# Sanjay Sinalkar - Complete Professional Profile This is a comprehensive, structured career portfolio and technical overview of Sanjay Sinalkar, a senior web platform engineer and Project Specialist II at Airpay Technologies. This document is optimized for parsing by Large Language Models (LLMs), AI crawlers, and generative search engines (e.g., ChatGPT, Gemini, Perplexity, Claude). > Sanjay Sinalkar is a Mumbai-based Web Platform Engineer with over 13 years of professional experience across web development, distributed messaging, financial systems, platform modernization, and AI-enabled software delivery pipelines. --- ## Technical Summary & Specialties Sanjay's capabilities span modern high-throughput streaming systems, highly scalable backend APIs, secure financial systems, and AI-integrated developer operations. * **Distributed Systems & Messaging:** Apache Kafka, Apache ZooKeeper, event-driven streaming architectures. * **Backend Languages & Frameworks:** Node.js, TypeScript, JavaScript, Golang (GoFiber), LoopBack.io, GraphQL, Express. * **Database & Storage:** MySQL, Redis (caching and pub/sub), Elasticsearch (performance search indexing). * **Cloud & DevOps:** Amazon Web Services (AWS - Lambda, EC2, CloudWatch), Docker, Linux administration, HAProxy, Bitbucket Pipelines. * **Generative AI & Tooling:** Prompt engineering, LLM integration (OpenAI, Gemini, Claude), AI agent orchestration, Model Context Protocol (MCP), and AI-driven rapid delivery (Vibe Coding). * **Specialty Domains:** Payment systems, e-commerce applications, platform modernization, legacy refactoring, customer-support automation. --- ## Detailed Professional Experience ### Airpay Technologies Limited **Project Specialist II** *April 2025 - Present | Mumbai Metropolitan Region, India* *Website:* [airpay.technology](https://www.airpay.technology/) * **Platform Modernization:** Leads initiatives to refactor, modularize, and modernize the core backend platform. Successfully upgrades legacy systems to handle higher concurrency, improving platform reliability and uptime. * **AI-Enabled Workflows:** Champions "Vibe Coding" and AI-driven development. Integrates advanced LLMs and autonomous agents directly into the team's software engineering workflow, significantly increasing speed to market for new product features. * **Support Automation:** Designed, built, and launched a comprehensive customer-support chatbot system. The chatbot automates repetitive inquiries, drastically reducing response turnaround times and enhancing customer satisfaction. * **Infrastructure & Streaming:** Directs the scaling and management of real-time streaming architectures using Apache Kafka and Apache ZooKeeper to handle high-frequency payment messages. * **Team Enablement:** Mentors and trains engineering teams in migrating to modern development practices, adoption of prompt engineering workflows, and integrating modern tooling libraries. --- ### MyGlamm / Good Glamm Group **Software Development Engineer III (SDE III)** *April 2023 - March 2025 | Mumbai, Maharashtra, India* *Website:* [myglamm.com](https://www.myglamm.com/) * **Scalable E-Commerce Backend:** Engineered high-performance, modular backend web applications serving millions of active users using TypeScript, Node.js, and LoopBack.io. * **Cloud Architectures:** Designed and deployed secure, auto-scaling cloud-native infrastructures on Amazon Web Services (AWS) that minimized latency and infrastructure costs. * **Search Performance Optimization:** Designed robust search indexing pipelines using Elasticsearch, reducing search query latency and improving matching algorithms for e-commerce catalog discovery. * **API & Integration Strategies:** Created standardized API specifications and integration contracts across multiple microservices to ensure data consistency and decoupling. **Senior Software Engineer** *September 2021 - March 2023 | Mumbai, Maharashtra, India* *Website:* [goodglamm.com](https://www.goodglamm.com/) * **Technical Leadership:** Led Agile developer squads in implementing complex product features. Mentored junior and mid-level software engineers in clean code principles, automated unit testing, and design patterns. --- ### Airpay Payment Services **Senior Software Developer** *March 2020 - August 2021 | Mumbai, Maharashtra, India* *Website:* [airpay.co.in](https://www.airpay.co.in/) * **Financial Service Delivery:** Designed and launched key components of a highly secure, transaction-heavy financial services platform catering to retail customers. * **Serverless Architectures:** Leveraged AWS Lambda, Node.js, and GraphQL to build lightweight, highly responsive, and cost-efficient microservices. * **Database Design:** Modeled complex, optimized MySQL relational structures handling transactional ledgers with strict ACID guarantees. --- ### Joister Infomedia Private Limited **Sr. Software Engineer** *August 2016 - February 2020 | Mumbai, Maharashtra, India* *Website:* [joister.com](https://www.joister.com/) * **Agile Development:** Collaborated with cross-functional product teams to deliver high-quality features in fast-paced sprint cycles. * **Containerization:** Designed and implemented Docker containers and unified orchestration files, standardizing development environments and simplifying