Senior Full-Stack .NET Engineer (with Node.js & Go)

Location: Anywhere (Hybrid Remote)

About the Position

GR8_TECH builds B2B iGaming platforms for operators who play to lead. We deliver full-cycle, high-impact tech designed to scale - from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions.

With 1000+ GR8 people across locations and time zones, we don’t just ship technology - we help operators build success stories across brands, markets, and geos.

Our ambition drives us. Our people make it real.

If you’re a challenger in spirit and a champion in action - join us.

Why this role exists:

As a Senior Full-Stack.NET Engineer, you will play a critical role in designing, developing, and maintaining enterprise-level applications across our backend stack based on .NET, Node.js, Go and related technologies. You will lead technical discussions, mentor junior team members, and collaborate with cross-functional teams to deliver scalable and robust software solutions that meet business requirements and industry standards. This role offers the opportunity to make a significant impact, shape product direction, and contribute to the growth and success of the team.

Responsibilities

• Architecture & Execution

  • Design and implement scalable, efficient, and secure enterprise-level software architectures across our .NET stack.
  • Write, test, and debug complex code for high-load systems with strict latency and reliability requirements.
  • Deliver clean code to production in a timely manner, balancing business speed with technical excellence.
  • Identify and eliminate performance bottlenecks across CPU, memory, I/O, and database layers.

• Engineering Quality & Observability

  • Conduct thorough code reviews to enforce strict code quality, security, and industry best practices.
  • Develop and enforce testing protocols to guarantee software reliability and flawless production performance.
  • Implement and monitor production observability frameworks, including logging, metrics, monitoring, and distributed tracing.
  • Create and maintain concise, meaningful technical documentation for system designs and architecture.

• Collaboration & Leadership

  • Provide guidance and mentorship to junior and mid-level engineers, actively fostering their technical growth.
  • Partner with Delivery Managers to lead and manage software development projects, ensuring predictable, high-quality delivery.
  • Collaborate closely with product management, design, and operations teams to align technical execution with business goals.
  • Communicate effectively with stakeholders, translating complex technical concepts into clear project updates.

Requirements

• Minimum 5 years of experience in a similar senior engineering role with a track record of leadership, strong technical skills, and successful project delivery.
• Deep hands-on expertise in C# and .NET (Core /.NET 6+).
• Commercial experience or a strong willingness to learn and work with Golang and Node.js.
• Experience designing and evolving high-load backend systems with strict latency and reliability requirements.
• Experience working REST API and web services.
• Strong understanding of async/await, multithreading, thread safety, memory management, and performance optimization.
• Ability to identify and eliminate performance bottlenecks across CPU, memory, I/O, and database layers.
• Experience designing and operating microservice-based systems.
• Experience working with relational and non-relational databases.
• Understanding of transactions, isolation levels, locking, concurrency, indexing strategies, and performance tuning.
• Experience working with containerized environments including Docker and Kubernetes.
• Understanding of CI/CD pipelines and automated delivery.
• Understanding of scalability, load balancing, auto-scaling, and disaster recovery.
• Understanding of production observability including logging, metrics, monitoring, and tracing.
• Intermediate+ English level.

We Offer

• Benefits Cafeteria - annual budget you allocate to: Sports • Medical • Mental health • Home office • Languages.
• Paid maternity/paternity leave + monthly childcare allowance.
• 20+ vacation days, unlimited sick leave, emergency time off.
• Remote-first + tech support + coworking compensation.
• Team events (online/offline/offsite).
• Learning culture with internal courses + growth programs.

About the Company

At GR8 Tech, you're a vital part of a groundbreaking community in the iGaming industry. Join Us.

Do Great Work.

Apply now

Get Ready for GR8 Benefits!

Working at GR8 Tech means being part of a winning team. In addition to vacancies and jobs, we offer our employees a comprehensive benefits package designed to keep them in top form professionally and personally.

• Childcare Support: Payment for courses, education, and childcare within the budget to support the child's development.
• Corporate Life Insurance: Work in a company where we provide robust corporate life insurance, so you and your loved ones have peace of mind, whatever twists and turns life may take.
• Benefit Cafeteria: Health and Wellness Coverage, Fitness Compensation, Home Workspace Organization.
• Professional Growth Opportunities: Educational events, Participation in tech and business conferences, Assistance in publishing articles in leading specialized publications and blogs.
• Time Off and Special Leaves: Vacation and additional special days, Sick leaves, Emergency leave, Public Holidays, Maternity/Paternity leave.
• Relocation Boost: Embark on a new professional journey with our relocation program! We're here to support you every step of the way.

Want to explore more?

• Media: Stay up-to-date with our press releases and media coverage. Discover the latest news and updates about GR8 Tech!
• Events: Keep informed with the latest iGaming events and conferences. Mark your calendars and be part of the conversations driving iGaming forward!

Solutions

• Hyper Turnkey
• Crypto Turnkey
• Light White Label
• GR8 Sportsbook
• Infinite Casino Aggregation

Platform

• GR8 Tech Platform
• GR8 Tech AI
• Sportsbook
• Sportsbook iFrame
• Sportsbook API
• Casino
• CRM
• Payments Gateway
• PAM
• CMS
• Affiliate platform

Company

• Careers
• Events
• Media
• Success Stories
• Newsroom

Resources

• Blog
• Guides
• Video Tutorials
• Glossary
• Sports Catalog
• Casino Providers Catalog
• Casino Games Catalog
• Knowledge Hub
• Acceler8 Lab

Contacts

• [email protected]
• Spyrou Kyprianou Ave 120, Limassol, Cyprus

GR8 Tech operates solely as a B2B software service provider within the iGaming industry, and as such, does not offer or operate direct gambling services to consumers on this website.

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