Sounish Nath

Software Engineer • Backend & Data Platform • flock.sinasini@gmail.com

Technical Skills

Languages: Python, JavaScript, Java, Golang, SQL
Frontend: React.js, Angular, HTML5, CSS3, TypeScript, TailwindCSS
Backend: Node.js, Django, Go, RESTful APIs, Graphql, Apache Spark, Kafka, Event-driven systems, Microservices, Airflow, Big Data, Hadoop, Data warehousing, Oracle, Agile
Cloud & DevOps: GCP, AWS, EC2, S3, SQS, Pubsub, Docker, Kubernetes, CI/CD
Databases: BigQuery, PostgreSQL, MongoDB, Redis, SQL Server

April 2025 - Present

Working on Oracle Cloud Fusion BI backend microservices serving 1M+ daily customers.
Engineering an AI-driven sidecar in Python on OCI AI Stack for Oracle Fusion SCM to diagnose slow report jobs (>10s), leveraging SQL traces and job metadata to generate auto LLM-based RCA and developer annotations.

August 2021 - April 2025

Migrated 40.2 M+ daily async tasks to Pub/Sub, Beam, and Cloud Run, cutting ops costs by 68%.
Designed and implemented backend services, ensuring BigQuery data lake backup and assets discovery management.
Built Graphql Data as Service API (300ms P95), handling 3.5TB/month, reducing latency by 60%, scaling to 3x traffic.
Led the 60+ regional containerised deployments of Docker and K8S for a global monitoring and observability platform built on Zabbix.
Launched GHD Rover – an AI search platform using Hugging Face, an enterprise search platform using vector databases, achieving 88.4% accuracy with hyper-personalised LLM recommendations.
Reengineered a distributed job server with Golang, Kafka, and Postgresql, replacing PHP and improving SQL analytics performance by 64%.
Implemented scalable data pipelines using Apache Spark, Hadoop, Kafka, and Delta Lake, handling up to 300GB of batch and streaming data.

Engineered a self-hosted, high-performance cold emailing tool using Golang, Echo, and MongoDB, focusing on scalability and resilience.
Implemented a robust email queueing system with rate-limiting, retry logic, and error handling to optimise delivery reliability.
Utilised Redis caching for efficient data retrieval and enhanced performance, achieving faster response times.
Containerised the solution with Docker and deployed on GCP, ensuring elastic scalability and minimal downtime.
Tech Stack: Golang, Echo, Mongodb, GCP, Generative AI, Docker, Redis

Developed a real-time, low-latency interview platform, WebRTC, async, reducing interview response times by 40%.
Architected a distributed microservices backend with load balancing and real-time data synchronisation, ensuring high concurrency and seamless user experience.
Tech Stack: Angular, NestJS, GCP, WebRTC, Gemini

Designed and implemented a cross-cloud backend infrastructure using Docker Compose, Kubernetes, and Terraform, enabling multi-cloud deployments across AWS, GCP, Azure, and on-prem environments.
Optimised deployment cycles by 30% through CI/CD automation and container orchestration, ensuring high availability and fault tolerance.
Tech Stack: Docker Compose, Kubernetes, Terraform

Built a high-performance URL shortening service in Golang, utilising Log-Structured Merge Trees (LSM) for efficient writes and lookups.
Optimise data storage with Bloom filters for quick lookups, and leverage Redis caching to speed up 30%
Tech Stack: Golang, Redis, Bloom Filters, Base62 Encoder, REST

Developed a cloud-native microservices architecture using Golang, Angular, and Postgresql on Google Kubernetes Engine, ensuring high availability and scalability.
Enhanced backend performance with database partitioning, load balancing, and horizontal scaling to optimise for high traffic and reliability.
Integrated Google OAuth2 for secure, decentralised authentication, and architected event-driven mechanisms to process user actions asynchronously.
Tech Stack: Golang, Angular, Postgresql, Kubernetes, OAuth2

Brainware Group of Institutions | Graduation Year: 2021

DGPA: 9.27/10
Relevant Coursework: Problem-Solving, Data Structures, Algorithms, Software Engineering, Object Oriented Programming, Operating Systems, Databases, Machine Learning

Solved 300+ problems on Leetcode. 4-star on Hackerrank.
Open-source contributor – 1000+ commits to major projects.
1st prize in the Inter-college hackathon, coding competitions.
Secured AIR 2231 in TCS Codevita – 2020. AIR 5430 in Infosys coding competition 2020.