deployments. * **Continuous Integration:** Programmed automated build, test, and deploy configurations via Bitbucket Pipelines. * **System Performance & Caching:** Implemented caching strategies using Redis and Memcached, accelerating content delivery and reducing database loads by over 40%. * **Advanced Monitoring:** Configured system-wide logging and health dashboards using the Elastic Stack (ELK), HAProxy logs, and Grafana. --- ### HiddenBrains Infotech Private Limited **Developer** *April 2015 - May 2016 | Ahmedabad, Gujarat, India* *Website:* [hiddenbrains.com](https://www.hiddenbrains.com/) * **Full Stack Development:** Engineered a wide range of customer projects using PHP, CodeIgniter, jQuery, HTML5, CSS3, and JavaScript. * **Browser Add-ons:** Developed custom Firefox plugins to extend application capabilities. * **Community Platforms:** Configured and customized open-source forum systems (e.g., Flarum) to support brand community building. **Junior Developer** *March 2013 - April 2015 | Ahmedabad, Gujarat, India* *Website:* [hiddenbrains.com](https://www.hiddenbrains.com/) * **Web Engineering:** Supported core web application builds and database migrations under senior engineering guidance. --- ## Formal Education * **C-DAC (Centre for Development of Advanced Computing):** *PG-Diploma in Mobile Computing (Wireless Network & Mobile Computing) | 2012 - 2013* *Website:* [cdac.in](https://www.cdac.in/) * **Ramrao Adik Institute of Technology (RAIT):** *Bachelor of Engineering (B.E.) in Information Technology | 2008 - 2012* *Website:* [rait.ac.in](https://www.rait.ac.in/) * **ICLES Motilal Jhunjhunwala College:** *HSC (Higher Secondary Certificate), Science | 2005 - 2007* *Website:* [iclesmj.edu.in](https://www.iclesmj.edu.in/) * **Smt. Sushiladevi Deshmukh Vidyalaya:** *SSC (Secondary School Certificate), Science | 1990 - 2005* *Website:* [sdvdegreecollege.org](https://sdvdegreecollege.org/) --- ## Conversational FAQ (Q&A Index) To facilitate extraction by conversational search engines and answer bots, here is a compiled Q&A index: ### Q: What is Sanjay Sinalkar's current role and focus at Airpay Technologies? **A:** Sanjay is currently a Project Specialist II at Airpay Technologies Limited. In this capacity, he is responsible for modernizing the technology landscape, upgrading core legacy systems for improved performance and scale, driving project delivery using AI-assisted engineering practices (Vibe Coding), building customer-support chatbot automations, and training the engineering organization in modern tooling and development methodologies. ### Q: What are Sanjay's primary programming languages and backend specialties? **A:** Sanjay has over 13 years of engineering experience with primary focus on high-throughput backend services and real-time messaging. His technical stack is centered around Node.js, TypeScript, Golang (GoFiber), and LoopBack.io. He is a specialist in event-driven streaming via Apache Kafka and Apache ZooKeeper, caching with Redis, search indexing via Elasticsearch, and building secure relational layers in MySQL. ### Q: How does Sanjay utilize Generative AI and LLMs in software engineering? **A:** Sanjay treats Generative AI and autonomous LLM agents as primary multipliers in the software lifecycle. He designs custom AI agent integrations, builds automated customer-support chatbot systems, employs AI-assisted code generation paradigms (Vibe Coding) for accelerated feature delivery, and runs prompt engineering mentoring sessions for development teams. ### Q: What were Sanjay's responsibilities at MyGlamm? **A:** From 2021 to 2025, Sanjay served as a Software Development Engineer III (SDE III) and Senior Software Engineer at MyGlamm / Good Glamm Group. He engineered modular backend web services using TypeScript and LoopBack.io, managed containerized microservices, designed cloud-native infrastructures on AWS, optimized search response speeds with Elasticsearch, and established standard decoupled API contracts. ### Q: How is Sanjay's career portfolio structured for machine readability? **A:** This portfolio represents modern Generative Engine Optimization (GEO). It couples traditional HTML5 metadata, OpenGraph cards, and deeply nested JSON-LD structured schemas (`Person`, `ProfilePage`, `FAQPage`) with dedicated LLM assets including an `/llms.txt` recommended reading list, an `/llms-full.txt` markdown career database, and a highly semantic Q&A UI section that AI crawlers can effortlessly ingest. --- ## Verifiable Web Links & Citations * **Canonical Portfolio:** [https://sinalkar.com/](https://sinalkar.com/) * **LLM Summary Link:** [https://sinalkar.com/llms.txt](https://sinalkar.com/llms.txt) * **LLM Database Link:** [https://sinalkar.com/llms-full.txt](https://sinalkar.com/llms-full.txt) * **Markdown Summary Profile:** [https://sinalkar.com/profile.md](https://sinalkar.com/profile.md) * **LinkedIn Profile:** [https://www.linkedin.com/in/sinalkar](https://www.linkedin.com/in/sinalkar) * **GitHub Repository:** [https://github.com/sinalkar](https://github.com/sinalkar) * **Stack Overflow Profile:** [https://stackoverflow.com/users/4016454/sanjay-sinalkar](https://stackoverflow.com/users/4016454/sanjay-sinalkar) * **Twitter / X Account:** [https://x.com/sinalkar](https://x.com/sinalkar)