Tushar Sariya

Backend engineer with 5 years building distributed systems and cloud infrastructure. Repeatedly reduced p99 latency and hardened services. Comfortable owning APIs end-to-end (design, IaC, deploy, observability) and mentoring teammates.

Experience

Nasdaq

Canada
Senior Software Developer - Cloud/Analytics Oct 2024 - Dec 2025
  • Built Check 21 Metadata APIs used by analytics consumers; partnered with architecture, security, and product to align on requirements, achieved a p50 of 100ms and p99 of 400ms, reducing analytic runtime from 10h to 2h.
  • Built and shipped X9 PCI redaction, CFCA results SFTP service, Check Fraud monitoring.
  • Mentored 5 engineers by sharing AWS best practices for compute, messaging, networking, and security across teams; authored internal guidance.
Senior Software Developer - Cloud May 2021 - Oct 2024
  • Led API design and deployment for a tier 1 customer for retrieving cross-region data with a 5s p99 SLA.
  • Cut API p99 by 50% to 1s by introducing credential-cache API, fulfilling customer SLAs.
  • Led cross-functional pen-testing effort of a service for a tier 1 institution, delivered ahead of schedule.
  • Spearheaded API load testing to meet 1s SLAs and 30 TPS using K6, AWS, Docker, Python.
  • Reduced postgres restore time by 50% from 24h to 12h improving developer experience.

Curtiss Wright Defence Solutions

Canada
Associate Software Developer Sep 2019 - May 2021
  • Validated and released several maintenance packages for Intel, ARM and Switch products in embedded C.
  • Developed a build system to generate configurations of a Board Support Package to decrease testing time.
  • Developed Automated tests, reduced test time by 77% and saving $180k/y using TestStand and Bash.
  • Automated network testing using Spirent Test Centre and WireShark CLI reducing test time by 75%.

Projects

  • Terraform Plan visualization: Used Python networkx and pydot to parse Terraform show and graph into a Graph. Created a React front end to create an "excalidraw/Draw.io" style visual of actual Terraform resource plan. Used LangGraph to create a GraphRAG to identify potential deployment, config, security and networking issues.
  • Org-chart Website: Created this to learn about SQLAlchemy datamodels, React & Flask.
  • Flag-viewer Website: Created this to learn how to host my own website in AWS ECS, React & Flask.

Proficiencies

  • Languages: Python - Java - Bash
  • Cloud/Infra: AWS suite (EC2, ECS, Lambda, SQS, SNS, Kinesis, S3, IAM, API Gateway) - Terraform - Splunk - Chef - Docker
  • Data: DynamoDB, PostgreSQL
  • Additional: React, JavaScript, HTML, CSS, Flask, SQLAlchemy, C/C++

Education

BEng. Electrical Engineering - May 2015 - May 2020

Memorial University of Newfoundland