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Toby Retallick

Toby Retallick

Technical lead and senior full-stack engineer.

I am a technical lead and senior full-stack engineer with 12 years of consulting and contract experience in the UK and Australia. My clients include government, financial services, aviation, global e-commerce and startups.

I am looking for hands-on technical lead or senior engineer roles in product engineering, on any web stack. I prefer contract work, and I am open to fixed-term or permanent roles for the right organisation.

Skills

  • Languages: TypeScript, JavaScript, Ruby, SQL, Python. Earlier: Java, Scala, Clojure.
  • Front end: React, Next.js, Vite, Tailwind CSS, shadcn/ui and Radix, React Testing Library, Figma.
  • Back end: Node.js, NestJS, Ruby on Rails, Laravel, GraphQL and REST APIs, PostgreSQL, Supabase, Stripe.
  • Cloud and delivery: AWS, Azure, Vercel, Cloudflare Workers, Docker, Kubernetes, GitHub Actions, Jenkins.
  • Quality and operations: unit, integration and end-to-end testing, Datadog, Sentry, SonarQube, security and static-analysis scanning.
  • Practice: technical leadership, architecture, discovery, legacy modernisation, mentoring, pre-sales and estimation, AI-assisted engineering.

Education

  • Makers, Computer Software Engineering, 2014.
  • University of Canterbury, Graduate Diploma in Management.
  • University of Canterbury, Bachelor of Commerce in Marketing.

Experience

  1. Technical Principal, Technical Lead and Senior Software Engineer, Equal Experts

    Sep 2025 to present · Melbourne and remote

    Led a team stabilising a global student housing platform. Covered a super fund's member portal for five months. Did the technical research for a bid with a global energy software platform.

  2. Lead Engineer, Terem

    May 2025 to Sep 2025 · Sydney and remote

    Led engineering on a new flight scheduling front end for a major Australian airline, from design to first release.

  3. Technical Lead (part-time), Amador

    Apr 2025 to present · Sydney and remote

    Sole lead engineer on a live two-sided marketplace. Took an inherited prototype to production in about four months.

  4. Senior Software Developer, Department for Education

    Oct 2024 to Feb 2025 · London

    Rebuilt the Register Early Career Teachers service with Ruby on Rails and PostgreSQL.

  5. Senior Software Engineer, Mastercard

    Sep 2023 to Jan 2024 · London

    Helped build and release a new fraud detection UI. Built deployment pipelines and added security scans.

  6. Senior Engineer, Abcam (through Crosstide)

    Jan 2022 to Oct 2024 · Cambridge, UK

    Rebuilt the global e-commerce platform. Led the order tracking system. Launched in the US, Europe, China and Japan.

  7. Senior Software Developer, Department for Education

    Oct 2019 to Dec 2021 · London

    Built Find Postgraduate Teacher Training, Publish Postgraduate Teacher Training and Apply for Teacher Training.

  8. Senior Engineer, Trussle (through Crosstide)

    May 2019 to Oct 2019 · London

    Rebuilt the online mortgage application with TypeScript, React and Node.js.

  9. Senior Software Developer, Ministry of Justice

    Feb 2018 to May 2019 · London

    Developed the Prison Visits Booking Service and Offender Management in Custody.

  10. Software Developer, Government Digital Service

    Jul 2017 to Feb 2018 · London

    Helped rebuild data.gov.uk.

  11. Software Developer (Consultant), Codurance

    Sep 2014 to Aug 2017 · London

    Helped clients build quality software and adopt Extreme Programming practices.

Before 2014 I worked in marketing, communications and digital product. Read more about my background.