Senior Backend Engineer
Own the sunset of a large PHP codebase and help build its TypeScript replacement. We’re a profitable, fast-growing SaaS ( 4.8★ customers , 4.9★ team ) transforming how people interact with the web.
What you’ll do
Draw the boundaries: Identify seams, design contracts (APIs/queues/adapters), and strangler-fig subsystems out of PHP
Keep it stable: Maintain a complex and beloved PHP 7.4 system in production
Build the replacement: Pair with our TypeScript team to implement new services, migrate data/flows, and retire PHP components
Our world
Tech: TypeScript, MySQL, Redis, AWS, Kubernetes, Temporal, GitHub, Grafana
AI helpers: Cursor, Claude Code, Codex
You’ll thrive if you
Have 5+ years backend experience with 3+ in PHP on large systems
Have shipped a migration or can show equivalent systems thinking
Are an exceptional debugger who can isolate root causes in unfamiliar code, use logs/profilers well, and land fixes with minimal guidance
Want to spend increasing time in TypeScript as PHP disappears
You might not love it if you
Want only greenfield work
Need perfect specs before you start
Prefer polishing code over retiring code
How we work
Ship often, own outcomes, debate ideas not egos, delete code that no longer serves us
Mentorship, pairing, and a clear path to TypeScript ownership post-cutover
Location & lifestyle
Hybrid – downtown Austin (Littlefield Building, 6th & Congress), 3 days/week, 24/7 parking, dog-friendly
Walkable to tacos, coffee, music, and Lady Bird Lake trails
Compensation & benefits
Competitive base, bonus/equity based on level
Top-spec MacBook Pro (M4+), private Health/Dental/Vision + wellness stipend, 401(k) match
20 days PTO + US holidays; flexible hours; weekly team lunches; monthly outings
Fine print
Must be eligible to work in the U.S. without sponsorship now or in the future
Average salary estimate
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