
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: 1-3 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.

About Sun King
About
Sun King is a leading global provider of off-grid solar energy solutions, designed to serve the 1.8 billion people who lack reliable or affordable access to traditional electrical grids. With a mission to power brighter lives, the company focuses on underserved markets across Africa and Asia. Sun King's product range includes solar lanterns, solar home systems, and solar inverters, tailored to meet a variety of energy needs—from portable lighting to powering entire homes.
The company's innovative solutions, such as the recently launched PowerHub 3300 and expandable solar home systems, reflect their commitment to evolving customer demands. With operations in over 40 countries and millions of products sold, Sun King makes solar energy accessible through pay-as-you-go financing options. The company’s network of field agents plays a key role in selling, installing, and servicing products, driving local economic development. Rooted in sustainability, Sun King also implements a Sustainable Financing Framework and ensures customer satisfaction through extensive service centers and after-sales support.
Company video


Candid answers by the company
Sun King designs, distributes, installs, and finances solar energy solutions for the 1.8 billion people living without reliable access to electricity. The company offers a range of products from portable solar lamps to powerful home and business energy systems, aiming to improve lives across Africa and Asia through affordable, clean energy.
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Experience: 5 –14 Years
Location: Mumbai / Bangalore
Employment Type: Full-time
We are looking for experienced and passionate Java Developers with strong expertise in Core Java, multithreading, and performance tuning. You will be responsible for designing and developing high-performance, scalable, and resilient backend systems. This is an exciting opportunity to work on complex, enterprise-level systems and modern architectures like microservices and event-driven frameworks.
• 5–10 years of hands-on experience in Java (8 or above) development.
• Strong foundation in OOPs, data structures, algorithms, and design patterns.
• Deep understanding of multithreading, concurrency, and synchronization techniques.
• Experience with Spring Boot, Spring MVC, JPA/Hibernate.
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• Proficient in SQL and experience with relational databases like MySQL, PostgreSQL, etc.
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Exposure to Agile/Scrum methodology
About Us
We are a company where the ‘HOW’ of building software is just as important as the ‘WHAT.’ We partner with large organizations to modernize legacy codebases and collaborate with startups to launch MVPs, scale, or act as extensions of their teams. Guided by Software Craftsmanship values and eXtreme Programming Practices, we deliver high-quality, reliable software solutions tailored to our clients' needs.
We thrive to:
- Bring our clients' dreams to life by being their trusted engineering partners, crafting innovative software solutions.
- Challenge offshore development stereotypes by delivering exceptional quality, and proving the value of craftsmanship.
- Empower clients to deliver value quickly and frequently to their end users.
- Ensure long-term success for our clients by building reliable, sustainable, and impactful solutions.
- Raise the bar of software craft by setting a new standard for the community.
Our Core Values
- Quality with Pragmatism: We aim for excellence with a focus on practical solutions.
- Extreme Ownership: We own our work and its outcomes, fully.
- Proactive Collaboration: Teamwork elevates us all.
- Pursuit of Mastery: Continuous growth drives us.
- Effective Feedback: Honest, constructive feedback fosters improvement.
- Client Success: Our clients’ success is our success.
Experience Level
This role is ideal for engineers with 5+ years of hands-on software development experience, particularly in Java and a good to have in Reactjs at scale.
Role Overview
If you’re a Software Craftsperson who takes pride in clean, test-driven code and believes in Extreme Programming principles, we’d love to meet you. At Incubyte, we’re a DevOps organization where developers own the entire release cycle, meaning you’ll get hands-on experience across programming, cloud infrastructure, client communication, and everything in between. Ready to level up your craft and join a team that’s as quality-obsessed as you are? Read on!
What You'll Do
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Requirements
- 4+ years of expertise in Java and good to have in React, JavaScript, Object Oriented Programming in JS
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- Working knowledge of server configuration/deployment infrastructure
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Benefits
What We Offer
- Dedicated Learning & Development Budget: Fuel your growth with a budget dedicated solely to learning.
- Conference Talks Sponsorship: Amplify your voice! If you’re speaking at a conference, we’ll fully sponsor and support your talk.
- Cutting-Edge Projects: Work on exciting projects with the latest AI technologies
- Employee-Friendly Leave Policy: Recharge with ample leave options designed for a healthy work-life balance.
