
Looking for candidates only with tier 1 colleges OR have experience in a product-based company.
Desired Skills :
● Experience with data modeling and SQL/NoSQL databases
● Experience with distributed systems and microservices
● Good experience in working with any of Java/SpringBoot, GoLang or NodeJS
● Excellent problem solving and debugging skills
● Passionate about the experience of software engineering as much as the output
● A strong sense of ownership
● Ability to communicate your ideas and approach to solving problems with clarity

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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.
This position is ideal for someone with a solid foundation in Java and Spring Boot, who has a deep understanding of modern software development practices and is eager to work in a fast-paced, collaborative environment.
Requirements:
- Strong Java Expertise: Write clean, maintainable, and well-documented code using Java, adhering to best practices and coding standards.
- Spring Boot & Microservices: Develop and maintain scalable, resilient microservices using the Spring Boot framework.
- Design Patterns: Apply design patterns effectively in solving software design challenges.
- Unit Testing & Mocking: Write comprehensive unit tests, utilize mocking frameworks, and ensure high test coverage for quality assurance.
- High-Performance Code: Write optimized, high-performance code with a focus on speed, efficiency, and scalability.
- Secure Coding Practices: Ensure all code is secure and compliant with best security practices to protect against vulnerabilities.
- AWS & Cloud-Native Development: Leverage AWS services for cloud-native application development, deployment, and maintenance.
- Relational Databases: Work with relational databases, including writing complex queries and optimizing database interactions.
- NoSQL Knowledge: Basic understanding or hands-on experience with NoSQL databases is a plus.
- Agile Development: Collaborate effectively within an Agile development environment, participating in code reviews, sprints, and daily standups.
- Continuous Integration/Continuous Deployment (CI/CD): Familiarity with CI/CD pipelines and related tools to streamline development and deployment processes.
- Problem-Solving: Demonstrate strong problem-solving skills, troubleshooting, and debugging abilities.
- Collaboration & Communication: Work closely with cross-functional teams, communicate effectively, and contribute to the overall success of the project.
Qualifications
- A minimum of 4+ years of experience with Java.
- BE/B.Tech in Computer Science or equivalent degree required.
- Strong understanding of Spring Boot and Microservices
- Strong Java Expertise
- Good problem-solving skills
- Sound knowledge of OOP principles and best practices.
Job Description
Cateina Technologies is looking for a Java Developer, to build a solid team of passionate developers. As a prerequisite, the candidate should have 4+ years of sound programming knowledge and experience mainly in Java and also in the below-mentioned skills, and be willing to work with niche next-gen technologies.
Location: Mumbai
Job Opening: 1
Primary Focused on Java and Spring Boot, Microservice, and Hibernate.
Technical Skills:
- Java
- Spring, Springboot
- MySQL, Postgres SQL, Microservice
- Preference will be given to Jboss/ Camel/ Mule, Quarkus, JMS, MQ, Kafka
- Open API spec 2.0, 3.0
- Design, develop, and maintain robust RESTful APIs and web applications.
- Utilize the JSP framework and Spring Boot for application development.
- Ensure smooth communication using JSON and XML for REST services.
- Write efficient and optimized Oracle queries for database interactions.
- Implement authentication and security measures for application servers and APIs.
- Apply techniques for data integrity, hashing, and encryption.
- Collaborate with cross-functional teams to migrate microservices as needed.
Required Skills:
- Proficiency in Java development, particularly with JDK 1.8.
- Strong expertise in RESTful API services.
- Hands-on experience with JSON and XML communication.
- Solid understanding of application server management and API security practices.
- Ability to write and optimize Oracle queries.
- Experience in authentication mechanisms and security best practices.
- Knowledge of data integrity, hashing, and encryption techniques.
Other Additional Skills:
- Strong communication skills both written and verbal
- Enthusiastic, Creative, and flexible
- Organized, with an ability to prioritize time-sensitive assignments
- Capable of working both independently and in a team environment
- Should have prior team handling experience
- Professional with work ethics
- Completed any degree.
Who can apply
Candidates who:
- have the relevant skills and interests
- Stays in Mumbai or ready to re-locate
Office Location
Cateina Technologies
126, First Floor,
Shivkrupa Industrial Estate,
Lal Bahadur Shastri Rd,
Vikhroli (West),
Mumbai, Maharashtra 400083
Please go through our website www.cateina.com and read about what we do before coming to an interview
Experience in Sprnig Boot, Spring Cloud, Spring Security, Webservices
Good Communication Skills
B.Tech./ BE - Computer, IT, Electronics only
Required Skills:
- 3+ year of experience in Development in JAVA technology and springboot
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ 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.
Lentra is a new-age, domain-native platform built from the ground up, designed and developed to empower financial institutions with tomorrow’s lending ecosystem, today. With its full-stack, fully digital, secured
products and solutions, Lentra is the future of smart, seamless, secure digital lending.
Our solutions cover the Indian lending stack effectively for digital origination by providing capabilities like eKYC, vKYC, eSign, eNACH, etc., besides MultiBureau(R), a comprehensive BRE for faster decisioning and configurable onboarding workflows. Reliability and minimal TATs are the key takeaways from Lentra’s offerings.
