I am a senior backend engineer with 15+ years of experience designing and building scalable distributed systems. I specialize in Go, AWS, Kafka, and DynamoDB, and I thrive when collaborating cross-functionally to deliver impactful conversational experiences, always keeping product thinking and data-driven optimization at the forefront. My expertise spans modern AI frameworks, scalable microservices architectures, and real-time data processing. I have delivered solutions in B2B e-commerce, healthcare, and security, with a strong emphasis on regulatory compliance and data privacy. I also enjoy mentoring junior engineers and leading code reviews to lift team capabilities.

RUPAK KUMAR

PRO

I am a senior backend engineer with 15+ years of experience designing and building scalable distributed systems. I specialize in Go, AWS, Kafka, and DynamoDB, and I thrive when collaborating cross-functionally to deliver impactful conversational experiences, always keeping product thinking and data-driven optimization at the forefront. My expertise spans modern AI frameworks, scalable microservices architectures, and real-time data processing. I have delivered solutions in B2B e-commerce, healthcare, and security, with a strong emphasis on regulatory compliance and data privacy. I also enjoy mentoring junior engineers and leading code reviews to lift team capabilities.

Available to hire

I am a senior backend engineer with 15+ years of experience designing and building scalable distributed systems. I specialize in Go, AWS, Kafka, and DynamoDB, and I thrive when collaborating cross-functionally to deliver impactful conversational experiences, always keeping product thinking and data-driven optimization at the forefront.

My expertise spans modern AI frameworks, scalable microservices architectures, and real-time data processing. I have delivered solutions in B2B e-commerce, healthcare, and security, with a strong emphasis on regulatory compliance and data privacy. I also enjoy mentoring junior engineers and leading code reviews to lift team capabilities.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Developer / Lead Engineer / AI Solutions Architect at Turing
September 1, 2022 - November 5, 2025
Led the architecture and delivery of a real-time monitoring platform to detect data pipeline failures and improve forecasting accuracy, reducing pipeline failures to 30-40%. Built end-to-end data orchestration from multiple sources to Azure Data Lake (Bronze, Silver, Gold) using Azure Data Factory and Databricks; engineered cleansing and feature engineering; implemented regression models (CatBoost, XGBoost, LightGBM) in Databricks notebooks for forecasting and outlier detection. Spearheaded the development of a HIPAA-compliant B2B e-commerce platform with high concurrency, delivering improvements in engagement, churn prediction, visual search, and inventory forecasting.
AI Solutions Architect at Turing
September 1, 2022 - Present
Architected a monitoring platform for an FMCG client to detect data pipeline failures and enable accurate forecasting, reducing pipeline failures to 30-40%. Leveraged Azure Data Factory and Databricks for data orchestration from multiple sources to Azure Data Lake with Bronze, Silver, Gold layers, including cleansing and engineering. Implemented regressor models (CatBoost, XGBoost, LightGBM) in Databricks notebooks for forecasting and outlier detection. Led architecture and implementation of a HIPAA-compliant B2B e-commerce platform for a major healthcare provider, optimizing system performance for high concurrency traffic resulting in a 20% increase in user engagement with churn prediction, visual search and outlier detection and 15% increase in conversion rates using recommendations and inventory forecasting within the first quarter across Korea, Malaysia, and Indonesia. Real-time Meeting Agent and R&D initiatives including real-time speech-to-text via Whisper, LLM-powered insight ge
Engineering Manager at Rainpay India Pvt. Ltd.
July 31, 2022 - July 31, 2022
Led the development of a scalable Early Wage Access (EWA) platform using Golang microservices on AWS, leveraging DynamoDB for high-read workloads and Kafka for event streaming, resulting in a 30% reduction in latency and handling 10K+ daily transactions. Managed third-party integrations for credit checks and payments; applied NLP techniques (classification, NER, sentiment) for risk detection in user SMS messages; implemented fraud detection and real-time risk behavior analysis.
Engineering Manager at Rainpay India Pvt. Ltd.
July 1, 2022 - October 19, 2025
Built and managed the Early Wage Access (EWA) platform, designing scalable Golang microservices with Docker and Kubernetes. Integrated PostgreSQL for transactional data and DynamoDB for high-read operations. Managed third-party integrations for credit checks (Bureau) and payments (PayU/Cashfree). Achieved 10K+ daily transactions and 30% latency reduction through Kubernetes optimization. Applied NLP techniques (OpenNLP, spaCy) on user SMS for risk detection and real-time risk behavior analysis.

Education

B.E. at MS Ramaiah Institute of Technology, Bangalore
January 11, 2030 - October 19, 2025

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Retail, Professional Services, Other
    Real Time Meeting Agent

    Engineered a real-time agent that actively assists users during live meetings by capturing, analyzing, and augmenting interactions with actionable insights. Real-time speech-to-text transcription via Faster Whisper, LLM-powered insight generation for contextual augmentation, OCR-based screenshot parsing for visual cue extraction.
    Tech Stack: Python, Golang, Java, React, OpenAI APIs, Llama, Whisper, OpenCV