Primer.io
Primer builds a unified payments infrastructure for merchants, combining checkout, orchestration, routing, and analytics in a single platform. It sells to finance and payments teams at online businesses via a SaaS, transaction-based model, integrating multiple PSPs, payment methods, and risk tools through workflows and APIs. Founded in 2020 and headquartered in London, Primer is privately held and has raised Series C funding from investors including Accel, ICONIQ, Tencent, and Balderton.
Open Positions at Primer.io
3 open positions
Senior Solutions Engineer partnering with sales and merchants to design, demonstrate, and implement complex payment integrations from discovery through go-live. This fully remote role combines technical consulting, client engagement, and integration project ownership.
Security Engineer III focused on detecting, investigating, and responding to threats across Primer’s cloud infrastructure. The role combines SIEM detection engineering, incident response, security automation, and compliance support in a fully remote environment.
Own frontend projects end-to-end for Primer’s merchant-facing payment surfaces, checkout components, and account tooling. Lead frontend architecture, build performant accessible UI, and take responsibility for production quality and incident resolution in a fully remote team.