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I am a senior software engineer with 7+ years building scalable, high-traffic web applications across fintech, digital health, and SaaS. I thrive on diagnosing complex production issues, improving performance, and hardening real-time and batch workflows for reliability at scale.\n\nI collaborate with product managers and designers to translate ambiguous requirements into practical technical decisions and resilient software outcomes. I also partner with cross-functional teams on cloud-native delivery on AWS (EC2, ECS, CloudFront, CloudWatch), turning ideas into measurable impact.…I am a senior software engineer with 7+ years building scalable, high-traffic web applications across fintech, digital health, and SaaS. I thrive on diagnosing complex production issues, improving performance, and hardening real-time and batch workflows for reliability at scale.\n\nI collaborate with product managers and designers to translate ambiguous requirements into practical technical decisions and resilient software outcomes. I also partner with cross-functional teams on cloud-native delivery on AWS (EC2, ECS, CloudFront, CloudWatch), turning ideas into measurable impact.

Aiden Chen-O'Rourke

Full Stack Developer, Web Developer, Back-End Developer, +2

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I am a senior software engineer with 7+ years building scalable, high-traffic web applications across fintech, digital health, and SaaS. I thrive on diagnosing complex production issues, improving performance, and hardening real-time and batch workflows for reliability at scale.\n\nI collaborate with product managers and designers to translate ambiguous requirements into practical technical decisions and resilient software outcomes. I also partner with cross-functional teams on cloud-native delivery on AWS (EC2, ECS, CloudFront, CloudWatch), turning ideas into measurable impact.…I am a senior software engineer with 7+ years building scalable, high-traffic web applications across fintech, digital health, and SaaS. I thrive on diagnosing complex production issues, improving performance, and hardening real-time and batch workflows for reliability at scale.\n\nI collaborate with product managers and designers to translate ambiguous requirements into practical technical decisions and resilient software outcomes. I also partner with cross-functional teams on cloud-native delivery on AWS (EC2, ECS, CloudFront, CloudWatch), turning ideas into measurable impact.

Available to hire

I am a senior software engineer with 7+ years building scalable, high-traffic web applications across fintech, digital health, and SaaS. I thrive on diagnosing complex production issues, improving performance, and hardening real-time and batch workflows for reliability at scale.\n\nI collaborate with product managers and designers to translate ambiguous requirements into practical technical decisions and resilient software outcomes. I also partner with cross-functional teams on cloud-native delivery on AWS (EC2, ECS, CloudFront, CloudWatch), turning ideas into measurable impact.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Software Engineer at BrightCart

January 1, 2023 - January 1, 2026

Led modernization of core e-commerce architecture; decomposed monolith into modular Node.js services with Postgres; implemented phased migration strategy; reduced API latency by 37% and cloud spend by 18% without disrupting roadmap. Co-led the release of a checkout optimization platform spanning React/Next.js frontend flows and Node.js experimentation services; implemented feature-flag governance, co-ownership sprint planning, reducing production incidents by 37% and boosting confidence in high-frequency deployments. Collaborated with product, design, data teams to formalize release discipline across squads via code-review standards, ownership boundaries, and dependency-aware sprint planning; improved on-time delivery from 78% to 89% while mentoring 4 engineers.

Senior Software Engineer at Nova Health Labs

January 1, 2020 - December 1, 2022

Joined NOVA Platform across biology and outpatient operations; partnered with platform engineers, clinical stakeholders, and product managers to strengthen scheduling and billing services on Node.js and PostgreSQL; scaled deployment to 120+ clinics while maintaining 98.5% uptime under continuous delivery. Co-led rollout of event-driven patient engagement using Node.js, Redis, and AWS SNS/SQS; implemented priority-aware reminders, retry-safe delivery, and escalation routing reducing missed appointments by 21% and improving follow-through. Re-architected PostgreSQL reporting with indexing strategy and workload-aware data access, reducing dashboard latency from 9s to under 3s. Modernized clinician-facing experiences in React/TypeScript with route-level code splitting and performance optimizations; enforced HIPAA-aligned access and governance with policy-based RBAC, immutable auditing logs, and action-level traceability.

Freelance Full-Stack Developer at Upwork

November 1, 2017 - May 1, 2018

Delivered web applications and APIs for global clients; maintained a 94.7% project success rate and a 4.9/5.0 average client rating across 65+ completed contracts. Generated over $24K in total earnings from repeat-business engagements with long-term clients.