
Data Engineer
Experience: 4–6 years
Key Responsibilities
- Design, build, and maintain scalable data pipelines and workflows.
- Manage and optimize cloud-native data platforms on Azure with Databricks and Apache Spark (1–2 years).
- Implement CI/CD workflows and monitor data pipelines for performance, reliability, and accuracy.
- Work with relational databases (Sybase, DB2, Snowflake, PostgreSQL, SQL Server) and ensure efficient SQL query performance.
- Apply data warehousing concepts including dimensional modelling, star schema, data vault modelling, Kimball and Inmon methodologies, and data lake design.
- Develop and maintain ETL/ELT pipelines using open-source frameworks such as Apache Spark and Apache Airflow.
- Integrate and process data streams from message queues and streaming platforms (Kafka, RabbitMQ).
- Collaborate with cross-functional teams in a geographically distributed setup.
- Leverage Jupyter notebooks for data exploration, analysis, and visualization.
Required Skills
- 4+ years of experience in data engineering or a related field.
- Strong programming skills in Python with experience in Pandas, NumPy, Flask.
- Hands-on experience with pipeline monitoring and CI/CD workflows.
- Proficiency in SQL and relational databases.
- Familiarity with Git for version control.
- Strong communication and collaboration skills with ability to work independently.

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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We are looking for an experienced SharePoint Developer with strong expertise in end‑to‑end SharePoint development, customization, and solution delivery. The ideal candidate will be confident in managing enterprise-level customers, gathering requirements, architecting solutions, and delivering high‑quality SharePoint applications aligned with business needs.
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End‑to‑End Project Delivery
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Enterprise Customer Engagement
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Preferred Qualifications
- Microsoft certifications (e.g., SharePoint, Power Platform, M365).
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Mandatory Skills
- Backend: Java, Spring Boot
- Frontend: Angular
- Database: Oracle / SQL
- Node js
Job Description
Contribute to all software-development life-cycle phases including: domain and non-domain problem analysis, solution requirement gathering and analysis, solution design, implementation, code review, source-code control, source building deployment, validation, QA support, and production support.
Essential Duties and Responsibilities
• Maintain and enhance multi-tier messaging application suites (Java EE, Springframework, WAS, Oracle, DB2, MQ)
• Build and maintain IRIS4Health middle-tier message applications (IRIS Interop/Cache; Java, Drools, Kafka, Restful, MLLP, SQL)
• Build and maintain multi-tier Clinical Toxicology application (Angular, Java EE, Springframework, WAS, RHOS, Cache, SQL)
• Maintain stat-tracking application (two-tier Delphi, MySQL)
• Maintain and enhance Cytogenetics three-tier application (Java EE, WAS, DB2, Oracle, SQL, )
• Maintain and enhance Fibrosure application (Java EE, WAS, Derby)
• Define develop, validate, and release software products via agile processes for small and large projects
• Support applications and people via Kanban processes
• Collaborate with laboratory users to analyze problems, design and implement solutions for enterprise systems
• Provide support and troubleshooting of production systems according to an on-call schedule
• Document problem analysis, solution design, implementations, and system support guidelines
• Coach and train team members across lab system organizations to support and develop Java applications
• Communicate effectively and constructively with developers, QA, business analysts, and system users
• Design and depict via UML relational DB table models, object-oriented class models, messaging models, configuration models
• Understand, document, support, and improve inherited code and processes
• Help document knowledge and discovery with peer developers
Minimum Requirements
• Solid Java EE experience (Servlets, JMS, JSP, EJB, JCA, and JPA) development and support
• Solid InfoSystems Cache/IRIS for Health development and support
• A minimum of 1 years of JPA/ORM (Hibernate), Junit, XML/XSD, JSON experience or equivalent
• Solid SQL (and optionally PLSQL) experience
• Experience with Oracle DB including explain plan and or other query optimization techniques/tools
• Excellent verbal and written communication skills
• Strong UML modeling, ER and OO design, and data-normalization techniques
• Strong code-factoring philosophies and techniques
• Eclipse or NetBeans (or equivalent) IDE
• Strong understanding of client/server design, and smart recognition of separation-of-concern like functional behavior versus non-functional performance
Desired Requirements
• Java EE, Angular
• InfoSystem's Cache and/or IRIS for Health
• Springframework
• Modern deployment architectures using containers, API Gateways, load balancers, and AWS cloud based environments
• WebSphere or WebLogic, RHOS
• RESTful Web Services
• JMS interfacing, Apache Kafka, and IBM MQ
• Node.js/NPM, Bootstrap, or similar frameworks
• Git/BitBucket (git flow), Maven, Nexus, UCD, Jira (Kanban and SCRUM), agile workflow
• Unix shell script, DOS script
• SQL (optionally PLSQL)
• Design patterns
• HTML5, CSS3, and TypeScript development
• Ability to transform specific domain requirements into generalized technical requirements, and design and implement abstract solutions that are understandable and scalable in performance and reuse
• HL7 and/or Healthcare and/or Clinical Toxicology
• Oracle, MySQL, Derby DB
We are looking for skilled and motivated Software Engineers to join our growing team and work on cutting-edge projects with leading Japanese company in Japan. This role involves full-cycle system and application development across various domains including finance, healthcare, public systems, and web technologies. Candidates will be engaged in both frontend and backend development, database management, testing and end-to-end system integration from requirement gathering and analysis to deployment and maintenance.
We are looking for a talented full-stack software engineer to join our small and extremely talented product team. We love to build amazing products fast and with a high standard of code and UX, always on the cutting edge of new technologies.
