Vikas Ojha
Verified Expert in Engineering
Software Developer
Gurugram, Haryana, India
Toptal member since September 5, 2025
Vikas is a Python architect and forward-deployed AI engineer with 19 years of experience building scalable, production-grade systems. Embedded with Gartner, he builds AskGartner, their flagship GenAI product, delivering LangGraph agents, RAG pipelines, guardrails, and multi-model routing. He works directly with stakeholders and executives to turn business problems into shipped AI solutions, backed by deep expertise in cloud and DevOps. Vikas is a Claude Certified Architect.
Portfolio
Experience
- Software Development - 18 years
- Python - 15 years
- APIs - 12 years
- Amazon Web Services (AWS) - 10 years
- Django - 10 years
- Cloud - 10 years
- Docker - 8 years
- FastAPI - 8 years
Work Experience
Back-end Engineer
Gartner
- Architected a LangGraph ReAct agent orchestrator for AskGartner, Gartner's flagship GenAI product, routing queries across [N] tools and retrieval sources for [N+] users.
- Built retrieval pipelines over Solr and OpenSearch that grounded LLM responses in Gartner's proprietary research corpus.
- Implemented pre-query guardrails that screened every request before it reached the LLM, blocking policy-violating queries and reducing unsafe outputs.
- Designed model-specific prompt registries that versioned and tuned prompts per LLM, cutting prompt iteration time.
- Architected secure user document upload using pgvector with per-user data isolation, letting users query their own documents alongside Gartner research.
- Partnered directly with product leadership and business stakeholders to turn requirements into shipped AI features, delivering releases from prototype to production.
Senior Back-end Developer
Self-employed
- Worked with clients directly on all major freelancing platforms.
- Maintained a top-ranked freelance position on all platforms by delivering high-quality work.
- Worked directly with clients on countless projects from beginning to end on every part of the cycle.
Automation Team Lead
Metacube
- Started working as a Manual QA, but took the initiative of Automation Testing and was a key resource to grow the automation team to eight members.
- Worked with Fortune 500 accounts directly, Cadence, Appirio, JP Morgan & Chase, Procter & Gamble, Nikon, Merkle, Enterasys, Baskin-Robbins, and many more.
- Worked on setting up a scalable infrastructure for automation projects.
Automation Engineer
CoForge
- Identified test scenarios, estimated test effort, and created test plans. Maintained regression test suites and other testing scenarios.
- Won the NIIT Mercury award for analytical strength in identifying critical scenarios and taking initiatives and ownership.
- Created key metrics and audit processes to ensure established goals were met.
Project History
Rent Savy City
https://rentsavycity.comRentSavyCity is a web platform that streamlines the process of finding and managing rental properties in urban areas. I was responsible for designing and implementing the back end, using Python to improve scalability and performance.
KEY RESPONSIBILITIES
• Architecture and Design: Led the creation of the application’s back-end architecture, ensuring it was robust and scalable.
• API Development: Developed RESTful APIs for efficient data exchange between the front end and back end.
• Data Modeling: Designed database schemas and optimized data retrieval for fast, efficient access.
• Security: Implemented secure authentication, authorization, and data encryption measures.
• Performance Optimization: Analyzed and addressed performance bottlenecks to ensure smooth operation under high traffic.
• CI/CD Setup: Built a continuous integration/deployment pipeline for efficient development and deployment cycles.
The result was a secure, fast, and scalable platform that enhances the rental experience for both tenants and property owners.
Education
Bachelor's Degree in Computer Science and Engineering
University of Rajasthan - Jaipur
Certifications
Claude Certified Architect – Foundations
Anthropic
Microsoft Certified: Azure AI Fundamentals
Microsoft
Online Freelance Agency Skill Certification - Python Development
An Online Freelance Agency
Skills
Libraries/APIs
Requests, REST APIs, API Development, Node.js, React, QuickBooks API, Pandas, SQLAlchemy, HubSpot API, Salesforce API
Tools
PyCharm, Google Sheets, Claude Code, Claude, Slack, Claude Agent SDK
Languages
Python, SQL, JavaScript, CSS, HTML, Google Apps Script, Java, Python 2, Python 3
Frameworks
Selenium, Django, Spring Boot
Paradigms
Automation, ETL, DevOps, Model Context Protocol (MCP)
Platforms
Docker, Amazon Web Services (AWS), Web, Twilio, Shopify, Kubernetes, Salesforce, Azure, HubSpot
Storage
Database Management, PostgreSQL, Data Pipelines, Databases, SQL Stored Procedures, Database Architecture, Microsoft SQL Server, NoSQL
Other
Software Development, Scraping, FastAPI, APIs, Architecture, Back-end, CI/CD Pipelines, API Integration, IT, Programming, Bots, Back-end Development, Web Scraping, Website Data Scraping, Error Logging, Code Review, Technical Leadership, Software Architecture, Integration, Third-party APIs, Third-party Integration, Cloud, Data Engineering, Scalability, Full-stack, Full-stack Development, Payment Processing, CRM APIs, WebSockets, Proxies, Proxy Servers, PDF Scraping, Dash, Natural Language Processing (NLP), User Interface (UI), User Experience (UX), Large Language Models (LLMs), Amazon Bedrock AgentCore, AI Integration, Data Scraping, Artificial Intelligence (AI), Cloud Computing, Data Science, Information Science, Machine Learning, Data Security, AI System Design, Generative AI Architecture, Multi-agent Orchestration
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