- Comprehensive Medical & Term Insurance: Full coverage for you and your family’s peace of mind.
- And More: Extra perks to support your well-being and professional growth.
Position = Java Developer
We are looking forward to hire a committed Java Developer with experience in building high performing, scalable, enterprise-grade applications. You will be part of our Engineering team that works on mission-critical applications. You will be managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
You are required to:
Contributing in all phases of the development lifecycle.
Write well designed, testable & efficient code.
Ensure designs are in compliance with specifications.
Prepare and produce releases of software components.
Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
Technical Skills required
Java, Springboot, Microservices, Data structures & Algorithms, MySQL, NoSQL, Mongodb and Hibernate.
OUR CURRENT STACK
Backend: Spring (JAVA), Laravel (PHP), MySQL, NoSQL, NGINX Plus.
Frontend: Angular 5+ Ngrx/store 5
Infrastructure: Google cloud platform (App engine, CloudSQL, BigQuery, PubSub, Firebase Hosting), Scrapy Cloud, Pusher.io (websockets), Getstream.io, Filestack, Postmark app, AS2 Gateway, Google Cloud Endpoints Framework, MongoDB, Algolia, Memcache
Tools: Gitlab, Postman app, JIRA. Wondering what your Responsibilities would be? Technical Skills required O
You are where our search ends, if you hold:
B. Tech/ M. Tech or corresponding degree
Experience in the same role of almost 1-6 years
Experience with connecting backend and frontend services.
Exposure to consuming data through different interfaces (Web API's/Socket/ REST/ RESTFUL/ JSON/ XML).
Proficiency in Data Structures and Algorithms.
Understanding of web markup, including HTML 5 CSS.
Understanding of client-side scripting and JavaScript frameworks.
Ability to write clean, reusable and well documented code.
Proficient understanding of code versioning tools, such as Git.
Knowledge of API authentication techniques (Token, JWT, OAuth2) - desirable but not mandatory. (Experience with API Design will be a plus)
Fair spoken and written English Flexibility - Things change around here. FAST!
Other Inter-personal skills like self-motivation, persistency, patience and eagerness to learn and work independently.
Relevant Experience: 5+ Years
Location: PAN India
Client: IBM
Job Overview:
We are looking for a Java Developer with experience in building high-performing, scalable,
enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications:
• BE/MCA/BCA/MS/BS degree in Computer Science, Engineering, or a related subject
• Minimum 1 to 4 years of experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Micro service architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
-
Founders
-
https://www.crunchbase.com/person/ashwin-rajeeva" target="_blank">Ashwin Rajeeva,https://www.crunchbase.com/person/gaurav-nagar-68ab" target="_blank"> Gaurav Nagar,https://www.crunchbase.com/person/raghu-mitra-kandikonda" target="_blank"> Raghu Mitra Kandikonda,https://www.crunchbase.com/person/rohit-choudhary" target="_blank"> Rohit Choudhary
Founder and CEO- https://www.linkedin.com/in/rconline" target="_blank">linkedin.com/in/rconline
Fundings Discussion and Interviews- https://www.youtube.com/watch?v=5J6jDS7mxXk&t=2s" target="_blank">https://www.youtube.com/watch?
Acceldata Demo- https://www.youtube.com/watch?v=icveuPmfypM" target="_blank">https://www.youtube.com/watch?
Co-Founder- https://www.linkedin.com/in/w1nash" target="_blank">linkedin.com/in/w1nash
Product Responsibilities:
As an Engineering Manager, you will be responsible for the end-to-end delivery of one or more products and solutions.
10+ years of relevant industry experience.
Be technically strong and deliver product excellence.
Collaborate with your team and cross-functional partners to define and influence strategy.
Drive roadmap creation and execution.
Collaborate with various functions, drive engineering initiatives, and have an impact at an organizational level.
Participate in technical design. You will be the owner of the technical direction of the products.
Define clear OKRs and measure the impact of your team and individual members.
Evangelize your products across various teams and also to external customers.
Work with the GTM team to deliver success for the products.
Collaborate with the Recruitment/HR team to hire exceptional talent for your own team and also for other teams.
