Senior Java Developer at Wissen Technology · Bengaluru (Bangalore) · 5 - 9 years · Profitable · Posted 9 Oct 2025

⚠️ Important Note (Please Read Before Applying):
- Only candidates with 5–8 years of relevant experience should apply.
- Freshers or candidates with less than 5 years of experience – please do not apply.
- Only immediate joiners or candidates currently serving notice will be considered.
Job Title: Java Developer (5–8 Years)
Location: Bangalore (Hybrid Mode)
Experience: 5 to 8 years
Joining: Immediate / Notice Serving Only
About the Role:
We are looking for passionate and highly skilled Java Developers to join our dynamic team in Bangalore. The ideal candidate will have strong expertise in Java, Spring Boot, Collections, Multithreading, and Data Structures & Algorithms (DSA), with proven problem-solving abilities.
Key Responsibilities:
- Design, develop, and maintain high-performance, scalable, and secure applications.
- Work with Spring Boot and related frameworks to build microservices-based solutions.
- Optimize code using Collections & Multithreading concepts for performance and reliability.
- Apply strong DSA and problem-solving skills to deliver efficient solutions.
- Collaborate with cross-functional teams to ensure timely delivery of high-quality software.
- Troubleshoot, debug, and resolve production issues efficiently.
Required Skills & Experience:
- 5–8 years of hands-on experience in Core Java and Spring Boot.
- Strong expertise in Collections, Multithreading, and Concurrency.
- Solid understanding of DSA, Algorithms, and System Design fundamentals.
- Experience in developing REST APIs and Microservices.
- Proficiency in writing clean, maintainable, and efficient code
- .Strong analytical and problem-solving skills.
Why Join Us?
- Opportunity to work on cutting-edge projects with modern architectures.
- Hybrid work setup in Bangalore.
- Fast-paced and growth-driven environment.

About Wissen Technology
About
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.
With offices in 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. 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.
Connect with the team
Similar jobs (10)
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.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
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.
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.
Job Description: https://drive.google.com/file/d/1P2sPZKidnBCGHEIunjdRaFLUHX3R5_Ov/view?usp=drive_link
Build Products. Solve Real Problems. Grow with Us.
Are you passionate about building scalable applications, solving complex engineering challenges, and working with modern technologies?
At NonStop io Technologies, we're looking for a talented Java Developer who enjoys creating high-quality software, collaborating with smart teams, and continuously learning new technologies.
This isn't just another development role. You'll work on real-world products, modern architectures, cloud technologies, AI-powered development tools, and systems that impact businesses and users every day.
If you're someone who loves writing clean code, takes ownership of your work, and wants to grow into a strong technical contributor or future tech lead, we'd love to connect with you.
About NonStop io Technologies
NonStop io Technologies is a product engineering company with 10+ years of experience building web and mobile applications for startups and enterprises.
We're a team of passionate engineers who believe in:
- Building products, not just projects
- Continuous learning and innovation
- Engineering excellence and quality delivery
- Long-term ownership and customer success
- Collaboration, transparency, and growth
Our engineers don't just execute tasks, contribute ideas, influence architecture decisions, and help shape products from concept to scale.
What You'll Be Working On
- Designing and developing scalable backend applications using Java and Spring Boot
- Building REST APIs and Microservices
- Working on cloud-ready applications and distributed systems
- Collaborating with product managers, designers, and engineers
- Improving application performance, scalability, and reliability
- Contributing to architecture and technical design discussions
- Leveraging AI-powered development tools to enhance productivity
- Working with CI/CD pipelines and modern software engineering practices.
