Java Developer

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:

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. 

You might be a strong candidate if you have/are

• Have development experience: 1-2 years backend development experience and have strong problem-solving abilities, proficiency in data structures, and algorithms. 
• Have a profound grasp of object-oriented programming (OOPS) standards and expertise in Core Java. 
• Have knowledge of SQL, MySQL, or similar database management. 
• Have Experience in integrating web services, such as SOAP, REST, JSON, and XML. 
• Have familiarity with RESTful APIs for linking Android applications to backend services. 
• Have preferred experience with version control systems like Git, but not mandatory. 
• Have additional knowledge of web technologies like HTML, CSS, JavaScript, and frameworks like Spring or Hibernate would be advantageous. 

What we offer (in addition to compensation and statutory benefits):

• A platform for professional growth in a rapidly expanding, high-impact sector.
• Immerse in a collaborative culture, energized by employees of Sun King who are collectively motivated by fostering a transformative, sustainable venture.
• A genuinely global environment: Engage and learn alongside a diverse group from varied geographies and backgrounds.
• Tailored learning pathways through the Sun King Center for Leadership to elevate your leadership and managerial capabilities.

• Proven experience in any high-level programming languages like Java (Preferably)
• Strong knowledge of data structure, algorithms and coding
• Experience with any Messaging technologies like Kafka or Rab-bitMQ, etc.
• Proven experience in database technologies like NoSQL
• Hands-on experience with Spring, Spring Security, Spring boot, and Hibernate framework.
• Working knowledge of developing Restful Micro services.
• Strong analytical, problem-solving skills.
• Attend team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
• Ability to understand the Platform/domain of the business in detail & Ability to multi-task.
• Good communication and organizational skill

• 2.5+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Experience in AWS.
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 2+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Technical skills required:

Skills: Java 8 and above, Rest Web services, MySQL.

Strong background in Core Java and good knowledge of collection Framework.

Proficient in developing high-performance, less memory-intensive micro-services applications using the Java framework.

Should have deep knowledge of Micro-service development.

• Design & build a highly scalable, robust backend architecture for our cloud services
• You will be part of a software development team for developing and enhancing SaaS applications.
• Take responsibility of entire module/feature set and develop, test, debug and maintain the application software throughout the product lifecycle
• Working with the Product Management Team to validate and plan new features
• Working with cross-functional teams to deliver stellar end user experience
• Research new technologies and tools that help in building the next generation of our services
• Test, debug and maintain the application software throughout the product lifecycle

• Must have experience with web development in Java 8+, Spring/J2EE or similar frameworks and technologies. (Mandatory)
• Must have worked on REST API (Mandatory)
• Should be an enthusiast for writing clean, reusable code, willing to learn new things as a self-starter person
• 2+ years of strong relevant experience in developing Object-oriented technologies.
• Strong working experience with any of the following DBs - Postgres / MySQL / Oracle or MSSQL
  

• Designing, coding, and debugging software using J2EE, Spring boot,Microservices ,AWS .
• Work closely with Solution architects to understand the architecture
  design and implement software designs accordingly.
• Improving the performance of existing software.
• Providing training to other engineers and code review.
• Maintaining and upgrading existing software.
• Recommending new technologies that can help increase productivity.
• Supervising and overseeing the technical aspects of projects.
• Investigating software-related complaints and making necessary adjustments to ensure optimal software performance.
• Regularly attending team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
• Mentioning Software engineers on correct coding practices.

Urgent requirement for Java developer for a product-based company.

Apply only if you have experience in data structure and algorithms

Please note the notice period. we are looking for an immediate to 15 days joiner only.

Experience: 3+ years

Location: Bangalore 

Notice Period: Immediate to 15 days

Working: currently WFH

Skills: Core java developer, Hibernate, Spring, Data structure, Spring boot/Micro service

• Hands on Java experience with minimum 8 yrs. More experience is a plus but need to be hands on.
• Server side programming experience with technologies: Spring, Hibernate & Swing is a plus
• Good DB knowledge, hands on PL/SQL or T-SQL
• Experienced to work on Linux, git, IntelliJ, Eclipse
• Experience of designing and developing end-to-end solutions.