Suman Rajak

Software Engineer

Bengaluru, Karnataka, India4 yrs experience

AI EnabledAI ML Practitioner

Key Highlights

Led development of a GenAI content tagging system.
Delivered an AR-based product configurator for Daikin.
Expert in building intelligent systems with LLMs.

Stackforce AI infers this person is a Full Stack Engineer specializing in Generative AI and Augmented Reality solutions.

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Skills

Core Skills

Full Stack DevelopmentGenerative AiAugmented RealityFront-end Development

Other Skills

ARAWSAWS BedrockAdobe LightroomAdobe PhotoshopAdobe Premiere ProAgile DevelopmentAmazon Web Services (AWS)Android DevelopmentBootstrapC (Programming Language)C++Cascading Style Sheets (CSS)Data StructuresDatabase Management System (DBMS)

About

🚀 Full Stack Engineer & AI Engineer with 4+ years of experience designing and deploying scalable applications and cutting-edge GenAI solutions. My work spans frontend excellence with React/Next.js and backend mastery with FastAPI, Node.js, and Nest.js, all powered by robust AWS cloud architecture. 🧠 Currently focused on building intelligent systems using: - Retrieval-Augmented Generation (RAG) - LLMs via AWS Bedrock & HuggingFace - LangChain, OpenSearch, and vector DBs - Prompt Engineering, Tokenization, and Embeddings 💼 Recent Impact: - Led development of a GenAI-based content tagging system using FastAPI +AWS Bedrock + OpenSearch that improved tagging accuracy by 70%. - Delivered an AR-based AI product configurator for Daikin, integrating deep learning & real-time interaction. - Architected a scalable, low-latency transactional backend for a client using Nest.js and MSSQL. 📌 Now exploring: - Multimodal AI (Audio + Video + Text) - Fine-tuning LLMs for domain-specific tasks - Speech processing and real-time voice AI pipelines 🌱 Always learning, building, and sharing. Let’s connect!

Experience

4 yrs

Total Experience

2 yrs 2 mos

Average Tenure

1 yr 10 mos

Current Experience

Fractal

Software Engineer

Aug 2024 – Present · 1 yr 10 mos · Bengaluru, Karnataka, India

Led the full-stack development and solution architecture of a Generative AI content tagging system for a major pharmaceutical client, delivering a scalable and secure platform using AWS services.
Engineered and optimized a high-performance backend using FastAPI (Python) and Nest.js, which reduced latency by 30% and improved data processing for a high-throughput transaction service.
Implemented advanced AI features, including a RAG-based system and embedding-based similarity search (using OpenText Vector DB and OpenSearch), to significantly improve content accuracy and discoverability.
Orchestrated a serverless data processing pipeline on AWS using Lambda and Bedrock, and designed robust data schemas for DynamoDB and OpenText Vector DB, ensuring efficient data management.
Provided technical leadership to a team of developers, overseeing the development of a responsive React application for document preview and contributing hands-on code to critical modules.
Designed and implemented core architectural components like secure authentication with Amazon Cognito and scalable database schemas, showcasing expertise in end-to-end solutioning.

FastAPINest.jsAWSOpenSearchRAGReact+2

Softway

2 roles

Software Engineer

Jun 2022 – Aug 2024 · 2 yrs 2 mos

Engineered and deployed enterprise-grade applications for key clients using a modern tech stack including Node.js, React, and AWS, taking ownership of complex projects in AI, AR, and IoT.
Led the full-stack development of a physics-based AR product configurator for a major client (Daikin Showroom), integrating deep learning models (selfie segmentation, Movenet) and IoT data to create an immersive, real-time user experience.
Contributed to a healthcare computer vision tool for Houston Methodist, focusing on frontend development and model integration to improve user interfaces for medical professionals.
Developed a scalable analytics tool (Culture Counter) by building a serverless backend with AWS AppSync, Lambda, and DynamoDB, and designing reusable React components for the frontend.

Node.jsReactAWSDeep LearningARFull Stack Development+1

Full Stack Engineer Intern

Jun 2021 – May 2022 · 11 mos

Infowareindia

Full-stack Developer Intern

Mar 2021 – May 2021 · 2 mos · India

Developed and contributed to production-grade features for full-stack applications, utilizing React and Node.js, and ensuring stable releases were deployed on schedule.
Assisted in API design and database integration for backend services, gaining hands-on experience in the software development lifecycle.

ReactNode.jsFull Stack Development