
We are looking for an experienced Java Developer who will work closely with the
technical lead to identify and establish best practices in the company.
Requirements & Responsibilities :
● Design and develop features using Core Java, Spring Boot, and Hibernate
● Ability to design database schema, develop views and stored procedures
● Participate in user story grooming, design discussions and proposal of solutions
● Maintain existing software systems by identifying and correcting software defects
● Practice standard development process leveraging agile methodologies such as
SCRUM and TDD
● Review and analyze business requirements and provide technical feasibility and
estimates
● Manage development / support functions etc
● Excellent in OOPS concepts, system design
● Strong knowledge of Core Java, Spring, Hibernate and Microservices
● Hands-on experience in DB design, SQL, UI Technologies like HTML/CSS,
JavaScript, jQuery, etc.
● Good knowledge of design patterns
● Excellent knowledge of JSP, Servlets, WebServices, JUnit
● Experience in Agile software development
● Familiarity with JIRA, GIT, Maven
● Experience in working directly with a client
● Good knowledge in requirement gathering, analysis, and designing

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🧠 Job Description: Senior Java Developer (8+ Years Experience)
Location: Mumbai, India
Employment Type: Full-time, Hybrid mode of working
Company: Wissen Technology
Website: www.wissen.com
🚀 About Wissen Technology
Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.
- 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
- 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
- 🏆 Great Place to Work® Certified
- 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
- 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
- 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies
Learn more about our work and thought leadership:
📄 Articles by Wissen | 💼 LinkedIn
About the Role
We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.
Key Responsibilities
- Design, develop, and maintain complex applications using Core Java and Spring frameworks
- Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
- Implement and optimize multithreaded applications for high-performance systems
- Work with SQL databases for efficient data modeling, query optimization, and integration
- Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
- Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
- Mentor junior developers and contribute to technical knowledge sharing within the team
- Ensure application scalability, performance tuning, and security compliance
Required Skills & Qualifications
- Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
- 8+ years of professional experience in Java development
- Strong expertise in Core Java, OOPS, and Multithreading
- Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
- Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
- Solid understanding of software development life cycle (SDLC) and Agile methodologies
- Strong analytical, problem-solving, and communication skills
🌟 Why Wissen?
Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.
Role: Sr. Java Developer
Exp: 5-7 Years
CTC: up to 30 LPA
Location: Bangalore
Roles and Responsibilities:
- Requirement Analysis, Design and develop, build and maintain modular widgets, custom
- interfaces and middleware components using technologies mentioned.
- Only candidates with motivation to do hands on development and troubleshooting, are
- Willing to help team members when they are stuck, and are willing to work for a technology oriented firm should apply.
- Candidates with experience in technologies like J2EE, spring, Hibernate and java related technologies should apply.
- Ability to design and code using open-source technologies and frameworks.
Looking candidates from Banking or Payment Domain
- Proven experience in any high-level programming languages like Java (Preferably)
- Strong knowledge of data structure, algorithms and coding
- Experience with any Messaging technologies like Kafka or Rab-bitMQ, etc.
- Proven experience in database technologies like NoSQL
- Hands-on experience with Spring, Spring Security, Spring boot, and Hibernate framework.
- Working knowledge of developing Restful Micro services.
- Strong analytical, problem-solving skills.
- Attend team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
- Ability to understand the Platform/domain of the business in detail & Ability to multi-task.
- Good communication and organizational skill
Egen is a data engineering and cloud modernization firm helping industry-leading companies achieve digital breakthroughs and deliver for the future, today. We are catalysts for change who create digital breakthroughs at warp speed. Our team of cloud and data engineering experts are trusted by top clients in pursuit of the extraordinary. An Inc. 5000 Fastest Growing Company 7 times, and recently recognized on the Crain’s Chicago Business Fast 50 list, Egen has also been recognized as a great place to work 3 times.
You will join a team of insatiably curious data engineers, software architects, and product experts who never settle for "good enough". Our Java Platform team's tech stack is based on Java8 (Spring Boot) and RESTful web services. We typically build and deploy applications as cloud-native Kubernetes microservices and integrate with scalable technologies such as Kafka in Docker container environments. Our developers work in an agile process to efficiently deliver high value data driven applications and product packages.
Required Experience:
- Minimum of Bachelor’s Degree or its equivalent in Computer Science, Computer Information Systems, Information Technology and Management, Electrical Engineering or a related field.
- Have experience working and strong understanding of object-oriented programing and cloud technologies
- End to end experience delivering production ready code with Java8, Spring Boot, Spring Data, and API libraries
- Strong experience with unit and integration testing of the Spring Boot APIs.
- Strong understanding and production experience of RESTful API's and microservice architecture.
- Strong understanding of SQL databases and NoSQL databases and experience with writing abstraction layers to communicate with the databases.
Nice to have's (but not required):
- Exposure to Kotlin or other JVM programming languages
- Strong understanding and production experience working with Docker container environments
- Strong understanding and production experience working with Kafka
- Cloud Environments: AWS, GCP or Azure
About Company:
The company is a global leader in secure payments and trusted transactions. They are at the forefront of the digital revolution that is shaping new ways of paying, living, doing business and building relationships that pass on trust along the entire payments value chain, enabling sustainable economic growth. Their innovative solutions, rooted in a rock-solid technological base, are environmentally friendly, widely accessible and support social transformation.
Requirements:
1. Java 8+, J2EE,
2. Core Java- More hands on collections framework
3. JPA- Spring, Hibernate
4. Webservices (SOAP / Rest)
5. Knowldege on SQL & PLQL (Oracle/MySQL)
6. Expericne in Agile tools & processes
7. Good analytical & Communication skills
● 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
• Strong leadership skills; 3 years experience leading development teams.
• Experience architecting technical designs based on functional and business requirements.
• Project Management skills
• Exceptional communication skills, verbal and written
• Should be able
• To produce high quality technical documentation for our customers
• To decompose technical tasks and provide accurate estimates
• To coach less experienced members of your team
• To undertake development tasks without supervision, including software designing, programming and Unit testing
• To monitor progress and provide updates to the Project Manager
Job Description:
- Must have experience of 1 – 6 years.
- Experience in Java/J2EE platform.
- Experience in web application development with JSP, Servlet, Spring Boot, Hibernate
- Knowledge of MySQL database.
- Developed REST and SOAP web services..
- Experience in version control system and build tool
- Must have completed BE/MCA/M.Sc/MTech.
- 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








