Lead Full-Stack Engineer

1GLOBAL is a technology-driven global mobile communications leader, built to help enterprises unlock the full potential of mobile connectivity at scale. Powered by a best-in-class telecom platform – including our own owned and operated global mobile core network, a full end-to-end eSIM technology stack, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide. Combined with our privileged access to the global wholesale telecom market, this positions us uniquely to deliver seamless, compliant, and scalable connectivity solutions anywhere in the world.

We serve many of the world's leading banks, enterprises, and digital-first businesses, including neo-banks, 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 exceeding US$200 million and profits of over US$25 million, we generate strong cash flows and fund our growth independently—continuously investing 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  telecommunications offerings.

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.

Position Overview

We are looking for a talented and experienced engineering leader to join our team and lead the development of software solutions with both front-end and back-end components. Your team will be responsible for delivering products that support internal operations and drive our market-facing initiatives. You'll be part of an international environment, working closely with cross-functional teams to shape and evolve our platform and digital experiences. We value teamwork and embrace a culture of ownership—our engineers are both autonomous and accountable for their deliverables. We are deeply customer-focused and committed to building software that creates real value for our users and the business.

Fluency in English is essential for this role. Please ensure your CV is submitted in English as part of your application.

Key Responsibilities

• Lead and mentor a team of engineers, providing technical guidance and career development support.
• Own the architecture and development of full-stack applications using React, , and
• Collaborate closely with product managers to translate requirements into actionable development tasks.
• Oversee CI/CD pipelines, ensuring smooth deployments and high system reliability.
• Design and implement scalable backend services leveraging AWS services.
• Drive best practices in coding standards, code reviews, and system architecture.
• Manage project timelines, prioritize tasks, and ensure on-time delivery.

Requirements

• Proven experience as a Full Stack Engineer or similar role, with at least 2 years in a team lead or management capacity.
• Strong expertise in TypeScript, React, , and
• Hands-on experience with AWS services (DocumentDB, Lambda, EKS, API Gateway, S3, etc.).
• Solid understanding of CI/CD pipelines, automated testing, and DevOps principles.
• Excellent problem-solving, communication, and leadership skills.
• Experience managing multiple projects simultaneously and working with cross-functional teams.
• Familiarity with containerization (Docker, Kubernetes) is a plus.
• A strong advocate for clean code, tests, scalability, and performance optimization.

Benefits

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.