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Senior Backend Engineer (Boosters)

Playson · Europe

RemoteSeniorPosted 14 Sept 2026

What this role requires

4 requirements, read out of the advert rather than guessed from the job title:

Also mentioned, not required: C#, Java, MongoDB, DynamoDB, RabbitMQ, NATS, Kubernetes, AWS, Azure, GCP, Microservices, gRPC. Worth having, but their absence is not what gets a CV filtered out.

See how often each of these is required across open backend roles in Europe.

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Job description

About the Role

Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and you have a fast "PoC first" approach with a deep sense of ownership, we would love to hear from you.

Key Responsibilities

Develop and maintain robust backend systems for our promotional features.

Optimize existing systems for enhanced performance and scalability.

Lead technical decisions and contribute to our SaaS solutions.

Read the full description (41 more sections)

Collaborate with distributed teams to innovate and implement new features.

Ensure code and architectural excellence through reviews.

Address complex technical challenges with innovative solutions.

Participating in on-call rotations within the squad to help ensure the reliability and availability of our systems.

Requirments

Strong proficiency in Node.js and TypeScript (our primary backend stack). We’re also open to strong backend engineers from other ecosystems (e.g., Go, Java, C#, C++) who are ready to ramp up quickly.

Strong understanding of asynchronous programming and concurrency patterns.

Experience building distributed systems and working with messaging and coordination tools (e.g., Kafka, RabbitMQ, NATS, distributed locks).

Experience with gRPC in production environments.

Solid knowledge of databases: relational (MySQL, PostgreSQL), columnar (ClickHouse), and NoSQL (DynamoDB, MongoDB).

Experience with cloud platforms (AWS/GCP/Azure) and Kubernetes.

Skilled in building and maintaining unit and end-to-end tests.

Proven track record of delivering production-ready solutions.

Experience working with large-scale microservices architectures.

Degree in Computer Science or a related field (or equivalent practical experience).

Nice to Have

Understanding of enterprise development patterns

Experienced with large-scale microservices architecture

Experience with cloud providers (AWS, GCP, etc.)

Active performance observation

Gambling domain experience

Understanding of application security and industry standards, its best practice

What 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

*Benefits may vary depending on location and contractual agreement

Recruitment Process

HR interview

Technical interview (with Live coding)

Final interview

Please take into account that sometimes the process may differ, your TA Partner will keep you updated.

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