A technology-driven global mobile communications provider delivering seamless compliance and connectivity solutions, serving leading banks, corporations, and digital-first businesses.

1GLOBAL, a rapidly growing technology-driven global mobile communications provider, is seeking a Senior Frontend Software Engineer to join their international team. The company, established in 2022, has achieved remarkable success with 2024 revenue exceeding US$100 million and serves over 43 million devices globally. As a regulated MVNO in nine countries and telecommunications operator in 31 countries, 1GLOBAL is at the forefront of digital transformation in global telecommunications.

The role involves developing and maintaining the company's eSIM platform, including consumer and IoT solutions. You'll be working with React and Next.js, collaborating closely with design and backend teams to create high-performance web applications. The position offers the opportunity to work in either Lisbon, Portugal, or Warsaw, Poland, within a diverse, international environment.

Key responsibilities include developing user features, creating intuitive interfaces, optimizing application performance, and maintaining code quality through regular reviews. The ideal candidate should have strong experience with React, Next.js, and modern frontend technologies, including TypeScript and testing frameworks.

1GLOBAL offers an exceptional growth environment, exposure to major industry transactions, and the chance to work alongside talented professionals and industry experts. The company values innovation, efficiency, and maintains an open communication culture. With its continued expansion and focus on technological advancement, this role presents an excellent opportunity for professional growth in the telecommunications sector.

Senior Frontend Software Engineer position at 1GLOBAL, focusing on React & Next.js development for eSIM platform, based in Warsaw or Lisbon.

Senior Frontend Software Engineer - React & Next.JS

1GLOBAL is seeking a Java Software Engineer to join their technology team in either Lisbon, Portugal or Berlin, Germany. This is a full-time, on-site position that requires strong Java development expertise and fluency in English.

The role is designed for experienced Java developers who can contribute to the company's backend systems and technological infrastructure. The position demands someone who can work effectively in an international environment, as evidenced by the English language requirement.

This is an exciting opportunity for developers who want to work in either of two major European tech hubs - Lisbon or Berlin. The company offers a structured application process and appears to value clear communication and technical expertise.

Key aspects of the role include:
- Full-time position in the Technology department
- On-site work arrangement in either Lisbon or Berlin
- Focus on Java software development
- International work environment
- Professional development in a global company

The ideal candidate will have:
- Proven experience in Java software development
- Strong English language skills
- Legal authorization to work in either Portugal or Germany
- Ability to work in an on-site capacity
- Professional approach to software development

This role represents an opportunity to join a global company that appears to be expanding its technical capabilities across multiple European locations. The position would suit developers looking for stability and growth in their career while working with Java technologies in an international setting.

Java Software Engineer position at 1GLOBAL, available in Lisbon and Berlin, focusing on backend development with Java technology stack.

Java Software Engineer

1GLOBAL is a rapidly growing technology-driven global mobile communications provider that's revolutionizing the telecommunications industry. With 2024 revenue exceeding $100 million and operations across 40 countries, they're seeking a Java Software Engineer to join their Consumer Group.

The role offers an exciting opportunity to work on B2C (betterroaming) and B2B2C products, powering solutions for major clients like Revolut and nordVPN. As a Java Software Engineer, you'll be responsible for building high-impact features, contributing to architecture design, and ensuring code quality and testing standards.

The position requires 3+ years of Java development experience, with expertise in REST APIs, testing, and modern development tools. You'll work with cloud services, Docker, Kubernetes, and maintain scalable infrastructure. The role demands excellent communication skills and a self-motivated attitude.

1GLOBAL offers a dynamic, international work environment with offices in Lisbon, Berlin, and São Paulo. The company values professional growth, offering exposure to industry-leading projects and the chance to work with talented professionals. Benefits include international work opportunities, professional development, and a culture that encourages innovation and open communication.

The company is led by experienced tech entrepreneurs and has evolved from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse. With over 450 experts across 13 countries, 1GLOBAL provides an excellent opportunity for career growth in a rapidly expanding sector.

Java Software Engineer position at 1GLOBAL, building high-impact features for B2C and B2B2C products with 3+ years experience required.

1GLOBAL is seeking a DevOps Engineer to join their team in a hybrid work arrangement based in São Paulo, Brazil. This role combines traditional infrastructure management with modern cloud technologies, requiring expertise in both on-premises and cloud environments. The position demands strong technical skills in DevOps practices, cloud platforms (AWS, Azure, or Google Cloud), and programming languages such as Go, Python, and Bash.

