Ajay Gupta

Python Developer

Python Developer with 3+ years of experience in backend development, specializing in designing and implementing scalable web applications using Python and the Django framework. Proficient in building and consuming RESTful APIs, optimizing database performance with MySQL, and integrating third-party services. Experienced in Elasticsearch, Pandas, and ETL processes for data-intensive applications. Adept at debugging, testing, and deploying robust solutions in agile environments. Committed to continuous learning, collaboration, and applying best practices in software development.

WORK EXPERIENCE

Python Developer at Innefu Private Limited, Delhi : Mar 2025 - Present

Responsible for performing ETL processes on large-scale data using Elasticsearch and Neo4j. Used Pandas to transform and analyze the data.
Generates multiple reports that support decision-making in business analyst.

Django Developer at InstaAstro Private Limited, Noida : July 2022 - Feb 2025 - 2 Years 8 Months

Improved the functionality and performance of a real-time chat communication system utilizing Google Firebase.
Designed and implemented a multi-channel communication system (Calling, SMS, Whatsapp & Push Notifications), ensuring seamless integration with backend services.
Built and maintained an eCommerce platform ("InstaStore") by creating scalable APIs using Django Rest Framework (DRF) to support various functionalities.
Successfully integrated multiple payment gateways (PhonePe, Paytm, Razorpay, Stripe, and Juspay) to ensure secure and flexible transaction processing.
Focused on writing reusable, efficient, and well-documented code for better maintainability and scalability.

InstaAstro

EDUCATION

B-Tech, Computer Science & Engineering

Abdul kalam Technical University, Lucknow (UP)

July 2018 - June 2022 - Graduated with 82%

Senior Secondary Education (12th)

Vishwakarma Inter College, Tappal (Aligarh)

July 2018 - Pursued with 81.8%

Secondary Education (10th)

Vishwakarma English School, Tappal (Aligarh)

July 2016 - Pursued with 82%

TECHNICAL SKILLS

Programming Language & Framework :
- Python, Django, DRF, Pandas, Flask
Databases Management :
- MySQL, SQL, Database design, Elastic Search, Neo4j
Backend Tools & Technologies :
- Celery, Redis, Slack with Django
Frontend Development :
- HTML, CSS, JavaScript, Bootstrap
Version Control & Collaboration :
- Git, GitLab, GitHub, Jira
Cloud & Notifications :
- Google Firebase, Firebase Firestore, Firebase Cloud Messaging
Payment Gateways :
- Razorpay, Stripe, Paytm, PhonePe, Juspay

PROJECTS

InstaStore (Mar 2024 - Present)

Developed a scalable eCommerce platform using Django Rest Framework (DRF) for seamless user interactions and efficient back-end operations.
Led a team of 4–5 developers, delivering functional REST APIs to the front-end team on schedule.
Technologies : Django, DRF, Python, MySQL, Celery, Git and Payment Gateways (Razorpay, Stripe, Paytm, Juspay).

InstaStore

Firebase Chat System (May 2023 - Feb 2024)

Created a real-time two-way chat system using Google Firebase, facilitating seamless communication between users and astrologers.
Integrated dynamic notifications using Firebase Cloud Messaging and ensured message storage and backup via Firebase Firestore
Technologies : Django, DRF, Python, MySQL, Celery, Git and Firebase Firestore, Firebase Cloud Messaging.

InstaChat

Blogger (May 2022 - June 2022)

Developed a full-stack blogging platform with CRUD operations and MySQL database for storing and managing blog posts and comments.
Technologies : Flask, Python, MySQL, SQL, HTML, CSS, JavaScript and Bootstrap.

Blogger

ACHIEVEMENT

Third party API Integrations

Successfully integrated third-party APIs to enhance system functionality and efficiency.
Implemented secure payment gateway integrations (Razorpay, Stripe, Paytm, PhonePe, Juspay) to streamline transactions.
Designed and implemented communication systems (calling, SMS, WhatsApp) using Exotel, Knowlarity, Ozonetel, Value First, Mtalkz, and Gupshup.

CERTIFICATES

Python (Basic)

It covers topics like Scalar Types, Operators and Control Flow, Strings, Collections and Iteration, Modularity, Objects and Types and Classes

Skills : GitHub · Data Structures · Database Management System (DBMS) · Programming Languages · Python 3 · Fundamentals

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Problem Solving (Basic)

It covers basic topics of Data Structures (such as Arrays, Strings) and Algorithms (such as Sorting and Searching).

Skills : Python3 and Problem Solving

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Rest API (Intermediate)

It covers topics like getting data from an API and process using parameters or paging.

Skills : REST APIs · requests · Python · API Development

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SQL (Basic)

It includes simple queries, relationships, and aggregators.

Skills : SQL, MySQL and RDBMS

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SQL (Intermediate)

It includes complex joins, unions, and sub-queries.

Skills : SQL, MySQL and RDBMS

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SQL (Advance)

It covers topics like query optimization, data modeling, Indexing, window functions, and pivots in SQL.

Skills : SQL · MySQL · Query Optimization · Data Modeling · indexing · window functions · Pivot Tables

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Software Engineer (Intern)

It covers topics like Problem solving and SQL.

Skills : Software Development · SQL · REST APIs · Problem Solving

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Software Engineer

It covers topics like Problem solving, SQL, and REST API.

Skills : HTML5 · GitHub · MySQL · REST APIs · Software Development Life Cycle (SDLC) · SQL · Database Management System (DBMS) · Problem Solving · Programming Languages · Python 3 · Fundamentals

Preview

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