
Pratik Savaliya
Verified Expert in Engineering
FastAPI Developer
Surat, Gujarat, India
Toptal member since May 29, 2025
Senior Backend & AI Engineer with 6+ years building scalable web apps and AI platforms using Python, Django, FastAPI, and Flask. Expert in Django ORM for data modelling, API workflows, and query optimisation. Skilled in PostgreSQL, Redis, Docker, AWS, and REST APIs. Focused on secure, scalable, production-ready systems that solve real business problems.
Portfolio
Experience
- Django ORM - 6 years
- Python - 5 years
- Amazon Web Services (AWS) - 4 years
- FastAPI - 4 years
- Image Processing - 3 years
- Large Language Models (LLMs) - 3 years
- Flask - 3 years
- OpenAI API - 2 years
Preferred Environment
Python, FastAPI, Django, Flask, Amazon Web Services (AWS), Microservices Architecture, JavaScript, Web Scraping, GraphQL, Django ORM
The most amazing...
...thing I did was automate fax-to-database processing for a healthcare client using ChatGPT and RingCentral, cutting manual work by 70%.
Work Experience
Senior Software Engineer
Nimbus healthcare
- Led integration of Jira APIs into Nimbus Healthcare using Python (Django ORM) and REST services to streamline task management, status tracking, and workflow automation. Built scalable backend services and integrated them with frontend systems.
- Developed GenAI-powered automation for healthcare fax processing using AI models, webhooks, and data pipelines, reducing manual effort by over 70% and improving data accuracy.
- Designed end-to-end workflows connecting backend services, APIs, and AI systems, ensuring efficient data processing and seamless system integration in a cloud environment.
- Design and manage relational data models using Django ORM and PostgreSQL, integrating database logic cleanly within API and service layers.
- Deploy and maintain containerised applications on AWS using Docker, CI/CD pipelines, and cloud-native services for reliability and scale.
Senior Software Engineer
Kreator.ai - AI-powered Content
- Developed and deployed a robust AI-driven platform offering a suite of tools to revolutionize content creation and user engagement across various domains. Leveraged Generative AI (GenAI) and advanced neural networks to enable high-quality.
- Built tools for generating SEO-optimized articles and blogs, utilizing NLP and AI/ML models for content relevance and optimization.
- Designed tools powered by Python and AI to create engaging memes and social media content, ensuring user-friendly customization.
Senior Software Engineer
Gridkey Technologies Private Limited
- Designed and implemented AI-powered recommendation engines for marketing analytics and user personalization.
- Applied natural language processing (NLP) techniques for text classification and automated tagging in client products.
- Built reusable Python modules that reduced API development time by 30% and improved code quality by 25%.
- Mentored interns in Python and AI basics, guiding them through building simple machine learning (ML) models using scikit-learn and Pandas.
Python Developer
Wonder Softwares
- Developed multiple Flask and Django back-end applications to support various web-based projects, ensuring efficient and scalable functionality.
- Deployed web applications on cloud platforms such as AWS and the Google Cloud Platform (GCP), leveraging cloud services to optimise performance, scalability, and reliability.
- Handled datasets, including data collection, cleaning, analysis, and visualisation, to support data-driven decision-making processes within the projects.
- Took part in making decisions based on information, helping the projects be successful and work better for everyone using them.
Experience
PitchPerfect AI – Master Sales Pitches with AI
AI Image Generation Bot for Telegram
KEY FEATURES
• AI-powered image generation
• Simple text-based prompts
• Instant results within Telegram
• Easy-to-use and accessible anytime
Personal Shop
https://chromewebstore.google.com/detail/personal-shop/ahgdolfoafpejndlhnmojpkneiglfbea• Led a project focused on extracting data from an eCommerce website.
• Developed a powerful web scraper with a capacity of 150+, including Shopify, WooCommerce, Wix, and WordPress.
• Extracted a wide range of data, including product details, pricing, descriptions, and images.
DATA SET CREATION
• Meticulously organised and structured the collected data into a well-defined dataset.
• The dataset became a valuable resource for analytical and research tasks within the eCommerce domain.
Internal Voice Calling Agent – Enterprise Use
https://capvox.ai/I implemented large language model (LLM)-driven voice dialogue pipelines using OpenAI (ChatGPT), integrating speech-to-text and text-to-speech flows to support natural, real-time conversations. The solution included Twilio Call SID–based routing, session and state management, dual-channel audio handling, and intelligent fallback logic to ensure call continuity.
Additionally, I developed robust logging and monitoring mechanisms, including full call transcription, retry handling, and call-drop detection, to ensure reliability and traceability for internal operations. The system was containerised and deployed for internal use, supporting scalable call volumes, improving lead qualification efficiency, and reducing manual agent workload.
Customer-facing AI Calling & Messaging Platform
• Delivered complex workflows such as SMS follow-ups, voice calls, calendar booking, and driving lead conversion across sales and support funnels.
• Developed OTP-based verification, delivery status tracking, webhook ingestion, and contact segmentation logic.
• Built large language model (LLM)-powered calling workflows that handled call-to-text parsing, agent-style answering, user sentiment tagging, and data logging.
• Deployed CI/CD pipelines with Docker and Amazon ECS, and ensured system resilience through background tasks managed via Celery and Redis.
Education
Diploma in Information Technology
Gujarat Technological University - Gujarat, India
Skills
Libraries/APIs
OpenAI API, Beautiful Soup, React, Pandas, NumPy, REST APIs, Flask API, PostgREST, Django ORM, Xero API
Tools
AWS Command Line Interface (CLI), Celery, RingCentral, Git, AWS IAM, Pytest, Claude
Languages
Python, JavaScript, GraphQL, TypeScript, SQL
Frameworks
Django, Flask, Scrapy, Next.js, Flux
Paradigms
B2C, Asynchronous Programming, Microservices Architecture, Automation
Platforms
Amazon Web Services (AWS), Twilio, Docker, Heroku, Django CMS
Storage
Amazon S3 (AWS S3), PostgreSQL, MongoDB, MySQL, Google Cloud, Redis
Industry Expertise
Web Design
Other
FastAPI, LangChain, Image Processing, Large Language Models (LLMs), Web Scraping, Web Crawlers, Websites, Web Development, Front-end, Generative Artificial Intelligence (GenAI), OpenAI, Retrieval-augmented Generation (RAG), Artificial Intelligence (AI), Natural Language Processing (NLP), API Gateways, Webhooks, API Integration, Software, Image Generation, Gemini, Machine Learning
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