Our Marquee Clients including the topmost private banks in India are now future-ready and encashing business opportunities. Lentra's zero-risk instant lending solution will empower the FIs to leapfrog into the future.
About the Role:
Lentra AI Pvt. Ltd looking for a Software Developer to manage the software development life cycle, from planning and prioritizing to testing and release. Software Developer responsibilities include gathering system
and user requirements, building Java modules and testing features before release. If you have hands-on experience developing software with agile methodologies and are ready to lead our junior developers, we'd like
to meet you. Ultimately, you will deploy and maintain functional, secure and high-quality applications.
Responsibilities:
The candidate has to perform the below responsibilities.
● Identify and analyze user requirements
● Prioritize, assign and execute tasks throughout the software development life cycle
● Develop Java EE applications
● Write well-designed, efficient code
● Review, test and debug team members' code
● Design database architecture
● Schedule product releases with internal teams
● Document development phases
● Ensure our applications are secure and up-to-date.
Candidate requirements
● Engineering graduate specializing in computers, Masters's degree in Computers
● Candidates should have a minimum of 3 years of experience in Java Development.
● Core Java, Hibernate, SpringMvc
● C++, Bootstrap, Angularjs, Node.Js, JQuery, SQL Server
● ASP.Net, ASP.Net MVC, MySQL, HTML
● JSTL,SOAP, C, J2Ee, JSP, Servlets, JEE
Location & commitments:
● This is a permanent opportunity
● Job location is in Pune
Java/J2EE stack
• Design and develop RDandX Network’s microservices and ensure bug free code is pushed to
the deployment pipeline to support large volume of transactions
• Define and communicate the technical design requirements to the Network’s stakeholders
and the Engineering lead
• Responsible for building restful services to integrate with third party services like AdWords
and Facebook marketing API
• Responsible for designing the technical architecture of the different services and
maintaining and upgrading it
• Designing the unit test cases and building the framework for the development team to
enforce the unit testing in all the services
• Be involved and participate in the end to end products’ lifecycle management
• Learn about new technologies and Stay up to date with best practices
• Collaborate with multidisciplinary team of designers, engineers, system administrators and
product team
• Lead the Backend team and manage their day to day activities and work deliverables
- Team with top-notch engineers, product managers, program managers, DevOps and QA following agile development methodologies
- Review functional requirements, providing technical feedback on feasibility and architectural approach and framework.
- Design and develop web / mobile applications
- Create Prototype and/or Proof of Concepts (POCs) when necessary
- Act in a technical leadership capacity: Mentor junior engineers and new team members, perform code reviews and apply technical expertise to challenging programming and design problems
- Utilize Agile Development, SCRUM / Pair / Extreme Programming methodologies
- Design and develop supporting components and microservices for the backend tiers focusing on fault-tolerance and scalability in a multi-tenant enterprise environment
- Maintain and improve the functionality and performance of the existing web applications
- Help shape and execute the technical roadmap to develop next generation features; integrate corporate- and product-level architecture principles and goals into the teams project work through designs, implementation strategies, and project planning.
- Drive a culture of quality, technical curiosity, continuous improvement, and evidence-based data driven decision making in the organization.
- Execute other Duties as assigned
- 3+ years of experience developing Backend, API and data-based applications/software
- Experience with one of the major relational databases (MySQL, Oracle, Postgres) and NoSQL databases (Mongo DB, Cassandra, Dynamo DB or such)
- Expert object-oriented programming experience using Java
- Strong OO design and programming skills in Java, Hibernate, JPA, Spring Boot
- Worked in Maven, JPA, REST services, Postman
- Working knowledge on Spring Security / Spring Batch / ZUUL / Eureka / Hysterix
- Exposure with Frontend technologies (React.js, Angular or Ruby-on-Rails)
- Require experience and Strong understanding of entire Software Development Life Cycle (SDLC), Agile (Scrum), Software design/architecture process, unit testing & Test-Driven Development (TDD)
- Experience with web services (consuming or creating)
- Experience managing Cloud infrastructure (resources and service) in AWS, Azure and/or GCP
- Strong knowledge of SOA, object-oriented programming, design patterns, multi-threaded application development
- Experience in reporting and analytics, queuing and real-time streaming systems
- Git or similar distributed SCM tools experience.
- MSSQL, SSIS, Performance Tuning, Data modeling.
- Experience in No SQL tools is must
- Candidate should have exposure to write scripts in Python/Node JS/MongoDB or any other tool
- Maria DB/MYSQL, Mongo DB, Github, Jira
- Understand Requirements from client and on-site team.
- Participate in preparing design and data modelling.
- Comfortable with SQL Stored procedures and queries development.
- Comfortable with SQL Stored procedures and queries development.
- Manage SQL Server through multiple product lifecycle / environments, from development to critical production systems.
- Apply best in industry standard techniques for data modeling to ensure performance, integrate and requirement.
- Ability to analyze independently problems and resolve them on time.

