Avery Sen
Software Engineer, Platform Reliability and Developer Experience
- avery.sen@northmail.dev
- +44 20 7946 0382
- Leeds, UK
- linkedin.com/in/avery-sen-platform
- portfolio.averysen.dev/release-health-dashboard-and-observability-rollout
Professional Summary
Work Experience
Software Engineer, Platform Reliability and Developer Experience
- Reduced median deployment time from 42 minutes to 18 minutes by redesigning CI job fan-out, caching package installs, and moving integration test fixtures into deterministic containers.
- Implemented a release health dashboard across 11 services using OpenTelemetry traces, structured logs, and Datadog monitors, cutting rollback decision time during incidents by 35%.
- Migrated the customer workspace shell from mixed JavaScript modules to strict TypeScript, closing 230 type gaps and reducing production null-reference errors in the area by 28% quarter over quarter.
Full Stack Engineer
- Designed and shipped patient intake workflows in Vue, Node.js, and PostgreSQL that supported 80K monthly submissions while preserving audit trails required by clinical operations.
- Improved largest-contentful-paint on the authenticated dashboard from 3.8s to 2.1s by splitting route bundles, trimming legacy chart dependencies, and deferring noncritical requests.
- Led a migration from nightly CSV imports to event-driven synchronization with retry queues, reducing support tickets for stale appointment data by 41%.
Junior Software Engineer
- Built reusable React components for inventory and fulfillment screens, helping the team retire three duplicated internal tools without disrupting warehouse workflows.
- Added contract tests around order status webhooks and payment reconciliation jobs, preventing recurring regressions that previously delayed weekly merchant payouts.
Education
Northumbria University
- Final-year project: offline-first maintenance planner for facilities teams using conflict resolution and audit logging.
Skills
Languages and frameworks
- TypeScript
- JavaScript
- Vue
- React
- Node.js
- Express
- GraphQL
Platform and data
- PostgreSQL
- Redis
- Docker
- AWS
- GitHub Actions
- OpenTelemetry
- Datadog
Practices
- Automated testing
- Accessibility reviews
- Observability
- Release management
- API design
Projects
Release Health Dashboard
- Designed service ownership views that helped engineering managers identify repeated alert sources during weekly operational reviews.
Form Load Performance Audit
- Profiled dynamic validation rules and reduced blocking JavaScript on high-traffic intake forms by 31KB after compression.
Certifications
AWS Certified Developer - Associate
Practical Web Accessibility
Additional Links
- Technical writing:averysen.dev/writing/ci-runtime-test-impact-analysis
- Open-source package docs:packages.averysen.dev/schema-diff-reporter/docs/configuration-and-ci-usage
Languages
- English - fluent
- Hindi - professional working proficiency
- Spanish - conversational
Awards
- Engineering Reliability Award, Latticewell Software, 2025 - recognized for reducing release risk across shared services.
- Accessibility Champion, Harborlane Health Systems, 2022 - documented review checklist adopted by three product squads.
Volunteer Experience
Mentor
- Review portfolios and practice projects for early-career developers, focusing on readable pull requests, testing habits, and accessible interfaces.