Sun King

About Sun King

Sun King is the world’s leading off-grid solar energy company, delivering energy access to 1.8 billion people without reliable grid connections through innovative product design, fintech solutions, and field operations.

Key Highlights:

• Connected over 20 million homes to solar power across Africa and Asia, adding 200,000 homes monthly.
• Affordable ‘pay-as-you-go’ financing model; after 1-2 years, customers own their solar equipment.
• Saved customers over $4 billion to date.
• Collect 650,000 daily payments via 28,000 field agents using mobile money systems.
• Products range from home lighting to high-energy appliances, with expansion into clean cooking, electric mobility, and entertainment.

With 2,800 staff across 12 countries, our team includes experts in various fields, all passionate about serving off-grid communities.

Diversity Commitment:

44% of our workforce are women, reflecting our commitment to gender diversity.

About the Role

As a Backend Developer, you will work remotely with Sun King’s EasyBuy business unit to design and develop software that improves the operations of our field teams.

Key Responsibilities:

• Design and develop applications/systems based on wireframes and product requirements.
• Create logical and physical data models to meet application needs.
• Identify and resolve bottlenecks and bugs based on operational needs.
• Perform unit testing on code to ensure reliability, including edge cases and usability.
• Write reusable, maintainable code following DRY (Don’t Repeat Yourself) principles.
• Integrate existing tools and business systems, including external services like ticketing and communication software.
• Collaborate with team members and product managers to understand project requirements and contribute to system design.

You Might Be a Strong Candidate If You:

• Have 1-2 years of backend development experience and strong problem-solving skills, with proficiency in data structures and algorithms.
• Have a solid understanding of object-oriented programming (OOP) and expertise in Core Java.
• Have experience with databases such as SQL, MySQL, or similar.
• Have integrated web services such as SOAP, REST, JSON, and XML.
• Are familiar with RESTful APIs for linking Android applications to backend services.
• Experience with version control systems like Git is preferred but not mandatory.
• Additional knowledge of web technologies (HTML, CSS, JavaScript) and frameworks like Spring or Hibernate is a plus.

The Team You Would Join

The Global Analytics and Technology function at Sun King builds technology-enabled solutions based on data-driven insights. Our team includes data scientists, data engineers, analysts, technical architects, Android developers, web designers, backend engineers, product managers, and UI/UX developers. Together, we develop cutting-edge solutions to solve business problems for underserved populations, including:

• Last-mile delivery
• Credit underwriting and risk management
• Distribution channel digitization
• Churn management

What We Offer:

In addition to compensation and statutory benefits, you’ll receive:

• A platform for professional growth in a fast-growing, high-impact sector.
• A collaborative culture energized by Sun King employees working towards a transformative, sustainable mission.
• A global environment where you’ll engage with a diverse team from different geographies and backgrounds.
• Tailored learning pathways through the Sun King Center for Leadership to enhance your leadership and managerial skills.