22 hours ago
Berlin, Germany or Lisbon, PortugalSenior
Responsibilities
- Develop and maintain internal developer tools in Go.
- Own metrics, logs, alerts, dashboards, and observability improvements across the platform.
- Build and maintain GitLab CI pipelines, shared templates, includes, runners, and pipeline security.
- Run Argo CD and GitOps workflows across environments and help migrate remaining deployments.
- Write Crossplane Compositions on top of XRDs.
- Manage APIs, OAuth2 clients, and the Governance API.
- Help shape and improve the internal developer platform.
- Create documentation, feedback loops, and adoption practices for engineering users.
- Mentor engineers and contribute to design documents and technical trade-off decisions.
Requirements
- At least 5 years of experience in DevOps, infrastructure, or platform engineering, including production-system ownership and on-call work.
- Production experience using Go as the primary programming language, including tested code, releases, CLIs, or services.
- Strong observability experience with Grafana, Prometheus, Thanos, Loki, Tempo, Pyroscope, and trusted alerting.
- Experience operating GitLab CI at scale, including shared templates, includes, runners, and pipeline security.
- Experience with Helm, Kustomize, Linux, and Kubernetes workloads, including CRDs and deployment debugging.
- Solid fundamentals in compute, networking, and storage.
- Fluent written and spoken English, with an English CV requested.
- Experience writing design documents, evaluating trade-offs, mentoring engineers, and supporting developer adoption.
- Preferred experience with OpenTelemetry, Jaeger, Argo CD, GitOps, ApplicationSets, OAuth2/OIDC, JWTs, API management, Python, Crossplane Compositions, Docker multi-stage builds, kubebuilder/controller-runtime, and REST API design.
Benefits
- Hybrid work arrangement in Lisbon or Berlin.
- Career growth and professional development opportunities in a rapidly growing telecommunications technology company.
- Opportunities to work with industry experts, talented colleagues, founders, senior leaders, and external advisors.
- International experience and opportunities to work from 1GLOBAL offices worldwide.
- Collaborative, dynamic, international, and open communication culture.
- Exposure to major transactions affecting the telecommunications industry.
About 1GLOBAL
1GLOBAL provides eSIM-based mobile connectivity and an owned global core network for enterprises, consumers, and IoT device makers, sold via subscriptions and wholesale/MVNO services. The privately held company operates as a regulated telecom provider across 40 countries, including MVNO operations in 12 markets, and offers APIs to embed mobile service into brands and apps. Founded in 2022 by Hakan Koç and Pyrros Koussios, it is headquartered in Amsterdam.