
· 5+ years of experience in software development using Java.
· Proficiency in Spring Boot and Spring Batch.
· Experience with microservices architecture.
· Hands-on experience with Cassandra or similar NoSQL databases.
· Solid understanding of cloud platforms (AWS, GCP, Azure, etc.).
· Familiarity with Docker and Kubernetes.
· Experience with CI/CD tools such as Jenkins etc
· Strong problem-solving skills and attention to detail.
· Excellent communication and teamwork skills.
Important consideration:
· Core Java - 4 to 6 Yrs
· Spring and Spring Boot, Spring MVC, Spring Data, Spring Security - 4 to 6 Yrs
· DevOps (Jenkins, Junit, sonarQube, Maven) - 1 to 2 Yrs
· MongoDB, NOSql, Couch DB, Cassandra - 1 to 2 Yrs

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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Experience: 8-12 years
Location: Bangalore
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. - 8-12 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
Position Overview:
We are seeking a Node.js Developer with 1-2 years of experience to join our team. The ideal candidate should have hands-on experience in backend development, a solid understanding of JavaScript, Express.js, and familiarity with databases. You will be responsible for developing and maintaining server-side applications, collaborating with front-end teams, and ensuring optimal performance.
Key Responsibilities:
- Backend Development: Build and maintain server-side applications using Node.js and Express.js.
- API Development: Design and implement RESTful APIs to support various functionalities.
- Database Management: Work with both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases.
- Code Quality & Testing: Write clean, reusable, and testable code while following best practices.
- Performance Optimization: Optimize applications for speed and scalability.
- Troubleshooting & Debugging: Identify and resolve application issues to ensure smooth operations.
- Security Implementation: Apply basic security measures to protect applications and data.
- Collaboration: Work closely with front-end developers to integrate UI components with backend logic.
Required Qualifications:
- 1-2 years of experience in Node.js backend development.
- Strong proficiency in JavaScript and ES6+ concepts.
- Hands-on experience with Express.js or similar frameworks.
- Familiarity with front-end technologies (HTML, CSS, React/Angular is a plus).
- Experience working with databases (MySQL, PostgreSQL, MongoDB).
- Basic understanding of asynchronous programming and event-driven architecture.
- Experience with Git for version control.
- Knowledge of basic cloud services (AWS, Azure, or GCP is a plus).
- Understanding of Docker and containerization is an advantage.
- Good problem-solving skills and willingness to learn.
- Java, Spring MVC, Java Script, HTML5, CSS, JQuery, and BootStrap. Highlighted Skills are mandatory
Detailed JD
- Back-end Skills Strong hands-on working experience in Core Java, Spring MVC, and Hibernate.
- Front-end Skills Good hands-on experience in Java Script, Angular, HTML5, CSS, JQuery, and BootStrap.
- Database Good experience working with DB like MySQL.
- At TailNode, we are at the bleeding edge of this change.
- We conceptualize and develop products that are aimed to enable this transformation of the political architecture of the country.
- We leverage the best practices and insights of the technology world and apply them in our unique way to deliver impact on a massive scale.
- We want to offer you a once-in-a-lifetime opportunity to be a part of this massive change and build new and exciting products with us.
Responsibilities :
- Designing, building, and maintaining high performance, reusable, scalable and robust services and applications
- Developing and managing databases and reporting tools
- Building intelligent messaging bots using web APIs
- Designing and developing robust RESTful APIs and other interfaces
- Integrating data storage solutions.
Required Skills :
- Ability to write clean, structured code in Ruby/Python with documentation.
- Proficiency in at least one Ruby frameworks (Ruby on Rails or Sinatra) or Python framework (Django or Flask)
- Clear understanding of Data Structures and Algorithms.
- Ability to write well defined test cases using Minitest, RSpec or Unit testing framework.
- Experience in one of the following database technologies - MySQL, PostgreSQL, MongoDB, Cassandra.
- Proficiency in working with complex SQL queries.
- Knowledge of design patterns, architectural best practices.
- Familiarity with RESTful web services.
- Knowledge of version control tools like Git, SVN etc.
- Working experience with Cloud Services like Amazon Web Services or Google Cloud is a plus.