The ideal candidate will be responsible for managing and optimizing the company's infrastructure, implementing automation solutions, and ensuring seamless integration between on-premises and cloud services. This role requires excellent communication skills, with English fluency being a mandatory requirement, enabling effective collaboration with international teams and stakeholders.

The position offers a hybrid work model, allowing for both remote work and in-office collaboration at the São Paulo (Pinheiros) location. This setup provides the flexibility of modern work arrangements while maintaining direct interaction with team members when needed.

As a DevOps Engineer at 1GLOBAL, you'll be part of a technology-driven organization where you can apply and expand your expertise in cloud technologies, infrastructure management, and automation. The role presents opportunities to work with modern tools and technologies while contributing to the company's technological advancement and growth.

DevOps Engineer position at 1GLOBAL, focusing on cloud platforms and infrastructure management with programming skills in Go, Python, and Bash.

DevOps Engineer

1GLOBAL is seeking a Senior Infrastructure & DevOps Engineer to join their technology team in Lisbon, Portugal. This role focuses on private cloud infrastructure and automation, requiring a skilled professional with extensive experience in modern DevOps practices and tools.

The position demands expertise in several critical areas of infrastructure and automation. The successful candidate will work with virtualization technologies, manage Kubernetes clusters in on-premise environments, and implement Infrastructure as Code solutions using tools like Terraform and Ansible. Strong knowledge of Red Hat Linux is essential, as is experience with CI/CD pipelines.

This is an on-site position in Lisbon, requiring candidates who are eligible to work in Portugal without visa sponsorship. The role offers an opportunity to work with cutting-edge technologies in private cloud environments, making it ideal for DevOps engineers who enjoy working with complex infrastructure setups and automation challenges.

The position requires strong communication skills, with English fluency being mandatory. This suggests a collaborative environment where clear communication and documentation are valued. As a senior role, you'll likely be involved in architectural decisions and best practices implementation for the organization's infrastructure.

This role would be particularly appealing to experienced DevOps engineers who are passionate about infrastructure automation, container orchestration, and building robust, scalable systems. The focus on private cloud infrastructure suggests work on business-critical systems requiring high reliability and security standards.

Senior DevOps Engineer position focused on private cloud infrastructure and automation, requiring expertise in Kubernetes, Infrastructure as Code, and Linux systems.

Senior Infrastructure & DevOps Engineer (Private Cloud & Automation)

1GLOBAL is seeking a Golang Software Engineer to join their team in a hybrid work arrangement in São Paulo, Brazil. This role requires strong proficiency in Golang development and fluency in English. The position offers a flexible work schedule with 3 days per week in the Pinheiros office. As a Golang Software Engineer, you'll be part of the Technology department, contributing to the company's backend development initiatives. This is a full-time position that combines the benefits of remote work with in-person collaboration, allowing for both flexibility and team interaction. The role requires technical expertise in Golang and the ability to work effectively in an international environment, making English language skills essential. Join 1GLOBAL to be part of a dynamic team working on challenging technical projects while enjoying the balance of hybrid work arrangements.

Golang Software Engineer position at 1GLOBAL in São Paulo, offering hybrid work arrangement with focus on backend development and requiring English fluency.

Golang Software Engineer

1GLOBAL is seeking a Golang Software Engineer to join their team in a hybrid work arrangement in São Paulo, Brazil. The position requires the candidate to work from the Pinheiro's office three days per week. The ideal candidate should be fluent in English, both written and spoken, and have experience with Golang development. This role is part of the Technology department and is a full-time position. The company values technical expertise in Golang and additional programming languages. This position offers an opportunity to work with a global company while being based in one of Brazil's most dynamic tech hubs. The role combines the flexibility of partial remote work with in-office collaboration, providing a balanced work environment for professional growth and development in software engineering.

Golang Software Engineer position at 1GLOBAL in São Paulo, offering hybrid work arrangement with focus on backend development using Go.

A technology-driven global mobile communications provider delivering seamless compliance and connectivity solutions, connecting over 43 million devices globally.

1GLOBAL, a rapidly growing technology-driven global mobile communications provider, is seeking a Golang Software Engineer to join their international team. The role focuses on developing and maintaining the company's entitlement server platform, which manages millions of subscriber profiles worldwide. With 2024 revenue exceeding $100M and operations across 40+ countries, 1GLOBAL offers a unique opportunity to work on high-impact projects in the telecommunications sector.

The position is based in São Paulo, Brazil, with initial onboarding and training in Lisbon, Portugal. As a Golang Software Engineer, you'll be responsible for designing and implementing new services, maintaining existing components, and ensuring high code quality and test coverage. The role requires expertise in Golang, REST APIs, and modern cloud infrastructure tools like Docker and Kubernetes.

The ideal candidate brings 2+ years of software development experience, strong testing capabilities, and excellent English communication skills. You'll work in a collaborative, international environment with opportunities for growth and mentorship. 1GLOBAL offers a dynamic workplace where innovation is encouraged, providing exposure to cutting-edge telecommunications technology and the chance to work alongside industry experts.

The company's impressive growth trajectory, expanding over 40% year-on-year under successful tech entrepreneurs, promises excellent career advancement opportunities. You'll be part of a team serving world-leading banks, corporations, and digital-first businesses, making a tangible impact on global connectivity solutions.

Join 1GLOBAL as a Golang Software Engineer in São Paulo, developing their entitlement server platform and working with an international team in a rapidly growing telecommunications company.

1GLOBAL is seeking a Backend Software Engineer with expertise in either Golang or Java to join their team in São Paulo, Brazil. This is a hybrid position requiring 3 days per week in the Pinheiros office, offering an opportunity to work with modern backend technologies in a professional environment.

The role demands strong programming skills specifically in Golang or Java, and the ability to communicate effectively in English is essential as it's a requirement for the position. This indicates the company likely has an international presence or works with global clients.

As a Backend Software Engineer, you'll be part of the Technology department, working full-time to develop and maintain backend systems. The position appears to be structured to provide a balance between remote work flexibility and in-office collaboration, with the hybrid model requiring 3 days per week in the office.

The company values language skills and technical expertise, suggesting a professional environment focused on quality and communication. This role would be ideal for a developer who is comfortable with backend development, has experience with either Golang or Java, and is looking for a position that combines the benefits of remote work with in-person collaboration.

The location in São Paulo, specifically in the Pinheiros area, places you in one of Brazil's most dynamic tech hubs, offering excellent opportunities for professional growth and networking in the technology sector. This position would be particularly appealing to developers who appreciate a balanced work arrangement and want to be part of a company with global reach while working from one of South America's most vibrant cities.

Backend Software Engineer position at 1GLOBAL, working with Golang or Java in a hybrid work environment in São Paulo, Brazil.

Backend Software Engineer - Golang or Java

1GLOBAL is seeking a Backend Software Engineer with expertise in Golang or Java to join their technology team in Lisbon, Portugal. This role offers an opportunity to work with a global technology company, contributing to their backend systems and infrastructure. The position requires strong programming skills in either Golang or Java, with the ability to work in a professional environment requiring English fluency. The role operates on a hybrid work model, demonstrating the company's commitment to flexible working arrangements while maintaining team collaboration. This position would be ideal for a mid-level developer looking to grow their career in a global technology company while being based in one of Europe's most vibrant tech hubs. The role combines technical expertise with professional development opportunities, making it an attractive position for engineers looking to make an impact in a growing organization. The position offers the chance to work on significant backend systems while being part of an international team, providing exposure to global best practices and modern development methodologies.

Backend Software Engineer position at 1GLOBAL, focusing on Golang or Java development, based in Lisbon, Portugal.

1GLOBAL, a rapidly growing technology-driven global mobile communications provider, is seeking a Middle DevOps Engineer to join their Technology Department in Lisbon, Portugal. With over 400 experts across 13 countries and R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL is transforming the global telecommunications market. The company serves leading banks, corporations, and digital-first businesses, connecting over 43 million devices globally.

As a DevOps Engineer, you'll be responsible for designing, deploying, and managing runtime infrastructure, ensuring security, scalability, and cost-efficiency. The role involves working with cutting-edge technologies including AWS, Kubernetes, and various monitoring tools. You'll be instrumental in implementing container orchestration, maintaining multi-account AWS setups, and automating processes to improve efficiency.

The ideal candidate brings 3+ years of DevOps experience, strong expertise in AWS services, containerization, and infrastructure as code. You'll need proficiency in programming languages like Go and Python, along with experience in monitoring tools and security best practices. This role offers exposure to major industry transactions, professional growth opportunities, and collaboration with talented individuals in a dynamic, international environment.

1GLOBAL's culture emphasizes innovation, open communication, and results-driven approach. The company is experiencing significant growth, with 2024 revenue exceeding US$100 million, making this an exciting opportunity for career advancement in the telecommunications sector.

Mid-level DevOps Engineer position at 1GLOBAL in Lisbon, focusing on cloud and on-prem infrastructure management, requiring 3+ years of experience with AWS, Kubernetes, and automation tools.

Technology-driven global mobile communications provider delivering seamless compliance and connectivity solutions, connecting over 43 million devices globally.

