Syed Ishtiaque Ahmad
Senior Software Engineer @RBCx
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WORK HISTORY
Senior Software Engineer @RBCx
Vancouver, BC, CA
Reduced claim processing time from 6 hrs to 15 mins by re-architecting a long-running Sidekiq job into parallel, resumable batches with state tracking, enabling scalability for 100k+ of healthcare transactions> Optimized use of a strict 1.4k daily API quota per account by eliminating duplicate requests with Redis caching and session reuse, enabling doctors and billing agents to complete 3x more unique eligibility checks without hitting rate limits> Designed and implemented a secure, subscription-based payment model using the Stripe API, enablingautomated recurring billing and commission collection while ensuring compliance and processing millions in transactions> Led API design and integration with external government systems, collaborating with domain experts to reduce claim rejections by 20% through stronger data contracts, validations, error handling, and proactive alerting> Reduced average root cause detection time from 3 hours to 40 minutes by building observability pipelines with New Relic and Sumo Logic, and implementing on-call alerting via Slack/PagerDuty> Redesigned the onboarding and account management experience by migrating from legacy authentication to Okta for compliance. Partnered with Product and Design to deliver a React with TypeScript frontend with Storybook-driven previews, reducing design-to-dev feedback loops from 3 days to 1 day> Mentored engineers through code reviews, pair programming, and knowledge-sharing, and reduced onboarding setup time by 50% with improved documentation and automation> Led the migration from Rails 6 to Rails 7, updating deprecated gems and ensuring full compliance withframework and security requirementTechnologies Used: Ruby on Rails, Rust, ReactJS, Typescript, Terraform, AWS (S3, WAF, CDN, ECS etc), Okta, New Relic, Sumo Logic, BugSnag, LaunchDarkly, Python, Redis, Kubernetes, Sidekiq, Stripe
EDUCATION
The University of British Columbia
Master of Science (MSc)
North South University
Bachelor’s Degree
Sunnydale
O levels
Sunnydale
A level
SKILLS
ABOUT SYED ISHTIAQUE AHMAD
I am a Senior Software Engineer with over 9 years of experience building and scaling web applications. I have worked across the stack, specializing in backend development using Ruby on Rails and Rust, and have built front-end features using ReactJS and TypeScript alongside AWS-based infrastructure.Over the years, I have designed backend systems from the ground up, improved performance for large-scale apps, and helped teams ship reliable, maintainable code. I enjoy solving tough problems, optimizing systems, and making things faster and better.I have also spent a lot of time mentoring engineers and collaborating across teams to build products that actually matter to users. I like working in environments where I can keep learning, share what I know, take ownership, and build things that have real impact
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