Wissen Technology
https://wissen.comAbout
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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Jobs at Wissen Technology
PythonData Engineer - Power BI Modelling
Level: Senior to Advanced - 5-15 years
Locations: Mumbai / Bengaluru
Joining an existing data engineering squad, you own Power BI semantic modeling on top of PySpark/SQL pipeline engineering, delivering enterprise-grade reporting and analytics. As an embedded Data Engineer, you turn PySpark pipelines into trusted Power BI models for the business.
Note: Shares a common PySpark/Snowflake base with "Data Engineer - Graphing" - source together, differentiate on semantic-modeling vs. graphing depth at interview.
Key responsibilities
- Model semantically. Build and maintain Power BI semantic models (DAX, star schemas) for enterprise reporting.
- Build pipelines. Develop PySpark/Python and SQL pipelines feeding the Snowflake environment.
- Partner with stakeholders. Translate reporting requirements into performant data models.
- Ensure data quality. Validate accuracy and performance of models and underlying pipelines.
- Collaborate. Operate inside the existing squad with no separate delivery lead required.
- Explore GenAI. Apply GenAI techniques to reporting and data use cases as opportunities arise.
Must-have qualifications
- Python and PySpark
- SQL
- Power BI semantic modeling (DAX, data modeling)
Preferred
- Snowflake; Dataiku
- GenAI exposure
What success looks like – first 6 to 12 Months
- Power BI models adopted for key reporting use cases
- Reliable PySpark/SQL pipelines feeding those models
- Smooth integration into the existing squad
Confidential – Wissen Technology
Java
Spring BootMust have
Experience in the Core Java development
Good understanding of Object Oriented Design, Design Patterns and data structure algorithms
Experience in Multi-threading, Hashmaps, Collection arrays
Experience in Java collections
Experience in developing applications using Spring Boot
Proficient in building Micro Services with Java 1.8 or higher, J2EE, Spring, Spring Boot.
Proficient with No SQL and Relational Databases
Hands on experience in Unit testing frameworks like Junit / Mockito OR TDD
PythonJob Summary
We are looking for a skilled and experienced Data Engineer to join our growing data team. The ideal candidate will have strong expertise in Python, PySpark, Data Modeling, and Power BI, with hands-on experience in designing, developing, and optimizing scalable data solutions. The role requires working closely with business stakeholders, data architects, and analytics teams to build robust data pipelines and semantic models that enable data-driven decision-making.
Technical Skills
- Strong hands-on experience in Python and PySpark development.
- Expertise in building and optimizing Data Engineering solutions and ETL pipelines.
- Strong understanding of Data Modeling concepts (Star Schema, Snowflake Schema, Dimensional Modeling).
- Experience with Power BI Data Modeling and Semantic Layer development.
- Proficiency in DAX (Data Analysis Expressions).
- Experience designing and managing Semantic Models in Power BI.
- Strong SQL skills and experience working with large datasets.
- Knowledge of data warehousing concepts and best practices.
Preferred Skills
- Experience with cloud platforms such as Azure, AWS, or GCP.
- Exposure to modern data platforms like Databricks.
- Understanding of data governance and data quality frameworks.
NodeJS (Node.js)
React.jsWhat role will you play?
As a Full Stack Engineer, you will play a pivotal role in our development team, bridging the gap between the visual elements and the server-side infrastructure. You will be instrumental in developing full-fledged, scalable applications by combining the art of design with the science of programming. With your expertise in both front-end and back-end technologies, you will ensure the entire stack is designed and built for speed and functionality.
Your day to day will involve designing and developing dynamic, high-quality web applications, leveraging the Node.js and python for the back end services and React/Angular for the front end. Close collaboration with UI/UX designers will be essential, allowing you to bring web designs to life while ensuring high performance and responsiveness. Additionally, you will actively participate in coding, debugging, and testing to deliver reliable solutions whilst also working closely with other developers, designers, and product managers, fostering a collaborative environment to meet project goals and deadlines effectively.
What you offer
- Proficiency in Typescript and a good understanding of React
- Solid experience with the Node.js, including the ability to develop RESTful APIs
- Experience with containerisation of service using Docker
- Knowledge of modern authorisation mechanisms, such as JSON Web Token (JWT)
- Familiarity with SQL databases, such as PostgreSQL
- Experience with Kafka or other event driven tools and tech
- Nice to have some experience integrating with LLMs through open AI, Gemini etc.
- Nice to have exposure to AI tooling – Claude, Copilot, Cursor etc.
- AWS experience is a nice to have
JavaSpring BootExperience: 3-5 years
Wissen Technology is now hiring for a Java Developer (with Azure) - 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. - 3-5 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.
