Jan 2021 – Nov 2022 · 1 yr 10 mos

• Lead the network sub-team(~4-5 members), create all the roadmaps and plans for the projects assigned to the team. Report all the progress to upper management and gather metrics for each project to show the impact of the project from several aspects.
• Rearchitectured the Edge Gateway from monolith to distributed gateway using Istio Ingress Gateway. This empowers service developers to release their endpoints to the internet autonomously.
• Implement multi-layer rate-limiting policies for the entire endpoints in Mercari at the CDN level. This increased the security of the edge to prevent any kind of DDOS attacks or malicious traffic.
• Define network policies and security boundaries for the whole organization to improve the security and observability of the platform.
• Implement the network security policies using terraform and automated enabling of VPC flow logs and firewall rule logs for all GCP projects.
• Introduce Istio to improve the 3 pillars (Security, Observability and Reliability)
• Key person in Istio adoptoion. Collaborated with all microservice tech leads to discuss their issues and solve them using a servicemesh based approach

Jan 2020 – Dec 2020 · 11 mos

• Building a secure and reliable platform on top of Kubernetes to help developers build & deploy microservices
• Provide tools and services to boost the agility of service developers and monitor the services with high observability
• Operate datadog for providing observability to more than 250 microservices. Along operations reduce the cost by configuring the mandatory logs, custom metrics and APM traces
• As a sub-team lead manage 3-4 members. Responsibilities include defining the goals and roadmap for team members, reporting progress to higher management and continuous technical support to members

Feb 2019 – Dec 2019 · 10 mos

• Managed infrastructure for 50+ microservices, ensuring performance and scalability
• Oversaw 24/7 monitoring and on-call duties for payment microservices with Datadog and PagerDuty.
• Automated operations for GKE, Spanner, and CloudSQL, enhancing efficiency.
• Established end-to-end pipelines with CircleCI and Spinnaker for microservice code deployment, reducing downtimeker

Mar 2017 – Feb 2019 · 1 yr 11 mos · Tokyo, Japan

• Product leader and Technical advisor
• Managing and working with 4 remote development teams to develop ERP products from scratch. Continuously follow up the development cycle to achieve the deadline and release on time.
• Business requirement gathering, reviewing Catalogs & Specification documents before communicating with remote teams.
• Creating new formats for documents that can be used by the design team to create requirements
• Reviewing Cassandra data models also supports to create data models and Elastic search indexes
• Support remote teams for technical issues as well as specification-related issues
• Mentoring remote teams and new grads about the internal frameworks to fasten software development
• Continuous Integration and DevOps
• Working with the Continuous Integration team to deploy remotely developed ERP products.
• Setup local automated environments to deploy in-house frameworks and ERP applications
• Continuous synchronization of source code development remotely (from the Chennai office)
• Technologies used: Jenkins, Shell script, Ansible, Docker, Tomcat, Drone (CI tool).
• R&D Engineer
• Working with the back-end team to implement service and data layer to develop an ERP software called Talent Search via which user can search and view employee profiles within the company
• Develop data models, implement new features & fix bugs, Technologies used: Java 8, Google closure, JavaScript, Cassandra, Elastic search

Jan 2015 – Dec 2016 · 1 yr 11 mos · Tokyo, Japan

• Developing enhancement features for “e-Navi” a credit card user portal which has bill payments, user campaigns, point grant, cashing services and other features.
• Projects include front-end and back-end side both, using Java EE 6 framework and weblogic server

Oct 2014 – Dec 2016 · 2 yrs 2 mos · Tokyo, Japan

• Developed a campaign and push notification application for merchants, shoppers and admin.
• Responsibilities include gathering requirements and developing both responsive frontend and backend apis. Technologies used: JavaEE7, Java SE 8, Glassfish, Oracle and Sonar.

May 2013 – Jul 2013 · 2 mos · Bangalore

• Enhanced Content Understanding from Yahoo Answers
• Upgraded Yahoo answers Information Retrieval system to retrieve better answers from corpus
• based on content.
• Designed an algorithm for density-based scoring and gained insight in Yahoo Vespa an indexing tool, Apache Pig and Hadoop database systems.
• Worked on Image search - Fetched related images from news documents on basis of any arbitrary query.

Dec 2012 – Jan 2013 · 1 mo · Jodhpur, Rajasthan, India

• Developed an Online labour management web application which handled labour attendance and generates payrolls, catering to needs of 372 client companies.
• Designed and implemented Database model for the system.
• Automated entire process of payroll generation, saving 3000+ working hours, cutting cost by 75%.

May 2012 – Jul 2012 · 2 mos · Mumbai Metropolitan Region

• Built a scalable PHP based Pharmacy Parser to parse huge amount of plain text and convert it into tabulated database.
• Worked on a US-based Healthcare Website, modified UI, solved cross browsing issues and implemented Access rights management.