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Senior Back-End Developer

Singular is an international iGaming software provider, part of Flutter International, providing platform solutions for sports betting and gaming industry.
Belgrade, Serbia
Backend
Senior Software Engineer
Hybrid
5,000+ Employees
5+ years of experience
Gaming · Enterprise SaaS

Description For Senior Back-End Developer

Singular, a part of Flutter International, is seeking a Senior Back-End Developer to join their team in Tbilisi, Georgia. This role offers an exciting opportunity to work on scalable backend applications and services using Node.js within the iGaming software industry. The position combines technical leadership with hands-on development, requiring expertise in TypeScript, microservices architecture, and API development. The ideal candidate will have 5+ years of experience and will contribute to mentoring team members while shaping backend architecture. The company offers a hybrid work environment, combining remote work flexibility with modern office facilities. As part of Flutter International, a global leader in sports betting and iGaming, the role provides exposure to large-scale operations across 100+ markets. The comprehensive benefits package includes health insurance, parental leave, and various performance-based rewards. The position emphasizes both technical excellence and leadership capabilities, making it ideal for senior developers looking to make a significant impact in a growing international company.

Last updated 7 days ago

Responsibilities For Senior Back-End Developer

  • Lead and participate in technical design discussions and decision-making
  • Mentor and guide junior and mid-level developers within the team
  • Develop and maintain scalable backend services and APIs using Node.js
  • Design and implement RESTful APIs and work with real-time technologies
  • Collaborate with other squads, DevOps engineers, and stakeholders
  • Integrate with databases and third-party services
  • Debug, troubleshoot, and optimize backend services
  • Contribute to documentation and architectural decisions
  • Participate in peer code reviews

Requirements For Senior Back-End Developer

Node.js
TypeScript
PostgreSQL
MongoDB
Redis
Kubernetes
  • 5+ years of professional experience in development with Node.js focus
  • Strong hands-on experience with modern TypeScript Node.js development
  • Experience with Git and collaborative workflows
  • Experience with testing frameworks (Jest, Mocha, Supertest)
  • Knowledge of microservice architecture and distributed systems
  • Proficiency in relational and non-relational databases
  • Understanding of authentication and authorization mechanisms
  • Experience with CI/CD pipelines and containerization
  • Proficient in written and verbal English communication
  • Strong decision-making and leadership abilities

Benefits For Senior Back-End Developer

Medical Insurance
Parental Leave
Mental Health Assistance
  • Generous annual leave
  • Private health insurance
  • Paid sick leave
  • Paid maternity & paternity leave
  • Family reward of €1000
  • Performance & referral bonuses
  • Team morale budget
  • Loyalty award
  • Hybrid work arrangement

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