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robinSenior Software Engineer

Robin White

Senior Software Engineer | Platform, AI Products & Web Systems
London, UK
07557525742 · robino@gmail.com · robinw.co.uk
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Summary

Senior software engineer with 6+ years of experience building and operating high-scale web platforms, developer infrastructure, search, and AI-enabled products. At Peloton, progressed from Software Engineer II to Senior Software Engineer across London and New York, setting technical direction across the web estate and shipping systems used by millions. Combines product-minded full-stack engineering with platform depth: performance, reliability, CI/CD, cloud cost, edge systems, retrieval, and agentic workflows. Led a 50+ application cloud migration, production search, and a ChatGPT app launched at OpenAI DevDay. Comfortable taking ambiguous, cross-team technical programmes from architectural direction through safe production delivery.

Work Experience
Peloton · Senior Software Engineer
Aug 2024 – Present
New York, USA
  • •Set technical direction for cross-application web-platform initiatives, aligning architecture, sequencing, and delivery across teams serving millions of users.
  • •Designed and shipped Peloton’s ChatGPT app using the OpenAI Apps SDK, including infrastructure for interactive widgets with 45–70 KB payloads and sub-500 ms tool responses; launched on stage at OpenAI DevDay.
  • •Architected a hybrid vector and keyword search service in Go for Peloton’s class catalogue, delivering sub-100 ms search results on Cloudflare infrastructure.
  • •Established reliability practices for web services: PagerDuty on-call, incident triage, blameless postmortems, Datadog RUM and Core Web Vitals monitoring, and Playwright/Jest quality gates for production deployments.
Peloton · Platform Software Engineer III
Jan 2024 – Aug 2024
New York, USA
  • •Led migration of 50+ production web applications from Netlify to Vercel and Cloudflare, covering capacity planning, commercial evaluation, build-pipeline migration, DNS cutovers, and performance validation; completed with zero customer-facing downtime and reduced annual infrastructure cost by more than $260,000.
  • •Established reusable web architecture patterns for server-side rendering, edge caching, application isolation, and deployment that now underpin Peloton’s web properties.
  • •Built LLM/RAG-powered change agents to automate dependency upgrades, migration work, and circular-dependency removal across a 9m-line monorepo spanning 23+ applications.
  • •Stood up performance and regression monitoring with Datadog RUM, Core Web Vitals, and Playwright, with alerting thresholds that catch degradations before they reach production.
Peloton · Software Engineer III / Tech Lead
Mar 2023 – Jan 2024
London, UK
  • •Led the technical design for making 40,000+ classes publicly discoverable, including an ISR pipeline for 200,000+ static pages with on-demand invalidation and protection for internal services during traffic spikes.
  • •Improved the organisation’s unit-test and coverage pipeline, reducing test execution time by 56% and coverage-calculation time by 74%.
Peloton · Software Engineer II
Nov 2021 – Mar 2023
London, UK
  • •Rebuilt CI execution using dynamic GitHub Actions job scheduling, reducing cost per pull request by 93% and median pipeline duration by 60%.
  • •Designed Kotlin/Spring microservices as part of a migration from a Python monolith, defining service boundaries, APIs, and deployment strategy.
Phantom · Developer
Aug 2020 – Nov 2021
London, UK
  • •Delivered web and platform projects for Google, Sony, the Financial Times, and Zendesk using React, Angular, Python, and Bazel.
  • •Built three products inside Google’s monorepo, working within large-scale build, dependency-management, and engineering-standard environments.
  • •Delivered client-facing systems from implementation through production, adapting quickly across product, frontend, and platform requirements.
Zebra Technologies · UX Developer Intern
2018 – 2019
London, UK
  • •Built a Unity/C# virtual-reality application for the NFL, presented at Zebra Technologies’ annual sales conference, and developed Android applications for industrial mobile devices.
Technical Skills
Core: TypeScript, React, Next.js, Node.js, Python, Go, Kotlin, SQL
AI & Search: OpenAI and Anthropic APIs, MCP, RAG, vector search, hybrid retrieval, agent orchestration
Platform & Cloud: Cloudflare Workers, KV, R2, Hyperdrive, Vercel, AWS, Kubernetes, serverless systems
Backend & Data: PostgreSQL, REST APIs, Kotlin/Spring microservices, distributed-system design
Reliability & Delivery: GitHub Actions, CI/CD, Bazel, PagerDuty, Datadog RUM, Core Web Vitals, Playwright, Jest
Additional: Preact, Electron, C#, Unity, Angular
Education
Harvard University (HarvardX)
CS50 Artificial Intelligence & Machine Learning | Jun 2026 – Sep 2026 | Grade: Ongoing
University of East Anglia
BSc Computer Science with a Year in Industry | 2:1
West Suffolk College
Extended Diploma in Computer Science | Triple Distinction Star (A*, A*, A*)