Develop and maintain backend applications for field team operations. Responsibilities include designing systems and data models, resolving bugs and bottlenecks, writing unit-tested reusable code, integrating internal and external tools, and collaborating with product managers on system design. The role requires Core Java, object-oriented programming, SQL databases, web-service integration, and RESTful APIs, with Git and Spring or Hibernate experience preferred.
Job location: Remote
About the role:
The Backend Developer works remotely as part of the technology team to help Sun King’s EasyBuy business unit design and develop software to improve its field team operations.
About the role:
The Backend Developer works remotely as part of the technology team to help Sun King’s EasyBuy business unit design and develop software to improve its field team operations.
What you will be expected to do
●Design and develop applications/systems based on wireframes and product requirements documents.
● Design and develop logical and physical data models to meet application requirements.
● Identify and resolve bottlenecks and bugs based on operational requirements.
● Perform unit tests on code to ensure robustness, including edge cases, usability, and general reliability.
● Write reusable and easily maintainable code following the principles of DRY (Don’t Repeat Yourself).
● Integrate existing tools and business systems, both in-house and external services, such as ticketing software and communication tools.
● Collaborate with team members and product managers to understand project requirements and contribute to the overall system design
● Design and develop logical and physical data models to meet application requirements.
● Identify and resolve bottlenecks and bugs based on operational requirements.
● Perform unit tests on code to ensure robustness, including edge cases, usability, and general reliability.
● Write reusable and easily maintainable code following the principles of DRY (Don’t Repeat Yourself).
● Integrate existing tools and business systems, both in-house and external services, such as ticketing software and communication tools.
● Collaborate with team members and product managers to understand project requirements and contribute to the overall system design
You might be a strong candidate if you have/are
●Development experience: 1+ years of backend development experience with good problem-solving abilities, and proficiency in data structures and algorithms.
● Knowledge of object-oriented programming (OOPS) standards and expertise in Core Java.
● Knowledge of SQL, MySQL, or similar database management.
● Experience in integrating web services, such as SOAP, REST, JSON, and XML.
● Familiarity with RESTful APIs for linking android applications to backend services.
● Preferred experience with version control systems like Git, but not mandatory.
● Additional knowledge of web technologies like HTML, CSS, JavaScript, and frameworks like Spring or Hibernate would be advantageous.
● Experience working with AI tools for AI assisted development.
● Knowledge of object-oriented programming (OOPS) standards and expertise in Core Java.
● Knowledge of SQL, MySQL, or similar database management.
● Experience in integrating web services, such as SOAP, REST, JSON, and XML.
● Familiarity with RESTful APIs for linking android applications to backend services.
● Preferred experience with version control systems like Git, but not mandatory.
● Additional knowledge of web technologies like HTML, CSS, JavaScript, and frameworks like Spring or Hibernate would be advantageous.
● Experience working with AI tools for AI assisted development.
What Sun King offers
●Professional growth in a dynamic, rapidly expanding, high-social-impact industry.
● An open-minded, collaborative culture made up of enthusiastic colleagues who are driven by the challenge of innovation towards profound impact on people and the planet.
● A truly multicultural experience: You will have the chance to work with and learn from people from different geographies, nationalities, and backgrounds.
● Structured, tailored learning and development programs that help you become a better leader, manager, and professional through the Sun Center for Leadership.
● An open-minded, collaborative culture made up of enthusiastic colleagues who are driven by the challenge of innovation towards profound impact on people and the planet.
● A truly multicultural experience: You will have the chance to work with and learn from people from different geographies, nationalities, and backgrounds.
● Structured, tailored learning and development programs that help you become a better leader, manager, and professional through the Sun Center for Leadership.
About
Sun King is the world’s leading off-grid solar energy company, combining cutting-edge product design, fintech, and field operations to deliver energy access for the 1.8 billion people who live without an affordable and reliable electric-grid connection.Sun King has built a new kind of energy utility: distributed, green, customer-centric, and affordable. We bring clean, reliable, decentralized energy directly into people’s lives — from solar kits that provide first-time energy access to multi-kilowatt systems that serve both off-grid users and grid-connected customers powering larger homes, schools, hospitals, farms, offices, and light manufacturing.Already, 25 million homes and businesses rely on Sun King for electricity supply and the appliances and services it enables: lighting, televisions, fans, refrigeration, and smartphones. Sun King combines energy generation, energy-efficient appliances, installation, and financing into one seamless offering. Think of it as a distributed utility, designed for wherever energy is needed and designed to scale with its users as incomes and energy needs grow.Sun King makes solar products affordable to low-income households and businesses via ‘pay-as-you-go’ (PAYG) purchase financing. Sun King installs solar after customers pay a small deposit. Customers then make small, manageable payments of as little as US $0.14 a day via mobile money or cash.Instead of paying for expensive, polluting, and health-damaging kerosene for lighting or diesel for power, customers unlock savings through accessing solar power and after one to two years of payments, customers own their solar equipment outright.Sun King collects payments digitally through mobile money systems and its 35,000 field agents — over 1 million payments each day. To date, Sun King has extended more than $1.4 billion in PAYG loans to customers.Sun King began by powering homes and businesses with solar systems delivered through PAYG financing. Now, we’re using the same model to make smartphones and clean cooking equipment affordable: helping households connect to the digital economy and transition from wood-based fuels to modern, sustainable alternatives.Sun King employs 3,500 full-time staff in 14 countries, with specialties spanning product design, data science, logistics, customer service, sales, software, operations, and more — all with a passion to serve off-grid families. Sun King is committed to gender diversity in the workplace. Women represent 42% of Sun King’s workforce.
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