Java Software Engineer job opportunity at 1GLOBAL.

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Date2026-03-09T12:13:19.784Z bot
1GLOBAL Java Software Engineer
Experience: 4-years
Pattern: Full-time
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degreeHigh School (S.S.C.E)
loacation Berlin, Germany
loacation Berlin....Germany

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 We are looking for a talented engineer to join our Consumer Group. You will join a development team responsible for the product delivery and in-life management of our B2C (betterroaming) and B2B2C (API powering Revolut, nordVPN, etc.) products. The talented team is eager to learn and experiment with new technologies. We value teamwork and embrace a culture of fully owning our deliverables, meaning we are both autonomous and accountable for them. About the Role Build high-impact features and contribute to the architecture design; aim towards resiliency, scalability, security and fault tolerance; Advocate for high code quality, readability and high tests coverage; Promote best practices for a high-scale web (or mobile) environment; Work with an Agile methodology; Identify areas of improvement in the codebase and promote them through seamless integrations, documenting solutions and new flows; Mentor junior members when needed and contribute with meaningful reviews. About You 3-4+ years of experience in Java software development; Experience with unit/integration/e2e testing (test-driven development is a plus); Proficiency with REST APIs, both in implementing and consuming the interfaces; Experience with development tools and processes (Git-flow, peer reviewing); Familiarity with relational databases, CI/CD flows, Git, Docker, and Kubernetes; Good 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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