Middle .NET Developer for CRM

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

This role exists to design, develop, and maintain .NET applications for CRM, ensuring software quality, resilience, and alignment with stakeholder requirements.

What you’ll drive

Application development & maintenance

• Design, develop, and maintain .NET applications, ensuring high-quality software solutions.

• Implement observability and monitoring through logging and instrumentation.

Collaboration & mentoring

• Work independently or in a team, adhering to coding standards and best practices.

• Mentor junior developers and participate in technical discussions.

Process improvement & system resilience

• Improve software development processes and ensure system resilience.

• Elicit, analyze, and document software requirements from stakeholders.

What makes you a GR8 fit

Must-have

• 2+ years of relevant experience.

• Understanding microservice and monolith architectures, their advantages, and drawbacks.

• Ability to design event-driven systems and resilient architectures.

• Familiarity with architectural patterns, resilience strategies, and designing for failure.

• Strong analytical skills in gathering and documenting software requirements.

• Understanding of functional and non-functional requirements.

• Knowledge of connection pooling, rate-limiter, circuit breaker, and bulkhead patterns.

• Understanding relational and non-relational databases (key-value and object-oriented).

• Proficiency in writing SQL queries and designing relational database models.

• Knowledge of normalization/de-normalization strategies and primary/foreign key relationships.

• Familiarity with database security best practices (access controls, encryption, SQL injection prevention).

• C# programming: strong knowledge of object-oriented design, LINQ, asynchronous programming, dependency injection, and .NET framework libraries.

• Web API development: proficiency in ASP.NET Core for architecting scalable RESTful services, performance optimization, and cloud integrations.

• Database expertise: advanced SQL optimization, schema design, performance tuning, indexing strategies, and PostgreSQL.

• Message brokers: experience with Kafka, including architecture, producer/consumer APIs, and stream processing in microservices.

• Debugging & optimization: advanced skills in profiling, identifying, and resolving performance bottlenecks.

• Unit testing & TDD: experience with xUnit and test-driven development to ensure code quality.

• Microservices architecture: proficiency in ASP.NET Core, Docker, Kubernetes, and applying patterns like service discovery, circuit breakers, event sourcing, and CQRS.

• Observability & monitoring: implementing logging, instrumentation, and monitoring tools like Serilog for system health and troubleshooting.

Why you’ll love working here: 

Benefits Cafeteria — annual budget you allocate to:

Sports • Medical • Mental health • Home office • Languages.

Work-life & support

• 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.

Our culture & core values:

GR8 Tech culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back.

FUELLED BY TRUST: we’re open, honest, and have each other’s backs.

OWN YOUR GAME: we take initiative and own what we do.

ACCELER8: we move fast, focus smart, and keep it simple.

CHALLENGE ACCEPTED: we grow through challenges and stay curious.

BULLETPROOF: we’re resilient, ready, and always have a plan.