Principal software engineer

Playson Limited

Job Overview

Location

European Union

Job Type

Full-time

Full Job Description

📋 Description

• Lead technical decision-making and architect high-load, microservices-based gaming platforms while remaining deeply hands-on with production code daily.
• Design, develop, and maintain scalable backend services that directly power gaming products, ensuring high performance, reliability, and scalability in high-throughput environments.
• Take full ownership of complex backend systems—from initial technical design through delivery, monitoring, optimization, and ongoing production support.
• Collaborate closely with Product Owners, engineers, and cross-functional teams to deliver features end-to-end with technical precision and alignment to business goals.
• Drive and actively participate in code reviews, enforcing high standards for clean, maintainable, efficient, and production-ready code across the team.
• Conduct architectural reviews and guide engineering teams toward practical, scalable, and sustainable long-term technical solutions.
• Solve complex business and technical problems using a pragmatic engineering mindset, balancing innovation with operational stability.
• Act as a technical role model by demonstrating strong ownership, discipline, and engineering excellence in daily work and decision-making.
• Mentor junior and mid-level engineers through daily collaboration, technical discussions, and hands-on pairing, without transitioning into people management.
• Participate in on-call rotations within the squad to ensure system reliability, rapid incident response, and high availability of production services.
• Continuously improve system performance, latency, and reliability through proactive optimization, observability, and data-driven analysis.
• Write and maintain comprehensive unit tests, integration tests, and end-to-end tests to ensure code quality and system resilience.
• Build and evolve backend services using asynchronous programming and event-driven architecture patterns to handle high concurrency and real-time gaming workloads.
• Work with relational databases such as MySQL and PostgreSQL, as well as columnar databases like ClickHouse and NoSQL systems such as DynamoDB or MongoDB.
• Engage with distributed systems and messaging technologies including Apache Kafka and gRPC to enable scalable, decoupled service communication.
• Grow into a technical leadership role while maintaining direct contribution to code, system ownership, and delivery timelines.
• Ensure adherence to industry best practices in application security, enterprise development patterns, and production system health.
• Contribute to international team efforts through remote collaboration, attending global meet-ups, and participating in industry expos.

🎯 Requirements

• Strong hands-on backend engineering experience with a proven record of writing production code on a daily basis.
• Solid experience with Node.js and TypeScript; strong expertise in other OOP languages such as Java, Python, C++, C#, or Go may also be considered.
• Strong understanding of asynchronous programming and event-driven architecture.
• Practical experience with distributed systems and messaging technologies such as Apache Kafka and gRPC.
• Experience working with relational databases such as MySQL or PostgreSQL and NoSQL/columnar databases like ClickHouse, DynamoDB, or MongoDB.
• Proven ability to design, build, test, deploy, and maintain production-ready backend services in high-load, business-critical environments.

🏖️ Benefits

• Competitive Salary with annual performance reviews.
• Quarterly Bonuses through a transparent and systematic system.
• Unlimited Paid Vacation, including Ukrainian bank holidays.
• Unlimited Paid Sick Leave.
• Flexible Work Schedule.
• Remote Work option.
• Comprehensive Medical Insurance for employee and a significant other.
• Financial Support for special life events.
• Reimbursement for professional development courses and training.
• International Exposure through industry expos, team gatherings, and global meet-ups.

Skills & Technologies

Python

JavaScript

TypeScript

Java

Senior

Remote

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Playson Limited

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About Playson Limited

Malta-based iGaming supplier developing online casino games, including video slots, table games and promotional tools for regulated markets. Established in 2012, the company delivers HTML5 titles integrated via single API, supports 20+ languages and 25+ currencies, and holds licenses from Malta Gaming Authority, UK Gambling Commission and others. Clients include tier-one operators across Europe and Latin America. Products emphasize math-driven mechanics, certified RNGs and responsible-gaming compliance, while back-office analytics give operators real-time data and bonus management.

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