Jobs

Interviews
Job Alerts
Tools

Upskill and Grow with AI

Mock Interview Practice interviews in realistic simulations

Coding Practice Improve your coding skills with challenges

Certification Earn certifications to validate your skills

AI Learning Get trained with AI expert sessions

Career Path AI insights for smarter career decisions

AI Job Match Score AI-Powered Job Match Against Your Resume and Optimize Your Resume

Career Tools and Resources

Resume Builder Build Professional Resume with Ease

ATS Friendliness Check Check Resume Friendliness for Applicant Tracking Systems

Auto Apply Apply to hundreds of jobs on any platform effortlessly

Co-Pilot (Chrome Extension) Your AI Assistant for Seamless Browsing Efficiency

Interview Questions Streamline interviews with ready-to-use questions

Salaries Discover market-driven salary insights across skillsets and geographies

Companies Explore leading companies actively hiring talent
For Employers

Home
>
Jobs in kolkata
>
Cognizant
>
Python, SQL

Python, SQL

Cognizant

6 - 9 years

0 Lacs

kolkata west bengal

Posted:1 day ago| Platform: SimplyHired logo

Apply

Skills Required

azure software troubleshooting databases sql aws analysis skills apis python

Work Mode

On-site

Job Type

Full Time

Job Description

Skill: Python, SQL

Experience: 6 to 9 Years

Location : AIA – Kolkata

Job Summary

We are seeking a skilled Python Developer with strong SQL knowledge to design, develop, and maintain data-driven applications. The ideal candidate will work closely with cross-functional teams to build scalable, efficient, and secure systems for data processing, analytics, and automation.

Key Responsibilities

Design, develop, and maintain Python applications for data processing and automation.
Write optimized SQL queries, stored procedures, and database scripts for relational databases (e.g., MySQL, PostgreSQL, SQL Server).
Integrate Python applications with databases and APIs for data ingestion and transformation.
Optimize database performance, indexing, and query execution plans.
Collaborate with data analysts, engineers, and product teams to deliver business solutions.
Implement ETL (Extract, Transform, Load) pipelines for data migration and reporting.
Ensure code quality through unit testing, code reviews, and adherence to best practices.
Maintain documentation for code, database schemas, and workflows.
Troubleshoot and debug application and database issues.

Required Skills & Qualifications

Strong proficiency in Python (Pandas, NumPy, SQLAlchemy, etc.).
Solid understanding of SQL (DDL, DML, joins, subqueries, indexing, transactions).
Experience with relational databases such as PostgreSQL, MySQL, or SQL Server.
Knowledge of database design, normalization, and performance tuning.
Familiarity with version control systems (Git).
Experience with REST APIs and JSON/XML data formats.
Strong problem-solving and analytical skills.

Preferred Skills

Experience with cloud platforms (AWS, Azure, GCP).
Knowledge of NoSQL databases (MongoDB, Redis).
Familiarity with data visualization tools (Tableau, Power BI, Matplotlib, Seaborn).
Understanding of CI/CD pipelines and containerization (Docker).
Experience with big data tools (Spark, Hadoop) is a plus.

More Jobs at Cognizant

Hiring For Python Developer

bengaluru

6.0 - 9.0 yrs

INR 5 - 15 Lacs

Oracle EPM

hyderabad

9.0 - 13.0 yrs

INR 35 - 50 Lacs

Oracle HCM Functional

pune

15.0 - 19.0 yrs

INR 35 - 60 Lacs

Oracle HCM Technical

bengaluru

5.0 - 7.0 yrs

INR 15 - 25 Lacs

MS Fabric

kolkata

6.0 - 9.0 yrs

INR 35 - 50 Lacs

Mock Interview

Practice Video Interview with JobPe AI

Start Python Interview

Start Your Job Search Today

Browse through a variety of job opportunities tailored to your skills and preferences. Filter by location, experience, salary, and more to find your perfect fit.