11+ Data cleansing Jobs in Chennai | Data cleansing Job openings in Chennai

• Partnering with internal business owners (product, marketing, edit, etc.) to understand needs and develop custom analysis to optimize for user engagement and retention
• Good understanding of the underlying business and workings of cross functional teams for successful execution
• Design and develop analyses based on business requirement needs and challenges.
• Leveraging statistical analysis on consumer research and data mining projects, including segmentation, clustering, factor analysis, multivariate regression, predictive modeling, etc.
• Providing statistical analysis on custom research projects and consult on A/B testing and other statistical analysis as needed. Other reports and custom analysis as required.
• Identify and use appropriate investigative and analytical technologies to interpret and verify results.
• Apply and learn a wide variety of tools and languages to achieve results
• Use best practices to develop statistical and/ or machine learning techniques to build models that address business needs.

• 2 - 4 years  of relevant experience in Data science.
• Preferred education: Bachelor's degree in a technical field or equivalent experience.
• Experience in advanced analytics, model building, statistical modeling, optimization, and machine learning algorithms.
• Machine Learning Algorithms: Crystal clear understanding, coding, implementation, error analysis, model tuning knowledge on Linear Regression, Logistic Regression, SVM, shallow Neural Networks, clustering, Decision Trees, Random forest, XGBoost, Recommender Systems, ARIMA and Anomaly Detection. Feature selection, hyper parameters tuning, model selection and error analysis, boosting and ensemble methods.
• Strong with programming languages like Python and data processing using SQL or equivalent and ability to experiment with newer open source tools.
• Experience in normalizing data to ensure it is homogeneous and consistently formatted to enable sorting, query and analysis.
• Experience designing, developing, implementing and maintaining a database and programs to manage data analysis efforts.
• Experience with big data and cloud computing viz. Spark, Hadoop (MapReduce, PIG, HIVE).
• Experience in risk and credit score domains preferred.

ompany Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Job Title: Java Developer

Experience range:- 3-6 Years

Location:- Chennai

Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)

·    Strong written/verbal communication skills

·      Minimum 3+Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·    Good knowledge of the JVM with an understanding of performance and memory optimization.

•  Good experience in Spring boot.
•  Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

•  Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

•  Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

•  Expert level understanding of Object-Oriented Concepts and Data Structures

•  Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Responsibilities

·        Understand requirements and translate them to product features.

·        Participate in Scrum meetings and express the work done and the plan clearly. Participate in scrum ceremonies and clearly communicate.

• Develop applications using Front end, middleware, and database-related technologies.
• Should be hands-on in developing and implementing best practices and writing smart pieces of code.
• Coding standards should be followed, and the code should be highly performant.
• Should be able to write unit test cases using any of the frameworks and should be completely automated.
• Should have strong exposure to REST API design and principles and adhere to RAML/Swagger or Open API specification
• Should be able to do impact analysis and document the design of the components.
• Should be able to develop reusable components using proper design patterns as listed by lead/architect so that it is extensible.

The Role offers

·        An outstanding opportunity to re-imagine, redesign, and apply technology to add value to the business and operations.

·        An end-to-end project exposure across multiple technical stacks and cloud platform

·        An individual who has a passion for learning and adapts to new technologies quickly and scales to the next level easily.

• High visibility, the opportunity to interact with multiple groups within the organization, technology vendors, and implementation partners.

Essential Skills

·        4+ years of in-depth knowledge in Core Java, Spring DI, Spring MVC, REST, JMS, Hibernate, JDBC, PL/SQL

·        1+ years of experience in Spring boot, Angular 8 or above

·        2+ years of experience in RESTful HTTP services design

·        2+ years of experience in Javascript, JQuery, Bootstrap, HTML 5, CSS3

·        2+ years of experience with SQL Server, Postgre SQL writing stored procedures, performance tuning, and identifying deadlocks, transactions, and data locking/blocking scenarios

·        Working knowledge of Webpack, CLI, and Agile Scrum framework

·        Good communication and unit testing knowledge.

·        Good to have knowledge in one of the cloud platforms like AWS/Azure/PCF

·        Work experience in frameworks like JPA, Spring Core, Spring AOP, and Spring Data

·        Familiar with Continuous Integration methodologies and tools, including Jenkins

·        Good to have: Exposure to Microservices, Docker, Kubernetes, and cloud deployment 

Essential Qualification

·        MCA/equivalent master’s in computers is a must.

Job Summary:

Core Technical Skills

Strong JavaScript OR TypeScript experience (minimum 2 years)

Angular OR good balance of JS/TS + Angular skills

Understanding of HTTP requests & web technologies

Hands-on project experience in JavaScript ecosystem

Good to have (not mandatory):

Node.js

XPath

Puppeteer

Automation scripting exposure

Coding & Development Skills

Building and maintaining UI components

Writing clean, maintainable code

• Debugging & troubleshooting in production/test environments

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Thirega@ vysystems dot com - WhatsApp - 91Five0033Five2Three

Title:- Java Backend Developer

Location:- Chennai ll Kochi ll Trivandrum

Employment Type:- Full time

Experience Required:- 5+ years

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 5 to 11 years of relevant work experience in Java development.
• Java, Spring, Spring boot, Micro services

Additional Skills (Optional):

Experience with cloud platforms such as AWS, Azure, or Google Cloud.

