Block Labs
Description
??Title: Senior Full Stack Engineer (PHP/Java/React)
?Department: Engineering
?Location: UK or Europe, Remote
About Block Labs Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. Our diverse team drives innovation, using deep industry expertise and an extensive network to empower the next wave of blockchain-driven companies. At Block Labs, we?re passionate about turning bold ideas into breakthrough success.
About The Role We?re currently building a state-of-the-art, modular, multi-tenant iGaming platform. This role sits at the core of the engineering team responsible for developing highly scalable services, intuitive frontend interfaces, and seamless third-party integrations, including games.
As a Senior Fullstack Engineer, you?ll work closely with the Tech Lead and cross-functional squads to deliver microservices and frontend components. While your main focus will be on Go, Java, and React, we?re looking for someone with a polyglot mindset ? open to using PHP, Node.js, or other stacks when needed. Occasionally, you may also touch game-side logic or work on integrations for new providers.
Key Responsibilities - Develop, test, and maintain backend services and frontend interfaces.
- Contribute to the implementation of multi-tenant features with clear data separation and high configurability.
- Integrate third-party services and APIs, including game providers, wallets, and analytics tools.
- Ensure performance, security, and observability of the systems.
- Write clean, maintainable code and participate in peer reviews.
- Support documentation, deployment automation, and continuous integration workflows.
- Build and maintain internal tools and libraries that enhance development efficiency and support other developers.
About You - 5+ years of Fullstack development experience across modern backend and frontend technologies.
- Strong hands-on experience with Go, Java, and React.
- Comfortable switching between technologies and working across multiple codebases.
- Experience designing APIs, working with microservices, and integrating third-party systems.
- Familiar with multi-tenant architectures, role-based access control, and secure systems.
- Exposure to observability practices, distributed tracing, and structured logging.
- Familiarity with cloud-native platforms, messaging systems, modern databases, and infrastructure-as-code tools.
- Background in iGaming is a plus.
- Clear communicator and proactive contributor in remote-first environments.
