.NET Software Engineer

About Us

1GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide. Powered by a best-in-class telecom platform, proprietary eSIM technology, and its own mobile core network across 15 countries, 1GLOBAL operates as a fully regulated telecommunications provider in 43 countries.

Founded in 2022, 1GLOBAL has rapidly become one of Europe's fastest-growing telecom technology companies, connecting more than 80 million people and devices globally. Our customers include leading banks, multinational enterprises, global retailers, travel companies, payment service providers, and digital-first businesses.

Headquartered in the Netherlands, with R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 550 professionals across 16 countries. With annual revenues exceeding US$200 million and a strong track record of profitability, we continue to invest in innovation, infrastructure, and international expansion as we redefine the future of global mobile connectivity.

About the Team

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.

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

Requirements

About You

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), with a self-motivated and autonomous mindset.

Benefits

What We Offer?

CLT contract — enjoy job stability and reliable benefits that value your work

Quarterly performance bonuses to reward your hard work and achievements

Meal allowance paid into Caju card — R$100 per working day

Health insurance with SulAmérica — 50% covered by the company

Extended parental leave — 180 days of maternity leave and 20 days of paternity leave.

Daycare allowance provided to mothers with children under 3 years old — R$500 per month per child

Why 1GLOBAL?

Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% 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: