Jan 2023 – Jun 2023 · 5 mos · Bengaluru, Karnataka, India · Remote

• Development of common platform libraries in golang supporting cache, database, message broker connections with encryption support.

Jun 2020 – Dec 2022 · 2 yrs 6 mos · Bengaluru, Karnataka, India · Remote

• 1. Led team to transform existing gofood system into a SaaS product, enabling discovery, ordering, delivery from gofood restaurants via third party apps. Used mTLS, API & data sharding for tenant.
• 2. Integrated tokopedia app with the gofood backend to support listing & ordering from gofood restaurants on tokopedia app with configurable data isolation at different levels of system.
• 3. Designed and developed inhouse auto scaling service to scale the infra dynamically based on load of a service, reducing infra billing by 40% using golang, terraform & prometheus metrics.
• 4. Automated and optimized postgresql high availability across the organization covering more than 30 microservice databases to achieve 99.999% HA using patroni.
• 5. CI/CD integration, load/stress testing, unit testing, code reviews, pull requests, design docs, ADR discussions

May 2019 – Jun 2020 · 1 yr 1 mo · Bangalore Urban, Karnataka, India

• 1. Designed, developed and deployed 4 microservices from scratch to manage homepage, promotions, discovery of grocery delivery system using golang, elasticsearch, clojure.
• 2. Enriched Order management system to handle driver allocation & location tracking to handle 0.2 mil orders a day
• 3. Improvements in admin/internal portals to provide better post order experience to customers to track any issues with the support agents.

Jun 2017 – May 2019 · 1 yr 11 mos · On-site

• 1. Led the design and development of ruby gems for MultiTenant support to isolates the data at database(activerecord ,mysql), cache(redis and memcache), elasticsearch, pubsub(kafka) and api with a single server hosting multiple tenant ecommerce websites.
• 2. Implemented mysql sharding using vitess with configurable routing key at table level and integrated MultiTenant gem to allocate different shards to different tenants.
• 3. Unification of Voonik and MrVoonik websites by using the in-house MultiTenant gems, migrated production data of nearly 30 microservices from MrVoonik to Voonik with zero downtime.
• 4. Led the development of an in-house framework/package in golang to ease the migration of services from ruby to golang, handling auth, db, cache, async, queues, gRPC, channels, routines.
• 5. Design and Development of lookaside load balancer for gRPC transport by using server push available in gRPC(http2) by taking reference from https://grpc.io/blog/loadbalancing.
• 6. Development and integration of kafka client libraries in ruby, golang supporting of json, protobuf message formats.

May 2016 – Jun 2017 · 1 yr 1 mo · On-site

• 1. Analyzed different background job processing gems in ruby(delayed jobs, resque, sidekiq etc) along with different storage engines(Redis, mysql) that they will support.
• 2. Integrated the resque with order tracking system with configurable priorities for each and every stage of order processing and scaling each stage individually.
• 3. Developed a ruby gem for inter service communication supporting service discovery, configurable transports(rest, pubsub, gRPC), tracing, logging, timeouts, circuit breaking.
• 4. Developed a ruby gem for configurable Authentication, Authorization and Auditing for incoming requests. Supporting JWT, cookie and http auth etc

Jan 2016 – Apr 2016 · 3 mos · On-site

• Developed a developer friendly ruby gem, that will listen to model changes in one microservice and push these changes to other microservices asynchronously based on yaml configuration.