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

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Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
1. Design patterns- socket communication/ micro services architecture
2. Caching - REDIS MEMCACHED etc
3. Database - MONGO, SQL etc. min 2yrs experience with these.
4. Features created for large concurrent requests.
5. Node Js, Go lang any asynchronous programming language min 2 yrs exp with any one of them.
6. Message Queues - RABBIT MQ, Kafka etc.
Job Responsibilities:
* Design, build, and maintain efficient, reusable, and reliable Java code
* Ensure the best possible performance, quality, and responsiveness of the applications
* Identify bottlenecks and bugs, and devise solutions to these problems
* Help maintain code quality, organization, and automatization
* Prepare the technical design of complex technology components
Mandatory Skills:
* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java
* Solid understanding of object-oriented programming along with various design and architectural patterns
* Hands on experience with Spring, Spring Boot, JUnit
* Familiarity with concepts of MVC, Microservices, RESTful
Title: Senior Java Developer
Location: Pan India/Remote work
Senior Java Developer
Functional Experience:
5+ years of work experience, bachelor's degree in computer science or a related field, develop applications for cloud computing, design, maintain and operate cloud systems/microservices and applications, keep cloud systems secure, fully tested and integrated with all the other products/applications, understand the language of business and develop to address the business’s needs.
Technical Skills Required:
Minimum 6 year of hands-on Java (including Java 11) programming; Experience and knowledge of open-source software, frameworks around server-side development in Java 11; wide and deep understanding of Java ecosystem, monitoring and diagnosis, Spring Boot.
Notice Period: 0-30 Days
- Hands-on programmer with ability to write idiomatic code in Java
- Strong preference to write automated unit & integration tests
- Prior experience in designing & deploying Microservices and performant REST APIs
- Good understanding of and experience in Continuous Integration / Continuous Delivery
- Hand-on experience using one of the server-side Java frameworks such as Spring Boot
- Excellent communication skills
Nice to have
- Experience working with AWS or other Cloud providers
- Experience working in Event-Driven systems (using Apache Kafka or something similar)
- Exposure to Angular or React
- Experience in PHP & MySQLi, various open source frameworks,
- Strong knowledge in JavaScript, XHTML, CSS, AJAX, SQL,
- Strong Knowledge in Frameworks like Laravel
- Strong skills of APIs Creation & integration
- Knowledge of Cloud Servers like AWS, Digital ocean
- Know how to Secure the PHP Scripts from attacks or injections,
Primary Skills
Core java, J2EE frameworks (e.g. Spring), ORM (e.g. Hibernate) with a good understanding of multi-tiered web-based applications. Should be strong with OOPS concepts. Should have good SQL writing skills. Banking domain experience is an added advantage. Should have worked on REST APIs. Experience with Third Party Integration. Hands on experience on writing Unit test cases and Integration test cases. Experience on MVC Architecture.
Job Specification
BS/MS degree in Computer Science, Engineering or a related subject Proven hands-on Software Development experience Proven working experience in Java development Hands on experience in designing and developing applications using Java EE platforms