Required Qualifications :
- A Bachelors or a Masters degree in Computer Science or relevant field.
- Experience of 3-5 years in software development.
Note : Other language candidates may apply only if they're expecting to work primarily on Ruby/Python.
enterprise-grade 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 and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 4.5 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
Responsibilities
- Lead the development of the backend systems for our first product
- Build reliable, secure and performant backend systems
- Drive test coverage and continuous delivery automation within the team
- Mentor and provide feedback to teammates
Requirements
- 5+ years of software development experience
- Strong computer science fundamentals
- Deep and wide knowledge of Java ecosystem
- Can write code that is readable, maintainable, secure and performant
- Know the importance of tests and how to approach writing different types of tests
- Good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling
- Comfortable writing highly concurrent systems
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries
Desired Skills and Experience
- Golang , Java , Python , Ruby
Job Description:
- Resource should be proficient in analyzing, designing and developing applications based on the requirements provided by business counterparts
- Developing and maintaining applications developed in Java, J2EE, Struts and Spring and possessing 3-layer architecture
- Good knowledge in Spring Boot, Hibernate, Angular JS, Docker, VUE JS and AWS
- Applications development or maintenance using ORM tools such as Hibernate
- Database management which includes DB design and maintenance, mostly related to 2016 and Oracle 19c, DB2
- Should have knowledge in Unix / Linux OS.
- Should have good knowledge in Shell scripting language
- Strictly adhere to the internal SDLC process quality standards set but the organization and providing the drive to the team to achieve the KPI and SLA targets
- Flexible to work in extended time
- Candidate should have good experience on Java / J2EE, Springboot, Hibernate / JPA, Oracle query, Web Services and Rabbit MQ.
- Should have minimum of 3 to 5 years of experience. Should be able to work on enhancement, maintenance and production support.
- Good to have hands-on experience on DEVOPS & API development.
You will be a part of: Supply Chain Management (SCM)
Myntra-Jabong Supply Chain Management systems form the backbone of our core business and customer experience. Any business runs on a simple construct of Demand (Consumer) and Supply (Producer). However, a set of complex and intricate methods, processes and systems connect the demand with supply in a deterministic and predictable way. These methods, processes and systems collectively form the Supply Chain for the business. The multi-billion-dollar Myntra-Jabong business fundamentally rests on a set of highly scalable, robust and intelligent Supply Chain Management systems that solve real-world problems of predicting the demand from millions of our customers, for a combination of millions of products from our product catalogue, and intelligently connecting that demand to thousands of national and international sellers or suppliers using a set of advanced homegrown tech products that we build and manage.
SCM engineering employs new-age technologies such as Distributed Computing constructs, Machine Learning, Deep Learning, Computer Vision, Artificial Intelligence; scalable data stores in Mongo, Redis, Cassandra, MySQL, Elastic Search, Solr; scalable programming constructs in Node.js, GoLang, Java; JavaScript, Python, and new-age frameworks such as ReactJS and ReactNative to solve some of the hardest problems in the e-commerce business
with world-class software products.
The SCM engineering at Myntra-Jabong operates within two distinct verticals: Supply-chain Outbound (Fulfilment systems) & Supply-chain Inbound (Selection systems, Partner experience).
Your Responsibilities:
● Own the architecture of Myntra’s new product platforms to drive business results
● Be a visible leader to drive and own the architecture and design of some of the most advanced & complex software systems / products in the industry to create company wide impact.
● Help build, mentor and coach a team of very talented Engineers, Architects, Quality engineers, System Operation Engineers and DevOps engineers in architectural and design best practices.
● Be an operational and technical leader with a passion for distributed systems, cloud service
development, deployment and delivery.
● Be accountable for the design, for the ease of evolution, quality of the systems, performance, scaling, and availability characteristics and limitations of the systems.
● Envision and develop the long-term architectural direction, with emphasis on platforms/ reusable components while adopting a nimble delivery process. Establish structures and processes that ensure a high level of quality and reliability and extensibility of deliverables.
