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.

Key Responsibilities:

●    Design, develop, and maintain high-performance, scalable, and secure backend systems using Java.

●    Build and maintain RESTful APIs and microservices to support application functionality.

●    Collaborate closely with frontend developers to ensure smooth integration with React/Angular-based frontend systems.

●    Work with both relational databases (SQL) and NoSQL databases to design data schemas, optimize queries, and maintain data integrity.

●    Leverage cloud platforms (AWS, Azure, Google Cloud) to deploy, monitor, and scale applications.

●    Implement and maintain containerization using Docker and Kubernetes (K8S).

●    Write unit tests for both backend and frontend code to ensure code quality and reliability.

●    Participate in code reviews to maintain code quality standards and mentor junior developers.

●    Contribute to a culture of continuous improvement, proposing and driving best practices in backend development, testing, and deployment.

Required Skills And Experience

●    Bachelors or Masters in computer science or related fields.

●    5+ years of experience in backend development, with strong expertise in Java (must-have).

●    Solid experience with frontend frameworks such as React or Angular.

●    Hands-on experience with RESTful APIs, Docker, and NoSQL databases (such as MongoDB, Cassandra, etc.).

●    Strong experience with SQL databases (such as MySQL, PostgreSQL, etc.), including database design, optimization, and query writing.

●    Familiarity with cloud platforms (AWS, Azure, Google Cloud) and Kubernetes (K8S).

●    Experience in writing unit tests and understanding of test-driven development (TDD) principles.

●    Strong understanding of Agile/Scrum methodologies.

Nice to Have:

●    Exposure to Automation Testing Frameworks (e.g., Selenium, Cypress).

●    Experience working in a SaaS (Software as a Service) environment.

●    Knowledge of Agile/Scrum methodologies.

Role : Nodejs developer

Please find below the JD for the Nodejs developer..

 Role: NodeJs Developer 

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. A basic understanding of front-end technologies is necessary as well. Responsibilities

 • Collaborate with other members of the team, such as front-end developers

 • Writing reusable, testable, and efficient code 

• Design and implementation of low-latency, high-availability, and performant applications 

• Implementation of security and data protection

 • Integration of data storage solutions • Writing unit test cases • Documenting application changes and developing updates. 

Skills 

• Strong proficiency with JavaScript 

• Experience of Node.js and frameworks available such as Express

 • Practical experience with REST, PostgreSQL, WebSocket, MongoDB, Redis. 

• Understanding the nature of asynchronous programming and its quirks and workarounds 

• User authentication and authorization between multiple systems, servers, and environments 

• Integration of multiple data sources and databases into one system 

• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform • Creating database schemas that represent and support business processes

 • Implementing automated testing platforms and unit tests

 • Proficient understanding of code versioning tools, such as Git

 • Good understanding of front-end technologies, such as HTML5, and CSS3  

About koolio.ai

Website: www.koolio.ai

koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond—easily. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.

About the Full-Time Position

We are looking for a Junior Frontend Engineer to join our fast-growing team on a full-time, hybrid basis. You will be a key contributor in enhancing the user interface of koolio.ai’s AI-powered platform, driving innovation and excellence in audio content creation. You will collaborate closely with senior developers and designers to deliver high-performance, user-friendly web applications that delight our customers.

Key Responsibilities:

• Collaborate with the product and design teams to develop and implement user-friendly web interfaces
• Write clean, efficient, and reusable code using modern frontend technologies
• Ensure responsive design and optimize web pages for performance and scalability across devices
• Debug and resolve issues, improving the overall user experience on the platform
• Assist in integrating APIs and frontend services with the backend
• Stay up-to-date with the latest trends in frontend development and suggest improvements to enhance the platform’s functionality

Requirements and Skills:

• Education: Degree in Computer Science or a related field
• Work Experience: Minimum of 1-2 years of proven experience as a Front-end Engineer or similar role with a focus on user interface development
• Technical Skills:
• Strong proficiency in JavaScript frameworks like ReactJS or Redux
• Proficiency in frontend languages such as HTML, CSS, and JavaScript (ES6+)
• Experience with CSS frameworks (e.g., Bootstrap or Tailwind CSS) for responsive design
• Basic understanding of REST APIs and integration with frontend applications
• Knowledge of version control systems (e.g., Git) and best practices in code management
• Soft Skills:
• Strong attention to detail and a focus on delivering high-quality work
• Ability to work effectively in a remote, collaborative environment with distributed teams
• Willingness to learn new technologies and adapt to a fast-paced startup environment
• Excellent communication and time-management skills, with the ability to manage multiple tasks simultaneously
• Other Skills: 
• Familiarity with Figma or other design tools is a plus. 
• Understanding of SEO principles and how frontend development impacts web performance

Compensation and Benefits:

• Total Yearly Compensation: ₹8-12 LPA based on skills and experience
• Health Insurance: Comprehensive health coverage provided by the company
• ESOPs: An opportunity for wealth creation and to grow alongside a fantastic team

Why Join Us?

• Be a part of a passionate and visionary team at the forefront of audio content creation
• Work on an exciting, evolving product that is reshaping the way audio content is created and consumed
• Thrive in a fast-moving, self-learning startup environment that values innovation, adaptability, and continuous improvement
• Enjoy the flexibility of a full-time hybrid position with opportunities to grow professionally and expand your skills
• Collaborate with talented professionals from around the world, contributing to a product that has a real-world impact

As a Sales Associate, you'll have the opportunity to contribute to MHFA India’s success by expanding our customer base and establishing long-term relationships. If you're a motivated self-starter with excellent communication skills and a knack for building rapport, we want to hear from you!

