Description
**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:**
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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.
**What you'll drive:**
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**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.
**What makes you a GR8 fit:**
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* 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.
**Why you'll love working here:**
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**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:**
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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.