.NET Software Engineer

Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator (“MVNO”) in ten countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 450 experts across 15 countries. Serving the world’s leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.

You will be part of a dynamic full-stack development team driving the core delivery and full life-cycle of our product lines. We are seeking a driven and intelligent individual with a proven history of bridging product and technology teams at product-led growth companies.

• 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.

• Strong knowledge and experience in the development of .NET applications;
• Knowledge of Golang and Java is a plus;
• Aspiration to become a full-stack developer;
• Experience in React/Javascript/Typescript is a plus;
• Experience with unit/integration/e2e testing (test driven development is a plus);
• Proficiency with REST APIs, both in implementing and consuming the interfaces;
• Familiarity with relational databases, CI/CD flows, Git, Docker, and Kubernetes;
• Familiarity with development tools and processes (Git-flow, peer reviewing);
• Good understanding of cloud services and scalable infrastructure;
• Excellent communication skills (fluent in English, both written and spoken)