Backend Engineer

Summary

Join Sweed, a product-driven software startup, as a fully remote Backend Engineer (Java) and help us reimagine cannabis retail operations. We offer an all-in-one platform combining POS, eCommerce, Marketing, Analytics, and Inventory Management. You will design and implement new JVM-based services, develop and maintain gRPC APIs, define migration strategies for service extraction, and ensure backward compatibility. We are looking for strong Java expertise, experience with modern Java frameworks, database mastery, and cloud platform knowledge. We offer a competitive salary in USD (B2B contract), 100% remote work, flexible hours, paid vacation and holidays, medical insurance, and equipment reimbursement.

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)

Responsibilities

• 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

Preferred Qualifications

• Proactivity – We love team members who take initiative and provide feedback
• Critical thinking – We value problem-solvers who think beyond just writing code
• Adaptability – Our industry is evolving fast, and we need people who thrive in change

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.)