Staff Software Engineer (Front-end)

Role overview Step into a senior individual contributor role at a connectivity platform that lets tech companies embed global telecom services into their products, bridging traditional carrier systems with modern software. You will shape technical direction across cross-team boundaries while continuing to ship production code, with the engineering organization actively scaling. The work spans distributed systems, multi-carrier integrations, operational excellence, and pushing forward where AI changes platform and engineering practice.

Responsibilities - Design and evolve cross-cutting architectures spanning event-driven systems, multi-carrier integrations, and multi-tenant platform patterns - Establish governance and review practices that keep these architectures coherent as the organization grows - Raise the bar on operational excellence across observability, SLOs, graceful degradation, incident response, and on-call culture - Identify and drive forward the places where AI changes platform and engineering practices - Mentor senior engineers and help shape the senior IC growth path - Ship production code and partner with engineering leadership on technical strategy

Requirements - Track record developing, running, and maintaining distributed systems and event-driven architectures at scale - Strong operational instincts, treating observability, failure modes, alerting, and graceful degradation as first-class concerns - Experience navigating and rationalizing polyglot environments - Hands-on experience with agentic AI development beyond code completion, with opinions on when AI is the right tool - Ability to drive technical outcomes across teams without direct authority, persuading through credibility and evidence - History of mentoring engineers, with specific examples of team improvements you enabled

Nice to have - Background in telecom, payments, or multi-market API platforms - Familiarity with React, TypeScript, Next.js, Ruby, or Go - Experience at companies scaling from roughly 50 to 200 engineers - Domain-driven design or platform and product boundary work

Benefits and work setup - Salary range of €125,000 to €150,000 - Stock options in the company - Home office or work setup stipend - Dedicated learning and development budget - Free phone and international data plan - Hybrid work with regular time in company hubs and occasional travel for team workshops, customer meetings, and biannual company offsites