
JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
Wissen Technology is now hiring for a Senior 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 2200+ 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

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
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Strong debugging and troubleshooting skills.
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Experience working with RDBMS or any NoSQL database like DynamoDB, MYSQL, Oracle.
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Working knowledge about CI/CD tools - Maven/Gradle, Jenkins, experience in a Linux (or Unix) based environment.
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Exposure to Serverless computing frameworks like AWS Lambda, Google Cloud Functions, Azure Functions
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Some Exposure to front end development tools - HTML5, CSS, Javascript, React.js/Anular.js
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Working knowledge on Docker, Jenkins.
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Ability to provide technical solutions, support that fosters collaboration and innovation.
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Requirements:
- BE/B. Tech. Computer Science or MCA from a reputed University.
- 3.5 - 6.5 Years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
- Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO, webservices and Design patterns.
- Should have Knowledge of distributed system, distributed caching, messaging frameworks ESB etc.
- Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
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Looking candidated from service base or service division of any company.
Minimum Qualification:
- Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
- Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
- Worked on Relational data stores viz. MySQL, Oracle or Postgres
- Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
- Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
- Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc
Good knowledge and experience of working with backend systems;
designing server-side architecture, including production maintenance experience are must-haves.
At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).
Understanding of micro-services oriented architecture.
Experience with Databases design (SQL, NoSQL) and analytics
Experience in driving and delivering complex features/software modules from technical design to launch.
Expertise with unit testing & Test Driven Development (TDD)
Role:
- Design and Develop scalable high performance server applications
- Contribute towards scalable Design / Architecture for various modules / complete application
- Deliver high quality, robust, bug free code
Details
- Location – Pune
- Reporting to – CEO
- Team – To be built
This is what you will do
- Interface with the QA teams to ensure that the product meets desired quality standards
- Strong individual contributor who can develops excellent application without much supervision
- Excellent team player who can collaborate with other engineers to ship quality product in timely manner
- Assist Engineers in estimating effort, assigning tasks to engineers and tracking deliverables
- Research on new technologies, libraries and frameworks as per project needs
- Help maintain code quality, follow coding standards and guidelines
- Communicate on assignment progress / completion on a frequent basis
Educational Background:
- Engineering Graduate / Post Graduate Degree holder / MCA
Professional Experience:
- 4 – 7 Years of software development experience using Java/J2EE
Tech Skills
- Have very good hands on experience of Core Java, Spring, Hibernate and related JEE technologies
- Have good understanding of data structure and algorithms
- Good in programming fundamentals
- Basic understanding of HTML, CSS, JavaScript, Web technologies
- Basic understanding of RDBMS concepts, preferably using MySQL
- Good understanding of client-server architecture and multi-threading
- Knowledge of Web Services, XML and socket programming is plus
- Have very strong problem-solving skills
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- Good listener
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