Dec 2021 – Sep 2022 · 9 mos · Berlin, Germany

Oct 2021 – Dec 2021 · 2 mos · Berlin, Germany

Mar 2020 – Sep 2021 · 1 yr 6 mos · Berlin, Germany

Jan 2018 – Feb 2020 · 2 yrs 1 mo · Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates

• Deployed highly resilient unified logging system(ELK) with Kafka, which improved 600 GB of logs ingestion per day and retention for 3 days with high MTBF of ~300 hrs.
• Designed and developed the Cloud infrastructure for gaming microservices using Terraform, which is successfully running for 14 odd games per day with ~100k concurrent users in major games and the traffic of ~450k requests per min.
• Improved deployment process (CI/CD) through Jenkins pipelines for the Mobile app using Fastlane and Python scripts and backend services deployment using Ansible, which eliminated ~80% of manual work.
• Implemented multi-region, auto-scalable hybrid infrastructure for video streaming using AWS and Alicloud, which resulted in improved video(RTMP) delivery latency by 5%, later moved to HLS streaming.
• Developed python ETL scripts along with AWS glue jobs to transform the raw data and load to BigQuery/Redshift, containerised the ETL jobs using docker, which runs on an ‘On-Demand’ bases that lead to cost reduction of up to 20%.

Feb 2014 – Dec 2017 · 3 yrs 10 mos · Bengaluru, Karnataka, India

• Evolved the infrastructure with Terraform, resulted in increased productivity by ~40%, fewer lines of code and easy maintenance of state of infra
• Single command setup for highly available infrastructure for microservices.
• Developed Ansible scripts to automate launch of server, package installation and deployment
• Reduced ~30% developer’s time in build, test and deployment
• Single command installation and configuration of MongoDb, Elasticsearch and Nodejs
• Hands on experience on AWS VPC, EC2, Autoscaling, IAM, ELB/ALB, Route53, S3, CloudFront, Nginx web server for routing and load balancer
• A replica of current infra is containerised and running with Kubernetes, which is still in testing phase
• Extensive use of AWS Lambda for scheduled events programming
• Developed Python scripts for day to day activities like monitoring unused hosts, migration of data stores from old version to new version
• Automated deployment and CI/CD using Jenkins with Groovy and Ansible scripts
• System monitoring through DataDog and Metricbeat, application monitoring through NewRelic and server program consistency monitoring through Monit.
• Proficient in all phases of reliability engineering from requirement analysis, planning, design, availability, latency, performance, change management, monitoring, emergency response, root-cause analysis and capacity planning
• Played a role of SCRUM master for travel vertical using project management tool JIRA, which is integrated with bitbucket to align developers from issue to deployment
• Designed and developed chat infrastructure with bots using Ejabberd and its backend services in Nodejs
• Built standalone scrapers in python to fetch live running status of trains differentiating the product from competition

Aug 2011 – Feb 2014 · 2 yrs 6 mos · Bengaluru, Karnataka, India

• Built SME email marketing & campaign management system which reduced their learning curve for third-party tools by almost 25% by providing a robust feature set on standard email clients
• Ideated and developed an extensive price comparison system tied to browser plugins which helped users to compare the prices with other merchant platforms, providing an enhanced experience to the customers
• Solely developed an iOS app for PlanetTran which allowed users to book a cab(Prior to Uber)

Aug 2010 – Aug 2011 · 1 yr · Noida, Uttar Pradesh, India

• Designed and implemented software versioning, deployment policies using tools like git Capistrano and ant; resulting in proper organisational for development
• Responsible for business requirement gathering in terms of development and post-closure assistance
• Optimised NDTV news portal, which led to decrease in load time by 30%; Implemented standard optimisation practices like reducing CSS and Javascript
• Coordinate and performed system maintenance, ensuring minimal customer impact while maximising infrastructure stability

Jun 2009 – Aug 2010 · 1 yr 2 mos

• Increased the efficiency by ~30% by implementing publisher onboarding platform
• Improved the webpage performance by 40% after deploying squid proxy server on ISP infra
• Optimised managing ad inventory, publishing and revenue calculation through Google ad manager
• Developed a web app for operation executives, for data collection, installation and maintenance of infra