JavaSpring Boot
Angular (2+)JOB DESCRIPTION
Role- Java Full stack (Java+ Angular)
Experience-3-5 years
Sills:
- Core Java - JMS, JDK, Java Spring boot, Multi-Threaded Java, Junit Test, TTD, Client-Server APP, IntelliJ, Eclipse
- Tomcat, Apache, SOAP, RESTful Web Services, Web Services
- Angular, JavaScript, XML, JSON, HTML, CSS, Bootstrap
- Gradle, Maven, SVN, Git, TFS, Jira, IIS, TFS, Perforce, Docker
- Demonstrated ability to articulate customized solutions to meet business requirements
- Work closely with Internal developers on production issues and enhancement requests
- Assist with preparation, coordination, and execution of User Acceptance Testing
- Manage the prioritization, logging and tracking of user related issues, defects, enhancements and work requests
- Manage and work on multiple projects
- 3+ years System development and exposure to Business Analysis experience
- Strong domain knowledge in finance/asset management
Nice to have:
- SQL Server and Sybase Development
- SQL experience - able to write stored procedures, trigger functions
- XML/XSLT Messaging
- Everest (AllVue/Black Mountain) Platform
- Blackrock Aladdin
- Snowflake
- Experience in requirements gathering, documentation and workflow diagramming
- Act as technical SME for trade and data workflows.
- Analyze and document current state and future state workflows
- Excellent verbal and written skills
- Ability to work in a team environment
- Ability to work effectively and efficiently with minimal supervision
- Capable of managing multiple tasks with tight time deadlines
- Possess strong analytical ability and excellent attention to detail
- Experience in Fixed Income Floating Rate products (Loans and CLOs), OMS, Trading, Compliance workflow.
JavaReact.jsJob Description – Java Full Stack Developer
Experience: 8–12 Years
Location: Bangalore
Role Overview
We are looking for an experienced Java Full Stack Developer with strong hands-on expertise in Java, modern web development, AI/Generative AI, APIs, workflow orchestration, CI/CD, observability, and production support.
Key Responsibilities
- Design, develop, and maintain scalable full-stack applications using Java and modern web technologies.
- Develop backend services and microservices using Java, Spring Boot, and REST APIs.
- Build and integrate modern frontend applications using React, Angular, or similar technologies.
- Integrate AI / Generative AI / LLM capabilities into enterprise applications.
- Develop and manage workflow orchestration and process automation solutions.
- Design and integrate APIs with internal and external systems.
- Implement and maintain CI/CD pipelines for automated build, testing, and deployment.
- Implement observability through monitoring, logging, metrics, and tracing.
- Identify and remediate security vulnerabilities across applications and dependencies.
- Troubleshoot issues and provide production support, including root-cause analysis and resolution.
- Participate in code reviews and ensure adherence to engineering, security, and development best practices.
Mandatory Skills
- Strong hands-on experience in Java & Spring Boot
- Full Stack Development with React / Angular or similar
- Microservices & REST APIs
- AI / Generative AI / LLM integration
- Workflow orchestration / process automation
- CI/CD
- Application observability & monitoring
- Vulnerability remediation & secure coding
- Production support & troubleshooting
- Strong understanding of software development lifecycle and design patterns
Experience: 8–12 Years | Location: Bangalore | Joining: Immediate
JavaMust have experience in Java
Must have experience in Spark
Must have experience in ETL coding
Strong expertise in coding
JavaSpring BootAbout the Role
We are looking for a highly skilled Senior Java Developer with 8+ years of experience in designing, developing, and implementing enterprise-grade applications. The ideal candidate should have strong expertise in Java-based technologies along with practical experience in AI-powered applications, Generative AI, Machine Learning integrations, or AI frameworks. This role will involve working closely with cross-functional teams to build scalable, high-performance solutions leveraging modern AI technologies.
Technical Skills
- 8+ years of hands-on experience in Java development.
- Strong expertise in:
- Java 8/11/17
- Spring Boot
- Microservices Architecture
- RESTful APIs
- Hibernate/JPA
- Multithreading & Concurrency
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Solid understanding of containerization technologies such as Docker and Kubernetes.
- Experience with CI/CD pipelines and DevOps practices.
Java
Amazon Web Services (AWS)Key Responsibilities
Build and maintain data transformation pipelines using java Spark
Develop and optimize large-scale/CPU intensive data processing using Apache Spark
Orchestrate workflows using Airflow
Implement data quality checks, testing, and monitoring for pipeline. Good to have exposer into managing metadata, cataloguing, and lineage
Support schema evolution, backfills, and incremental processing
Ensure pipelines meet SLAs for freshness, reliability, and performance
Expertise/working knowledge in Spark and HBase(semantic layer, virtual datasets, Reflections)
Required Skills & Qualifications
Strong hands-on experience with
HBase
Apache Spark
Experience with HBase or similar lakehouse query engines
Airflow
Understanding of data catalogs and lineage (e.g., OpenLineage, DataHub, Apache Polaris , openlineage)
Proficiency in Java
Experience with Git-based development and CI/CD
Nice-to-Have Skills
OpenTable format/Iceberg ,Apache Arrow
CDC-based analytics pipelines
Cloud platforms (AWS)
Kubernetes-based data platforms
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