Senior Backend Engineer (Core Team)
Playson · Remote · European Union · Ukraine ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Senior Backend Engineer
- Fully remote
- Node.js / TypeScript
- Kafka & gRPC
- High-load systems
Join the Core Team as a Senior Backend Developer to build and scale backend services for a high-load platform. You will write production code daily, solving complex engineering problems related to latency, availability, and efficiency.
This hands-on position involves owning core product features and ensuring system reliability at scale. It is ideal for engineers who prefer building and improving fast over coordination-heavy tasks.
What you'll do
- Design and deliver new backend features end-to-end in a distributed environment
- Write high-quality production code for scalable, high-load systems
- Own services handling financial transactions with focus on reliability
- Suggest and implement improvements in architecture and development practices
- Participate in code and architectural reviews to maintain standards
- Solve complex business and technical challenges with pragmatic solutions
- Join on-call rotations to ensure system reliability and availability
- Collaborate with engineers and product stakeholders to deliver global solutions
What you'll need
- Solid experience with Node.js/TypeScript or other OOP languages like Java, Go
- Strong understanding of asynchronous programming techniques
- Deep production experience with Kafka, including consumer-group rebalances
- Experience designing idempotent, retry-safe handlers for data pipelines
- Experience building services with gRPC or similar RPC frameworks
- Strong knowledge of MySQL or PostgreSQL and NoSQL like DynamoDB or Redis
- Hands-on experience running services on Kubernetes and AWS or GCP
- Production operations experience including incident response and root-cause analysis
Nice to have
- Experience with ClickHouse or other columnar analytical databases
- Experience with multi-region failover architectures and data replication
- Practical use of AI coding agents like Cursor or Claude Code
- Understanding of application security and industry best practices
- Previous experience in the gambling domain
Stack
- Node.js
- TypeScript
- Java
- Python
- C++
- C#
- Go
- Kafka
- gRPC
- MySQL
- PostgreSQL
- DynamoDB
- MongoDB
- Redis
- Kubernetes
- AWS
- GCP
- ClickHouse
How you'll work
- Fully remote and flexible working arrangements
- Participate in on-call rotations within the squad
What you get
- Competitive salary with quarterly bonuses
- Unlimited paid time off and sick leave
- Private medical insurance
- Financial support for life events
- Professional development budget
- International exposure and regular company events
Hiring process
- HR interview (30-45 minutes)
- Interview with Hiring Manager (45 minutes)
- Technical interview with live coding (90 minutes)
- Final Interview with C-level executive (60 minutes)