Backend Developer (Slot Games)

• Program Ace is not just a game developer that has been on the market for 15 years. We are creators of incredible virtual worlds spanning a wide range of genres and platforms. From exciting hyper-casual games to epic AAA projects, we rise to the top of the industry thanks to our inexhaustible creativity and ability to adapt to any challenge.

• Project: USA-based slot game platform with crypto payment and payout integration. Focus on both classic and experimental games for the real-money gaming market.
• Team: Full-cycle dev team: Frontend, BA, Game Designer, UI/UX, PM (client + Program-Ace team).
• Type: Full-time, Long-term Contract

• 3+ years of experience with backend development in Node.js, Go, Java, or Python.
• Solid understanding of REST APIs, authentication, session handling.
• Experience developing backend logic for games or simulations.
• Familiarity with slot math: RTP, volatility, hit rate, bonus logic, etc.
• Proficiency with PostgreSQL / MySQL and Redis / MongoDB. Experience with Docker, CI/CD, and scalable deployment practices.
• Understanding of backend security principles, fraud prevention and safe spin handling.
• Experience in real-money gaming / gambling development.
• Familiarity with RNG certification processes (GLI, iTech Labs).
• Portfolio of launched slot games or game logic systems.
• Knowledge of casino wallet APIs, session tokens, and user balance syncing.
• Tools or frameworks used for math model validation or performance profiling.

• Develop backend logic for slot games (reels, paylines, features, free spins, etc.).
• Implement or integrate Random Number Generators (RNG).
• Build REST APIs for frontend interaction.
• Handle game configurations (RTP, volatility, symbols, paylines).
• Integrate with casino platforms and wallets.
• Ensure session management, spin logging, and audit trails.
• Deliver technical documentation.

• Experience with Web3/NFT gaming projects.

• Opportunity to work in a leading company. Global Top 100 Outsourcing company according to IAOP (award based on client feedback on our services), Top AR/VR company according to Clutch;
• Among our clients: Supermassive Games, Flying Wild Hog, Epic Games, Unity Technologies;
• Over 30 years of history, impeccable reputation, and a powerful portfolio;
• Working with like-minded individuals who are passionate about their work.

• We offer a flexible work schedule coordinated with your manager.
• Remote work is available, allowing you to work from anywhere in Ukraine or the world.

• Introductory call with our recruiter;
• Test assignment;
• Interview with the Program-Ace team lead.

You can learn more about us on our DOU and LinkedIn.

No Discrimination
Program-Ace has no tolerance for discrimination – all employment decisions, including but not limited to recruitment, hiring, employment, upgrading, demotion, discipline, transfer or termination are to be made, and all applicants are employed, and all employees are treated during employment, without regard to their race, ethnicity, national origin, color, religion, marital status, pregnancy, nursing mother status, genetic information, sex, sexual orientation, gender identity, gender expression, medical condition, physical or mental disability, military or veteran status, or any other basis prohibited by law. If you feel you have been subject to discrimination, please report it promptly to your Manager and Human Resources at jobs@program-ace.com. Please get in touch with Human Resources for any specific questions or to voice any concerns.

Drug- and Alcohol-Free Workplace
Employees may not use, sell, possess, purchase, or transfer illegal drugs – or sell, transfer, or distribute personal prescription legal drugs – on Program-Ace premises, in Program-Ace vehicles or during work hours. Employees may not be under the influence of any substance during work hours that impairs their ability to work safely or creates a risk to their safety, the safety of others, or Program-Ace property. Employees are not permitted to drink, or be under the influence of, alcohol during work hours or on Program-Ace premises with one exception: if they are of legal drinking age, they may drink alcohol at company-sponsored events approved by a Senior Manager. Please be aware that in case of any violation of such prohibition, an employee may be held disciplinary, administratively, and criminally liable. Please get in touch with Human Resources at jobs@program-ace.com for any specific questions regarding the drug- and alcohol-free awareness program, if you need any assistance or rehabilitation, or to voice any concerns.