Sourav Halder Email & Phone Number

Berlin, De

Berlin, Germany

‣ Engineered auto-scalable streaming and batch pipelines through the utilization of Dataflow, Python and Apache Beam, automating a previously manual client integration process and reducing integration time by 4x.‣ Designed and executed a comprehensive monitoring plan, delivering a monitoring dashboard for data pipelines using Stackdriver, Gcloud monitoring, and VictorOps. This solution not only enabled the detection and debugging of elusive system crashes but also helped to improve overall throughput.‣ Skillfully executed the migration of crucial data from the legacy system to a new platform using SQL, enhancing data reliability and simplifying maintenance for strategic business reasons.‣ Strategically redesigned the pipeline architecture to proactively address security concerns following extensive discussions with the Legal and Privacy teams, resulting in a more secure data environment.

Bengaluru, Karnataka, India

‣ Led a team of six developers using Agile Scrum methodologies to develop Email Marketing Software, driving a 22% increase in client retention.‣ Achieved a tenfold improvement in email delivery speed through the implementation of load-balanced pub/sub architecture and horizontal scaling, addressing performance issues with Prometheus and Grafana.‣ Prevented production crashes and improved system stability by implementing stack-driver alerts and continuous monitoring.‣ Enhanced database efficiency by 50% through strategic indexing, partitioning, and vertical scaling of MySQL queries.‣ Played a pivotal role in the design of key components, including the Workflow Engine, Bulk Emailing tool, and Email Editor.

Bengaluru, Karnataka, India

‣ Developed multi-region tracking solution and BigQuery data warehouse pipeline to track user behavioral session data of an average of 12 Million requests per hour‣ Increased BA’s efficiency by 20% by creating Heat-map application using click data‣ Improved the cloud deployments speed by 100% by bringing the whole infrastructure of the organization in 3 IaC projects & pipelines with Terraform, Kubernetes, and Gitlab CI/CD‣ Created cost-effective GKE clusters with ingress controller and prom-grafana stack‣ R&D on MySQL and PostgreSQL partitioning, replications, and sharding (using ProxySQL) for future scaling

New Delhi Area, India

‣ Co-founded an EdTech startup, leading research and development efforts for app features and architecture design.‣ Developed the backend using PHP & MySQL, hosted on AWS EC2 and RDS, and enhanced chat efficiency by 50% while reducing data usage with Node.js and socket.io.‣ Transformed the website into a hybrid app using Apache Cordova to reach a wider audience.

Jogendra Nath Mukherjee Road, Ghusuri, Howrah 711107

‣ Created APIs for mobile application.‣ Detected bugs and fixed in existing PHP MySQL WEB interface.‣ Optimized MySQL database with indexing.

Bachelor Of Engineering (B.E.), Applied Electronics And Instrumentation Engineering

Activities and Societies: Web Development team Web Developer for annual Tech-fest Utkrisht 2015 website (utkrisht.in) Co-ordinator.

Higher Secondary, High School Equivalence Certificate Program

Attended 1 week internship at Jagadis Bose National Science Talent Search(JBNSTS) in 2011

Secondary Examination, High School/Secondary Certificate Programs