Lead Java Developer

JOB DESCRIPTION

Experience: 4-9 years

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. 4-9 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.

Job Description: https://drive.google.com/file/d/1P2sPZKidnBCGHEIunjdRaFLUHX3R5_Ov/view?usp=drive_link

JOB DESCRIPTION

Experience: 4 to 10 years

Location- Bangalore/ 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. 4 to 10 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.

Experience: 3-5 years

Wissen Technology is now hiring for a Java Developer (with Azure) - 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. - 3-5 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.

JOB DESCRIPTION

Experience: 4+ years

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+ 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.

Must have

Experience in the Core Java development 

Good understanding of Object Oriented Design, Design Patterns and data structure algorithms

Experience in Multi-threading, Hashmaps, Collection arrays

Experience in Java collections

Experience in developing applications using Spring Boot

Proficient in building Micro Services with Java 1.8 or higher, J2EE, Spring, Spring Boot.

Proficient with No SQL and Relational Databases

Hands on experience in Unit testing frameworks like Junit / Mockito OR TDD

Java Developer – Playwright

Experience: 5–10 Years

Location: Bangalore

Primary Skill: Java Development – 80%

Secondary Skill: Playwright – 20%

Job Summary

We are looking for a skilled Java Developer with 5+ years of experience in designing, developing, and maintaining scalable Java applications. The candidate should have strong hands-on expertise in Core Java / Java 8+, backend development, and a good understanding of software development practices.

Experience with Playwright for UI automation and testing is required as a secondary skill. The role will involve approximately 80% Java development and 20% Playwright-based automation/testing.

Key Responsibilities

• Design, develop, and maintain scalable applications using Java.
• Develop clean, efficient, reusable, and maintainable code.
• Work on backend services, APIs, business logic, and application components.
• Troubleshoot and resolve application issues and performance bottlenecks.
• Participate in code reviews and follow coding and development best practices.
• Collaborate with product managers, architects, QA engineers, and other development teams.
• Develop and integrate RESTful APIs and backend services.
• Write unit and integration tests to ensure application quality.
• Contribute to CI/CD and Agile development processes.
• Develop and maintain automated UI test cases using Playwright.
• Use Playwright to validate web application functionality and support regression testing.
• Investigate and resolve automation failures in collaboration with QA and development teams.

Required Skills

• 5+ years of professional experience in Java development.
• Strong knowledge of Core Java, Java 8/11/17+, OOP, collections, exception handling, multithreading, and Java fundamentals.
• Strong experience with Spring / Spring Boot.
• Good experience developing REST APIs and microservices.
• Experience with SQL and relational databases.
• Good understanding of design patterns and software development principles.
• Experience with Git and build tools such as Maven or Gradle.
• Hands-on experience with Playwright for web automation.
• Good understanding of automated testing concepts.
• Experience working in Agile/Scrum environments.
• Strong analytical and problem-solving skills.

Good to Have

• Experience with Microservices architecture.
• Knowledge of Docker/Kubernetes.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Knowledge of Kafka or other messaging technologies.
• Experience with CI/CD tools such as Jenkins, GitHub Actions, or GitLab CI.
• Experience with JUnit/Mockito and API testing.
• Familiarity with Selenium or other UI automation frameworks.

Education

Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Role Summary

Java Development: 80%

Playwright Automation: 20%

Experience: 5–10 Years

Location: Bangalore

Experience: 12–15 Years

Job Type: Full-time

Role: Java Lead / Technical Lead

Job Summary

We are looking for an experienced Java Lead with 12–15 years of hands-on software development experience to lead the design, development, and delivery of scalable enterprise applications. The ideal candidate should have strong expertise in Core Java, Spring Boot, Microservices, REST APIs, SQL, and cloud technologies, along with proven experience in technical leadership and mentoring development teams.

The candidate will work closely with architects, product managers, and engineering teams to translate business requirements into robust and scalable technical solutions.

