Jun 2023 – May 2024 · 11 mos · Singapore · Hybrid

• An AI MarTech startup that later pivoted to HotelTech industry.

Mar 2022 – Mar 2023 · 1 yr · Singapore · Hybrid

• As a senior engineer, led cross-functional initiatives end-to-end in an agile manner.
• Experienced in investment advisory, transactions, portfolio management, investment, fund instruments, fees, redemption, rebalancing, dividends backend services, and architecture.
• Built multiple product features, including multi-currency support, fund closures, real-time order updates, and FX rates caching etc
• Deeply involved in the Hong Kong launch, successfully implementing region-level code splits and Hong Kong-specific features.
• Proactively identified and resolved long-standing bugs and technical debt, leading to significant improvements in product performance.
• Led the refactoring of the Transaction service, improving domain modelling and designing a more user-friendly downstream API. Rebuilt the Transaction entity architecture to meet scalability requirements using CQRS.

Jan 2022 – Mar 2022 · 2 mos · Singapore

Sep 2020 – Dec 2021 · 1 yr 3 mos · Singapore

• Building cross-border B2B marketplace architecture and services from scratch on GraphQL and Node.js.
• Closely liaising with FE, Ops, Product and GTM teams to build the product in a dynamic startup environment.
• Led backend decision-making among a team of senior engineers, unblocking and driving the team.
• Migrate DynamoDB to Postgres making product/business move faster as we weren't close to needing DynamoDB kind scale.
• Research and build solutions around China's complex data policies for hosting apps in China.
• Researched open-source technologies and B2B marketplaces to decide buy vs build.

Oct 2018 – Sep 2020 · 1 yr 11 mos · Singapore · On-site

• As part of the core platform team, my responsibilities included the following -
• In charge of developing and maintaining the core media and entitlements pipeline (Paywalls, Geoblocks, Content Scheduling) powering all the client-side APIs.
• Owning API services with a request rate upward of 2.5K rps with millions of users using our various client apps. Scaling them in the right way to ensure better client experiences.
• Spearheaded the backend development of a brand new platform - Rakuten Sports (https://sports.rakuten.com) by utilizing my passion for both tech and sports.
• Helped the team to transition to fully cloud-based architecture using K8s by implementing SRE principles across various projects introducing resilience and reliability to the system as a whole.
• Led the efforts on the in-house API Gateway to come up with a more efficient caching strategy to meet the growing scaling needs.

Jan 2018 – Oct 2018 · 9 mos · Singapore · On-site

• Developing & maintaining the REST APIs and services for internal dashboards, mobile app & e-commerce website.
• Designing scalable features to handle the load of thousands of users

Nov 2016 – Dec 2017 · 1 yr 1 mo · New Delhi, Delhi, India

• Building the complete backend for Dextra Arts -
• Redesigning the whole backend architecture and successfully migrating the old infrastructure to the new technology stack (Node.js, Scala, MongoDB, Cassandra, Redis).
• Designing the MongoDB and Cassandra schemas for maximum scalability keeping in mind that clustering would be required in the future.
• Creating a microservice architecture so that all the different services can be scaled individually. Services include - business APIs, Image Processing service, Mail Sending Service, Auth Service, MQTT Broker etc.
• Creating flexible and secure REST APIs to be consumed by all 4 of our frontend applications - Android, iOS, Website(React.js), Web Dashboard(Internal Tool).
• Manage ALL the ops related work on AWS including VPC, EC2, S3, Cloud Front CDN, Lightsail, IAM.
• Implementing real time chat in the Dextra app using the MQTT protocol by setting up a MQTT broker to connect with all the frontend client MQTT libraries.
• Creating various small open source modules to monitor different technologies like Node.js, MongoDB, Cassandra in real time resulting in a minimal monitoring framework which was connected with Slack for real time notifications and was easy to host and manage.
• Writing numerous scripts in Bash, Node.js or Python for tasks like automated database backups to S3, restoring database in case of a calamity, sending emails, data migrations, monitoring, resizing and uploading images etc.

Jun 2016 – Nov 2016 · 5 mos · New Delhi, Delhi, India

• (It was seed stage startup that shutdown Nov 2016)
• Working on a wide variety of tasks like building backend APIs, tracking modules to website scraping, and Android development. Worked across the stack.

Jan 2016 – Apr 2016 · 3 mos · New Delhi Area, India

• Working through the complete development life cycle of the Android application.
• Creating the whole road map for the product and building it from scratch.
• Extensively using Google Maps and Location Services for real time tracking.
• Using a cloud database to serve as a backend for the app.
• Creating REST APIs using Node.js with Restify framework.

Oct 2015 – Dec 2015 · 2 mos · New Delhi Area, India

• Working through the complete development life cycle of the application and buiilding the app from scratch.
• Working with the back-end team to discuss the APIs structure.
• Discussing with the design team to make the best user experience possible.
• Assuming complete control of the app and suggesting important features.
• Setting up important SDKs like AWS, GCM, Analytics and Social Auth.

Jun 2015 – Aug 2015 · 2 mos · New Delhi Area, India

• Working through each phase of the software development cycle.
• Designing new layouts for the app.
• Suggesting and Implementing new features.
• Debugging existing code.
• Performing Automation Testing of the complete product.
• Working with the back-end team to improve efficiency.