● Drive the creation of next generation extensible web, mobile and fashion commerce platforms, security protocols, customisation and tools to support continuous scaling, internationalization and platform extensions
● Drive code and design reviews of components / systems / products in scope and drives the
architectural governance for them
● Set directional paths for the teams/department for adoption of new technology stacks for solving business problems
● Be a very visible representative of multiple technology domains and represent Myntra in external technical forums
● Work with product management, business stakeholders and other engineering leaders to help define mid-term, long-term roadmaps and shape business directions
● Initiate and deliver leadership training within the engineering organisation, including training new managers, and drive the growth of leaders to create a strong leadership bench
Desired Skills and Experience
● 12 - 16 years of experience in software product development
● Must have a degree in Computer Science or related field
● A solid engineer at heart with excellent abstraction, coding and system design skills
● Proven track record of leading the architecture and delivery in a startup/e-commerce ecosystem within a high growth & matrix environment
● Successfully architected and led technology for consumer-facing products in the global market along with being an efficient proficient problem-solver who envisions business and technical perspectives to develop workable solutions
● Must have exposure to leading product development end-end (portfolio to delivery, re-architectures)
● Strong hands-on technology experience building and running large scale systems handling
multi-million sessions/transactions per day
● Solid experience in large scale Database systems like RDBMS & NoSQL stores
● Strong design/development experience in building massively large scale distributed internet systems and products
● Excellent programming skills in Java/GO and expertise in multi-threading and performance-oriented programming
● Solid experience in Distributed systems, highly scalable products, performance & reliability
● Excellent understanding of processing platforms and queues
● Experience and knowledge of open source software, frameworks and broader cutting edge
technologies around server-side development in Java
● Strong understanding of object-oriented programming, concurrency and fundamentals of
computer-science
Data Platform engineering at Uber is looking for a strong Technical Lead (Level 5a Engineer) who has built high quality platforms and services that can operate at scale. 5a Engineer at Uber exhibits following qualities:
- Demonstrate tech expertise › Demonstrate technical skills to go very deep or broad in solving classes of problems or creating broadly leverageable solutions.
- Execute large scale projects › Define, plan and execute complex and impactful projects. You communicate the vision to peers and stakeholders.
- Collaborate across teams › Domain resource to engineers outside your team and help them leverage the right solutions. Facilitate technical discussions and drive to a consensus.
- Coach engineers › Coach and mentor less experienced engineers and deeply invest in their learning and success. You give and solicit feedback, both positive and negative, to others you work with to help improve the entire team.
- Tech leadership › Lead the effort to define the best practices in your immediate team, and help the broader organization establish better technical or business processes.
What You’ll Do
- Build a scalable, reliable, operable and performant data analytics platform for Uber’s engineers, data scientists, products and operations teams.
- Work alongside the pioneers of big data systems such as Hive, Yarn, Spark, Presto, Kafka, Flink to build out a highly reliable, performant, easy to use software system for Uber’s planet scale of data.
- Become proficient of multi-tenancy, resource isolation, abuse prevention, self-serve debuggability aspects of a high performant, large scale, service while building these capabilities for Uber's engineers and operation folks.
What You’ll Need
- 7+ years experience in building large scale products, distributed systems in a high caliber environment.
- Architecture: Identify and solve major architectural problems by going deep in your field or broad across different teams. Extend, improve, or, when needed, build solutions to address architectural gaps or technical debt.
- Software Engineering/Programming: Create frameworks and abstractions that are reliable and reusable. advanced knowledge of at least one programming language, and are happy to learn more. Our core languages are Java, Python, Go, and Scala.
- Platform Engineering: Solid understanding of distributed systems and operating systems fundamentals such as concurrency, multithreading, file systems, locking etc.
- Execution & Results: You tackle large technical projects/problems that are not clearly defined. You anticipate roadblocks and have strategies to de-risk timelines. You orchestrate work that spans multiple teams and keep your stakeholders informed.
- A team player: You believe that you can achieve more on a team that the whole is greater than the sum of its parts. You rely on others’ candid feedback for continuous improvement.
- Business acumen: You understand requirements beyond the written word. Whether you’re working on an API used by other developers, an internal tool consumed by our operation teams, or a feature used by millions of customers, your attention to details leads to a delightful user experience.










