Yash Soni
Senior Full Stack Architect who builds AI-powered scalable systems.
Mumbai, India · Remote Worldwide
Senior Full Stack Architect specializing in AI-powered SaaS solutions with 9+ years shipping production systems across React, Node.js, .NET, Python. Led a COE of 10+ engineers. Helped build the GenAI platform behind DecoverAI, deployed in US law firms, which raised $2M+ in seed funding.
Work Experience
Independent
AI Architect · Senior Full Stack Architect & AI Developer · 2022 - Present · Mumbai · Remote for US, UK and EU clients
I build AI and SaaS products for funded startups and run my own product line.
- DecoverAI: US legal AI. Built the infrastructure and GenAI platform, now used in large US law firms. ($2M+ seed raised)
- United Medical: German healthcare SaaS for hospital-doctor contracts. (Retainer since Aug 2023)
- Speakology AI: AI avatar language app for UK schools, bootstrapped. (10+ schools in 3 mo)
- Water Advisor AI: Water-quality advisor for a US client, MVP to phase 2. (Mar 2026 to now)
- Mappie AI: AI project manager built for Nindo Solutions. (60-70% less grooming)
- Vectro AI: Sales intelligence from calls, emails and Slack. (Vector search)
- BrandGen (Live): On-brand AI images from your guidelines. getbrandgen.com
- TriageGrid (GA): AI email triage for law firms on Microsoft 365. triagegrid.com
- Convo AI (Live): AI voice receptionist for hotels, clinics and more. heyyconvo.com
- CC Logins (Open source): Quota view and account switching for Claude Code. Rust / Tauri
“Yash is one of the hardest-working and meticulous engineers I have encountered. We worked closely together on DecoverAI, where he helped build the infrastructure and Generative AI platform that is now deployed in large law firms throughout the United States. He helped lead a team, build critical pieces, and test and deploy them. We eventually raised 2M+ in funding with the help of his efforts. I would certainly recommend him for any future projects.” Ravi Tandon, CEO & Co-Founder, DecoverAI
LTI Mindtree
Senior Software Engineer → Specialist, Software Engineering · Jun 2021 - Nov 2023 · Mumbai
Led a 10+ engineer DevOps Centre of Excellence building internal platforms.
- Infinity DevOps: a DevOps platform across AWS and GCP
- Infinity AIWatch: an APM product with AI-driven dashboards (OpenAI, Python)
- Wrapper services around AWS so engineers could ship without platform knowledge
- MVPs and POCs across multiple hyperscalers
Azentio Software
Senior Software Engineer, ERP Product Development · May 2020 - Jun 2021 · Navi Mumbai
Led the team building Enrico, a SaaS audit application.
- Started with a POC to earn market trust, then scaled Enrico into multi-tenant SaaS
- Architected subscriptions, company setup and attribute-based access control
Abacus Infosystems
Software Developer · Dec 2018 - Apr 2020 · Mumbai
Web apps and APIs on .NET Core and Angular microservices for global clients.
- First role managing engineers and owning effort estimates
Threepin Infotech
Software Developer · Jan 2017 - Dec 2018 · Navi Mumbai
Grew from .NET desktop apps to full stack, and worked on R&D for an on-premise deployment product.
“Yash has been a pleasure to work with over the past several months. He is knowledgeable, responsive, and willing to discuss ideas and recommend technical solutions rather than simply taking instructions. [...] I appreciate that he explains his reasoning, challenges assumptions when appropriate, and focuses on creating a scalable solution instead of quick fixes.” Terry Carson, Client, Water Advisor AI
“I have collaborated with Yash on several private projects. He excels in his work, is professional in demeanor, and extremely reliable. Highly recommended.” Naim B., Managing Director, Medical SaaS
“Worked with Yash. He is very ambitious and has good problem solving skills and attitude with effective team management skills. Also he is very good at designing solutions.” Saurabh D., Senior Software Engineer
Case studies
Projects
DecoverAI
AI-powered legal document management & query platform for US law firms. Built infrastructure and GenAI platform that helped secure $2M+ seed funding from Bay Area VCs. 13 months of development.
React, Node.js, Python, OpenAI, Pinecone, MongoDB
Speakology AI
AI Avatar language learning app for UK schools. Bootstrapped from zero to 10+ school subscriptions in just 3 months. No funding required.
React, Node.js, MongoDB, OpenAI, Prompt Engineering
United Medical
Hospital-doctor contract management application for a German healthcare startup. Active retainer since Aug 2023.
Next.js, TypeScript, PostgreSQL, Redis
Mappie AI
Transforms messy requirements into dev-ready user stories. AI-powered project management built for Nindo Solutions, with a 60-70% reduction in backlog grooming time (reported figure).
React, TypeScript, OpenAI, Node.js
Vectro AI
Sales intelligence platform providing actionable insights from sales calls, emails & Slack communications using AI and vector search.
Node.js, OpenAI, Vector DB, TypeScript
Infinity AIWatch
Application Performance Monitoring product collecting data from multiple monitoring tools into unified dashboards with AI-driven insights.
