Java
Spring Boot
Elastic Search
Amazon Web Services (AWS)About the role:
We are looking for a Backend Engineer to join a mature, scaled product platform that is already serving business-critical workflows. This role focuses on enhancing existing backend systems, improving reliability, performance, and scalability, and building new features on top of a well-established architecture.
The ideal candidate is strong at writing production-quality code, debugging complex distributed systems, and knowledgeable about how design decisions impact scalability, availability, and long-term maintainability. You will work closely with cross-functional teams to ensure the platform continues to perform reliably at scale while evolving with business needs.
What you will be expected to do:
- Develop, enhance, and maintain backend services for existing user, inventory, pricing, order, and payment management systems running at scale.
- Write clean, efficient, and highly reliable code using Java 8 and above and Spring Boot 2.7 and above.
- Own and improve production systems with a strong focus on performance, scalability, availability, and fault tolerance.
- Debug and resolve complex production issues involving services, databases, caches, and messaging systems.
- Contribute to low-level design (LLD) and actively participate in high-level architecture (HLD) discussions for new features and system improvements.
- Work with event-driven and asynchronous architectures, ensuring correctness and reliability of data flows.
- Optimize database schemas, queries, indexing strategies, and caching layers for high-throughput workloads.
- Partner with DevOps, QA, and Product teams to support smooth 24×7 production operations.
- Participate in code reviews, design reviews, and incident post-mortems to continuously improve system quality.
- Take end-to-end ownership of backend components, from design and implementation to deployment and production support.
You might be a strong candidate if you have/are:
- Bachelor’s degree in computer science, engineering, or equivalent experience.
- 2+ years of experience building and maintaining backend systems in production environments.
- Strong proficiency in Java with hands-on experience in Spring Boot–based microservices.
- Solid knowledge of data structures, algorithms, and backend problem solving.
- Strong experience with PostgreSQL or other relational databases in high-scale systems.
- Experience building and consuming RESTful APIs and working with asynchronous systems.
- Strong debugging and troubleshooting skills in live production systems.
- Good understanding of software engineering best practices, including testing, code reviews, CI/CD, and release management.
- Clear communication skills and the ability to partner effectively within a team.
- Hands-on experience with Kafka or similar messaging/event-streaming platforms.
- Exposure to distributed systems, microservices architecture, and scaling strategies.
Good to have:
- Experience using Redis, Elasticsearch, and MongoDB in production systems.
- Experience with monitoring, logging, and observability tools (e.g., Prometheus, Grafana, ELK).
- Familiarity with cloud infrastructure and containerized environments (Docker, Kubernetes).
- Experience participating in on-call rotations and handling production incidents.
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 King Center for Leadership.
About Sun King
Sun King is a leading off-grid solar energy company providing affordable, reliable electricity to 1.8 billion people without grid access. Operating across Africa and Asia, Sun King has connected over 20 million homes, adding 200,000 homes monthly.
Through a ‘pay-as-you-go’ model, customers make small daily payments (as low as $0.11) via mobile money or cash, eventually owning their solar equipment and saving on costly kerosene or diesel. To date, Sun King products have saved customers over $4 billion.
With 28,000 field agents and embedded electronics that regulate usage based on payments, Sun King ensures seamless energy access. Its products range from home lighting and phone charging systems to solar inverters capable of powering high-energy appliances.
Sun King is expanding into clean cooking, electric mobility, and entertainment while serving a wide range of income segments.
The company employs 2,800 staff across 12 countries, with women representing 44% of the workforce, and expertise spanning product design, data science, logistics, sales, software, and operations.
Shubham Vishwakarma
Full Stack Developer - Averlon
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.
Company social profiles
Similar jobs
Go Programming (Golang)JavaAbout Nomiso India: Nomiso is a product and services engineering company. We are a team of Software Engineers, Architects, Managers, and Cloud Experts with expertise in Technology and Delivery Management.
Our mission is to Empower and Enhance the lives of our customers through simple solutions for their complex business problems.
At Nomiso, we encourage entrepreneurial spirit - to learn, grow and improve. A great workplace thrives on ideas and opportunities. That is a part of our DNA. We’re in pursuit of colleagues who share similar passions, are nimble, and thrive when challenged. We offer a positive, stimulating, and fun environment – with opportunities to grow, a fast-paced approach to innovation, and a place where your views are valued and encouraged.
We invite you to push your boundaries and join us in fulfilling your career aspirations!
What You Can Expect from Us:
We work hard to provide our team with the best opportunities to grow their careers. You can expect to be a pioneer of ideas, a student of innovation, and a leader of thought. Innovation and thought leadership is at the center of everything we do at all levels of the company. Let’s make your career great!
Position Overview:
As our Senior Engineer (Back End), you'll be responsible for building new features, enhancing the existing ones as well as supporting them in production. You will also be responsible for building reusable libraries or technology platforms that address multiple use cases. You will work towards delivering specific milestones and objectives in a very dynamic environment.
Roles and Responsibilities:
● Working closely with the Engineers to develop the best technical design, strategy and drive execution to build capabilities into the platform
● Owning the delivery of various timelines, ensuring that key milestones are met and deliveries are of the highest quality
● Establishing various best practices for software development and encouraging their adoption with the team and organization
● Collaborate with other non-technical stakeholders of the business which includes Product Managers, Designers, Marketing etc.
