Headline

Backend Engineer | Python, Node.js, FastAPI, NestJS | Azure, Kubernetes (AKS) | RAG & AI-Powered Applications

About

Backend Engineer with 4.7+ years of experience building scalable APIs, distributed systems, enterprise SaaS platforms, and AI-powered search solutions using Node.js, NestJS, TypeScript, and Python. At BigDev, I have led the development of enterprise compliance platforms for global clients including PwC Luxembourg, owning system design, backend development, cloud deployments, CI/CD pipelines, and production operations. I have also built RAG-based retrieval systems and semantic search solutions for regulatory platforms, reducing manual document processing by over 60%. Experienced with Azure, AKS, Docker, PostgreSQL, Azure OpenAI, LangChain, Pinecone, and Weaviate. Strong background in cloud-native architectures, enterprise authentication, DevOps, and AI-powered applications. Currently focused on AI Engineering, LLM applications, agentic workflows, and retrieval systems while continuing to build scalable backend platforms. Open to Backend Engineering, Platform Engineering, AI Engineering, and Forward Deployed Engineer opportunities.

Location

Goa

AI stack

antigravity

claude

cursor

langchain

langfuse

langgraph

Work experience

Senior Software Engineer at BigDev Technologies, Nov 2023 - Present · 2 yrs 11 mos, Goa, India · Hybrid, Led the architecture, design, and delivery of enterprise SaaS and AI-powered compliance platforms for PwC Luxembourg and the Isle of Man FSA, ensuring scalable, production-ready solutions. Owned the end-to-end architecture of the Compliance Control Hub, driving technical design, feature planning, production deployments, and client migration. Built AI-powered RAG solutions using Azure OpenAI, LangChain, Pinecone, and Weaviate, reducing regulatory document search time by 60%+. Developed scalable microservices and REST APIs using NestJS, TypeScript, and MySQL, improving backend performance through asynchronous processing, caching, and database optimization. Designed secure enterprise authentication using Azure AD, OAuth 2.0, JWT, and RBAC for multi-tenant applications. Led Azure cloud infrastructure, provisioning AKS, Azure Blob Storage, NGINX Ingress, SSL/TLS, and automated Azure DevOps CI/CD pipelines. Implemented production monitoring with Prometheus, Grafana, centralized logging, and alerting, improving reliability and reducing incident resolution time. Designed SaaS subscription and billing architecture by integrating Stripe, Razorpay, and PayU, supporting recurring billing, plan upgrades, webhook automation, and subscription lifecycle management. Contributed to a Microsoft Commercial Marketplace (Azure Marketplace) SaaS offering, enabling enterprise customers to purchase and manage subscriptions through Azure. Led a team of 4 engineers, mentoring developers, conducting code reviews, and driving architectural decisions. Collaborated with clients and cross-functional teams to deliver high-quality enterprise solutions on schedule.

Software Developer at BigDev Technologies, Nov 2022 - Nov 2023 · 1 yr 1 mo, Goa, India · Hybrid, Delivered core backend features for enterprise SaaS applications using NestJS, TypeScript, and MySQL, contributing to successful releases across multiple client engagements. Integrated third-party services including Stripe, Razorpay, PayU, email providers, and external APIs, enabling secure payment processing, notifications, and business workflow automation. Improved application quality by developing reusable modules, writing unit/integration tests, resolving production issues, and reducing recurring defects through proactive bug fixes. Collaborated with frontend, QA, and product teams in Agile sprints to deliver customer-facing features on time while consistently meeting performance and quality standards.

Software Programmer at National Informatics Centre, MeitY, Jun 2022 - Oct 2022 · 5 mos, Goa, India, Worked on NGDRS (National Generic Document Registration System) — a government land records platform used across India. Developed the NIL Encumbrance module enabling digital land record verification within government systems, reducing dependency on manual verification processes. Diagnosed and resolved production issues on NICSI cloud-hosted applications and built reporting modules using CakePHP and PostgreSQL to support operational and audit workflows.

Full-stack Developer at Gyrono Tech, Aug 2021 - May 2022 · 10 mos, Verna, Goa, Developed backend services for POS and IoT-based access control systems using Node.js and MySQL, handling transactional and device-driven data flows across multiple deployment locations. Contributed to system architecture of an IoT access control platform, designing data flows for real-time device communication and access management. Migrated legacy applications to DigitalOcean cloud infrastructure, improving deployment consistency, uptime, and overall system reliability.

Full-stack Developer at Naik Solution, Jan 2021 - Jul 2021 · 7 mos, Madgaon, Developed backend features for POS and inventory management systems using PHP and MySQL, supporting core business workflows including billing, stock tracking, and transaction management. Built and maintained web application features using JavaScript, improving data handling and application responsiveness. Also developed client-facing portfolio websites using PHP, Bootstrap, and JavaScript.

Automation Tester at Open Destinations, Dec 2019 - Mar 2020 · 4 mos, Panjim, Goa, Developed automated test cases for web applications using Java and Maven, improving test coverage and reducing manual testing effort across the development cycle.

Education

Master of Computer Applications - MCA, Computer Science, Goa University

Bsc Computer Sceince, Computer Science, Dempo Charities Trust Dhempe College of Arts & Science Miramar