
Responsibilities:
● Design, develop, test, and maintain software applications using Java technologies.
● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.
● Develop and optimize database operations with MySQL.
● Analyze and solve complex problems by applying knowledge of data structures and algorithms
Requirement -
Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).
● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.
● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.
● Version Control Systems: Experience with tools like Gi

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 Senior Java Developer with strong expertise in Apache Kafka and backend systems. The ideal candidate will have hands-on experience in Java (8/11+), Spring Boot, and building scalable, real-time data pipelines using Kafka.
Key Responsibilities:
- Develop and maintain backend services using Java and Spring Boot
- Design and implement Kafka-based messaging and streaming solutions
- Optimize Kafka performance (topics, partitions, consumers)
- Collaborate with cross-functional teams to deliver scalable microservices
- Ensure code quality and maintain best practices in a distributed environment
Required Skills:
- 6+ years in Java development
- 3+ years of hands-on Kafka experience (producers, consumers, streams)
- Strong knowledge of Spring Boot, REST APIs, and microservices
- Familiarity with Kafka Connect, Schema Registry, and stream processing
- Experience with containerization (Docker), CI/CD, and cloud platforms (AWS/GCP/Azure)
We are seeking a highly skilled Java Developer to join our team. The ideal candidate should have at least 5 years of experience in Java development and be able to work from the office.
Responsibilities:
- Develop high-quality software design and architecture using Java technology
- Produce clean, efficient, and maintainable code
- Conduct code reviews and testing to identify and fix software defects
- Collaborate with cross-functional teams to identify and solve complex software problems
- Design, develop and maintain software applications using Java technology
- Debug and troubleshoot software defects
Requirements:
- Proven experience as a Java Developer with at least 5+ years of experience
- Knowledge of web frameworks such as Spring, Hibernate, and Struts
- Familiarity with Agile methodologies and software development life cycle (SDLC)
- Experience with source code management tools such as Git or SVN
- Excellent problem-solving skills and ability to work independently
- Strong written and verbal communication skills
- Immediate joiners preferred
If you are a Java Developer with a strong work ethic and a passion for developing high-quality software solutions, we encourage you to apply.
Responsibilities:
- Responsible for design and development of high end, robust, scalable products that disrupt the market
- Technically-intense role with primary focus on building cool products in a niche domain
- Evolution into Principal Software Engineers and Team leads and beyond based on one’s ability to demonstrate very strong technical expertise and project & people management skills.
- Reviewing code work for accuracy and functionality
- Analyzing code segments regularly.
Requirements:
Experience Range: 3+
Role: Software Engineer – final role will depend on candidate’s experience and credentials
Education: BE/B. Tech/MCA/M.Sc./MTech
Technology Stack: Java, Hibernate, spring, spring boot, Microservices, MySQL, reactJS, Elastic Search, AWS Infra
Relevant Experience
3 to 10 years
Job Description and Key Skills Required:
- Hands-on with any of the programming languages like NodeJS/ExpressJS, Python, Java, Php or any.
- Design and create efficient RESTful API endpoints for both internal and public consumption
- Strong understanding of database technologies such as MySQL, Postgress, Oracle , relational Database.
- Work closely with front end developers to understand required data model
- Comfortable deploying applications on AWS, and have a strong working knowledge of EC2, RDS and S3.
- Must understand overall system design, architecture , improve design and implement new processes.
- Strong understanding of sessions, cookies & local storage is must.
- Experience with in memory databases like redis basic, Memcache
- Independently think of solutions to complex requirements; possess exceptional logical skills.
- Analyse current products in development, including performance, scalability, diagnosis and troubleshooting.
- Work with the existing framework and evolve it by building reusable code & libraries
- Search and introduce new software related technologies, processes and tools.
- Bonus: You're fluent with React.
- Bonus: Interested in full-stack development.
- Bonus: Any experience of iOS/Android mobile development.
- Bonus: Experience with CI servers such as Jenkins, Travis or similar types
- Bonus: Experience with web server like Nginx
Location: Hyderabad / Chennai / Delhi
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
• You write high quality, maintainable, and robust code, often in Java or C++.
• You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
• Bachelors or Masters in Computer Science or relevant technical field.
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
• Proficiency in SQL and data modeling.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.
About Amazon India
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched www.amazon.in for shoppers in India. With www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to ovear 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.
Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.
HBOX is a US Based Digital Health Company, Enabling Primary Care Providers (PCP) to
capture true Virtual Care Opportunities beyond Telehealth. We enable PCP to
provide Proactive and Continuous Care and add new Recurring monthly revenue
streams without any upfront cost. With our unique distribution and business
model, we are seeing fast acceptance and great adaption with our target
customers. We have built unique and Industry's first Integrated
Hardware, Cloud & AI Technologies based Virtual care Platform for PCP
Market. We are US focused Post revenue company with customers in 7 US States
and growing extremely fast.
We want a techie at heart. Someone who is happy and curious to work on all aspects of software development. Reporting directly to the CTO, you will be responsible for feature design, development, and continuously optimizing our tech stack.
We are looking for an experienced software engineer with at least 5 years of experience in a startup or product environment. Ideally you have been involved in all aspects of software development from requirements gathering to design, development, deployment and post-release support. We are looking for all-round technical maturity. Our tech stack is Angular, Spring boot and Django/Python.
Key Skills
Java SpringBoot, PostgreSQL/MySQL, Git
AWS, REST api design, Experience integrating with external APIs
Good applied understanding of Object Oriented Programming
Good database modeling and SQL knowledge.
Anticipate how code will perform under production conditions
Understand the performance characteristics of commonly used data structures (maps, lists etc). (Optional) Experience with UI frameworks like: AngularJS/React is a big plus.
Responsibilities and Duties
Build out features across the stack: backend, API design and integration, database optimization, microservices, plugins, queues etc
Fix bugs and write automated tests
Maintain and upgrade our Tech Stack
Translate requirements to design and write/present articulate software design.
Primary responsibilities:
- Architect, Design and Build high performance Search systems for personalization, optimization, and targeting
- Designing systems with Solr, Akka, Cassandra, Kafka
- Algorithmic development with primary focus Machine Learning
- Working with rapid and innovative development methodologies like: Kanban, Continuous Integration and Daily deployments
- Participation in design and code reviews and recommend improvements
- Unit testing with JUnit, Performance testing and tuning
- Coordination with internal and external teams
- Mentoring junior engineers
- Participate in Product roadmap and Prioritization discussions and decisions
- Evangelize the solution with Professional services and Customer Success teams
Minimum requirements:
- Tech/M.Tech in computer Engineering or related fields or MCA
- At least 10-14 years of software development experience
- Expert in Java, Scala or any other object oriented language
- Proficient in SQL concepts (HiveQL or Postgres a plus)
- Additional language skills for scripting and rapid application development
Desired skills and experience:
- Working with large data sets in the PBs
- Familiarity with UNIX (systems skills a plus)
- Working experience in Solr, Cassandra, and Kafka
- Working in a distributed environment and has dealt with challenges around scaling and performance
- Working with distributed teams across multiple locations








