Join to apply for the Senior Fullstack Java Developer role at Block Labs
Block Labs is a premier technology studio at the bleeding edge of Web3, Artificial Intelligence, and iGaming. We engineer high‑scale, production‑grade platforms that power the next generation of digital products.
About the Role
You will work on real‑time multiplayer and single‑player gaming platforms. A senior Java engineer who can reason about systems end to end and take ownership of features from design to production.
Key Responsibilities

Design and implement backend services in Java 17+ using Spring Boot and Maven
Own critical microservices across authentication, gameplay, chat, and real‑time communication
Design and maintain REST and WebSocket APIs with a focus on correctness, latency, and resilience
Collaborate with client engineers to define protocols, state synchronisation, and integration contracts
Build and maintain integrations with third‑party platforms and cashier systems
Contribute to data modelling, schema design, and query optimisation
Debug complex production issues across services, networks, and client behaviour
Participate actively in code reviews, architectural discussions, and technical decision making
Ensure scalability, consistency, and reliability across distributed systems

About You

Strong Java (17+) experience and proven production service ownership
Deep understanding of distributed systems, state management, and failure modes
Experience with transactional systems such as payments, wallets, or financial flows
Comfort designing APIs and communication protocols
Ability to read and reason about frontend or client‑side code
Values clarity, simplicity, and correctness over clever abstractions
Self‑driven ownership and proactive initiative
Real‑time or multiplayer platform experience is an advantage

Culture & Benefits
Mature, mission‑driven, low‑ego. We value clarity over noise, outcomes over theatrics, and pace without chaos. If you’re one of the smartest minds in your craft and want to build with other experts, you’ll feel at home here.
#J-18808-Ljbffr