Tasks
- Design and build features end-to-end. You'll be working on the frontend, backend, and anything in-between, whatever it takes to solve problems and delight users.
- Build beautiful and usable UIs with our modern toolset of React (NextJS, ES11, TypeScript) and TailwindCSS.
- Continue developing our distributed backend using Node (NestJS + TypeScript) and Rust. Technologies also include PostgreSQL, Redis, and RabbitMQ.
- Stitch many different services and APIs together, even if you have not worked with them before.
- Build solutions that take scaling and growth into consideration while balancing the time to launch.
- Engineer solutions to solve existing tech debt and write maintainable, sound and safe code.
Requirements
- 3+ years of experience as a Software Engineer, working with Typescript, React and serious interest or even better experience with Rust. However, we care much more about your general engineering skill than your knowledge of a particular language or framework.
- The ability to put yourself in the users' shoes and craft intuitive, high-quality web UI experiences
- A high bar for code quality and robustness for long-term expansion and use
- High personal initiative to learn, improve, and excel
- A Can-Do, entrepreneurial mentality with enjoyment for being a generalist
- DevOps: Experience with CI/CD pipelines, Docker, Kubernetes, and other DevOps tools.
- Experience with distributed systems, scaling applications, and/or microservices.
- Fluent in English (German is a plus)
Plus:
- Hands-on experience with the Rust
- Experience with functional programming
- Previously worked in an early-stage startup and experienced scaling of engineering teams
The ideal candidate will be familiar with the full software design life cycle. They should have experience in designing, coding, testing and consistently managing applications They should be comfortable coding in a number of languages and have the ability to test code in order to maintain high-quality code.
NET Developer Responsibilities:
- Utilizing Microsoft's .NET infrastructure to create software solutions that meet clients' requirements.
- Collaborating with coworkers to facilitate the creation of large, complex developments, as required.
- Reformulating existing code to ensure adherence to stipulated guidelines.
- Check your code to detect and remedy errors and omissions.
- Testing your outputs to ensure that they are in excellent working order.
- Ensuring that outputs are visually appealing, user-friendly, and engaging.
- Deploying developments and monitoring uptake by the target audience.
- Using clients' feedback to inform the creation of subsequent versions of each development.
Skills: Microsoft. Net, Win forms, LINQ, Entity Framework, Integrating REST Ful APIs, SQL
Good to have: ElectronJs, Electron. Net
Responsibilities :
- Design, build, and maintain high performance, reusable, and reliable code
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Skills :
- Should have 2 - 4+ years of experience in Java
- Hands on experience in designing and building Java application using various frameworks is must
- Experience in Spring, Spring cloud and Spring Boot
- Experience in Angular,SQL,GIT.
- Experience in Maven and Gradle
- Should Possess good knowledge in creating test plans and test strategies.
- Knowledge of implementing various testing methodologies, test automation tools
- Designing and documenting detailed test cases to cover all levels of tests
- Strong analytical and problem solving skills
- Excellent oral and written communication skills
- Good logical sense, strong technical skills and the ability to learn new technologies quickly
Education:
- Bachelor's (Required)
Experience:
- total work: 2 -4 years (Required)
Job Types: Full-time, Permanent
Salary: ₹60,000.00 - ₹100,000.00 per month
Skills:
- .NET framework, VB, C#
- HTML 5, Bootstrap, CSS, Less .
- Communication Protocols like HTTP, TCP, WCF, Web API, Modbus.
- Databases- MS SQL Server 2008 R2, MySQL. Knowledge on Redis, MongoDB.
- Scripting language -Java-Script, jQuery, AngularJS, SignalR, Ajax.
- AWS SDK preferred, Cloud Migration., IIS, Self-hosting, window server,
- Other tools -Postman & Fiddler, Tortoise SVN, Mantis bug tracking, Redmine.
Key Strengths :
- Good debugging skills.
- A major responsibility includes planning development cycle, designing, module development, code merge, Unit / Integration testing etc.
- Highly motivated team player.
- Experience in working on multiple projects simultaneously.
- Quick learning of any new technologies.
- Capable to take independent responsibility as well as ability to contribute and be a productive team member.
Key responsibilities:
- Involved into discussion of design and development of new feature enhancement.
- Involved in integration with the IoT devices over the TCP binary protocol.
- Involved in design and development of Web API to expose the data uploaded by devices to third party applications.
- Coordinating with the testing team for fixing bugs.
- Coordinating with firmware (Embedded) team for device integration.
- End to end design and development of modules.
Having experience in developing both front-end and back-end in .Net Projects.
Strong knowledge of .NET web framework preferably the latest version.
Strong Knowledge on MVC, Web Services, Entity Framework, Store Procedure and LINQ.
Proficient in C#, with a good knowledge of their ecosystems.
Strong understanding of object-oriented programming.
Skill for writing reusable libraries.
Familiar with various design and architectural patterns.
Knowledge of concurrency patterns
Familiarity with Microsoft SQL Server.
Experience/Knowledge in popular web application frameworks such as Angular2.
Understanding of fundamental design principles for building a scalable application.
Basic understanding of Common Language Runtime (CLR), its limitations, weaknesses, and workarounds.
Experience/Knowledge in implementing automated testing platforms and unit tests
Having experience in Angular 2 ( type script), SQL and web services is A MUST
Proficient understanding of code versioning tools preferably Git.
Willingness to learn new technologies.
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
- Integration of user-facing elements developed by front-end developers with server side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Creating APIs and backend systems
- Scraping sites and creating backend dashboards for data management
- Experience with React.js and native is a plus but not required
- Backend infrastructure management and deployment
- Experience with MongoDB, Express is a plus.







