Staff Software Engineer - Social Gaming

Role Summary

At TechBiz Global , we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Staff Software Engineer to join one of our clients ' team. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.

We are looking for a highly skilled Staff Software Engineer to help shape the technical foundation of a fast-growing product within the social gaming industry. This role is ideal for someone passionate about building scalable backend systems, solving complex engineering challenges, and driving technical excellence in a high-performance environment.

You will play a key role in designing and implementing the architecture behind real-time tournament systems, ensuring reliability, scalability, security, and outstanding performance for a global user base.

Responsibilities

• Design and implement scalable, maintainable, observable, and high-performing application architecture.
• Develop clean, efficient, and well-documented code following engineering best practices.
• Contribute to architecture decisions, code reviews, and technical standards across the engineering team.
• Identify and optimize system performance bottlenecks.
• Collaborate closely with engineers, product managers, and designers to deliver impactful features.
• Ensure application security and implement safeguards against vulnerabilities.
• Apply modern software engineering principles including Domain-Driven Design (DDD), SOLID, and GRASP.

Requirements

• Proven experience building and delivering large-scale production systems.
• Strong understanding of Domain-Driven Design, API-first architecture, and software design patterns.
• Strong proficiency in JavaScript (React/Next.js) or another backend language, ideally Node.js or PHP.
• Experience with Pub/Sub systems, WebSockets, and Server-Sent Events (SSE).
• Experience working with scalable backend and platform architecture.
• Product engineering mindset with the ability to translate business requirements into technical solutions and deliver features end-to-end.
• Strong problem-solving skills and ability to thrive in fast-paced environments.
• Nice to Have
• Experience with MySQL.
• Experience building white-label products.
• Background in real-time systems or gaming-related platforms.
• What’s Offered

Competitive salary

• Flexible working environment supporting work-life balance.
• Opportunities for professional growth and development.
• International team-building events and company gatherings.
• Collaborative environment with highly skilled professionals.
• Inclusive and diverse workplace culture that values different perspectives and experiences.
• Highlights
• Remote job from Slovakia