Block Labs

Full-stack Engineer

• Design and build distributed backend services that power a multi-tenant cashier and transaction management system.
• Develop core platform features for wallet orchestration, payment routing, reconciliation, and tenant onboarding.
• Integrate with blockchain networks, payment gateways, and third-party crypto APIs.
• Collaborate with product, frontend, and infrastructure teams to deliver reliable, end-to-end systems.
• Contribute to architectural design and drive technical decisions across services.
• Ensure scalability, fault-tolerance, and compliance within a regulated financial context.
• Maintain clean, testable, and well-documented Go code following industry best practices.

Senior Software Engineer – Go

Frontend Engineer

• Develop and maintain frontend game logic and UI systems using Dart 3.0+
• Implement real time multiplayer features with WebSocket and protocol-based communication
• Manage state synchronization and event driven updates across sessions
• Build and optimize 2D interfaces, animations, and effects using PIXI.js or similar frameworks
• Ensure cross browser performance and responsive behaviour across devices
• Collaborate with backend teams to integrate game services and APIs
• Maintain a clean, modular codebase with clear separation of concerns
• Participate in code reviews, debugging, and performance profiling to ensure production quality

Senior Frontend Game Developer, Dart

Backend Engineer

• Design and develop backend services in Java 17+ using Spring Boot and Maven
• Build and maintain microservice integrations across authentication, payments, chat, and gameplay
• Implement and maintain REST and WebSocket APIs for game logic and real time communication
• Integrate frontend clients (Dart, TypeScript, or similar) with backend systems
• Develop and support integrations with third party platforms, payment gateways, and cashier services
• Collaborate with product and backend teams to ensure seamless transaction management, wallet synchronisation, and player balance handling
• Contribute to frontend modules where needed, supporting UI logic and state synchronisation
• Collaborate on data modelling, schema design, and optimisation
• Participate in code reviews, debugging, and performance optimisation
• Ensure scalability, data consistency, and high availability across distributed systems.

Senior Fullstack Developer, Java

• Build and maintain backend modules for user, wallet, and gameplay services, ensuring consistency and high performance.
• Implement REST and custom protocol endpoints for clients and partners.
• Design and optimize database schemas and manage migrations with Flyway.
• Ensure transaction integrity with JTA/Atomikos for wallet and reward systems.
• Improve system scalability using Spring Boot, Infinispan, and Quartz Scheduler.
• Write robust, testable code with JUnit 5 and participate in reviews and CI/CD pipelines.
• Collaborate cross-functionally with Product, Frontend, and QA teams to deliver reliable releases.

Senior Backend Game Developer, Java

• Design and develop backend services in Java 17+ using Spring Boot and Maven
• Build and maintain microservice integrations across authentication, payments, chat, and gameplay
• Implement and maintain REST and WebSocket APIs for game logic and real time communication
• Integrate frontend clients (Dart, TypeScript, or similar) with backend systems
• Develop and support integrations with third party platforms, payment gateways, and cashier services
• Collaborate with product and backend teams to ensure seamless transaction management, wallet synchronisation, and player balance handling
• Contribute to frontend modules where needed, supporting UI logic and state synchronisation
• Collaborate on data modelling, schema design, and optimisation
• Participate in code reviews, debugging, and performance optimisation
• Ensure scalability, data consistency, and high availability across distributed systems

• Help build high-performance, modular and visually engaging interfaces across a range of cutting-edge platforms
• Work within a cross-functional team of engineers, product managers, and designers to deliver seamless user experiences across web application
• Design and implement user-facing features with strong attention to performance, responsiveness and UX
• Build, maintain and refactor modular React-based interfaces for scalability and reusability
• Collaborate with product and backend teams to define API contracts and feature behavior
• Advocate for clean, testable and maintainable code through peer reviews and documentation
• Optimize applications for speed, cross-browser compatibility and accessibility
• Work within a modern CI/CD pipeline to ship features efficiently and safely
• Contribute to shared design systems or internal tooling as needed

Senior Frontend Engineer

• Help build high-performance, modular and visually engaging interfaces across various platforms
• Work within a cross-functional team to deliver seamless user experiences
• Design and implement user-facing features with strong attention to performance, responsiveness, and UX
• Build, maintain and refactor modular React-based interfaces for scalability and reusability
• Collaborate with product and backend teams to define API contracts and feature behavior
• Advocate for clean, testable, and maintainable code through peer reviews and documentation
• Optimize applications for speed, cross-browser compatibility, and accessibility
• Contribute to shared design systems or internal tooling as needed

