaxed">experience with GPU programming, shaders (CG/GLSL)</li><li class="leading-relaxed">experience with 3rd Party API (Firebase, Facebook, Ironsource...)</li><li class="leading-relaxed">experience with game optimization and profiling</li><li class="leading-relaxed">experience with other 2D/3D software (Photoshop, 3DSMax, Maya…)</li><li class="leading-relaxed">experience with ticketing tools (Jira, Redmine…)</li><li class="leading-relaxed">experience with another game engine (e.g. Unreal)</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Information about the selection process</h2>ARE YOU INTERESTED?Great! Send us your CV and if you have, also:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">a code sample, or</li><li class="leading-relaxed">a link to a project you worked on,</li><li class="leading-relaxed">or anything else where we can see your work</li></ul>(If you are bound by NDA or have nothing, feel free to explain it to us, we will figure something out together.)<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">WHO WE ARE</h2>We are Pixel Federation, a team of enthusiastic players and developers. For 18 years, we have been bringing joy to players around the world through games like TrainStation 2, TrainStation 3 and Diggy’s Adventure. We are the largest Slovak game studio and also an independent self-publishing studio that does things its own way and believes that games can bring not only fun, but also meaning.👉 If you feel that this is a role where you can leave your mark, let us know.❤️ Our values (GAMES):Get Shit Done – we solve effectively and improve every day.Asshole Don’t Be – respect, trust, no egos.Master Your Craft – we learn, we try, we push boundaries.Enjoy Your Work – we do what we enjoy.Speak Your Mind – we speak openly, we listen sincerely.Apply<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Mariana Capkovicova</h3>People Business Partnermcapkovicova@pixelfederation.com

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.

Senior Applied Machine Learning Engineer, II

Senior HR Business Partner (Non-Tech)

Senior Android Engineer, App Platform

Senior Manager, Strategic Insights & Market Research

Job Details