Key Responsibilities

• Lead the design, development, and implementation of Java-based enterprise applications.
• Provide technical leadership and guidance to a team of Java developers.
• Design and develop scalable, secure, and high-performance microservices and RESTful APIs.
• Participate in architecture and technical design discussions and contribute to key technical decisions.
• Review code and ensure adherence to coding standards, design principles, and best practices.
• Troubleshoot complex technical issues and provide effective solutions.
• Work closely with product managers, business analysts, QA, DevOps, and other stakeholders.
• Mentor developers and conduct technical knowledge-sharing sessions.
• Identify opportunities for improving application performance, scalability, reliability, and maintainability.
• Ensure effective implementation of unit testing, integration testing, CI/CD, and automated deployment practices.
• Participate in production support, root-cause analysis, and resolution of critical issues.
• Stay updated with emerging technologies and recommend suitable solutions where applicable.

Required Skills

• 12–15 years of experience in Java/J2EE application development.
• Strong expertise in Core Java, OOP, Collections, Multithreading, Exception Handling, and Java 8+ features.
• Strong hands-on experience with Spring Framework and Spring Boot.
• Excellent experience in Microservices architecture and RESTful web services.
• Strong understanding of design patterns, SOLID principles, and software architecture.
• Good knowledge of SQL and relational databases such as PostgreSQL, MySQL, or Oracle.
• Experience with Hibernate/JPA.
• Strong understanding of data structures and algorithms.
• Experience with Git and Maven/Gradle.
• Good understanding of CI/CD pipelines and DevOps practices.
• Experience with Docker and Kubernetes is preferred.
• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Experience with messaging technologies such as Kafka or RabbitMQ is an advantage.
• Strong debugging, problem-solving, and analytical skills.

Leadership & Soft Skills

• Proven experience in leading or mentoring technical teams.
• Strong communication and stakeholder-management skills.
• Ability to drive technical discussions and make sound engineering decisions.
• Ability to work effectively in a collaborative, agile environment.
• Strong ownership and accountability for technical deliverables.
• Ability to balance hands-on development with technical leadership responsibilities.

Education

Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related field.

Preferred Qualifications

• Experience working on large-scale, distributed enterprise applications.
• Experience with cloud-native application development.
• Knowledge of event-driven architecture.
• Experience with system design and high-level/low-level design.
• Familiarity with Agile/Scrum methodologies.

Experience

9–18 Years

Education

IIT / NIT graduates only

Interview Process

Candidates must be available for a Face-to-Face interview in Bangalore or Mumbai.

Key Responsibilities

• Design and develop scalable, high-performance Java applications.
• Lead a team of engineers and drive technical excellence.
• Architect enterprise-grade solutions and provide technical guidance.
• Collaborate with cross-functional teams to define, design, and deliver high-quality software.
• Review code, mentor team members, and ensure engineering best practices.
• Drive system design discussions and resolve complex technical challenges.

Required Skills

• Strong expertise in Core Java and Java ecosystem.
• Excellent problem-solving and analytical skills.
• Very strong coding ability with clean coding practices.
• Strong understanding of System Design and distributed systems.
• Hands-on experience in Java Architecture and designing scalable applications.
• Experience leading engineering teams and mentoring developers.
• Good understanding of software design principles, design patterns, and performance optimization.
• Strong communication and stakeholder management skills.

Preferred Skills

• Experience with Spring Boot, Microservices, REST APIs, and cloud technologies.
• Exposure to CI/CD, containerization, and modern DevOps practices is an advantage.

1.Candidates should have experience in design and develop high-volume applications for delivering

high-availability and performance.

2. Write Well designed, testable and efficient code.

3. Ensure designs are in compliance with specifications.

4. Prepare and produce releases of software components.

5. Support continuous improvement by investigating alternatives and technologies for the

architectural review.

6. Should be highly motivated in both solo and team situations by contributing to a great team spirit.

7. Desire and drive to take an active role in improving the end product

8. Should have strong knowledge of client server interaction, good understanding of REST

architecture

SKILLS REQUIRED