Telecom Billing Engineer job opportunity at 1GLOBAL.

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Date2026-03-03T20:27:29.617Z bot
1GLOBAL Telecom Billing Engineer
Experience: General
Pattern: Full-time
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degreeHigh School (S.S.C.E)
loacation Lisbon, Portugal
loacation Lisbon....Portugal

About Us 1GLOBAL  is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform – including its own owned and operated global mobile core network, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide. We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than  70 million people and devices globally , enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem. 1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding  US$200 million  and profits of over  US$25 million , we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. Recent years have marked a defining phase in our journey, with major enterprise and mass-consumer client wins accelerating our evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own  aspirations to offer telecommunications services to their clients. Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications . We operate as a fully regulated Mobile Virtual Network Operator (MVNO) in 12 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, our team of close to  500 experts across 15 countries  is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence. About the Team You will be part of an international team, driving the development of 1GLOBAL's billing system. We are looking for a talented developer and team player, capable of designing and implementing new services, maintaining existing components, and testing our applications. We are looking for someone with a strong track record in a role between product and technology teams at product-led growth companies. You will be part of a dynamic team driving the Mediation and Billing solution delivery and the full life-cycle of our product lines.  The team is located in Lisbon.   About the Role Build high-impact features and contribute to the architecture design; aim towards resiliency, scalability, security and fault tolerance; Advocate for high quality, readability and high tests coverage; Work with an Agile methodology; Identify areas of improvement and promote them through seamless integrations, documenting solutions and new flows; Mentor junior members when needed and contribute with meaningful reviews. About You Good understanding of billing in the telecom/utilities industries. Proven experience with billing systems (e.g., Amdocs, CSG, Oracle BRM, ...). Experience with Oracle BRM is a plus. Experience with mediation systems is a plus (e.g., DigitalRoute MediationZone). Proficiency with consuming REST APIs. Basic software development skills is a plus. Familiarity with relational databases, GIT and CI/CD flows. Basic understanding of cloud services and scalable infrastructure. Excellent communication skills (fluent in English, both written and spoken), with a self-motivated and autonomous mindset.

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