nirmal chand dey

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Full-time Contractor & Consultant

ScrambleID

Apr 2025 - Current (1 year 7 months)

Architected and implemented passwordless authentication platform eliminating static credentials across enterprise systems. Developed secure REST APIs integrating device-based biometrics, behavioral analysis, and zero-knowledge architecture. Built multi-channel authentication solutions supporting digital, physical access, IVR, and peer-to-peer verification flows. Designed scalable Node.js microservices for real-time identity verification and distributed session management. Engineered automated authentication for AI agents and bot accounts with API-driven authorization.

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Principal Software Engineer & Contractor

Web3Firewall

Sep 2024 - Dec 2024 (4 months)

Led development of AI-powered blockchain security SIEM + SOAR platform for pre-signature transaction risk analysis. Architected scalable Node.js microservices for transaction simulation, behavior analysis, and real-time anomaly detection. Integrated Python-based machine learning pipelines detecting exploits, AML/KYC violations, and policy breaches pre-execution. Built customizable compliance policy engines ensuring OFAC, MICA, and FCA regulatory requirements. Developed real-time address risk scoring with sanctions screening and fraud intelligence integration. Established comprehensive security standards, code quality protocols, and testing frameworks.

Full-time Contractor & Solutions Engineer

AptEdge

Jul 2024 - Sep 2024 (3 months)

Built customer-facing REST APIs and semantic integration solutions using Node.js and Express.js. Implemented data processing pipelines with Apache Airflow for automated knowledge base ingestion and updates. Developed predictive analytics features improving first contact resolution and CSAT scores. Created contextual in-product self-service support features enhancing user assistance.

Senior Software Engineer

HCL Software

Mar 2020 - Jun 2023 (3 years 4 months)

Spearheaded development and deployment of enterprise data analytics platform using Python, Dagster, Pandas, SQL Server (25% efficiency improvement). Refactored infrastructure monitoring codebase improving code readability, maintainability by 30% and reducing feature implementation time. Integrated APIs (OpenTelemetry, ELK, BigFix, Qualys, Tenable, ServiceNow) streamlining cybersecurity workflows and reducing incident response by 15%. Developed PoCs and demos for web, analytics, and security solutions driving 40% project adoption increase. Optimized full-stack performance with microservices and React/Node.js achieving 25% reduction in page load times. Deployed machine learning models for predictive analytics improving strategic decision-maki

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Full Stack Developer

HappyShappy

Feb 2017 - Feb 2020 (3 years 1 month)

Delivered rapid feature development in fast-paced startup environment, boosting delivery rate by 20%. Executed REST API development with Node.js/Express adhering to best practices; improved response times by 30%. Migrated web application from PHP (Zend Framework) to Python (Django), enhancing codebase maintainability and efficiency. Designed and implemented asynchronous image compression microservice using Python, Celery, AWS SQS/S3 (15% storage cost reduction). Deployed NGINX load balancing and Gunicorn WSGI servers ensuring scalable, reliable infrastructure. Developed React and Vue.js client-side applications, increasing user engagement by 35%. Built web scraping microservices using BeautifulSoup and Scrapy for content aggregation. Manage

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Web Developer

B2B Info Solutions Pvt Ltd

Oct 2014 - Nov 2016 (2 years 2 months)

Developed web applications and websites in ASP.NET Webforms, improving page load performance by 15%. Built secure and performant REST APIs in .NET reducing API error rates by 20%. Developed school management application using ASP.NET MVC achieving 30% increase in user adoption. Automated internal business processes with Python scripting and data manipulation tools. Created web scraping scripts using BeautifulSoup and requests libraries for data extraction and aggregation.

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nirmal chand dey

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