Software Development Engineer I, Backend
Skills & Stack
About the Role
The Software Development Engineer I, Backend position at Sun King focuses on developing backend services for the EasyBuy platform to improve field operations and support the companys solar energy distribution network. This role involves building robust Java-based backend systems using Spring and Hibernate frameworks to manage customer accounts, payment processing, inventory management, and field agent operations. The engineer will work on integrating RESTful APIs and databases to support mobile applications used by field agents and customers across Sun Kings operational regions. This position plays a critical role in enhancing the efficiency of Sun Kings field operations, enabling the company to scale its solar energy distribution while maintaining reliable service delivery in remote areas. The role offers the opportunity to contribute to technology that supports clean energy access and financial inclusion in emerging markets.
About Sun King
Sun King is a leading solar energy company founded in 2009 that provides affordable solar solutions to off-grid communities across Africa and Asia. The company operates one of the worlds largest direct-to-consumer solar distribution networks, offering solar home systems, lanterns, and appliances through its innovative EasyBuy platform. Sun Kings pay-as-you-go financing model makes solar energy accessible to low-income households without access to reliable electricity. The company combines solar technology with mobile payment solutions to create sustainable energy access for millions of customers. Sun King focuses on social impact, clean energy adoption, and financial inclusion, serving rural and underserved markets with reliable, affordable solar products that replace kerosene lamps and other polluting energy sources.
What You'll Do
- 1Develop backend services for Sun Kings EasyBuy platform using Java technologies
- 2Build and maintain RESTful APIs to support mobile applications and field operations
- 3Implement database solutions using MySQL for customer data and transaction management
- 4Work with Spring and Hibernate frameworks for application development
- 5Integrate backend systems with Android applications used by field agents
- 6Develop features to improve field operation efficiency and customer experience
- 7Collaborate with product teams to understand field operation requirements
- 8Implement SOAP-based integrations with external systems and payment platforms
- 9Ensure system reliability and performance for operations in low-connectivity areas
- 10Participate in code reviews and maintain software development best practices
What We're Looking For
- Experience in Java backend development with Spring and Hibernate frameworks
- Knowledge of MySQL database management and SQL query optimization
- Understanding of RESTful API design and implementation
- Familiarity with SOAP protocols and system integration
- Experience with backend systems supporting mobile applications
- Knowledge of software development best practices and design patterns
- Ability to work with complex business logic and transaction processing
- Understanding of scalable system architecture for field operations
- Strong problem-solving skills and attention to detail
- Interest in renewable energy, social impact, or emerging markets technology
Ready to apply for this role?
Software Development Engineer I, Backend at Sun King — click below to submit your application.