● Encouraging and mentoring an excellent team of talented engineers by mentoring them and working with them to remove any roadblocks
● Functional availability of the software developed, enhancing the product based on functional requirements
● Managing cloud-based services, web applications for their functional correctness, availability, security
● Deploy and maintain enterprise class RESTful, GRPC based services
● Own the engineering excellence and operational readiness of the service driving the SLO,SLI, SLA of the relevant services
● Take ownership to drive quality of the services under your purview via integration test and unit test coverage
● Responsible for all microservices within your purview responsible driving their quality, security,availability, scalability and other “ilities”
● Dive deep into each issue, own reactive fixes, and execute long term fixes
● Assist other Support Engineers on complex RCA issues
● Provide technical mentoring and guidance to other engineers
● Provide L3 engineering support
Must Have Skills:
- Overall experience 7+ years and relevant at least 3+ years in Golang with Java
- Strong design and architectural experience in building various highly-scalable and highly-available products
- Strong understanding of the SDLC Activities which include Analysis, Design, Development, Testing, Deployment and Post-Production Support etc.
- Proficiency in at least one server side framework for Go Lang
- Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB, Redis etc
- Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues
- Able to work independently and multi-task effectively
- Program at a system level and able to manage service stability
- Excellent experience maintaining, scalable, extensible code
- Methodical in maintaining up to date documentation
- Metric-driven mindset and obsessive about ensuring clean coding practices
- Preferred experience in product development
- Preferred working experience on microservices platforms
- Proficiency in at least one modern web front-end development framework such as React JS will be a bonus
Good to Have Skills:
- Preferred experience in Elasticsearch and Kibana (ELK Stack)
- Preferred experience with messaging systems like RabbitMQ
Qualification:
- Bachelor of Science in Computer Science or equivalent technical training and professional work experience.
.NET
Redis
JavaSpring BootAmazon Web Services (AWS)- 2+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- 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:
- 4+ 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.
JavaElastic SearchAmazon Web Services (AWS)RESPONSIBILITIES
- New features developed independently with the ability to document the design after understanding and evaluating the requirements with necessary groundwork on required application components
- Hands-on coding to implement the design for feature completion
- Able to write unit tests that ensures bug free code
- Able to handle the multi-tenant and performance requirements of the new features and applications.
- Integrate the new features with existing modules, deliver ready to use code meeting necessary build requirements and CI/CD requirements.
- Work with other functional groups for product, technology, QA, tech support and deployment team.
QUALIFICATIONS
The ideal candidate must have the following qualifications.
- BE/B.Tech Degree from a reputed institution with at least 7 years of relevant experience
- Hands-on experience with Core Java, J2EE with a good knowledge of its ecosystem
- Experience with JUnit, JMH like performance tuning test tools preferred
- REST API design and development experience. Usage of Swagger or other API spec tools would be preferred. Working knowledge on Spring Boot is a plus
- Hands-on experience with some of the following application components is a plus: Solr, Kafka, OpenTSDB, Elasticsearch, Janus graph or any graph DB.
- Experience with databases such as MongoDB, MySQL or PostgreSQL required.
- Familiarity with continuous integration and build tools such as Jenkins or CircleCI, Maven, Ant required
- Experience building applications using microservices architecture is highly preferred. Knowledge of Kubernetes, Docker would be ideal
- Working knowledge on public clouds like AWS or Google cloud or Azure is a plus
- Experience building scalable systems
- Strong problem solving skills and ability and interest to solve complex problems
- Interest in machine learning (ML) data science is a plus
Python
DjangoAmazon Web Services (AWS)About Us
Our client is the ultimate secure platform to trade popular cryptocurrencies and earn an interest up to 17% p.a. on your crypto holdings.
We offer trading with the lowest fee in the market and offer the highest interest on your crypto assets to help compound your wealth, all on a single platform.
With our all-in-one trading and investment solutions, we empower users to navigate the crypto-verse.
Job Location: Bangalore
Role & Responsibilities
- 4+ years of recent hands-on coding and in-depth knowledge of building applications in the python framework.
- Have in-depth knowledge of development in Django framework, hands-on experience in working with WebSockets, deploying and managing applications in AWS.
- Have hands-on experience in working with storage, server, and client technologies
- Have testing, and debugging skills, and have experience in working with git, aws.
- Solid OOP and software design knowledge – you should know how to create software that’s extensible, reusable, and meets desired architectural objectives.
- Work with the product team to understand end-user requirements, formulate use cases, and then translate that into a pragmatic and effective technical solution.
- Dive into difficult problems and successfully deliver results on schedule.
- Can take ownership of end to end system
- Firefight with the production issues
- Experience in a peak performance organization, preferably a tech startup
Regards
Team Merito
JavaSpring Boot
Job Location: New Delhi
What you’ll do:
- Contribute to all phases of the Software development lifecycle
- Write well-designed testable, efficient code and complex code with Data Structure & Algorithms.
- Ensure designs are in compliance with specifications on Java and RestAPI.
- Prepare and produce releases of software component
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- A Developer whose job includes writing complex code, testing, and fixing bugs.
- Maintain, design the database and organize collected information.
- A specialized programmer who focuses on multiple types of development.
What you’ll bring:
- 2 year to 5 years of proven hands-on Software Development experience.
- Strong experience in Java programming
- Expertise Knowledge of Data structures and Algorithms
- Proven working experience in a product-based organization (preferred)
- Understanding with Java frameworks Spring boot, Microservices and ORM frameworks.
- Must have the experience to design and build scalable REST APIs.
- Object-oriented analysis and design using common design patterns.
Python
FlaskAmazon Web Services (AWS)
1: proficient in python, flask, pandas, GitHub and AWS
2: good knowledge of databases both SQL and NoSQL
3:Strong experience in REST and SOAP APIs
4: Experience with working on scalable interactive web applications
5:Basic knowledge of JavaScript and Html
6: Automation and crawling tools and modules
7: Multithreading and Multiprocessing
8:Good Understanding of test-driven Development
9: Preferred exposure to finance domain
Java- Proven hands-on Software Development experience
- Proven working experience in Java development
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring boot , hibernate Framework
Javascript
PHP
React.js
HTML/CSS
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon