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About the Role
Build high-impact features and contribute to architecture design, focusing on resiliency, scalability, security, and fault tolerance. Advocate for high code quality, readability, and test coverage. Promote best practices for high-scale web or mobile environments. Work within an Agile methodology, identify areas for codebase improvement, and mentor junior members.
Responsibilities
- Build high-impact features
- Contribute to architecture design
- 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
- 5+ 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)
- Self-motivated and autonomous mindset
Skills
- Java
- REST APIs
- Git-flow
- Peer reviewing
- Relational databases
- CI/CD flows
- Git
- Docker
- Kubernetes
- Cloud services
- Scalable infrastructure
Location
- Lisbon
- Berlin
- São Paulo
Work Type
- Full-time
Experience Level
- 5+ years
Benefits
- Growth Opportunities
- Major Transaction Exposure
- Work with a Talented Team
- Dynamic Work Environment
- Professional Development
- International Experience
- Open Communication Culture
- Get Things Done Attitude
About the Company
- 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 with its own owned and operated global mobile core network in 15 countries, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses; 1GLOBAL operates as a fully regulated telecommunications provider across 43 countries worldwide.
- The company serves many of the world’s leading banks, multinational enterprises, global retailers and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers.
- Today, 1GLOBAL connects more than 80 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.
- In 2026 also the parent of the Lidl Group acquired a 10% interest in 1GLOBAL as part of a deal for Lidl to offer globally to its 180 million consumers communication services.
- Recent years have marked a defining phase in 1GLOBAL’s journey, with major enterprise and mass-consumer client wins accelerating its 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.
- It operates as a fully regulated Mobile Virtual Network Operator (MVNO) in 15 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, its team of close to 550 experts across 16 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence.
Equal Opportunity
- 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.