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Staff Software Engineer - Social Gaming

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.

  • 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.

What this application asks

recruitee

Full name, Email, CV, Cover letter, Phone

  • Do you have at least 5 years of experience in a Software Development? yes / no
  • Do you have experience building large-scale production systems? yes / no
  • Do you have hands-on experience with Node.js or PHP? yes / no
  • Have you worked with React or Next.js? yes / no
  • Have you worked on real-time systems or gaming-related products? yes / no
  • Do you have experience with WebSockets, Pub/Sub, or SSE? yes / no
  • Have you worked with Domain-Driven Design (DDD)? yes / no
  • What is your salary expectation in EUR/month?
  • Are you currently based in Slovakia? yes / no

See also

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