.Net Software Engineer

1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. 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.
With 2024 full-year revenue exceeding US$100 million and in line to exceed US$200 million in FY25, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL’s evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.
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.
Position OverviewYou 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.
Key Responsibilities
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 Agilemethodology;

Identify areasof 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.
Requirements
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 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 understandingof cloud services and scalable infrastructure;

Excellent communication skills (fluent in English, both written and spoken), with a self-motivated and autonomous mindset.
Why 1GLOBAL?
Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 100% year-on-year under the leadership of successful tech entrepreneurs.
Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals.
Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.
1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.
No agencies. We do not accept CVs from 3rd parties
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