Jagannath Prasad Das

I am working as a Principal Software Engineer for the Data Acquisition team at Nielsen. We do fingerprint matching majorly. Some of my notable contributions to the project are: Learnt how to improve code performance and of the product using SQS instead of REST APIs. Automated orchestration of microservices using Airflow DAG. Increased pod limit of ASG using cloud-networking concepts like VPC-CNI to reduce cloud cost. Learnt about EKS Addons and its applications. Learnt extensive use of different AWS concepts. Modified complex Terraform/Pulumi code to add new features to IAAS.

I was working as a SDE3/Team Lead for Amadeus client at Wekan. Some of my notable contributions to the project are: Won the accolades of the CEO during the town-hall address of the year 2023-2024. Was managing a team of 3 members. Understand and design data-model for the migration of SQL queries of Amadeus Revenue Management System to Mongodb. Gained significant knowledge of different mongodb C++ drivers like stream builders, array builders as well as understood the internals of the underlying project (functional aspects of airline accounting). Debugged complex scenarios while developing the C++ code for mongodb queries. Understood some of the complex design patterns seen in the project like Polymorphic Iterators, Buffer Pool and understood design of complex data-types like Protobuf Blobs.

I was working as a Technical Architect for TomTom client at Mindtree. I owned the Route Guidance module of NavigationKit product. Some of my important contributions are: I have knowledge of the various components of the navigation framework which is a single-threaded cooperative scheduler which schedules various tasks like routing, guidance instructions. I have knowledge of the internals of a RPC called reflection which is similar to protobuf. I have done analysis of instructions generation code when a route diversion happens and inside a tunnel where there is no GPS.

I was employed as a lead software developer for the Backend Team. Some of my contributions are: Gained a fair understanding of the different micro-components like lorry, payment and was involved in migrating some of the few components to its respective micro-service. Solved a rate-limiting problem seen on production by using channels and asynchronous programming. Got exposure to Golang frameworks like Gin and Gorm.

I was employed as a lead software developer for the Location services Team. Some of my notable contributions were: Worked on many bug fixes related to shortest path route calculation. Added new features to BringYourOwnMap product. Developed a fair understanding of different route algorithms like MLD, Flash, Bi-Directional Dijkstra, MAASTAR. These algorithms are variant of graph algorithms like Dijkstra, A*. Developed a fair understanding of acceptance test framework. Learnt the art of using visitor pattern with GUI.

Worked as a senior developer in Oracle's OIT team. This team provides software developers with a comprehensive solution to access, transform, control the contents of over 500 unstructured file formats. Some of my important notable contributions for my team were: Developed a fair understanding of some of the famous file formats like Docx, PDF and fixed several bugs related to it. Worked on different image compression algorithms. Filed a number of security patches by studying valgrind traces. Fixed issues related to crashes/core dumps, memory corruptions, hang dumps, leaks, buffer overruns.