Senior Frontend Software Engineer - React & Next.JS
1GLOBALLisbon, Portugal • Masovian Voivodeship, Poland • Berlin, Germany • São Paulo, Brazil
Posted September 22, 2025
Full Time
About the Company
WE’RE ON A MISSION TO CONNECT THE WORLD SEAMLESSLY That’s why we aim to enable more connections than anyone else and why we’ve been pioneering the eSIM revolution from the very beginning. From international enterprises and consumers to IOT device makers and Telecommunications operators, our global network and connectivity solutions enable people, devices and networks to connect anywhere, instantly, with one platform to connect billions. Headquartered in the UK and with offices across four continents, we’ve invested over £550 million in building our unique proposition and becoming one of the world’s leading innovators in eSIM, cloud and digital solutions. As a result, we’ve become a leading technology company and eSIM trailblazer that’s trusted by thousands of international businesses across hundreds of countries, including global brands, powerhouse network providers and leading banks and financial institutions. One truly global network. One global supplier. One complete solution that revolutionises the world of connectivity and connects people, devices and networks seamlessly all around the world. Because we believe that the better the world communicates, the better the world.
Job Description
1GLOBAL is seeking a Senior Frontend Software Engineer to join their international team, focused on developing their eSIM platform and IoT solutions. The role involves developing and maintaining web applications, ensuring a great user experience and optimal performance. The company is a leading telecommunications provider dedicated to empowering enterprises and expanding into emerging markets.
Requirements
- Solid experience in frontend development with React and Next.js
- Proficiency in HTML, CSS, JavaScript and TypeScript
- Experience with CSS frameworks such as Tailwind
- Knowledge of testing frameworks such as Jest or React Testing Library
- Experience with responsive design
- Knowledge of RESTful APIs
- Knowledge of modern frontend build tools and workflows
- Ability to troubleshoot and resolve bugs
- Ability to work independently and as part of a team
- Excellent communication skills
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
