Oct 2019 – Oct 2020 · 1 yr · On-site

• Founding Engineer | Concierto.cloud
• Architected and delivered a cloud infrastructure automation platform from the ground up, shaping both the technical architecture and product roadmap for enterprise-grade multi-cloud orchestration.
• Built modular Node.js microservices and RESTful APIs abstracting AWS, GCP, and Azure SDKs, enabling unified resource provisioning, cost optimization, and infrastructure observability.
• Implemented infrastructure-as-code (IaC) workflows with Terraform and containerized services with Docker and Kubernetes, accelerating deployment velocity by 3×.
• Developed critical enterprise features—automated provisioning pipelines, role-based access control, and audit logging—to ensure security, compliance, and traceability.
• Collaborated with Product Management and UX to define MVP scope, prioritize features, and deliver customer-facing releases 4 weeks ahead of schedule.
• Established CI/CD pipelines (GitHub Actions), integrated automated testing, and set up monitoring and alerting (Prometheus, Grafana) for 24/7 system reliability.
• Championed best practices by defining coding standards, conducting pull-request reviews, and mentoring early hires on test automation, code quality, and documentation.

Jun 2018 – Oct 2019 · 1 yr 4 mos · On-site

Feb 2018 – Jun 2018 · 4 mos · On-site

Jun 2017 – Feb 2018 · 8 mos · Chandigarh Area, India · On-site

• Contributed to Tookan, a multi-tenant, scalable last-mile delivery management platform, by building Node.js/Express.js microservices backed by MongoDB and MySQL, supporting thousands of delivery agents.
• Designed and maintained real-time tracking and route optimization APIs, integrating with SMS gateways and payment processors (Stripe, PayU) to enhance customer experience and operational efficiency.
• Improved API performance and reduced response times by ~30% through database indexing, query optimization, and Redis caching.
• Implemented role-based access control (RBAC) and multi-tenant permission management to ensure secure, isolated data access across enterprise customers.
• Collaborated with front-end (React) and mobile teams to define WebSocket-powered real-time endpoints, enabling dynamic workflows and live status updates.
• Ensured system reliability and scalability on AWS (EC2, RDS, S3, CloudWatch), achieving 99.9% uptime and automated deployments via CI/CD pipelines.

Mar 2016 – Jun 2017 · 1 yr 3 mos · Noida Area, India · On-site

• Engineered real-time multiplayer backend services for high-traffic Bingo and Poker platforms using Node.js, enabling seamless gameplay for 10k+ concurrent users.
• Designed and implemented WebSocket-powered communication layers and RESTful APIs to ensure sub-100 ms latency for game logic, matchmaking, and state synchronization.
• Collaborated with game designers and frontend teams to build robust features—live chat, game rooms, leaderboards, and player statistics—driving increased player engagement.
• Optimized database schemas and queries (PostgreSQL/MongoDB), and implemented in-memory caching with Redis to support persistent game state and reduce lag.
• Integrated server-side cheat detection and action validation to maintain game integrity and security under high load.
• Deployed and maintained infrastructure on AWS (EC2, Auto Scaling, DynamoDB, CloudWatch), architecting for fault tolerance and automated scaling during peak tournament traffic.
• Key Technologies: Node.js · WebSockets · Redis · PostgreSQL · MongoDB · AWS Auto Scaling · Real-Time Systems · Microservices · Multiplayer Gaming · State Persistence · Security & Cheat Detection

Sep 2015 – Mar 2016 · 6 mos · New Delhi Area, India · On-site

• Architected and maintained scalable RESTful APIs with LoopBack, Node.js, and MongoDB, enabling modular, extensible services for core application features.
• Designed and optimized MongoDB schemas and complex queries—improving data retrieval performance by up to 30% and supporting evolving data models.
• Implemented authentication, authorization, and role-based access control (RBAC) within the LoopBack framework, ensuring enterprise-grade API security and compliance.
• Enhanced throughput and reduced latency by optimizing middleware pipelines, introducing Redis caching, and leveraging asynchronous data processing patterns.
• Partnered with product and frontend teams to translate requirements into robust backend solutions, accelerating feature delivery through Agile practices and CI/CD automation.
• Drove code quality and consistency via peer code reviews, unit testing, and integration into automated build pipelines.

Jan 2015 – Sep 2015 · 8 mos · Gurgaon, India · On-site

• Developed dynamic, responsive SPAs using AngularJS, improving user engagement with real-time updates and interactive UI components.
• Engineered Node.js backend microservices for core e-commerce and social-commerce features—user management, transactions, notifications—ensuring scalable request handling.
• Designed and integrated RESTful APIs to facilitate seamless communication between frontend and backend layers, reducing API error rates by 15%.
• Collaborated with cross-functional teams (Product, QA, DevOps) to define API contracts, streamline integration workflows, and maintain end-to-end feature delivery.
• Conducted performance tuning—optimizing AngularJS digest cycles, middleware pipelines, and database queries—to decrease page load times by 25% and improve API response times.
• Followed Agile/Scrum practices: participated in sprint planning, daily stand-ups, and retrospective ceremonies to deliver iterative enhancements on schedule.

Sep 2010 – Jul 2012 · 1 yr 10 mos · Varanasi, Uttar Pradesh, India · On-site

• Provided personalized tutoring services in Mathematics and Computer Science to students ranging from high school to undergraduate levels.
• Delivered tailored lessons to help students understand complex concepts in algebra, calculus, data structures, and programming fundamentals.
• Developed customized study plans and practice exercises to improve academic performance and problem-solving skills.
• Assisted students in preparing for exams and coding assessments with practical examples and hands-on coding sessions.
• Fostered a supportive learning environment that encouraged questions, critical thinking, and self-confidence.
• Adapted teaching methods to individual learning styles, ensuring effective knowledge transfer and skill development.

Apr 2010 – Sep 2010 · 5 mos · Gurugram, Haryana, India · On-site

• Provided excellent customer service in a fast-paced café environment, ensuring a positive experience for all guests.
• Prepared and served a variety of coffee beverages and snacks with attention to quality and presentation.
• Managed customer orders efficiently while maintaining cleanliness and organization of the service area.
• Handled cash transactions and operated POS systems accurately.
• Assisted in inventory management and restocking supplies to maintain smooth café operations.
• Fostered friendly and welcoming interactions with customers to build repeat business.

Jul 2009 – Mar 2010 · 8 mos · Ramnagar, Uttar Pradesh, India · On-site

• Taught computer science concepts and practical skills to students across various grade levels, fostering a strong foundation in digital literacy and programming.
• Delivered engaging lessons on computer fundamentals, programming languages, and software applications tailored to student skill levels.
• Developed curriculum plans and hands-on projects to reinforce theoretical knowledge through practical experience.
• Assessed student progress and provided personalized feedback to support academic growth.
• Organized and supervised computer labs, ensuring a safe and resourceful learning environment.
• Encouraged critical thinking and problem-solving through interactive activities and coding exercises.