• Design and implement core services that support multiplayer and single-player gaming platforms
• Build and maintain backend modules for user, wallet, and gameplay services
• Implement REST and custom protocol endpoints for clients and partners
• Design and optimize database schemas and manage migrations with Flyway
• Ensure transaction integrity with JTA/Atomikos for wallet and reward systems
• Improve system scalability using Spring Boot, Infinispan, and Quartz Scheduler
• Write robust, testable code with JUnit 5 and participate in reviews and CI/CD pipelines
• Collaborate cross-functionally with Product, Frontend, and QA teams to deliver reliable releases

Platform Engineer

• Design, implement, and maintain a highly scalable, secure, and automated platform on AWS
• Build and maintain a secure, resilient, and scalable AWS platform to support business-critical applications
• Implement and manage CI/CD pipelines, infrastructure-as-code (IaC), and automation frameworks to enhance efficiency and reliability
• Collaborate with developers, QA, and product teams to align platform capabilities with business requirements
• Ensure the platform meets the highest security standards while optimizing performance, scalability, and cost-effectiveness across all infrastructure
• Support migrations from other platforms to AWS, ensuring seamless transitions and minimal downtime
• Monitor and troubleshoot platform performance issues, identifying opportunities for improvement
• Research and implement new AWS services and emerging technologies to enhance platform capabilities
• Document platform configurations, workflows, and best practices to support operational excellence

Platform Engineer, AWS

SDET

• Design, implement, and maintain end-to-end automated test suites for web and mobile applications (iOS & Android) and API layers.
• Build and enhance automation frameworks using TypeScript, Cucumber-JS, and Playwright, ensuring reusability and scalability.
• Automate mobile testing on iOS and Android using Appium, Maestro, Playwright for mobile, or equivalent tools.
• Integrate automated tests into CI/CD pipelines (GitHub Actions preferred) and ensure stable, fast feedback loops.
• Collaborate with developers and product managers to define acceptance criteria and ensure full coverage across features and integrations.
• Execute exploratory, regression, and integration testing when required to complement automation.
• Maintain detailed test documentation, test reports, and quality dashboards (e.g., via Testmo, TestRail).
• Continuously improve QA processes, automation coverage, and overall test strategy.

QA Automation Engineer

• Design, implement, and maintain a highly scalable, secure, and automated platform on AWS.
• Collaborate with cross-functional teams to ensure the platform supports efficient application delivery.
• Build and maintain a secure, resilient, and scalable AWS platform for business-critical applications.
• Implement and manage CI/CD pipelines, infrastructure-as-code, and automation frameworks.
• Monitor and troubleshoot platform performance issues, identifying opportunities for improvement.

• Design, implement, and maintain end-to-end automated test suites for web and mobile applications (iOS & Android) and API layers
• Build and enhance automation frameworks using TypeScript, Cucumber-JS, and Playwright, ensuring reusability and scalability
• Automate mobile testing on iOS and Android using Appium, Maestro, Playwright for mobile, or equivalent tools
• Integrate automated tests into CI/CD pipelines (GitHub Actions preferred) and ensure stable, fast feedback loops
• Collaborate with developers and product managers to define acceptance criteria and ensure full coverage across features and integrations
• Execute exploratory, regression, and integration testing when required to complement automation
• Maintain detailed test documentation, test reports, and quality dashboards (e.g., via Testmo, TestRail)
• Continuously improve QA processes, automation coverage, and overall test strategy.

Technical Project Manager

• Own the delivery of features and updates from planning to release, ensuring alignment with business goals and customer needs.
• Work closely with developers, designers, product managers, and other stakeholders to define project objectives, deliverables, and success criteria.
• Drive the execution of projects across all stages of the Software Development Life Cycle (SDLC), ensuring efficient handoffs and collaboration between teams.
• Identify potential risks early and implement mitigation strategies to keep projects on track.
• Provide transparent updates on project status, risks, and progress to stakeholders and senior management through detailed reporting.
• Oversee vendor relationships, manage third-party API integrations, and address compatibility or performance issues.
• Optimize project management processes and foster learning through post-project reviews and feedback implementation.

Technical Project Manager – iGaming

• Overseeing end-to-end delivery of features and projects for iGaming products
• Collaborating closely with cross-functional teams including Product, Development, QA, and Marketing
• Managing project timelines, resources, and risks
• Fostering a culture of continuous improvement based on measurable insights
• Optimizing project management processes
• Providing updates on project status, risks, and progress to stakeholders

• Design and implement core services that support multiplayer and single player gaming platforms
• Build and maintain backend modules for user, wallet, and gameplay services
• Implement REST and custom protocol endpoints for clients and partners
• Design and optimize database schemas and manage migrations with Flyway
• Ensure transaction integrity with JTA/Atomikos
• Improve system scalability using Spring Boot, Infinispan, and Quartz Scheduler
• Write robust, testable code with JUnit 5 and participate in reviews and CI/CD pipelines