Knowledge of Agile methodologies and tools like Jira.

Good communication and teamwork skills.

Skills: Java, Spring boot, Implementation, Healthcare

Job Title: Test Engineer

Job Description:

We are seeking a Test Engineer with 3 to 6 years of experience to join our dynamic testing team. The ideal candidate will have a strong background in manual/Automation testing, excellent communication skills, the ability to write comprehensive test cases, and a deep understanding of the domain in which our products operate. The Manual Tester should be a proactive team player, capable of taking ownership of their work, maintaining good rapport within the team and across other teams, and providing clear and accurate documentation of testing activities. Hands on experience in automation testing and API testing.

Qualifications and Skills:

• 3 to 6 years of experience in manual testing and automation testing.
• Excellent communication skills to effectively collaborate with team members and stakeholders.
• Strong test case writing/execution and Automation scripting skills.
• Deep domain knowledge relevant to the software under test.
• Proactive and self-motivated with a strong sense of ownership.
• Effective documentation and reporting skills.
• Experience with Web Automation is mandatory and mobile automation is an added advantage.
• Experience with API testing.

About us:

HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.

We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.

To know more, Visit! - https://www.happyfox.com/

Responsibilities:

• Perform manual and automated application penetration tests and provide suggestions to harden our products
• Participate regularly in the development and release process to identify and report security vulnerabilities in the code being shipped
• Conduct regular audits on all Features/APIs of the product and reports vulnerabilities to the development team
• Keep up with industry trends in the security space
• Triage inbound vulnerability reports with an appropriate level of urgency and track them until they are resolved by Engineering teams
• Should be able to understand different elements of our NodeJS, Python and similar stacks and provide guidance on secure software development practices to the team
• Scale our application security engineering team

Requirements:

• Strong verbal and written communication skills
• Has worked on Web Application Security Testing for a reasonably complex application. The mobile experience is a plus
• Good knowledge of secure software development guidelines from authoritative bodies like NIST, OWASP, SANS
• Hands-on experience in performing manual/automated security assessments with open-source/commercial security tools

• Design, configure, test, deploy and maintain reusable Automation Anywhere scripts and frameworks.
• Create and maintain technical documentation, including the Solution Design Document.
• Work collaboratively with Product Owners and Business Teams during test phases and UAT to test, debug and overcome issues.
• Participate in and contribute to deployment activities inclusive of Pre and Post release activities.
• Work on Automation Anywhere and IQ Bot related solutions as needed.
• Participate in daily team stand-ups, planning sessions, etc.
• Work closely with stakeholders to review and refine business process workflows including identifying areas of possible simplification.
• Lead deployment of new releases / upgrades within RPA.
• Propose and implement system enhancements (software and hardware updates) that will improve the performance and reliability of the system.

Company Overview: We are a fast-growing vertical SaaS company in Chennai. Our product - GrowSmart - is used by leading project contracting companies across India. Our team values the following: respect for every individual, excellent learning opportunities, challenging work environment, larger responsibilities earlier in your career, commitment towards results, recognition for hard work. Website: https://growsmartsmb.com 

Job Overview: You will be part of the core product engineering team. It’s a small, highly productive team building a large and complex product. Our web app is built with React and Redux. The mobile apps are built with React-Native. The backend is built with NodeJs and PostgreSQL. So, javascript is the language we speak 😉. If you are fluent in javascript, you will be a great fit! This position is primarily for the front-end, but we encourage full-stack developers.

You will be a team player working collaboratively with product leaders, UI designers, and the testing team. Requirement Analysis, Design, Development, Unit Testing, and Integration Testing are the major activities you will take up. You will own a feature from UI design to go live.

Skills Expected:

1. Sound understanding of HTML/ DOM / Javascript / CSS.
2. Strong practical expertise in React and Redux.
3. Good understanding of usability, error handling, performance, and reusability concepts.
4. Ability to learn new concepts rapidly.
5. Ability to handle complexity - you will work on a large and complex app, often more than one task at a time.
6. Being self-driven - you enjoy taking ownership; you don’t need constant follow-up from a manager.

Job Highlights: Great opportunity to work on the full-stack in a large and complex product, with a small core team. Modern workplace at the heart of the city – Ashok Nagar. Young and flat team – you get full freedom to learn and grow. Excellent growth opportunity – can take up bigger responsibilities earlier in your career. Medical insurance for self. Due recognition and appreciation for hard work.