11+ VSAM Jobs in Chennai | VSAM Job openings in Chennai

ob Description :

Mainframe Developer/Analyst

Combination of COBOL, JCL, VSAM with DB2 – Resources need to be strong developers.

Technical Skills:

• 5 to 10 years of Hands on Development experience

• Very good Hands-on in Cobol, JCL, VSAM, Db2, Mainframe Utilities,

• Strong Coding experience in COBOL, JCL, DB2, VSAM.
• Work experience in CICS / MQ series.
• Strong analytical skills to analyze complex code independently and extract business rules.
• Willingness to WFO (5 days WFO) (No WFH).
• JAVA / JSON will be added advantage.

• Ability to design, code, unit test, turnover, implement and support the changes.

• Writing and executing the unit test scenarios/cases to ensure the code quality and reliability.

• Deep understanding of all lifecycle components (code, test, deploy)

• Ability to present designs to peers and Product Owner for approval.

• Troubleshooting and debugging code to resolve technical issues.

• Optimizing application performance to ensure efficient use of software resources.

• Good verbal and written communication and interpersonal skills

Process Skills:

• Should have worked in Agile Project

Behavioural Skills:

• Good Communication skills

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.

About Team:

CaratLane's mission is to help customers express their emotions through jewellery. Consumer Experience Technology team is an enabler to deliver the exceptional Consumer Experience and WoW business features in large scale website, apps and backend systems.

What do we want:

* 5 to 8 years of experience in Java and Spring Boot working with large scale backend applications

* Expertise in PostgreSQL and any of caching databases

* Experience in developing RESTful/GraphQL APIs and microservices based applications

* Good problem solving and debugging skills.

* Exposure on event-driven, asynchronous I/O

* Good knowledge of engineering excellence: Unit Testing/TDD, Code quality, Documentation, CI&CD

* Experience in non-functional requirements (Scalability, Performance optimisation, Security)

* Experience is Linux development and AWS ecosystem tools

Who are we?

Centre for Research on Start-ups and Risk Financing (CREST) has been set up by IIT Madras to provide thought leadership and intellectual impact to the start-up and innovation ecosystem. CREST has embarked on an ambitious mission of becoming one of the top global research centres in the area of start-ups and innovation. The core of CREST is the development of an AI-driven Intelligent
Information Platform that would enable cutting edge research as well as influence policy and practice like never before
With the recent exponential growth in the start-up and innovation ecosystem, new data-driven approaches would play a critical part in sustaining the current growth curve. The objective of CREST would be to become the gold standard of information and intelligence on Innovation, Entrepreneurship and Private Equity investments in India

The Opening
We are currently looking for our next passionate, skilled and motivated Python developer, who can join us immediately. The candidate should
● Be excited about building a next-generation intelligence platform
● Have a can-do attitude and ready for challenges
● Value working with a greatteam - confident, creative and thoughtful people who come together to achieve great things
● Be eager to experiment, learn and bring new things, improving the platform
● Be high on self-belief and enthusiasm to work in a startup-like culture - small team, fast-paced work environment If this is you, we're excited to interact!

As the Data Science Engineer in CREST, you will

● Write reusable code and build libraries for future use
● Establish solid data-pipelines and automate routine tasks
● Develop & deploy custom Machine Learning (ML) models using the latest
research in ML and Natural Language Processing (NLP)
● Build performant applications following best practices, maximizing speed and scalability
● Improve upon the existing codebase mitigating technical debt
● Take ownership of all aspects of the application - architecture, quality and efficiency
Requirements
● Proficient understanding of Python language
● Expertise with data-modelling, data-wrangling & data-mining techniques
● Familiar with Extract-Transform-Load (ETL) processes and hands-on experience with packages like Pandas, Numpy etc
● Experience with data visualisation tools and libraries like Plotly, Seaborn etc
● Good understanding of advanced Statistical and ML techniques on
regression, classification, forecasting etc
● Skilled in NLP and specifically ML applications in NLP like information
extraction, feature engineering, classification, building language models etc
● Should provide direction and mentorship to junior team members
● Bachelor’s or Master’s degree from premier educational institutions
● Minimum 2 years of experience (research or professional) in the
above-mentioned areas
Good to have
● Comfortable with using Command Line and Linux systems
● Experience and knowledge in version control systems like git, svn, etc
● Knowledge in developing & deploying web apps & web APIs with an overall understanding of client-server interactions
● Experience with NoSQL databases like MongoDB
Job type
● Full time, on-site
● Immediate joiner
● Initial appointment for 1 year, it would be renewed subsequently based on performance

Work location
Department of Management Studies, IIT Madras campus, Chennai, Tamil Nadu,
India - 600036

Why work with us?
● Get to interact with the best of the minds. IIT Madras has been ranked as the
top university in India for 5 years in a row
● Be at the forefront of the Entrepreneurial ecosystem in India
● Enormous opportunities for learning

 2+ years of .NET Development experience

- Exceptional skills Experience with .NET,  technologies (WPF, Web Forms, .NET Core). Also skilled in MS SQL and PostgreSQL, Bootstrap and DevOps.

- Experience with DevExpress, Elasticsearch.Net, VS Studio is preferred SolarSearch

- Great business process understanding and written and verbal communication skills

- GitHub and Git experience.

As a Software Development Engineer 2 at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.

Top Skills:

• You write high quality, maintainable, and robust code, often in Java/C#/Python/C++/Go/Ruby on Rails/node/php.
• You recognise and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Responsibilities:

• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognise and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon's business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.

Requirements:

• Bachelors or Masters in Computer Science or relevant technical field with 3+ years of experience in Design and Development
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby, php.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability
• Proficiency in SQL and data modeling.

Basic Qualifications:

• 2+ years of non-internship professional software development experience
• Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
• 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.

Additional Job requirements

• BS/MS/PhD in Computer Science/Math or equivalent
• BS in computer science or related field.
• 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
• Knowledgeable in object-oriented design patterns.
• Experience building highly scalable and distributed systems

Preferred Qualifications

• Experience with service-oriented architecture and application/services development
• Passion for performance debugging and benchmarking