Skills We're Looking For
Must Have
- 3–6 years of experience in Java development(Min 3 Years)
- Strong expertise in Java, Spring Boot, Spring MVC, and Hibernate/JPA
- Experience building Microservices and REST APIs
- Strong understanding of OOP, Design Patterns, and Clean Coding Practices
- Experience with MySQL or PostgreSQL
- Working knowledge of Git
- Hands-on experience with Frontend Technologies (HTML, CSS, JavaScript, React/Angular)
- Experience with Maven or Gradle
Good to Have
- Experience with AWS or cloud environments
- Exposure to CI/CD pipelines and DevOps practices
- Experience with distributed systems and scalable architectures
- Knowledge of automated testing frameworks
- Familiarity with AI-assisted development tools such as GitHub Copilot
Why Developers Love Working With Us
- Work on real products with real impact
- Opportunity to work on modern architectures and cloud technologies
- Exposure to AI-powered software development practices
- Learn directly from experienced engineers and architects
- Friendly, collaborative, and growth-oriented culture
- Freedom to experiment, innovate, and share ideas
- Continuous learning and career growth opportunities
- Work with a team that values ownership, trust, and engineering excellence
Interested in Joining Our Team?
We're always excited to connect with developers who are curious, driven, and passionate about technology.
If you enjoy building quality software, learning new technologies, and taking ownership of your work, this could be the right opportunity for you.
We look forward to connecting with you!
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
Company Overview:
Euphoric Thought Technologies is a technology-driven firm focused on building scalable software solutions for the digital enterprise. Operating at the intersection of cloud computing and enterprise software, the company develops high-performance platforms that streamline complex business operations. With a strong presence in the Bangalore tech ecosystem, Euphoric Thought Technologies supports clients across diverse sectors by delivering robust, secure, and efficient backend architectures that power modern digital experiences.
Role Overview:
As a Java Developer, you will be responsible for designing and maintaining the core backend systems that drive our client platforms. You will work closely with cross-functional product and engineering teams to translate complex business requirements into high-quality, maintainable code. Your contribution will directly impact the scalability and reliability of our services, ensuring that our end-users experience seamless performance as we continue to expand our technical footprint.
Key Responsibilities:
- Develop and maintain high-performance backend services using Java and Spring Boot to ensure system reliability for our enterprise clients.
- Design and implement scalable microservices architectures that allow for modular growth and easier maintenance of complex application features.
- Optimize database interactions and data persistence layers using Hibernate to improve application speed and resource efficiency.
- Build and expose secure RESTful web services to facilitate seamless communication between internal systems and third-party integrations.
- Deploy and manage application infrastructure on AWS to ensure high availability and fault tolerance for mission-critical business processes.
- Collaborate with engineering leads and stakeholders to troubleshoot production issues and implement performance enhancements that improve the overall user experience.
Required Skillset:
- Demonstrated expertise in Java development with 3 to 6 years of hands-on experience in building enterprise-grade applications.
- Proficiency in Spring Boot and Hibernate for developing robust backend frameworks and managing complex data models.
- Strong understanding of microservices architecture and the ability to design decoupled, scalable service components.
- Practical experience in developing and consuming RESTful web services within a distributed environment.
- Hands-on experience with AWS services for cloud deployment, monitoring, and infrastructure management.
- Excellent communication skills with the ability to articulate technical concepts to both technical and non-technical stakeholders.
- Ability to work effectively in a hybrid office environment in Bangalore, collaborating with distributed teams to meet project milestones.
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
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java and Spring Boot.
- Build and consume RESTful APIs and integrate with third-party services.
- Develop scalable microservices and distributed systems.
- Optimize application performance, reliability, and security.
- Write clean, maintainable, and well-documented code.
- Collaborate with front-end developers, QA engineers, DevOps, and product teams.
- Troubleshoot production issues and implement bug fixes.
- Participate in code reviews and follow software development best practices.
- Contribute to CI/CD pipelines and deployment processes.
Required Skills & Experience
- Strong proficiency in Java (Java 8/11/17+).
- Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
- Experience building RESTful APIs and microservices.
- Knowledge of Hibernate/JPA.
- Strong understanding of SQL databases such as MySQL or PostgreSQL.
- Familiarity with Git and version control.
- Understanding Maven or Gradle.
- Knowledge of unit testing frameworks such as JUnit and Mockito.
- Understanding object-oriented programming principles and design patterns.










