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Fred Shepherd

Software Engineer · London, UK fmbshepherd@gmail.com
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Summary

Hi there, I'm a Software Engineer based in London.

I have spent most of the last 10 years working in Full Stack and Frontend roles across a range of industries, from music tech to renewable energy. This year I have been working on the API Team at SpaceXAI.

Selected Work Experience

SpaceXAI · Member of Technical Staff

March 2026 - October 2026
London
  • Worked on several high-traffic domains across grok.com & x.ai (10+ million DAU).
  • Built an agentic tool to validate and fix issues with API documentation, resolving 100 issues in its first month.
  • Led the re-implementation of several customer-facing pages on console.x.ai, focusing heavily on growth metrics, including the Imagine API Playground which saw a 30% increase in conversion.
  • Built a TUI for streamlined local development work, quickly being adopted by most of the company.

WeTravel · Senior Frontend Developer

Jan 2025 - Feb 2026
Amsterdam (Remote)
  • Led multiple initiatives relating to web security and performance, while working in a payments team responsible for processing over $1 billion per year. This included re-architecting the team-member permissions system to prevent client-side manipulation and addressing XSS vulnerabilities.
  • Championed various tech improvements, while developing my soft skills around prioritisation and dealing with the dynamics of larger teams. The most impactful being an initiative on Typescript error checking and the related CI/CD processes, which led an almost total reduction of runtime errors reported by Sentry.

Bractlet / Backpack · Senior Software Engineer

July 2020 - March 2024
Austin, TX (Remote)
  • Led the development of several complex product features such as a dynamic, interactive onboarding guide.
  • Mentored and onboarded new team members as the team scaled significantly post-acquisition.

Midas Consoles · Frontend Developer

January 2016 - October 2019
Manchester, UK
  • Began career in web development after self-teaching, with responsibilities including managing the frontend for the main client-facing web app (React) and developing internal tools (Electron).
  • Developed an innovative system for data synchronisation, which was used to perform the first ever cloud-syncing between Pro Audio mixing desks.
Side Projects

Thirty Plants · Solo Developer

thirtyplants.app
  • Cross-platform React Native app, initially built as a fun side project but which has grown to have 3000 MAU and a Play Store rating of 4.5 from 200+ reviews.

vibey energy · Solo Developer

energy.vibey.co.uk
  • Home energy dashboard for a solar + battery setup. Pulls live inverter, weather and tariff price data to plan when to charge, discharge and export, then scores each day against the alternatives: no battery, self-use only, or staying on the old tariff.
Education

MPhys - Physics & Astrophysics · 2:1

2010 - 2014
University of Manchester
  • Constructed simulations using C++ for two research projects: calculating optimal locations for Concentrating Solar Power plants using NASA data, based on weather conditions. And collaborating with the linguistics department to simulate language change in large populations.