Backend Engineer - Java

May 5

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Sweed POS

Sweed POS is a comprehensive platform designed to streamline cannabis retail operations. It offers a wide range of integrated tools including point of sale systems, marketing and loyalty programs, inventory management, and eCommerce solutions tailored specifically for the cannabis industry. With features such as advanced customer management, integrated payments, and multi-location logistics, Sweed POS empowers cannabis retailers to enhance their brand presence and operational efficiency. The platform is designed to seamlessly manage retail operations without the need for third-party systems, providing a holistic and intuitive experience for cannabis businesses.

📋 Description

• Design and implement new JVM-based services, such as billing and marketing integrations. • Develop and maintain gRPC APIs, applying proper versioning strategies to ensure long-term scalability. • Define and execute migration strategies for gradual service extraction (e.g., accounts, catalog), minimizing risk and downtime. • Ensure backward compatibility throughout the decomposition process to support legacy consumers. • Write comprehensive unit and integration tests to ensure the code works as intended and maintains reliability over time.

🎯 Requirements

• Strong Java expertise (JDK 17+/21, concurrency, performance tuning). • Modern Java frameworks (Spring Boot, Quarkus, or Micronaut). • Database mastery (PostgreSQL, MySQL or MSSQL —schema design, optimization). • API & protocols (REST, gRPC, WebSockets). • Cloud platforms (AWS/Azure/GCP – hands-on with managed services). • Testing mindset (JUnit, Testcontainers, integration/load testing).

🏖️ Benefits

• Salary in USD (B2B contract with the US company) • 100% remote – We’re a remote-first company, no offices needed! • Flexible working hours – Core team time: 09:00-15:00 GMT (flexible per team) • 20 paid vacation days per year • 12 holidays per year • 3 sick leave days • Medical insurance after probation • Equipment reimbursement (laptops, monitors, etc.)

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