Roles and Responsibilities:
- We are looking for software developers with hands-on experience in react, firebase, and UML for a Japanese company in New Delhi.
- You should be a passionate web developer, who will work as part of a core team to build best-in-class frameworks and web / mobile applications for Japanese clients.
- You will work under a native Japanese supervisor and contribute to designing and developing mobile and web applications.
- This is a great chance for learning and upgrading yourself in an international environment. You will help in developing software and application for our customers from various industries such as IT, manufacturers, finance, services, etc. Develop by using Java, C#, JavaScript,React.js, PHP, Python, Flutter, React Native, etc.
- Experience with frontend JavaScript, in conjunction with Typescript or Flow, and modern frameworks like React, React Native, Redux, and other JS libraries is an advantage.
- Experience as a full-stack engineer is an advantage.
- Self-directed, driven, and sharp.
- You'll be surrounded by teammates with deep experience in strategy, data, code, and design, hence a great chance to learn and upgrade your skills
- Experience with project management tools and Git is an advantage.
- Strong proficiency in HTML, CSS & JavaScript.
- Hand-on experience with react, firebase, UML.
- Should be a Japanese speaker JLPT N3, JLPT N2

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🔴 Profile: Java Developer
🔷 Experience: 2+ Years
🔷 Location: Mumbai
🔷 Mode: Immediate joiners preferred
✨ What we want:
✅ Core Java expertise (Java 8+, Collections, Multithreading)
✅ Spring Framework proficiency (Spring Boot, Spring MVC, Spring Security)
✅ Database skills (MySQL, PostgreSQL, Oracle, Hibernate/JPA)
✅ Microservices architecture experience
✅ RESTful API development and integration
✅ Maven/Gradle build tools
✅ Version control (Git, SVN)
✅ Application servers (Tomcat, JBoss, WebLogic)
✅ Cloud platforms (AWS/Azure preferred)
✅ Frontend basics (HTML, CSS, JavaScript - nice to have)
✅ Testing frameworks (JUnit, Mockito)
About Company
Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India, and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge WiFi-and-Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules, and development boards. By leveraging wireless computing, we provide green, versatile, and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust, and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE).
Espressif has a technology center in Pune. The focus is on embedded software engineering and IoT solutions for our growing customers.
About the Role
Espressif’s https://rainmaker.espressif.com/ is a paradigm-shifting IoT cloud platform that provides seamless connectivity to IoT devices to mobile apps, voice assistants, and other services. It is designed with scalability, security, reliability, and operational cost at the center. We are looking for senior cloud engineers who can significantly contribute to this platform by means of architecture, design, and implementation. It’s highly desirable that the candidate has earlier experience of working on large-scale cloud product development and understand the responsibilities and challenges well. Strong hands-on experience in writing code in Go, Java, or Python is a must.
This is an individual contributor role.
Minimum Qualifications
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BE/B.Tech in Computer Science with 5-10 years of experience.
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Strong Computer Science Fundamentals.
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Extensive programming experience in one of these programming languages ( Java, Go, Python) is a must.
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Good working experience of any of the Cloud Platforms - AWS, Azure, Google Cloud Platform.
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Certification in any of these cloud platforms will be an added advantage.
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Good Experience in the development of RESTful APIs, handling the security and
performance aspects.
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Strong debugging and troubleshooting skills.
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Experience working with RDBMS or any NoSQL database like DynamoDB, MYSQL, Oracle.
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Working knowledge about CI/CD tools - Maven/Gradle, Jenkins, experience in a Linux (or Unix) based environment.
Desired Qualifications
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Exposure to Serverless computing frameworks like AWS Lambda, Google Cloud Functions, Azure Functions
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Some Exposure to front end development tools - HTML5, CSS, Javascript, React.js/Anular.js
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Working knowledge on Docker, Jenkins.
Prior experience working in the IoT domain will be an added advantage.
What to expect from our interview process
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The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project, etc.
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Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
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Successful candidates will then be invited for 2 to 3 rounds of the technical interviews as per the previous round feedback.
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Finally, Successful candidates will have interviews with HR. What you offer us
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Ability to provide technical solutions, support that fosters collaboration and innovation.
Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.
What we offer
- An open-minded, collaborative culture of enthusiastic technologists.
- Competitive salary
- 100% company paid medical/dental/vision/life coverage
- Frequent training by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups, and seminars.
We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
- Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
- Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
- Collaborate with cross-functional teams to define, design, and implement new features and improvements.
- Troubleshoot and resolve issues related to system performance, scalability, and reliability.
- Ensure software quality through best practices, including testing, code reviews, and continuous integration.
- Implement and maintain security best practices in both code and data handling.
- Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.
Required Skills & Qualifications:
- 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
- Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
- Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
- Experience with microservices architecture and RESTful APIs.
- Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
- Strong understanding of distributed systems, message-driven architectures, and event streaming.
- Familiarity with version control systems like Git.
- Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
- Experience with CI/CD pipelines and automated testing.
Required Skills:
- 3+ year of experience in Development in JAVA technology.
- 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)
- 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.
Sr. Software Developer
Work Experience: 8+ Years
The Number of Vacancies: 2
Location:
CTC: As per industry standards
About the Job Description
Senior software developers are responsible for designing, testing, and implementing new and updated software programs. They take on a managerial role and lead the development team with all software development tasks. Their job is to ensure all projects are completed on time and to company specifications.
What We Are Seeking
- Hands-on experience in Core Java and Advanced Java.
- Hands-on Java Framework-Architecture and Advanced Concepts Understanding and Implementation in Real-Time Projects
- Knowledge of Weblogic, Microservices
- Experience in developing APIs and RESTful services using Node JS.
- Strong understanding of the usage and implementation of JWT tokens and access control API development.
- Knowledge of AWS, SSL integration, Docker, Postman
- Extensive knowledge of MongoDB, MySQL, Redis, and Oracle.
- Understanding of how to integrate third-party APIs such as Payment Gateway
- Knowledge of code versioning tools such as GIT
- Must have good analytical, debugging, and problem-solving skills.
- Good communication skills.
Responsibilities
- Produce high-quality code and experience with security implementations.
- Collaborating with front-end developers on the integration of elements.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Work with the QA Team to develop testing protocols to identify and correct challenges.
● Execute these via designs and high quality implementations in Java and/or Python.
● Work with frontend engineer to clearly demarcate division of responsibilities via REST based interfaces.
● Focus on solutions that deliver non functional requirements around performance, scalability, security, high availability, monitorability, debuggability and other such concerns.
● Evaluate new technologies and build prototypes for continuous improvements
● Very strong real world experience on Java, Springboot, Microservices.
● Advocate best practices and standards
Jamun Informatics Private Limited (Jamun) is a Delhi-based startup Backed by Splendor Group, a pedigreed Indian business house. Jamun is focused on creating niche software solutions to solve B2C and B2B problems in the ecosystem of Consumer Durables and Electronics (CDEs). Jamun is creating India’s first Super App for Personal and Home Electronics and Appliances or CDEs – PingKaro. Jamun is partnering with various Brands and integrating with their CRM systems to create a new ecosystem for customers across the country.
POSITION: Fullstack Java Developer / Senior Software Developer
LOCATION: New Delhi
PRIMARY SKILLS: Java, AWS, Spring, Spring, multithreading, mySql, mongoDB.
EDUCATION: B.Tech/B.E. in Any Specialization, MCA
ROLES AND RESPONSIBILITIES
•Someone strong/experienced in Java development along with AWS.
•Hands-on experience with Frameworks like SpringBoot, Spring MVC, hibernate is must
•Good experience with Multithreading & Collections.
•Knowledge of lambda, S3, containers, ElastiCache, Aurora/RDS, noSql(MongoDB),
•Knowledge or experience with AngularJS or ReactJS will be an added one.
•Java 11 is a must.
TECHNICAL REQUIREMENTS:
•Hands-On experience on Springboot, Spring MVC, Web services (RESTful/Web Client API), JPA, Microservices.
•In depth understanding of Databases (mySQL/NoSQL).
•Proficient in Java Collection, Multithreading, Version control tools: GIT/BigBucket, Caching Strategies, JUnit & Mockito Testing, Server side validation, Transaction Management.
•Profound in Memory Management, Performance Tuning, Spring Profiles, Knowledge about Postman, Jira tools, Versioning tools (GIT/Bitbucket), to commit code.
•Good in problem solving and delivering high quality code.
•For API testing understanding of POSTMAN/SOAPUI, Jenkins for CI/CD pipelines and Kibana is a must.
•Hands-on experience on Java11, Spring boot, Web service (Restful/Web Client API), JPA, Microservices, DB working knowledge (SQL/No SQL).
ADDITIONAL SKILLS (SECONDARY SKILLS):
Understanding of AWS, Docker, Swagger, Dev Ops, Scrum/Agile, UI will be a plus.
• Prior Startup Experience would be preferred.
• Immediate Joiners Preferred

- Computer Science fundamentals in object-oriented design, design patterns, data structures, algorithm design,
- Proficiency with Java
- 1+ years of experience contributing to architecture and design in a product setup
Key Responsibilities
- Understand customer needs by collaborating with Product Managers and Business stakeholders
- Design, development, delivery, and support of large-scale, distributed software applications and tools
- Use software engineering best practices to ensure a high standard of quality and maintainability for all deliverables
- Work in an agile, startup-like development environment, where you are always working on the most important stuff.
- Take initiatives and come up with new ideas to invent solutions for customers