React, Python, OpenAI, PostgreSQL, InfluxDB, Prometheus
This Portfolio
Interactive CV with an AI chatbot powered by Gemini 2.5 Flash. Built with React 19, TypeScript and Tailwind CSS v4, and deployed on Vercel.
React 19, TypeScript, Tailwind, Gemini API, Vercel
BrandGen
Brand-aligned image generator. Supply brand context via image or text guidelines, describe what you want, and the app generates images matching your brand: colors, style, and composition.
Next.js, Gemini, PostgreSQL, Supabase, TypeScript
Convo AI
AI voice receptionist that answers calls around the clock, schedules appointments and manages bookings. Built for hotels, restaurants, clinics, real estate and finance. Live at heyyconvo.com.
Next.js, Vapi, Deepgram, GPT-4o-mini, Google Calendar
TriageGrid
AI email triage for US and UK law firms on Microsoft 365. Classifies inbound Outlook email, flags court deadlines and runs action chains so attorneys do not hand-sort their inboxes.
Microsoft Graph, Claude, OpenAI, PostgreSQL, Slack, Teams
CC Logins
Tray app that shows Claude Code quota across multiple subscriptions and switches the active account. My first open-source product, MIT licensed. Adapted from MIT-licensed code by Onur Cetinkol.
Rust, Tauri, TypeScript, SQLite
github.com/yashsoni369/cc-logins
AI Tutor
AI speaking tutor for schools and institutes. A teacher assigns a timed session, the student practises with a video avatar, and both see a basic assessment. Proof of concept.
Next.js, PostgreSQL, Drizzle, OpenAI, Streaming Avatar
Sentence Transformer
Local and AWS Sagemaker sentence transformers in Python. HuggingFace integration for semantic search and embeddings.
Python, HuggingFace, AWS Sagemaker, LLM, Embeddings
github.com/yashsoni369/py-sentence-transformer
Celery Microservice
Python microservice with shared Celery for distributed task processing. Async job queues and worker patterns.
Python, Celery, Redis, Microservices, Docker
github.com/yashsoni369/python-celery-ms
Tech Stack
- AI/ML: OpenAI, Claude, Qdrant, pgVector, RAG, Text2SQL, Prompt Engineering, AWS Sagemaker
- Frontend: React, Angular, Next.js, TypeScript, Tailwind CSS
- Backend: Node.js, .NET Core, Python, FastAPI, NestJS, Express
- Databases: MongoDB, PostgreSQL, MySQL, MSSQL, Redis, Elasticsearch, InfluxDB, Supabase
- Cloud & DevOps: AWS (EC2, EKS, Sagemaker), Azure, GCP, Docker, Kubernetes, Nginx, CI/CD
- Platforms & Serverless: Vercel (Functions, Blob), Cloudflare R2, Cloudflare Workers, Cloudflare Pages, Render, Railway, Neon, Upstash, AWS S3, AWS Lambda
- Tools: Git, JIRA, Azure DevOps, Postman, Kafka, Jenkins
Education
- Master of Computer Applications (MCA), Nehru P.G. College · CSMU, Kanpur, 2021
- Bachelor of Commerce (BCom), University of Mumbai, 2017
Certifications
- CKAD: Certified Kubernetes Application Developer, The Linux Foundation
- Microsoft Certified: Azure Fundamentals (AZ-900), Microsoft
- AWS Certified Cloud Practitioner, Amazon Web Services
Frequently Asked Questions
Who is Yash Soni?
Yash Soni is an independent AI architect and senior full stack architect based in Mumbai, India. He has built production software since January 2017, more than 9 years, and now works with funded startups in the US, UK and Germany on AI and SaaS products while shipping his own.
What does Yash Soni build?
RAG and document-search platforms, AI voice agents and multi-tenant SaaS products. Examples include the GenAI platform behind DecoverAI, used in US law firms, Speakology, an AI avatar language app for UK schools, and his own products BrandGen, TriageGrid, Convo AI and CC Logins.
Is Yash available for freelance or contract work?
Yes. Yash takes freelance, contract and retainer work with clients worldwide and works remotely from Mumbai. The fastest way to start is to book a discovery call from the contact section of this site, or to email yash.soni2737@gmail.com.
Which technologies does Yash work with?
For applications: Next.js, React, Angular, Node.js, Python and .NET Core. For AI: OpenAI, Gemini and Claude models, RAG pipelines, and vector databases such as Pinecone, Qdrant and pgVector. For infrastructure: AWS, GCP, Azure, Docker and Kubernetes.
Which industries and clients has Yash worked with?
Legal tech, healthcare, education and sales software. Clients include DecoverAI, a US legal AI company that raised $2M+ in seed funding, United Medical in Germany, Speakology in the UK and Nindo Solutions, for whom he built Mappie AI. Earlier he led a DevOps team of 10+ engineers at LTI Mindtree.
Where is Yash based and how does he work?
Yash is based in Mumbai, India, and works remotely with teams in the US, UK and Europe. He is Top Rated on Upwork with a 100% job success score across 19 jobs and 757 hours, and usually owns a project end to end, from architecture to deployment.
Let's Build Together
Available for freelance and contract work worldwide. I build scalable AI & SaaS solutions, from architecture to deployment.