

Job Title: KDB+ Developer (Q Programming)
Location: Mumbai, India
Experience: 3 to 5 Years
Employment Type: Full-time
Job Description
We are seeking a highly skilled KDB+ Developer with hands-on experience in Q programming language to join our dynamic team in Mumbai. As part of our organization, you will play a key role in designing, developing, and maintaining time-series databases and analytics systems for high-performance financial applications.
Key Responsibilities
Develop and maintain KDB+ databases and applications.
Design, implement, and optimize data models and queries using Q programming language.
Work closely with stakeholders to gather requirements and deliver technical solutions for large-scale, real-time analytics.
Integrate KDB+ with other technologies and platforms.
Troubleshoot and resolve issues in the KDB+ environment to ensure optimal performance and uptime.
Collaborate with cross-functional teams to deliver end-to-end solutions in a fast-paced environment.
Required Skills and Qualifications
3 to 5 years of experience in KDB+ development with strong proficiency in Q programming language.
Expertise in building scalable, high-performance applications using KDB+.
Strong analytical and problem-solving skills.
Familiarity with real-time data processing and time-series databases.
Knowledge of financial markets and trading systems is a plus.
Ability to work collaboratively in a team-oriented environment.
Excellent communication skills and attention to detail.
Preferred Skills
Knowledge of Python, Java, or other programming languages is a bonus.
Experience in Linux/Unix environments.
Exposure to cloud technologies is an added advantage.
If you are passionate about working on large-scale data systems and solving complex problems, we would love to hear from you!

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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About the Role
We are looking for a Node Backend Developer to design, develop, and maintain the server-
side logic for our next-generation healthcare platform. You will work closely with cross-
functional teams to build high-performance, scalable, and secure applications that power
seamless experiences for hospitals, insurers, and healthcare professionals. The ideal
candidate has strong Node.js and Express expertise and can contribute to the
development of robust backend systems and APIs.
Responsibilities
Backend Development & API Design
• Design and implement RESTful and GraphQL APIs using Node.js and Express
• Develop microservices architecture for scalable and maintainable backend systems
• Optimize database queries and enhance performance of existing systems
• Write clean, maintainable code following best practices and design patterns
System Integration & Database Management
• Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB)
• Integrate with third-party services and APIs (hospital systems, insurance platforms)
• Implement caching mechanisms and message queues for improved performance
• Design and manage database schemas, migrations, and data models
Security & Compliance
• Ensure adherence to healthcare security standards (HIPAA, GDPR, ABDM, etc.)
• Implement authentication, authorization, and data encryption mechanisms
• Follow secure coding practices and conduct code security reviews
• Address security vulnerabilities and implement fixes
Collaboration & Process Improvement
• Work closely with frontend developers, DevOps engineers, and product managers
• Participate in code reviews, sprint planning, and technical discussions
• Contribute to CI/CD pipelines and deployment automation
• Document APIs, services, and system architecture
Required Skills & Qualifications
• 2+ years of experience in backend development using Node.js
• Strong proficiency with Express.js framework and RESTful API design
• Experience with relational databases (MySQL, PostgreSQL) and SQL
• Knowledge of microservices architecture and containerization (Docker)
• Understanding of version control systems (Git) and CI/CD workflows
• Strong problem-solving abilities and debugging skills
• Excellent communication and collaboration skills
Nice to Have
• Experience with AI/ML integration in backend systems
• Familiarity with healthcare or insurance industry applications
• Knowledge of cloud platforms (AWS, Azure, GCP)
• Experience with NoSQL databases (MongoDB, Cassandra)
• Understanding of event-driven architecture and message queues (Kafka, RabbitMQ)
• Proficiency in additional programming languages (Python, JavaScript)
What You'll Gain
• Opportunity to build scalable solutions for mission-critical healthcare operations
• Work in a fast-paced, innovative environment with cutting-edge technologies
• Exposure to AI-driven healthcare solutions and enterprise integrations
• Growth potential into Senior Backend Developer or Backend Team Lead roles


What we are looking
- You must have experience in Python, including development of microservices using flask/fastapi/sanic.
- You hold knowledge of at least one Python web frameworks
- You have experience in NoSQL databases such as MongoDB
- You are familiar with relational databases and unstructured data.
- You are familiar with some ORM (Object Relational Mapper) libraries.
- You have prior exposure to code versioning tools such as Git.
- You understand fundamental design principles behind a scalable application
Good to have
- Experience in cloud services such as AWS
- Knowledge of user authentication and authorization between multiple systems, servers, and environments
- Understanding of the threading concepts in Python and multi-process architecture
What you'll do
- Create database schemas that represent and support business processes
- Integrate multiple data sources and databases into one system.
- Develop and integrate RESTful APIs and services for business use cases
- Perform unit and integration tests on developed modules
Key Responsibilities/Duties:
· Develops and enhances software applications through coding and testing.
· Writing well designed, testable, efficient code
· Involves in code reviews and training.
· Contributing in all phases of the development lifecycle
· Delivers highest quality software by creating unit test plans and testing code thoroughly.
· Adept with the tools, applications, and processes used for software development.
· Implements solutions as designed in technical documentation specification and coding standards.
· Creates project documentations and coordinates technical issues.
· Knows the business rules and concepts, software specifications and designs provided by the technical lead and apply them in completing the assigned task.
Qualification: Bachelors or Master’s degree in Computer Science or Engineering.
Job Description:
- Very good Core Java programming skills, with 7+ years of experience, of which 3 - 4 in core
- development programs.
- Expertise on Agile and Build (Jenkins/GIT/Continuous Integration)
- Rich experience in software development SDLC - Requirements, Analysis,
- coding, review process, build and test.
- Fair understanding Linux fundamentals
- Solid understanding of object-oriented programming
- Good English comprehension and communication skills, both oral and written,
- Ability to write routine business correspondence, and technical notes
- Strong customer service orientation, proactive in updates/blockers


