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Sumith S.
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Sumith S.

AI ML Engineer | LLM, NLP | LangChain, Generative AI, RAG, CV |8+ year

𝐁𝐚𝐜𝐤𝐞𝐝 𝐛𝐲 𝟖+ 𝐲𝐞𝐚𝐫𝐬 𝐢𝐧 𝐀𝐈 𝐚𝐧𝐝 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠, 𝐈 𝐡𝐚𝐯𝐞 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 𝟐𝟓+ 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞-𝐬𝐜𝐚𝐥𝐞, 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐫𝐞𝐚𝐝𝐲 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐜𝐨𝐧𝐬𝐢𝐬𝐭𝐞𝐧𝐭𝐥𝐲 𝐚𝐜𝐡𝐢𝐞𝐯𝐢𝐧𝐠 𝐨𝐯𝐞𝐫 𝟗𝟎% 𝐚𝐜𝐜𝐮𝐫𝐚𝐜𝐲 𝐚𝐧𝐝 𝐫𝐞𝐝𝐮𝐜𝐢𝐧𝐠 𝐨𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐜𝐨𝐬𝐭𝐬 𝐛𝐲 𝐮𝐩 𝐭𝐨 𝟒𝟎% 𝐚𝐜𝐫𝐨𝐬𝐬 𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬. My expertise includes predictive modeling, deep learning, NLP, computer vision, and full-cycle MLOps. I also specialize in advanced AI domains such as Generative AI, LLMs, RAG architectures, AI agents, prompt engineering, vector databases, and cloud-native AI deployments, driving scalable, high-impact business results. 𝐑𝐞𝐜𝐞𝐧𝐭 𝐂𝐥𝐢𝐞𝐧𝐭 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐭𝐨𝐫𝐢𝐞𝐬: - Built an LLM-powered healthcare assistant achieving 94% diagnostic accuracy while reducing physician workload by almost 50%. - Developed a RAG-based financial analysis system processing 100K+ documents daily with 96% precision. - Created an educational NLP platform, improving student engagement by 65% through personalized content delivery. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧: 𝐋𝐋𝐌 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Fine-tuning and optimizing GPT-4, LLaMA2, T5, and Mistral models with advanced prompt engineering for high-precision outputs. 𝐑𝐀𝐆 & 𝐊𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: Designing Retrieval-Augmented Generation pipelines using LangChain, FAISS, and Pinecone for intelligent, context-aware document retrieval and analysis. 𝐀𝐮𝐭𝐨𝐧𝐨𝐦𝐨𝐮𝐬 𝐀𝐠𝐞𝐧𝐭𝐬: Developing goal-driven, memory-enabled agents with structured decision-making and adaptive reasoning capabilities. 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧-𝐆𝐫𝐚𝐝𝐞 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: Implementing scalable solutions on AWS, FastAPI, and SageMaker with robust MLOps pipelines, ensuring high availability and 99.9% uptime. 𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐰𝐢𝐭𝐡 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐀𝐈: 𝐈 𝐨𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧𝐚𝐥𝐢𝐳𝐞 𝐀𝐈 𝐫𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐢𝐧𝐭𝐨 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐭𝐡𝐚𝐭 𝐜𝐫𝐞𝐚𝐭𝐞 𝐜𝐨𝐦𝐩𝐞𝐭𝐢𝐭𝐢𝐯𝐞 𝐚𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞𝐬: • 𝐓𝐫𝐚𝐯𝐞𝐥: Scalable booking systems with resilient pricing logic • 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞: AI-powered diagnostic assistance tools • 𝐅𝐢𝐧𝐚𝐧𝐜𝐞: Intelligent document processing and workflow automation • 𝐄𝐝𝐮𝐜𝐚𝐭𝐢𝐨𝐧: Adaptive learning platforms driven by data • 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞: Conversion-focused recommendation engines • 𝐋𝐞𝐠𝐚𝐥: Automated contract analysis and insights

🇮🇳Ludhiana, India$15/hr100% JSS4.92 (18)Since May 2018

Earnings and projects

MRR
$1k

Last 6 months ÷ 6

World#47,728 / 412k
🇮🇳Country#5,278 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $6.1k

Total earnings
$345k

Billed in all: $354k

World#5,979 / 412k
🇮🇳Country#922 / 45.9k
Per project
$13k

$867 in the last 6 months

World#11,596 / 412k
🇮🇳Country#1,209 / 45.9k
Projects, last 6 months
7
71% fixed29% hourly
World#28,826 / 412k
🇮🇳Country#3,580 / 45.9k
Projects in all
27

Across 30 contracts

57% fixed43% hourly
World#106,301 / 412k
🇮🇳Country#15,916 / 45.9k

Earnings, last 30 days

$354kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$345k$350k$355k$360kOct 8Oct 23Nov 7

Skill rankings: Top 10% in Model Tuning

Ranked by MRR among everyone on Upwork with the skill.

  1. #11Model Tuning111 freelancers · 🇮🇳 #2Top 10%
  2. #32Hugging Face300 freelancers · 🇮🇳 #9Top 11%
  3. #45OpenAPI272 freelancers · 🇮🇳 #20Top 17%
  4. #85AWS Application690 freelancers · 🇮🇳 #27Top 12%
  5. #241AI Bot1,765 freelancers · 🇮🇳 #66Top 14%
  6. #303Deep Learning2,743 freelancers · 🇮🇳 #51Top 11%
  7. #339Natural Language Processing2,688 freelancers · 🇮🇳 #72Top 13%
  8. #554Large Language Model2,726 freelancers · 🇮🇳 #114Top 20%