Senior Backend Engineer

Our partner is a leading B2B iGaming supplier delivering engaging casino content to regulated markets worldwide. Since 2012, they've been building high-quality gaming experiences through a modern cloud-native platform that powers hundreds of operator brands across multiple jurisdictions.

Their Platform Solutions team sits at the heart of that ecosystem, enabling seamless integrations between the company, operators, aggregators and platform providers.

Our partner is looking for a Senior Backend Developer who thrives in a deeply hands-on environment and enjoys being close to the code on a daily basis. This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical.

You'll be working on complex, real-time challenges at the core of their platform improving latency, ensuring high availability, and making systems more efficient at scale. This is not a coordination-heavy role; it's for someone who enjoys writing production code, solving tough engineering problems, and seeing the direct impact of their work.

Main Responsibilities

Work as part of a cross-functional team owning a core product within the platform
Design, build, and deliver new backend features end-to-end in a distributed environment
Write high-quality, production-level code daily, contributing directly to a high-load, scalable system
Take ownership of services handling financial transactions at scale, with a strong focus on reliability
and accuracy
Proactively suggest and implement improvements in architecture, processes, and development
practices
Participate in code and architectural reviews to maintain high engineering standards
Solve complex business and technical challenges with pragmatic, efficient solutions
Participating in on-call rotations within the squad to ensure the reliability and availability of our
systems
Play an active role in ongoing tech transformation initiatives across the platform
Collaborate closely with engineers, product, and other stakeholders to deliver impactful solutions
used by millions globally

Mandatory Requirements

Solid experience with Node.js/TypeScript is ideal, but we also welcome experts in other OOP
languages such as Java, Python, C++, C#, or Go.
Strong understanding of asynchronous programming techniques
Experience with distributed systems and messaging systems (Apache Kafka, gRPC)
Knowledge of relational databases (MySQL, PostgreSQL), columnar databases (ClickHouse), and
NoSQL technologies (DynamoDB, MongoDB)
Skilled in developing and maintaining end-to-end and unit tests
Proven track record of developing production-ready solutions
Degree in Computer Science or related field

Nice to Have

Experience with large-scale microservices architecture.
Good ground knowledge of Kubernetes
Familiarity with cloud providers (especially AWS)
Understanding of application security and industry best practices
Understanding of enterprise development patterns
Active performance observation
Gambling domain experience

We offer

Competitive Salary
Quarterly Bonuses
Unlimited Paid Time Off
Unlimited Paid Sick Leave
Remote & Flexible Working
Private Medical Insurance
Financial Support for Life Events
Professional Development Budget
International Exposure
Regular Company Events