11+ Query optimization Jobs in Mumbai | Query optimization Job openings in Mumbai

Office Location: Goregaon Mumbai

Position description:

4+ years of experience in database development.

Primary Responsibilities:

• Understand requirements from front end applications developers
• Write advanced queries, stored procedures, cursors, functions & triggers
• Conduct code reviews
• Work with high-traffic application servers
• Complete understanding of various DB like Postgresql, Mongo DB, MySQL 
• Ability to identify root cause and mitigate issues
• Ability to lead a team of DB developers

Required Skills:

Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented, Strong communication skills

Functional: Oracle SQL, PostgreSQL Development - TSQL, Advance Queries, Query Optimization, Stored Procedures, Triggers & Cursors, Database Design, Indexes, Joins, ETL tools like SSAS, SSIS, High Data Volume Processing, DB Backup/Recovery.

Job Title : Node.js Developer / Backend Developer

Experience : 4+ Years

Job Location : Mumbai – Andheri

Work Mode : Work From Office (5 Days a Week)

Job Type : Full-time Opportunity

Role Overview :

We are seeking an experienced Node.js / Backend Developer to design, develop, and maintain scalable backend systems.

The ideal candidate will have strong hands-on experience with Node.js, Nest.js, relational and NoSQL databases, and AWS cloud services.

You will work closely with frontend developers, DevOps, and product teams to deliver secure, high-performance, and reliable backend solutions.

Mandatory Skills : Node.js, Nest.js, MongoDB, PostgreSQL, AWS, REST API development, strong backend fundamentals.

Key Responsibilities :

• Design, develop, and maintain scalable backend applications using Node.js & Nest.js

• Build and manage RESTful APIs and backend services

• Work with MongoDB and PostgreSQL for efficient data storage and retrieval

• Develop cloud-ready applications and deploy them on AWS

• Ensure application performance, security, and scalability

• Write clean, well-documented, and maintainable code

• Participate in code reviews and follow best engineering practices

• Troubleshoot, debug, and optimize existing applications

• Collaborate with cross-functional teams for end-to-end delivery

Required Skills & Qualifications :

• 4+ years of experience in Backend / Node.js development

• Strong hands-on experience with Node.js and Nest.js

• Experience working with MongoDB and PostgreSQL

• Good understanding of AWS services (EC2, S3, RDS, etc.)

• Experience building RESTful APIs

• Understanding of backend architecture, design patterns, and best practices

• Strong problem-solving and debugging skills

• Familiarity with version control systems (Git)

Good-to-Have Skills :

• Experience with microservices architecture

• Knowledge of Docker and CI/CD pipelines

• Exposure to message queues or event-driven systems

• Basic understanding of frontend-backend integration

🚀 Hiring: Python Developer

⭐ Experience: 2+ Years

📍 Location: Mumbai (Andheri East )

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

Looking for a skilled Python Developer with experience in Django / FastAPI and MongoDB / PostgreSQL.

⭐ Must-Have Skills:-

✅ 2+ years of professional experience as a Python Developer

✅Proficient in Django or FastAPI

✅Hands-on with MongoDB or PostgreSQL

✅Strong understanding of REST APIs & Git

Job Description   - Omniflow and Java Developer

Should have working experience between 6-8 years in Java development

Mandatory skills are good knowledge of object oriented concepts, experience of working on Spring boot application, should have worked on hibernate ORMS and candidate must have clear understanding of database concepts

Optional skills include knowledge of angular framework and postgreSQL database

Good to have knowledge of jBPM open source workflow

Qualifications

Master or Bachelor degree in Engineering/Computer Science /Information Technology

Additional Information

Skills and Competencies:
Strong documentation skills
Excellent communication skills, both written and verbal
Decision making and problem solving skills
Good organizational skills        

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. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

• Integration of user-facing elements developed by front-end developers with server side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection

• Strong proficiency with JavaScript & OOPS
• Knowledge of Node.js and frameworks available for it 
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Good understanding of server-side CSS preprocessors 
• Basic understanding of front-end technologies, such as HTML5, and CSS3
• Understanding accessibility and security compliance
• User authentication and authorization between multiple systems, servers, and environments
• 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
• Knowledge of AWS will be preferable

Rajasthan Studio is looking for young and bright minds for its upcoming innovative, never-experienced-before app platform for virtual art experiences.

We are looking for programmers with problem-solving skills and critical thinking abilities for the position of Back End developer. Back End developers are responsible for creating a bridge between customers and business logic, optimizing applications for maximum efficiency, creating dashboards for internal teams, and maintaining brand consistency across the application, among other duties.

Backend Web Developers are responsible for managing the interchange of data between the server and the users. The role's 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 -

• Creating RESTful API/GraphQL to be consumed by Flutter developers
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions
• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Provide training and support to internal teams

Skill & Qualifications -

• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Understanding accessibility and security compliances
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Data migration, transformation, and scripting
• Setup and administration of backups
• Outputting data in different formats
• 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
• Proficient understanding of OWASP security principles
• Understanding of “session management” in a distributed server environment
• Knowledge of Yii framework - version 2 (preferred)