
Role:Java Developer
Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.
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.
● Work with both Windows and Linux environments to develop and deploy solutions.
● Collaborate with cross-functional teams to deliver high-quality products on time.
● Ensure application security, performance, and scalability.
● Maintain thorough documentation of technical solutions and processes.
● Debug, troubleshoot, and upgrade legacy systems when required.
Requirements:
● Operating Systems: Expertise in Windows and Linux environments.
● 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 Git.
● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional

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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Job Description
We are seeking a highly skilled and experienced Backend Engineer to join our dynamic and fast-paced development team in Bangalore. The ideal candidate will have expertise in Java development, particularly in Java 8 or above, and extensive hands-on experience with Apache Spark, Spark Streaming, and Spring Boot for developing scalable and high-performance microservices. The candidate must also have strong problem-solving skills, a deep understanding of distributed computing, and experience with cloud technologies (Azure).
Key Responsibilities
- Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot in Java 8 or above.
- Write efficient and maintainable Spark and Spark Streaming code for processing large-scale data in real-time.
- Implement Java 8 advanced features such as Functional Interfaces, Lambda Expressions, Streams, Parallel Streams, Completable Futures, and Concurrency API improvements.
- Work with relational (SQL) and non-relational (Cosmos DB) databases for data modeling and optimization.
- Utilize Maven for building and deploying artifacts to the snapshot repository.
- Collaborate with cross-functional teams, including Product, Business, Automation, and other stakeholders, to define, design, and deliver new features.
- Follow Agile SCRUM methodologies for software development and actively participate in sprint planning and retrospective meetings.
- Maintain version control using Git and ensure best practices for code collaboration and peer code reviews.
- Implement CI/CD pipelines using tools such as Jenkins and GitHub Actions to automate build and deployment processes.
- Work with Azure Cloud Technologies to build and deploy cloud-based applications.
- Apply software design patterns and best practices in backend development to enhance system architecture and scalability.
- Troubleshoot and debug applications, ensuring high performance, security, and scalability.
- Keep up to date with the latest industry trends, tools, and technologies to continuously improve development processes.
Minimum Qualifications
- BS/MS in Computer Science or equivalent.
- 4+ years of industry experience in developing highly scalable microservices and optimized RESTful APIs using Spring Boot in Java 8 or above.
- 3+ years of experience in version control tools like Git.
- 3+ years of experience working in an Agile SCRUM environment.
- Strong understanding of software design patterns and distributed computing concepts.
- Solid experience in relational and non-relational databases (SQL and Cosmos DB).
- Experience with Maven for building and managing dependencies.
- Knowledge of CI/CD workflows and experience with Jenkins and GitHub Actions.
- Prior enterprise experience in working with Azure Cloud Technologies.
- Proven ability to work collaboratively with cross-functional teams to deliver high-quality product features.
- Strong problem-solving skills, debugging techniques, and ability to troubleshoot complex issues efficiently.
Preferred Qualifications
- Experience with Kafka or other messaging queues for real-time data processing.
- Exposure to Docker, Kubernetes, and container orchestration tools.
- Hands-on experience with NoSQL databases like MongoDB, Cassandra, or DynamoDB.
- Experience with performance optimization techniques for backend applications.
- Knowledge of test-driven development (TDD) and unit testing frameworks like JUnit.
Company Profile:
We are a product-based Medical Devices company focused on providing State of the art Surgical Navigation Systems. Only a handful of companies across the world develop computer-assisted surgery solutions. We are proudly The First Indian Company in this domain and strive to make India Self-reliant in this highly specialized domain. We operate in the complex areas of Neuro& Ortho surgeries with our teams and systems closely assisting surgeons in the live OT environment.
We provide our clients with World class accuracy and we provide our employees with the best benefits. HRS Navigation is currently in the growth stage and is clocking exponential growth year after year.
What we are looking for:
Do you get a kick out of watching software unfold before your eyes? If so, we’d love to talk to you about it. We’re looking for a top “Senior Software Engineer” who always sweats the small stuff and cares about impeccable code. If you see glitches as an enjoyable challenge
rather than a hardship and if you are willing to put in hours to code where your codes can positively impact how surgeries are done, get in touch with us today
Qualifications: Bachelor’s or Master’s degree in computer engineering or computer science or any equivalent degree
Experience : 3–6-year experience.
Skills Required :
- 3 years of experience on QT development & C++
- Proficiency in coding with best practices while developing code in QT and C++
- Proficiency in programming user interfaces and data visualization with the QT Framework
- Must have experience on object-oriented analysis and design OOPs, Design patterns, Data structures,algorithms, etc.
• Experience with QT, VTK, OpenCV, etc preferred.
•Experience in Windows/Desktop applications is preferred.
•Experience working with Waterfall / Agile development technologies.
•Experience creating and maintaining databases.
•Knowledge of system frameworks including .NET, Git, and GitHub.
•Knowledge of the software development life-cycle.
•Must have excellent analytical and problem-solving skills
•Good interpersonal skills.
