Senior Java Software Engineer

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1GLOBAL is a
- driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a
-
- class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world's leading banks, corporations, and
- first businesses—including
- banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.

Position Overview

We are looking for a talented engineer to join our Consumer Group. You will join a development team responsible for the product delivery and
- life management of our B2C (betterroaming) and B2B2C (API powering Revolut, nord
VPN, etc. ) products. The talented team is eager to learn and experiment with new technologies. We value teamwork and embrace a culture of fully owning our deliverables, meaning we are both autonomous and accountable for them.

We are open to hiring candidates for this role in Warsaw, Poland, and Lisbon, Portugal.

Key Responsibilities

• Build
  - 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
  - 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

• 3-5+ 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), with a
  - motivated and autonomous mindset.

Benefits

• Growth Opportunities:Advance your career in one of the fastest growing telecommunications companies, expanding over 100%
  -
  - 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,
  - paced workplace where innovation is encouraged, and every contribution counts.
• Professional Development:Work alongside industry experts to enhance your skills and knowledge in a
  - 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 is encouraged, fostering a supportive and transparent work environment.
• Get Things Done Attitude:Be part of a
  - 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.