About Stephen
English
Native or bilingual
Portuguese
Conversational
Experience
- CareerbookCTO & Co‑FounderMEDICALNovember 2025 - Today (7 months)London, United Kingdom● Designed and implemented the full MVP using React, TypeScript, Node.js and AWS.● Built secure multi‑tenant architecture with strong focus on performance, resilience and data protection.● Implemented CI/CD pipelines, automated testing, and IaC for reliable deployments.● Led technical roadmap, but remained hands‑on across frontend, backend, infrastructure and debugging.● Introduced LLM‑assisted workflows to increase development velocity and reduce cycle time.
- HelloSelfLead Full‑Stack DeveloperHEALTH AND WELLNESSOctober 2021 - November 2025 (4 years and 1 month)London, United KingdomLed the Therapy Management engineering team (3–6 engineers) while contributing heavily to core codebases. Developed and implemented an innovative new marketplace in mental health therapy treatment which allowed therapists to offer themselves to new patients via our platforms, which matching based on a wide variety of factors.
- 6point6Senior Front‑End DeveloperDIGITAL AND ITNovember 2020 - October 2021 (11 months)London, United Kingdom● Migrated AWS resource management from Amplify to Terraform, reducing deployment time by 3×.● Built Cognito‑integrated Lambdas (pre‑signup, post‑confirm, group assignment, custom email flows).● Implemented Lambda@Edge logic for multi‑branch environments.● Wrapped and integrated Companies House API for company‑number lookup.● Introduced Cypress and built full integration test coverage for core user flows.
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Education
- BAUniversity of OxfordBA