Key Responsibilities:

·       Prospect and qualify leads to generate new business opportunities.

·       Conduct product presentations and demonstrations to potential clients.

·       Build and maintain strong relationships with clients to understand their needs and provide appropriate solutions.

·       Achieve sales targets and contribute to revenue growth.

·       Continuously stay updated on industry trends and product knowledge.

·       Bachelor's degree in Business, Marketing, or a related field.

·       1-3 years (for Associate) and 4-6 years (Senior Associate) of experience in sales or business development roles.

·       Proven track record of meeting or exceeding sales targets.

·       Strong communication and negotiation skills.

·       Self-motivated and goal-oriented with a drive for success.

·       Ability to thrive in a collaborative team environment.

Mandatory

Exposure to the Trading and financial investment banking domain

All technical competencies are mandatory, and no relaxations/exceptions can be given.

Technical skills

Cloud computing (IaaS, PaaS, SaaS) -preferably in AWS

Compute/Container/Orchestration technologies (Docker, Kubernetes, ECS, EKS, Lambda/Serverless etc.)

Microservices & multi-tier architectures

DevOps/CI/CD (GIT/Bitbucket, Maven, Gradle, Jenkins, Sonar) GitLab is preferable

Java (Core & EE, Spring Boot, Spring MVC, Spring Cloud) & Python

RDBMS systems sucah as MySQL , Postgres and NoSQL, Storage Technologies (S3, EBS etc.)

API – GraphQL, REST, API Gateway

Integration and events/messaging technologies (Kafka, RabbitmQ, SNS, SQS)

Caching Solutions such as Elasticache/Redis, Hazelcast, EHCache

Observability and monitoring (Dynatrace, Cloud Watch, Grafana, Splunk, Datadog)

Very good understanding on Agile software releases and hands-on

Experience in project management tools like JIRA

Educational Qualification

Bachelor’s degree in computer science engineering/ECE/EEE, IT or MCA, MSc Computer Science

• Discussing project aims with the client and development team.
• Designing and building web applications using Laravel.
• Troubleshooting issues in the implementation and debug builds.
• Working with front-end and back-end developers on projects.
• Testing functionality for users and the backend.
• Ensuring that integrations run smoothly.
• Scaling projects based on client feedback.
• Recording and reporting on work done in Laravel.
• Maintaining web-based applications.
• Presenting work in meetings with clients and management.

• A degree in programming, computer science, or a related field.
• Experience working with PHP, performing unit testing, and managing APIs such as REST.
• A solid understanding of application design using Laravel.
• Knowledge of database design and querying using SQL.
• Proficiency in HTML and JavaScript.
• Practical experience using the MVC architecture.
• A portfolio of applications and programs to your name.
• Problem-solving skills and critical mindset.
• Great communication skills.
• The desire and ability to learn.

PAVONIAN SOLUTIONS PRIVATE LIMITED is looking for an experienced, versatile, multi-faceted UX Writer to perform copywriting magic on our BRAND. This is a remote full time role.

ABOUT YOU

Improve our users' experiences through copy: Creating original concepts and following through with clear, detailed and clear copy that is interesting, on brand, and focused on performance marketing. Writing in range of styles as appropriate for different clients

• Following best practices for quality user experiences from ideation user flow and wireframes to final content and implementation.
• Shape our product tone of voice guidelines:Help raise the bar for all brand communication, driving consistency and further developing our voice and tone guidelines as part of our wider foundational design system.
• Strengthen our brand:Working closely with our marketing copywriting team to make sure the copy you write to help people use our services is also consistent with our brand tone of voice and guidelines. Together you'll make sure that the brand is represented from marketing material through on boarding into using the product regularly, balancing that tone of voice with the context of the copy.
• Communication:You'll frame your decisions with strong rationales. Be able to tell a story, articulate the insights from market and UX research, and support decisions firmly and reasonably. Building brand awareness and increasing brand value and profitability
• Execution:Make sure marketing initiatives resonate with the target market
• Market research:You will research on services and data to determine the performance of the original solutions. This will allow you to iterate on your concepts and improve them over time.

You'll also be an integral part of the UX & Design team

• Collaboration: We believe that working with other disciplines makes for better solutions. Feedback is an important part of our personal and team development and we encourage one another to engage in regular, open conversation within cross-functional teams to build trust and respect about our work.
• Contribute to our design system: Helping take our mature design system, maintained by the whole team, to the next evolution.
• Grow the community: Coaching your colleagues in the team. Evolving our design processes, leading by example. Working on initiatives to expand the reach of UX and Design in the company.
•  

DUTIES AND RESPONSIBILITIES

You have a demonstrated track record of content and linguistic background, ideally in digital products. Maybe you've been called a copywriter, or a content designer, brand manager or a content strategist in a previous role. Maybe you're a UX research or a designer who has become more focussed on language. You're someone who can communicate and present the decisions and constraints within a project.

You've worked on complex projects before. You have a strong opinion on how copy and communication can be applied to product development. You are a fast, iterative thinker who can partner with any relevant department.

What to include in your application

A portfolio is a must. A portfolio with case studies is better. Tell us about the work as well as showing it.