Minimum Qualifications:
Bachelor degree preferably in Computer Science from a reputed engineering college.
10+ years of proven experience, with 2+ years of leading a team.
Very strong in hands-on coding.
8+ years of combined experience in JVM languages(Java, Scala, Kotlin, etc), any scripting language like python, relational and non-relational databases.
Very strong in system design. You should have designed and implemented large-scale Web applications or data systems.
Strong verbal and written communication skills.
Demonstrated experience recruiting and managing technical teams, including performance management.
Good to have:
Don't worry, we'll ramp you up, but experience in any of these areas will help you hit the ground running:
Familiarity with technologies such as Apache Spark, Apache Hadoop ecosystem, and modern warehouses like Snowflake, AWS Redshift, etc.
Experience working with public cloud systems such as AWS, GCP, or Azure.
Experience with containerization and technologies such as Kubernetes and Docker.
Knowledge of large-scale, data-heavy distributed systems.
Job Description:
Mandatory Skills: Java, J2ee, spring, hibernate, spring mvc.
Preferred: Restful, microservices, spring boot.
Website: https://www.games24x7.com">https://www.games24x7.com
Our young and rapidly growing team at Zycus is looking to fill out vacant positions for Lead Engineers. We are a well established SAAS based company, with 20+ years of AI legacy and experience in the industry. Once you join us, you will get to innovate and experience the latest technologies including Artificial Intelligence, Machine Learning and AWS Cloud. We are looking for candidates well versed with Java/J2EE, Spring boot, Microservices, Hibernate, JMS/ Kafka/ Rabbit and most importantly an expert in design patterns. Exposure to Cloud platform, Full stack environment and Agile methodology, would be a plus.
We are looking for curious, collaborative candidates who are willing to learn and ready to take up new exciting endeavors. You are going to work together with the team on complex innovative projects in the industry. We are basically looking for an enthusiastic candidate with a coding experience of about 5-10 years, with a hands-on experience in Software Product Development and ownership.
You could be a perfect fit if you,
- understand use cases and product requirements, can design, develop, review (code/design), unit test, module test, integration test, documentation for PDLC.
- are an expert in maintaining, enhancing, bug fixing and following standard documentation process laid down for the project.
- follow the defined PDLC process and participate in improving the process, work with cross functional team to achieve project delivery goal.
- ensure all the work meets or exceeds predefined quality standards through exhaustive testing, peer reviews SQA process standards.
- are able to build solution which is easily scalable, high speed/ real-time performance, configurable, deploy-able and secure in SaaS environment using any open source tech stack.
- are able to identify, track and mitigate risks to the product
- are responsible for planning product iterations and releasing iterations on schedule.
Requirements
- 5-10 years’ experience in Java, J2EE and associated technologies (Spring, Hibernate, Web Services, Micro Services, Spring boot)
- Technical Skills: Core Java, Advanced Java, J2EE, Exception handling, Collections, Oops, UML, Oracle, Jenkins, Maven & Linux
- Should be able to build solutions which is easily configurable, deploy able and secure in SaaS environment.
- Must have worked spring boot Extensively.
- Strong hands on development experience in Java, J2EE.
- Product development experience in agile environment will be a big plus though not mandatory.
- Highly Tech Savvy and hands-on.
- Strong evidence of a solution/product created ground up.
Product Development:
- Has in-depth knowledge on technology and end to end development processes.
- Has the ability to recommend new processes/alternatives to meet Product development requirements and rolling them out the team.
Benefits
Five Reasons Why You Should Join Zycus
- Cloud Product Company: We are a Cloud SaaS Company and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.
- A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.
- Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization
- Get a Global Exposure: You get to work and deal with our global customers.
- Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.
About Us
Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and empowers procurement and AP officers to focus on strategic projects; offers data-driven actionable insights for quicker and smarter decisions, and its conversational AI offers a B2C type user-experience to the end-users.
Zycus helps enterprises drive real savings, reduce risks, and boost compliance, and its seamless, intuitive, and easy-to-use user interface ensures high adoption and value across the organization.
Start your #CognitiveProcurement journey with us, as you are #MeantforMore
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· Create and define performance metrics. Ideate, innovate and hack through the existing systems to improve performance.
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