About the role
We're looking for a senior full-stack engineer to own the rental and partner platform end-to-end. You'll work across Next.js, TypeScript, Postgres, and our Go backend. You'll ship features that ship to 30k+ users per day.
Responsibilities
- Own the rental flow front-end (web + app webviews).
- Build partner-facing dashboards for revenue, fleet, support.
- Co-design APIs with the Go platform team.
- Drive instrumentation, performance, and accessibility.
- Mentor mid-level engineers.
Requirements
- 5+ years building production web apps.
- Deep TypeScript + React. Bonus: Next.js App Router.
- Comfortable with SQL and reading Go.
- Track record of shipping consumer-facing features.
- EU work authorization.
Nice to have
- Experience with payment integrations (Stripe, Adyen).
- Mobility, retail, or marketplace background.
- Open-source contributions.
Hiring process
- 01Apply
Email + brief work sample
- 02Intro call
30-min with hiring manager
- 03Deep-dive
2h with team — paid trial possible
- 04Reference + offer
Within 7 days of final
Ready to apply?
Email jobs@sparqx.com — include CV, brief intro, and a work sample if relevant.