
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:
- Experience - 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.

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.
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Job Description
We are looking for a hands-on Tech Lead – Java with strong software engineering fundamentals, a deep understanding of Java-based backend systems, and proven experience leading agile teams. This role involves a balance of individual contribution and technical leadership — mentoring developers, designing scalable architectures, and driving the success of product delivery in fast-paced environments.
Key Responsibilities
- Lead the end-to-end design, development, and deployment of Java-based applications and RESTful APIs.
- Collaborate with product managers and architects to define technical solutions and translate business requirements into scalable software.
- Guide and mentor team members in best coding practices, design patterns, and architectural decisions.
- Drive code reviews, technical discussions, and ensure high code quality and performance standards.
- Troubleshoot critical production issues and implement long-term fixes and improvements.
- Advocate for continuous improvement in tools, processes, and systems across the engineering team.
- Stay up to date with modern technologies and recommend their adoption where appropriate.
Required Skills
- 5+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
- Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
- Proven experience leading a team of engineers or taking ownership of modules/projects.
- Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
- Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
- Excellent problem-solving, debugging, and analytical skills.
- Strong communication and leadership skills.
About HummingWave
HummingWave is a leading IT product development company specializing in building full-scale application systems with robust cloud backends, sleek mobile/web frontends, and seamless enterprise integrations. With 50+ digital products delivered across domains for clients in the US, Europe, and Asia-Pacific, we are a team of highly skilled engineers committed to technical excellence and innovation.
Thanks
Java, Java8, Springboot, Microservices, core java, j2ee, JAVA, Springboot
backend, core java, java8, micro services
- Design & build a highly scalable, robust backend architecture for our cloud services
- You will be part of a software development team for developing and enhancing SaaS applications.
- Take responsibility of entire module/feature set and develop, test, debug and maintain the application software throughout the product lifecycle
- Working with the Product Management Team to validate and plan new features
- Working with cross-functional teams to deliver stellar end user experience
- Research new technologies and tools that help in building the next generation of our services
- Test, debug and maintain the application software throughout the product lifecycle
Desired Candidate Profile
- Must have experience with web development in Java 8+, Spring/J2EE or similar frameworks and technologies. (Mandatory)
- Must have worked on REST API (Mandatory)
- Should be an enthusiast for writing clean, reusable code, willing to learn new things as a self-starter person
- 2+ years of strong relevant experience in developing Object-oriented technologies.
- Strong working experience with any of the following DBs - Postgres / MySQL / Oracle or MSSQL
scalable technical stack, SQL, and big data technologies (preferably with strong data visualization and
analytics products).
Demonstrate knowledge of cloud architecture and implementation features (OS, multi-tenancy,
virtualization, orchestration, elastic scalability).
Experience in architecting, developing Micro services architecture with hand-onn experience.
Experience with Spring, Hibernate, Java, J2EE, Rabbit MQ, REST, Tomcat technologies.
Experience with Javascript UI technologies such as JQuery, Backbone, Bootstrap, AngularJS.
Job Description
Experience, seasoned professional and self-starter and need ability to translate customer/business
challenges and problems into tangible solutions.
Proactively bringing issues and problems to the attention of the team; generating, proposing and
implementing innovative solutions to solve them.
Proactively takes on challenges with a fresh perspective and open mind, with goal to provide continuous
improvement of platform and processes.
Demonstrates creativity, innovation and out-of-the-box thinking in crafting solutions addressing business
requirements, with near and long-term lenses.
Master-level experience and in-depth knowledge of Java platform with any one or more of: JBoss,
WebLogic, Websphere application servers.
Experience and knowledge of developing enterprise applications with i18n, l10n, and accessibility
support.
Preferred AWS certified architect and hands on AWS related technologies
Proven track record of troubleshooting and fixing performance, scalability, and reliability issues (memory
issues, multi-threading, CPU spikes, virtualization, etc.) in Linux/Unix or Windows environment.
Experience with troubleshooting and fixing database performance issues, and SQL tuning.
Experience and knowledge of secure coding best practices (such as OWASP).
Knowledge on BI tools and ETL.
Strong verbal and written communication skills.
Flexibility and ability to work in a fast-paced, rapidly growing environment.
Ability to work with globally distributed and multi-cultural teams.
Develop good development practices to ensure high quality deliverable.
Coach and develop development team members to ensure continuous improvement.
Monitor and assist developers in following established software development processes, policies, best
practices and expectations around coding and testing standards.
Take a hands-on approach in day-to-day development activities of team members including planning of
regular progress update meetings, design and code reviews and project reporting for team members.
Education
Bachelor degree in informatics, life-sciences or equivalent work experience is required.
Indicate below any additional preferred requirements if applicable (optional):
Masters of Science (MS) degree in relevant area of study is preferred.
Experience in testing business intelligence/analytics applications or software for multi-tenant enterprise
SaaS applications is a big plus
Experience with UI/UX testing, and testing products for accessibility
Having certification in CSM or ISTQB or equivalent.
Experience in testing business intelligence/analytics applications or software for multi-tenant enterprise
SaaS applications is a big plus
Scripting experience with bash or python or shell scripting. Must feel comfortable writing automation
scripts
JD:
Your role will include:
- Writing and testing your code, innovating and contributing towards increasing the value delivered by your team.
- Setting a high bar through your design, development, analysis and deployment activities
- Understanding and participating in evolving the architecture of our products.
- Keeping up-to-date with new technologies, best practices, and work on optimizing the tooling and automation.
- Understanding the latest development and engineering paradigms like Scrum/Agile/TDD/BDD/DDD etc.
You have experience with the following:
- Strong experience of leading and being part of technical teams preferably following agile methodology.
- Strong technical background with ability to provide technical guidance to other team members.
- Knowledge of microservices and must have experience of implementing a few microservices by the least.
- Knowledge of API driven platform development & Software Integration.
- You have hands-on experience in building secure, high-performing and scalable systems in Java.
- Exposure to JVM based languages like Java, Scala, Clojure.