•The desire to work in a fast-paced environment.
|
Technologies/Frameworks – · Core Java, J2EE, · Spring Core and Spring MVC, Sprint Boot, Spring Security, · JDBC, Hibernate, RESTful APIs, SOAP WebServices · Knowledge of JavaScript, JQuery, AJAX, HTML5, and CSS3, Angular is added advantage · Junit or Mockito frameworks · Maven, Git · Knowledge Data Structures, · SQL, MySQL · Designing relational database schemas · Basics of AWS, Cloud, Microservices
· BFSI, FinTech |
- Assist in project scoping and interact with users to gather requirements
- Must have skills: Java,Spring,SQL,Web App development
- Produce well-planned, well-structured, high-quality codes that have been independently unit tested
- Design, develop, implement and maintain multi-tier web based applications using Java, J2EE, Struts, MVC, Weblogic, XML, Spring, Hibernate, and Oracle, to support business requirements (angular will be advantage)
- Participate and contribute actively in the complete software development lifecycle, including performance analysis, design, development, and testing
- Ensure well designed, testable, efficient codes by performing unit testing with test cases and through rigorous integration testing of the entire application
- Ensure designs are in compliance with specifications
- Support users by developing design documentation and assistance tools
- Interact regularly with internal and external teams to address technical issues and provide appropriate solutions through debugging, research, and investigation
- Develop configuration tools for internal teams to further automate programming tasks that are repetitive
- Engage in and lead application performance tuning
Requirements:
- Graduate/Post Graduate degree in Computer Science, Engineering or a related subject
- Proven working experience in Java development, application of standard software development principles and designing and developing applications using Java EE platforms
- Experience in developing web applications using at least one popular web frameworks using MVC
- Object oriented analysis and design using common design patterns
- Able to respond to technical queries / requests from team members and customers
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc.)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (Oracle, Hibernate)
- Experience in the Spring Framework
- Experience with test-driven development

Backend Developer
Qualification: B.Tech./MCA, BCA in Computer Science or equivalent
Experience: 3 - 6 Years
Skills Required:
- Must Have: Java, Spring/ springboot
- Any 2 (Must) out of the below mentioned list :
- JPA/Hibernate
- Messaging queue/Kafka/SQS/distributed message/SNS/JMS
- NOSQL/ Aerospike/ Reddis /Cassendra
- Microservices
Roles and Responsibilities:
- Technical design, implementation, deployment, and support.
- Partner with Business Analysts to review and implement business
requirements.
- Perform development and unit testing, working closely with Business.
- Mentors and oversees development of resources, including reviewing designs and performing code reviews.
- Ensure designs are in compliance with specifications
- Contribute in all phases of the development lifecycle
- Developing high - volume, low - latency applications for mission - critical systems and delivering high - availability and performance
- Should have experience of working on Core Java/J2EE & OOPS concept
- Should be well versed with Spring/Struts & Apache Came l (OSGI Framework)
- Should have a good understanding of Hibernate and Other ORMs
- Should have an understanding of working on Web Service (SOAP/REST) and Maven
- Build tool such as Jenkins
- Caching Technique(Radis, Hazlecast, Aerospike)
- Database Knowledge- Oracle, MySQL
Who We are
At e6data (https://e6x.io/">https://e6data.io) we’re building core algorithms that makes querying 25 - 200X more performant (i.e. faster and/or cheaper) than every other analytics platform in the world. This results in billions of dollars of value unlocked across faster analytics, savings on compute / infra, and new use cases becoming possible.
Our core team has 100+ years of combined experience and 10+ patents across diverse but complementary disciplines like real time databases, time series databases, SQL OLAP engines, distributed computing platforms, stream processing, and log analytics. Two of the founding team are second time founders with past exits.
We are passionate about solving the deepest and most important problems in computer science, and believe in making our technology available to customers regardless of their location, size, or budget. Our vision is for e6data to power every analytical workload in the world - regardless of deployment scenario (cloud, on-premise, edge), across every use case (end user queries, ETL / data pipelines), and every latency requirement (batch, streaming / real time).
What you'll do?
- Write awesome code
- The focus will be on performance of our data platform
- Identify tactical and long-term product improvements (could be code, script, etc.)
- Responsible for Planning and executing Metadata and Governance tool supports
- Build our internal Data Platform using exdata
- Adding scalable functionality to the system for new features like UDF's, sql functions etc
What are we looking for?
- Worked with Python for a minimum of 2 years
- Well versed with Django REST framework
- Knowledge of document based data stores like MongoDB
- Strong team player
- A passion for continuous learning and growth (both at a personal and team level)
- Experience (or enjoys) working in a startup will be an added advantage
What you'll do
Technology is at the heart of our organization. We have a strong engineering team and we're looking for an experienced engineer to lead our backend engineering team. As part of the tech team, you will Understand product requirements and brainstorm ways to address them
- Lead large initiatives and be responsible for it
- Mentor teammates
- Set and enforce standards for writing and maintaining efficient code
- Influence team decisions in the overall architecture and practices of the company
- Contribute to company growth by participating in hiring activities
What you'll need
Must-haves
- At least 4 years experience in a product based company
- Experience working with distributed environments at scale
- Strong command on at least one Object Oriented Programming language
- Experience leading developers for large scale products
- Demonstrated capability to design and architect products built for scale
- Deep knowledge of multiple AWS services
- Experience with Docker and Kubernetes
Good to have
- Experience with at least one among C++, Java
- Experience with Linux file systems
- Familiarity with agile development methodologies
Why us
We're hiring a set of highly skilled, enthusiastic, and passionate people who thrive in a high-growth environment. We believe the best way to grow is to give everyone the opportunity to pursue their interests. At Lucidity, you have complete freedom to work on projects that interest you. Plus, with benefits like flexible hours, company offsites, unlimited leaves, we ensure you enjoy the journey as much as we do. We are also offering healthy founding team ESOP's.










