
Job Description:
We are looking for a skilled and enthusiastic Java Developer to join our development team. The ideal candidate should have solid experience in Java and should also be familiar with Kotlin for backend development. You’ll be responsible for designing, developing, and maintaining high-performance, scalable applications.
Key Responsibilities:
- Design, develop, and maintain efficient, reusable, and reliable Java code.
- Work on Kotlin-based backend applications as per project requirements.
- Develop RESTful APIs and backend services.
- Ensure the best possible performance, quality, and responsiveness of applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Identify bottlenecks and bugs, and devise solutions to these problems.
- Participate in code reviews and contribute to team knowledge sharing.

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Role : Java Developer
Location : Bangalore
Key responsibilities
- Experience – 3 to 8 years of experience.
- 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:
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.
Our workforce consists of 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 has grown its revenues by 400% in these five years without any external funding or investments. Globally present with offices US, India, UK, Australia, Mexico, and Canada.
We offer 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® company for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies. 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’.
The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients. We have served clients across sectors like Banking, Ecommerce, Telecom, Healthcare, Manufacturing, and Energy.
Career Progression:
At Wissen Technology, your career growth is important for us. Therefore, we put in several efforts towards each employee’s career progression – to enable and empower them to grow within the company as well as to instill a sense of responsibility, loyalty, and trust.
There have been instances where a software engineer has grown from being an individual contributor to technical lead and now on the path to becoming a director responsible for growing revenues and profitability. We deeply value Ownership: taking responsibility, making it happen, not letting the ball drop, and being accountable.
About Company
Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.
Minimum Requirements/Qualifications:
• Bachelor’s/Master’s degree in computer science, Computer Engineering or a related field is preferred.
• Must have at least 5 to 7 years of experience in application development (Java,Spring Framework), Deployment(Apache Tomcat & Nginx)
• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts.
• Knowledge & hands-on experience of Java, Spring Framework, Spring Security, JSP, Apache Tomcat, Nginx is a must.
• Must have experience with Bootstrap CSS, jQuery etc.
• Basic Understanding of PostgreSQL, MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services.
• Relevant Knowledge of Java GUI frameworks according to project requirements.
• Experience in handling external and embedded databases.
Roles & Responsibilities
• Develop new modules, patches & Updates/upgrades for an existing application (developed in-house by the client)
• Bug fixing, and updating of software.
• Analyze user requirements to define business objectives.
• Maintain Java-based applications that can be high-volume and low-latency.
• Identify and resolve any technical issues arising.
• Write well-designed, testable code.
• Conducting software analysis, programming, testing, and debugging.
• Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.
Required Skills and Experience:
Proficient in Java (Java 8 and above), with a strong understanding of object-oriented programming.
Knowledge in the trading domain, including familiarity with trading systems and protocols.
Strong skills in SQL and PL/SQL for database management and query optimization.
Hands-on experience with Linux and Windows operating systems for application deployment and maintenance.
Proficiency in scripting languages (e.g., Bash, PowerShell, or similar).
Knowledge of Python programming for auxiliary development and analytics tasks.
Familiarity with multithreading, concurrency, and low-latency application development.
Experience with CI/CD pipelines, version control systems (e.g., Git), and deployment workflows.
Role – Senior Developer (Back End)
Location - Bangalore
Experience 5+ Years
Responsibilities
- Responsible for design & developing products involving Java, JEE, Springboot.
- Object-oriented analysis and design using common design patterns.
- Deep insight of Java and JEE internals such as memory management, transaction management, etc.
- Design and develop features and modules for mission-critical applications.
- Contribute in all phases of the development lifecycle.
- Ensure designs are in compliance with specifications.
- Prepare and produce releases of software components.
- Mentoring and guiding the team members.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
- Implementation of API.
Requirements
- 5+ years of experience in strong core java & J2EE skill
- 5+ years of experience in Spring Boot.
- 5+ years of experience in Spring and REST/SOAP services
- Strong knowledge in Java web application design and development
- Strong knowledge of Spring frameworks (Spring Boot, Spring integration, Spring Security, etc.), JPA, RESTful APIs
- Experience with design and development of highly available, distributed and scalable transactional enterprise systems
- Results oriented and focused on meeting deliverable timelines.
- A team player with excellent communication skills.
● Proven work experience as a Back-end developer.
● In-depth understanding of the entire web development process (design, development and deployment).
● Proficient in Java, with a good knowledge of its ecosystems
● Basic understanding of JVM, its limitations, weaknesses, and workarounds
● Ability to decide when to use relational vs NoSQL databases and must be experienced with at least one of
the relational databases (MySQL) as well as experience with ElasticSearch will be good to have
● Familiarity with concepts of MVC, JDBC, and RESTful
● Experience with Spring, Spring Boot, Spring MVC
● Experience in CI/CD and Cloud technologies
● Expertise in developing enterprise-level web applications and RESTful APIs using MicroServices, with
demonstrable production-scale experience
● Familiarity with front-end languages (e.g. HTML, JavaScript and CSS) - Not mandatory
● Participation in coding competitions such as hackathon, hackerrank will be added advantage.


➢ Must have great ability to create RESTful webservices in SpringBoot
➢ Great to have knowledge and experience in PL/SQL
➢ Great to have exposure into React 17+/MaterialUI
➢ Exposure into Load Balancing using Nginx
➢ Exposure into Docker
➢ Exposure into Fusion
Knowledge, Skills and Attributes:
➢ Good verbal, written communication skills and interpersonal skills
➢ Ability to work in late evening shifts to overlap with the counterparts in US
➢ Demonstrate a positive attitude
➢ Display a level of integrity
➢ Immediate joining
➢ Experience of minimum 5 years
➢ Handle things individually, ready to start off

- 8+ years of relevant work experience
- Well-versed in data structures, algorithms, and software design. Programming experience with at least one of
- Java or Python and object-oriented design
- Knowledge on SQL, NoSQL databases, Messaging/Caching technologies and AW deployments is a plus
- Exposure to the architecture and design (design patterns, security, reliability and scaling) of new and current systems. Experience in building highly scalable business applications, which involve implementing large complex business flows involving multiple third-party integrations
- Prior startup experience is a plus
We are hiring for Java senior Developers with Spring Boot and Microservices experience for Bangalore location. It is work from home now and after 6-8 months candidate must relocate to Bangalore.
Senior Java Developers
6-10 yrs
Should have hands on experience in Spring Boot and Microservices
Writing well-designed, efficient, and testable code.
Delivering high availability and performance.
Contributing in all phases of the development lifecycle.

