Middle Full-Stack Developer

OpenTag is an International company within the field of Sports Betting and Gaming.

Our mission
is to create a great sports betting platform through empowered teams centralized around our product.

Together we are creating a fantastic sports betting platform using cutting-edge technologies like Micro Frontends, Microservices, Layered architecture, Multitenancy, Monorepo, and Code Federation. You will work in a cross-functional Scrum team together with other Developers, QAs, PO and Technical PM.

  • 3+ years of professional experience
  • ReactJS, TypeScript, NodeJS, PostgreSQL, TypeORM, Apollo GraphQL
  • Experience with NextJS and a good understanding of the different rendering strategies (SSR, RSC, RCC, Server streaming etc)
  • Optional experience with gRPC
  • Understanding of micro-services architecture
  • Proficient understanding of Git
  • Willingness to take ownership and mentor less experienced teammates
  • Pro-actively evaluate and propose technological/performance improvements to the existing projects
  • Team-oriented and transparent
  • Basic understanding of Scrum
  • Excellent English communication skills


  • Utilize React and TypeScript to develop and maintain frontend applications.
  • Work with Node.js and PostgreSQL to build and maintain server-side logic and databases.
  • Develop and optimize GraphQL and gRPC APIs.
  • Apply styling to web applications using preprocessors such as SASS or similar tools.
  • Proficiently use Git for version control, branching, and collaborative development.
  • Collaborate with the team to resolve merge conflicts and maintain a clean codebase.
  • Find creative solutions to unblock oneself when facing challenges.
  • Work collaboratively within a team, sharing knowledge and expertise.
  • Foster a transparent and open communication environment.
  • Participate in Scrum ceremonies such as sprint planning, daily stand-ups, and retrospectives.

    Compensation & Vacation policy:

  • Fast recruitment process
  • Excellent remuneration
  • Great office space with amazing colleagues
  • The opportunity to build a scalable online betting platform from scratch
  • Work with the latest technologies
  • 25 vacation days a year + a day off for your birthday
  • Premium Health Insurance
  • Birthday vouchers
  • Food vouchers
  • Office snacks and team lunches
  • Sports Card
  • Transportation Card
  • Quarterly team events
    … and many more!

Go to posting –>