Mark Evans

Background

Senior engineer who ships complete systems (payments, auth, search, fulfillment, real-time messaging) and leads the teams that build them. Twelve years across web and distributed vehicle telemetry; currently day-to-day technical lead of an eight-person team, holding merge authority and running production for a marketplace heading to public launch. Phoenix, AZ.

Experience

2025 – present · Software Engineer · ISSO (SyberJet Aircraft) and Alpine Landing (uCollect)

Production
Cut the card-labeler's initial load, the OCR workflow's entry point, from 20–25 seconds to ~1 second: traced it to un-indexed 570k-row category scans and redesigned the query.
Leadership
Day-to-day technical lead on a cross-functional team of eight: primary reviewer and merge authority across every workstream.
AI and ML
Built the platform's first LLM backend; stood up and operate the self-hosted vLLM GPU inference host; contribute to and maintain the multi-model card-recognition pipeline.
Payments
Built USDC stablecoin deposits and withdrawals on a Stripe Connect platform, and the offers and negotiation system.
Security
Designed and shipped passwordless login with passkeys and WebAuthn end to end, and step-up 2FA for sensitive actions.
Fulfillment
Designed and shipped the returns program end to end, and built the EasyPost shipping integration.
Real-time
Built the platform's chat from scratch over ActionCable.
Avionics
Built an in-cabin avionics display proof-of-concept in Flutter targeting NXP i.MX 8 embedded Linux.

2020 – 2025 · Nikola Motor

Lead Engineer
Owned technical direction for a team of 8–10 engineers. Ran outsourced penetration testing and closed every medium- and high-severity finding.
Senior Engineer
Drove unit test coverage from ~40% to 90% in three months. Built over-the-air firmware update orchestration end to end.
Software Engineer
Core contributor on a telematics platform that grew from zero to ~7.8M requests and ~2.4B rows of time-series data per day.

2011 – 2020 · Earlier

Golden Mean Solutions
Software Developer: greenfield EdTech and eCommerce web applications.
American Red Cross
Engineer III: the Angular.js UI component library behind redcross.org and redcrossblood.org.
TeamSnap
Software Developer: microservices on RabbitMQ, and APIs serving mobile and web clients.
SmallBIT
Contract IT and web, self-employed, concurrent with the roles above.

Military

United States Navy
Air Traffic Controller, AC2 (AW). Facility Rated Approach Controller.

Skills

Stack

Primary
Ruby, Ruby on Rails, Hotwire, PostgreSQL, MySQL, JavaScript, Tailwind, REST API design, Git, Linux
Strong
Python, Go, Swift, Flutter, TimescaleDB, Redis, RabbitMQ, Docker, Kamal, Capistrano, GitHub Actions, AWS, Stripe, ActionCable
AI and ML
Multi-model OCR pipelines, LLM product features, agent orchestration, retrieval and memory, self-hosted GPU inference (vLLM on NVIDIA), local inference (MLX, Ollama), LLM eval harnesses
Security
Passkeys and WebAuthn, step-up 2FA, device fingerprinting, penetration-test remediation
Practices
Test strategy and coverage programs, flaky-test forensics, static analysis in CI, production incident response, stacked PR delivery, technical mentoring

Education

Degrees and training

M.S. Software Engineering
Regis University. 21 of 36 credit hours, 3.85 GPA.
B.A. Political Science
University of Colorado, 2013.
Full-Stack Development
Galvanize, 2014.
Tower and Radar
Control Tower Operator and Advanced Radar, Naval Aviation Technical Training Command.