1GLOBAL, a rapidly growing technology-driven global mobile communications provider, is seeking a Senior Java Software Engineer to join their Consumer Group. The role is based in São Paulo, Brazil, with a hybrid work arrangement. The company, established in 2022, has shown impressive growth with 2024 revenue exceeding US$100 million and serves over 43 million devices globally.

The position offers an exciting opportunity to work on B2C (betterroaming) and B2B2C products, developing solutions for major clients including Revolut and NordVPN. The successful candidate will receive initial onboarding and training in Lisbon, Portugal, providing a unique international exposure.

As a Senior Java Software Engineer, you'll be responsible for building high-impact features, contributing to architecture design, and ensuring code quality and testing standards. The role requires expertise in Java development, REST APIs, and modern cloud infrastructure tools like Docker and Kubernetes.

The company offers a dynamic work environment with significant growth opportunities, exposure to major industry transactions, and the chance to work alongside industry experts. With R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL provides a truly international work experience and the opportunity to make a meaningful impact in the telecommunications industry.

This is an ideal position for an experienced Java developer looking to work with cutting-edge technology while contributing to the transformation of global telecommunications. The role combines technical leadership with mentoring opportunities, making it perfect for someone who enjoys both technical challenges and team collaboration.

Senior Java Software Engineer position at 1GLOBAL, developing B2C and B2B2C products in São Paulo, Brazil. 5+ years experience required, hybrid work model.

Senior Java Software Engineer

A dynamic telecommunications and technology company providing regulated voice, data, and SMS services across 42 countries, pioneering eSIM revolution.

1GLOBAL is a dynamic telecommunications and technology company at the intersection of telecommunications and technology. Founded by visionary entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a private company with over $100 million in revenue, serving financial institutions, mobile network operators, and consumers across 42 countries. The company specializes in regulated voice, data, and SMS services, and is pioneering the eSIM revolution alongside partners like Apple, Palo Alto Networks, and Google, serving prestigious clients including Goldman Sachs, JP Morgan, Revolut, Netflix, and Tesla.

The Senior Frontend Software Engineer role offers an exciting opportunity to join their new Technology Hub in São Paulo, Brazil. The position requires expertise in React and Next.js, focusing on developing and maintaining web applications while ensuring excellent user experience and high performance. The role involves close collaboration with design and backend teams to implement features and optimize applications for maximum speed and scalability.

The ideal candidate will have strong technical skills in frontend development, including proficiency in React, Next.js, TypeScript, and modern web technologies. They should be experienced in responsive design, RESTful APIs, and testing frameworks. The position offers significant growth opportunities in a rapidly expanding company, exposure to global projects, and a dynamic, multicultural work environment.

Benefits include a comprehensive onboarding program in Lisbon, Portugal, professional development opportunities, and the chance to work on transformative telecommunications projects. The company values diversity and inclusion, creating an environment where different perspectives are welcomed and celebrated.

Senior Frontend Software Engineer position at 1GLOBAL, focusing on React and Next.js development in a global telecommunications company, offering hybrid work in São Paulo.

1GLOBAL is a dynamic telecommunications and technology company at the intersection of telecommunications and technology. Founded by visionary entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL has grown to generate over $100 million in revenue while maintaining independence and sustainable growth. The company operates in 42 countries, providing regulated voice, data, and SMS services to financial institutions, mobile network operators, and consumers.

As a Senior Frontend Software Engineer, you'll join their new Technology Hub in São Paulo, Brazil, working on developing and maintaining web applications using React and Next.js. You'll be responsible for creating intuitive user interfaces, optimizing application performance, and collaborating with cross-functional teams to deliver high-quality solutions.

The role offers an exciting opportunity to work in a multicultural environment with exposure to global projects and cutting-edge technologies. You'll be part of a team that partners with industry leaders like Apple, Palo Alto Networks, and Google, serving prestigious clients including Goldman Sachs, JP Morgan, Revolut, Netflix, and Tesla.

The position comes with comprehensive benefits, including professional development opportunities, a dynamic work environment, and an onboarding program in Lisbon, Portugal. 1GLOBAL values diversity and inclusion, fostering an environment where different perspectives are welcomed and celebrated. If you're passionate about frontend development and want to contribute to transforming the telecommunications industry through technology, this role offers an excellent opportunity to make a significant impact while growing your career.

Senior Frontend Software Engineer position at 1GLOBAL, focusing on React & Next.js development in São Paulo, Brazil. Join a growing telecommunications technology company with global impact.

1GLOBAL Engineering Jobs

A technology-driven global mobile communications provider delivering seamless compliance and connectivity solutions, serving leading banks, corporations, and digital-first businesses.