Senior Full Stack Developer

21 hours ago

Bucharest, Bucureşti, Romania Recruiter4you Full time

We are partnering with a fast-growing and well-funded crypto casino to hire a Senior Full Stack Developer who will play a key role in building and scaling a next-generation iGaming platform. This is a fully remote position, offering the opportunity to work with cutting-edge technologies in a dynamic, high-transaction environment.

As a Senior Full Stack Developer, you will design, develop, and optimize both backend and frontend components to ensure exceptional performance, scalability, and reliability. You will collaborate closely with product, design, and engineering teams to deliver seamless user experiences while maintaining robust backend systems.

Key Responsibilities
  • Build and maintain scalable APIs, services, and web applications.
  • Work across the full stack: backend , Golang), frontend , TypeScript).
  • Implement real-time features using GraphQL, gRPC, and WebSockets.
  • Optimize performance across real-time, high-traffic components.
  • Develop and maintain infrastructure (Kubernetes, Kafka, Redis, Postgres/Timescale).
  • Integrate external APIs, services, and third-party products.
  • Write clean, maintainable, well-documented code and contribute to architectural decisions.
  • Mentor junior developers and uphold engineering best practices.
  • Collaborate with QA and product teams to ensure smooth, high-quality releases.
  • Stay up to date with industry trends, especially in gaming, real-time systems, and scalable cloud architecture.
Requirements
  • 5+ years as a Full Stack Developer or Software Engineer.
  • Strong proficiency in and with TypeScript.
  • Experience with Golang or willingness to use it for performance-critical features.
  • Deep understanding of GraphQL, gRPC, WebSockets, and real-time communication.
  • Strong experience with Postgres, Timescale, Redis.
  • Experience with Kafka or similar event-driven systems.
  • Hands-on experience deploying and scaling apps with Kubernetes in cloud environments.
  • Strong integration experience with third-party APIs and services.
  • Excellent knowledge of software engineering principles, design patterns, and best practices.
  • Strong debugging, problem-solving, and communication skills.
  • Ability to thrive in fast-paced, high-ownership environments.
  • Experience in iGaming, fintech, or other high-transaction industries.
Nice to have a background in distributed systems, microservices, or real-time multiplayer environments and familiarity with monitoring, observability, and performance profiling tools.

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