IoT backend - * Good work experience in C#.Net, Asp.Net Web APIs, Microservices
* Good development work experience in Azure: AppServices, Functions, Authentication, Consuming and leveraging Azure SAAS services, IoT services, MQTT, IoT Hub, Working with schema less databases, Timeseries database, etc
* Good experience in MS SQL
# Good to have is some development experience in front-end technologies JavaScript, Angular, React, etc


Your Job Role
- Write clean, scalable code using .NET Framework
- Remain up to date with the terminology, concepts, and best practices for coding.
- Develop technical interfaces, specifications, and architecture
- Use and adapt existing web applications for apps
- Create and test software prototypes
- Develop client displays and user interfaces
- Assist software personnel in handling project-related work and other requirements
- Coordinate with other software professionals and developers
What are requirements
- Familiarity with the ASP.NET framework, SQL Server, and design/architectural patterns (e.g. Model-View-Controller (MVC)
- Min 3 years experience of development experience using C# .NET
- Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic . NET) and HTML5/CSS3
- Familiarity with architecture styles/APIs (REST, RPC)
- Understanding of Agile methodologies
- Strong attention to detail
- Excellent troubleshooting and communication skills
- Knowledge of REST and RPC APIs
- Able to work well in a team setting
Other Details
Experience required- 3+ years
Job Location- Noida (Onsite)
Job Type- Full time


- Provides free and subscription-based website and email services hosted and operated at data centres in Mumbai and Hyderabad.
- Serve global audience and customers through sophisticated content delivery networks.
- Operate a service infrastructure using the latest technologies for web services and a very large storage infrastructure.
- Provides virtualized infrastructure, allows seamless migration and the addition of services for scalability.
- Pioneers and earliest adopters of public cloud and NoSQL big data store - since more than a decade.
- Provide innovative internet services with work on multiple technologies like php, java, nodejs, python and c++ to scale our services as per need.
- Has Internet infrastructure peering arrangements with all the major and minor ISPs and telecom service providers.
- Have mail traffic exchange agreements with major Internet services.
Job Details:
This job position provides competitive professional opportunity both to experienced and aspiring engineers. The company's technology and operations groups are managed by senior professionals with deep subject matter expertise.
The company believes having an open work environment offering mentoring and learning opportunities with an informal and flexible work culture, which allows professionals to actively participate and contribute to the success of our services and business.
Job Role and Responsibilties:
1. Full lifecycle (SDLC) application development.
2. Designing, coding and debugging existing code.
3. Understanding of front end and user interface engineering design.
4. Software testing and quality assurance.
5. Integration of the modules in the existing systems.
6. Evaluation and identification of the new technology developments in the work domain.
7. Maintaining standard practices and compliances.
QUALIFICATION AND EXPERIENCE
A graduate degree or senior Diploma in engineering or technology with 4-8 years of experience in some or all of the following.
- PHP, Integration with MemCache, Membase, MySQL, Oracle, CDB/BDB, Error Handling and debuggers
- Data Structures,
- HTML / XHTML, CSS, java-script, Smarty
- Web Services, SOAP, XML, REST
- Code optimization, Scaling, Session management, Version control Systems
- MIME Parsing, Large data processing in PHP (encoding, parsing, escaping for special characters etc.)
- Coordinating with the design team, apps team.
- Understanding the nature of asynchronous programming, event-based programming, its quirks, and workarounds.
- Working on system design problems, understanding various tech frameworks, what specific problems they solve, what new problems they give rise to, and architectures that work at scale.
- Taking risks, and learn quickly from your mistakes.
- Brainstorming between various approaches, doing small experiments to test hypotheses, aligning the team to follow a particular approach, being thorough in your research.
- Collaborating well with others, knowing that better solutions come from working together
- Pushing for continuous improvement to existing processes.
Desired Candidate Profile
What you need to have:- Bachelor's degree in Computer Science (or related field)
- Hands-on experience with MERN stack.
- experience in Agile/SCRUM methodology and modern tools like Jira, Slack, GitHub, etc.
- Exposure to messaging systems like Kafka/Rabbit MQ, Docker, Kubernetes, CI/CD.
- Microservices architecture, orchestration between various services, error-handling.
- Project Management, Reporting
- Insatiably curious.
- Obsessed with putting the best-in-class systems in place




