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

Home
>
Jobs in Kolkata
>
Data Core Systems
>
Junior Database Developer

Junior Database Developer

Data Core Systems

3 - 5 years

3 - 8 Lacs

Kolkata

Posted:3 weeks ago| Platform:

Apply

Skills Required

MYSQL Postgresql SQL CI/CD Pipeline

Work Mode

Work from Office

Job Type

Full Time

Job Description

Key Responsibilities: Design, develop, and maintain relational databases using MySQL and PostgreSQL Write efficient and optimized SQL queries, stored procedures, triggers, and views Collaborate with backend and full-stack developers to support database-driven features Perform data migration , ETL processes , and schema updates as required Monitor and fine-tune database performance and troubleshoot issues Ensure data integrity, security , and backup strategies are implemented Support day-to-day production database operations and participate in code reviews Required Skills: Strong hands-on experience with MySQL (InnoDB, performance tuning) and PostgreSQL (schemas, indexing, extensions) Solid understanding of normalization/denormalization , database design principles Experience with pgAdmin, MySQL Workbench , or similar tools Proficient in writing complex joins, subqueries , and optimizing slow queries Familiarity with Linux-based environments , shell scripting , and cron jobs Good understanding of transaction management and ACID properties Good to Have: Understanding of ORM tools like Sequelize, Hibernate, or Prisma Familiarity with CI/CD pipelines and DevOps workflows Soft Skills: Good communication and documentation skills Ability to work independently and in teams Problem-solving mindset with a keen attention to detail

More Jobs at Data Core Systems

Accounts Executive

Kolkata

5 - 8 yrs

INR 7 - 12 Lacs

Jr Technical Recruiter

Kolkata

Experience: Not specified

INR 1 - 2 Lacs

Full Stack Developer (Vue.js + Django)

Kolkata

4.0 - 8.0 yrs

INR 4 - 8 Lacs

Sap Abap Consultant

Kolkata

5.0 - 8.0 yrs

INR 4 - 7 Lacs

SAP PP/PM/QM Consultant

Kolkata

4.0 - 8.0 yrs

INR 4 - 7 Lacs

Mock Interview

Practice Video Interview with JobPe AI

Start Job-Specific 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.

Job Application AI Bot

Apply to 20+ Portals in one click

Download Now

Download the Mobile App

Instantly access job listings, apply easily, and track applications.

Enhance Your Skills

Practice coding challenges to boost your skills

Start Practicing Now

Data Core Systems

Software Development

Tech City

Login to

Please Verify Your Phone or Email

Confirm Action

Search

Profile

Upskill and Grow with AI

Junior Database Developer