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Backend Developer (Node.js)

1 month ago
Poland
Full-time
Lead
Backend Engineer
Software Development
AWS CI/CD Docker Fastify Git Grafana Jest Kafka Kubernetes Laravel Microservices MongoDB NestJS Node.js PHP PostgreSQL RabbitMQ Redis Socket.io SQL TypeScript WebSockets
Apply Now

VIONICA LIMITED

VIONICA LIMITED presents itself as a specialized IT company providing custom software development, web page design, system integration, IT consulting, software maintenance/support, and other technical solutions tailored to business needs.

IT services
Founded 2025
View All Jobs 5

Description

  • Own and drive the backend direction as one of the key technical leaders.
  • Design and implement new game mechanics on top of the existing platform and contribute to core gameplay engine development.
  • Architect scalable, secure, and high-performance backend services using Node.js and TypeScript.
  • Collaborate with Game Logic, Frontend, and DevOps teams to ensure seamless integrations, real-time performance, and platform-wide consistency.
  • Define backend engineering standards and enforce best practices across code quality, architecture, and performance.
  • Design and maintain backend infrastructure, including schemas, caching, messaging flows, microservices, and gateways.
  • Participate in roadmap planning, technical decision-making, and architectural discussions as the platform evolves.
  • Support a rapidly growing product and engineering environment during scaling.
  • Build and optimize high-performance APIs, async flows, caching strategies, and scalable architectures.

Requirements

  • 5+ years of backend development experience, including ownership of complex systems or features.
  • Strong expertise with Node.js and TypeScript, plus modern frameworks such as Fastify or Nest.js.
  • Advanced knowledge of SQL and NoSQL databases, including PostgreSQL, MongoDB, and Redis.
  • Solid experience with message brokers such as RabbitMQ or Kafka and queue-based, event-driven design patterns.
  • Deep understanding of distributed systems, microservices, and real-time communication technologies such as WebSocket and Socket.io.
  • Experience with CI/CD, Git, automated testing with Jest, and monitoring/observability tools such as Grafana, Loki, and Tempo.
  • Knowledge of PHP/Laravel or experience with other backend ecosystems is a plus.
  • Familiarity with AWS, Docker, Kubernetes, and containerized deployments is a plus.
  • Experience with RNG, platform integrations, or the iGaming ecosystem is a plus.

Benefits

  • 21 vacation days plus 5 extra days off annually.
  • 12 paid sick days.
  • Fully remote work from anywhere.
  • Flexible schedule with start time between 08:00 and 12:00 CET.
  • Fixed budget for health insurance and gym or fitness expenses.
  • All required work equipment provided.
  • Direct communication with founders and C-level, with minimal bureaucracy.
  • Minimal meetings and an async-friendly workflow.
  • Business trips and team meetups several times per year.
  • Multiple salary payout options.
  • Additional perks unlocked after break-even.

Interested in this position?

Apply directly on the company website

Apply Now

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