Senior Fullstack Developer (Java)

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Overview of Block Labs

Block Labs is recognized as a leading force in the Web3 space, where it incubates, invests, and accelerates top-tier projects in the areas of fintech, crypto, and iGaming. The company has a growing presence in the technology sector and aims to shape the future of decentralized technology. As part of their expansion efforts, Block Labs is in search of passionate talent to join their dynamic team.

Job Position: Senior Fullstack Developer (Java)

As a Senior Fullstack Developer at Block Labs, candidates will become an essential part of a multidisciplinary engineering team dedicated to building real-time multiplayer and single-player gaming platforms. This position is predominantly suited for developers who possess a strong Java background and can effectively work across backend services, frontend integrations, and support tools. The role demands a genuine fullstack engineer who is comfortable taking ownership of features from start to finish.

Key Responsibilities

• Design and develop backend services in Java 17+ utilizing Spring Boot and Maven.
• Build and maintain microservice integrations encompassing authentication, payments, chat, and gameplay functionalities.
• Implement and uphold REST and WebSocket APIs for game logic and real-time communication.
• Integrate frontend clients (ideally Dart, but also acceptable are TypeScript or similar languages) with backend systems.
• Create and support integrations with third-party platforms, payment gateways, and cashier services.
• Collaborate closely with product and backend teams to ensure efficient transaction management, wallet synchronization, and handling of player balances.
• Engage in frontend module development as necessary to ensure UI logic and state synchronization.
• Participate in data modeling, schema design, and optimization processes.
• Take part in code reviews, debugging sessions, and performance optimization tasks.
• Ensure scalability, data consistency, and high availability across distributed systems.

Required Skills

Candidates applying for the Senior Fullstack Developer position should meet the following criteria:

• Strong proficiency in Java (17+) and Spring Boot.
• Experience integrating with payment systems, third-party APIs, or cashier services.
• Familiarity with WebSocket communication and real-time data exchange.
• Solid understanding of REST API design and microservice architecture.
• Experience with SQL databases, schema design, and query optimization.
• Exposure to frontend development (preferably Dart, or alternatively JavaScript/TypeScript).
• Knowledge of containerized environments (e.g., Docker) and CI/CD pipelines.
• Comfort working in a multi-repository, multi-module setup.
• Understanding of state management, protocol-based communication, and client-server synchronization.
• Experience in real-time multiplayer systems or handling financial transactions.

Work Culture

At Block Labs, the work culture is described as mature, mission-driven, and fostering a low-ego environment. The company emphasizes the value of clarity and effectiveness over chaos, aiming for outcomes rather than theatrics. They invite talented individuals to contribute their expertise and collaborate with other highly skilled professionals, ensuring a fulfilling professional environment.

Salary

The job listing does not specify a salary for the Senior Fullstack Developer position, which is common for many remote roles. Candidates might consider inquiring about compensation during the interview process.

Location

This position is restricted to Spain. Applicants interested in this role should be prepared to work remotely or possibly hybrid, depending on the company's arrangements as defined.

Conclusion

The Senior Fullstack Developer role at Block Labs offers an exciting opportunity for experienced Java developers to be at the forefront of innovation in the Web3 industry. With a focus on collaboration and expertise, this position allows for significant professional growth while contributing to pioneering projects.

This job offer was originally published on himalayas.app