1GLOBAL

1GLOBAL is hiring a foundational Senior AI Engineer to build its central AI platform, governance layer, and internal AI capabilities. The role combines LLM integration, backend engineering, RAG pipelines, MCP servers, and production platform ownership.

Build high-impact .NET features for 1GLOBAL’s global connectivity platform, contributing to scalable architecture, code quality, testing, and full product delivery. This hybrid São Paulo role offers the opportunity to grow toward full-stack development in an international telecom technology company.

Build and evolve telecom mediation and billing services for 1GLOBAL’s global connectivity platform in Lisbon. The role combines feature development, architecture contributions, testing, integrations, and support for resilient, scalable billing systems.

Senior Java Software Engineer building scalable, resilient connectivity products for consumer and enterprise telecom customers. The role combines feature development, architecture contributions, quality practices, and mentoring in a hybrid Berlin team.

Backend Software Engineer responsible for building resilient, scalable services across 1GLOBAL’s Network API, xSIM Management System, and Recording Platforms. The role focuses on Go or Java backend development, distributed systems, observability, and high-performance telecommunications platforms.

Senior Site Reliability Engineer responsible for improving the stability, scalability, observability, and recovery of global cloud and on-premises infrastructure. The role focuses on carrier-grade reliability through automation, resilience testing, incident response, and SRE practices.

Build and maintain resilient backend systems powering 1GLOBAL’s Network API, xSIM Management System, and mobile compliance recording platforms. The role focuses on scalable distributed services, concurrency, APIs, databases, testing, and observability using Go or Java.

Build resilient, scalable backend systems powering global mobile connectivity, xSIM management, and compliance-recording platforms. This hybrid São Paulo role focuses on Go or Java, distributed systems, APIs, and reliable end-to-end delivery, with onboarding and training in Lisbon.