Responsibilities:
- Design and deliver scalable web services, APIs and backend data modules.
- Understand requirements and develop reusable code using design patterns & component architecture and write unit test cases
- Collaborate with product management and engineering teams to elicit and understand the requirements and develop solutions
- Stay current with latest tools, technology ideas and methodologies; share knowledge by clearly articulating results and ideas to key decision makers.
Required Qualifications:
- 6+ years of experience writing multithreaded programs running in Java
- Experience on Java, Spring Boot,, Apache Nifi , workingDocker, EKS, Azkaban, Jenkins
- Experience with Git and build tools like Gradle/Maven/SBT.
- Strong understanding of object-oriented design, data structures, algorithms, profiling, and optimization.
- Have elegant, readable, maintainable and extensible code style.
- Experience on AWS is preferable
- Knowledge on top algorithms like sorting, heap/stack, queue, search, etc.
- Familiarity with test-driven development
- Thrive in a fast-paced environment, with ability to deliver code of quality quickly.
- Attention to details. Strong communication and collaboration skills.
- BS in Computer Science or equivalent

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JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
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. - 5-8 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 Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Website : www.wissen.com
We are looking for a qualified team leader to manage our team and provide effective guidance. The lead should be an excellent coder with proficiency and a clear understanding of different aspects of a project. You will be responsible for
supervising, managing, and motivating team members regularly. As a team leader, you will be the contact point for all Interactions with the architect and the team, so You must possess excellent communication skills. You should also be able to act proactively to ensure smooth team operations and effective collaboration.
Who are we looking for?
• Bachelors / Masters in Computer Science or equivalent with at least 7-10 years of professional experience.
●Strong software design and architectural skills in object-oriented and functional programming styles.
• Java 8, Microservices using Spring boot, Spring Cloud, Docker, Kubernetes orchestrator.
• Experience in working with Spring Framework - Spring Boot, Spring REST, Spring Security, Spring Data JPA, OAuth2, hibernate.
• Experience in Reactjs or Angular.
• Experience in RabbitMQ
• Experience in Unit Testing Tools like Junit/TestNG
• Experience in working with SQL & NoSQL databases such as MySQL, Mongo DB.
• Knowledge of CI/CD architecture.
• Knowledge of tools like Jenkins, SonarQube, Maven, Gitlab
• Experience in cloud technologies.
• Team management using Scrum methodologies.
You demonstrate the ability to work in a fast-paced and hyper-growth environment where the requirements are
constantly changing.
• Solid understanding of design patterns, data structures, and advanced programming techniques.
● Must have experience leading a team of at least 8- 10 people.
• Nice to have Python 3.6+, Image and textual data processing technologies.
- Immediate joiners with 5 to 10 years of experience.
- Should have team leading experience.
- Should be keen to work as a Developer.
- Java, Spring boot and Design patterns are key areas where they should be excellent.
- Good communication skills is a mandate.
- Should be willing to work on alternate Saturdays (10 AM to 4:30 PM).
- They will have to relocate to Chennai.
- Strong SQL skills, Postgres SQL database knowledge.
- Cloud Experience in deployment (CI/CD)
- Unit Test case
- Angular – good to have
- 3+ 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.
Job Description
We are looking for a great Java Developer who is passionate about working in the Microsoft tech stack using Java. Your primary focus will be on developing common reusable components and implementing them following well-known best practices. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving and an attitude to learn is essential.
Job Responsibilities:
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
- Contribute in all phases of the development lifecycle.
- Write well designed, testable, efficient code.
- Prepare and produce releases of software components.
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
- Design and develop dockerised microservices for cloud
Required skills and experience include:
- BS in Computer Science or other field of study and applicable work experience.
- Most likely 3-5 years of experience on Java Web Development.
- Experience in developing Microservices for cloud (Azure/AWS/GCP) is preferred
- Experience in Spring Framework (Spring boot, spring Batch), Spring MVC, Microservice model, RESTful web services
- Experience in databases like SQL Server, Oracle, PostgreSQL, MySQL, MongoDB is desired.
- Should have hands-on experience on Hibernate, JPA or MyBatis or any other persistence framework.
- Must have strong teamwork orientation and the ability to foster collaboration within and across teams
- Knowledge of Maven/gradle
- Knowledge of Docker, Kubernetes
- Good Communication skills ( English)
Primary Skills(Mandatory)
Core and Advanace Java 1.8 , Web and Microservice development using java (Jsp, Servlet, Spring boot, Spring MVC), Restful Web Services, Spring framework, RDBMS (Postgres, Mssql server), Hibernate
Secondary Skills
Java script, Frontend web development - (Angular,nodejs) ( Not mandatory)
Additional Information
- Should have experience of working in any previous IT Software company
- Any additional certification will be a plus
- Comfortable working from Office.
Java
Mandatory:
- Strong expertize in Java/J2EE(4-7 years of experience)
- Strong expertize in Microservices, SpringBoot
- Java including multithreading and concurrency
Preferred skills :
- Experience in Virtualization, SDN, NFV, Yang, Netconf
- Good Knowledge on Networking
- Multithreading and concurrency
SENIOR SOFTWARE DEVELOPER (BACKEND DEVELOPMENT):
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade web applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Responsibilities
• Java developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for
architectural review
Requirements
• BS/MS degree in Computer Science, Engineering or a related subject from renowned (IITs, NITs, BITS etc) colleges
• Excellent aptitude, algorithmic and puzzle solving skills
• Proven hands-on Software Development experience
• Proven working experience of 2+ years in Java development
• Hands on experience in designing and developing applications using Java EE platforms
• Object Oriented analysis and design using common design patterns.
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management, Multi-Threading etc)
• Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in the Spring Framework
• Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT,
Spring MVC)
• Experience with agile development










