Telecom Billing Software Engineer

About the role

1GLOBAL, a global mobile communications provider founded in 2022, is looking for a Telecom Billing Software Engineer to join its international team in Lisbon. The team develops the company's billing system, delivering the Mediation and Billing solution and supporting the full life cycle of its product lines. The position is hybrid.

Key responsibilities

• Build high-impact features and contribute to architecture design, aiming for resiliency, scalability, security and fault tolerance.
• Promote high quality, readability and high test coverage.
• Work with an Agile methodology.
• Identify areas of improvement and promote them through seamless integrations, documenting solutions and new flows.
• Mentor junior members when needed and contribute to meaningful code reviews.

Required profile

• Good understanding of billing in the telecom and utilities industries.
• Proven experience with billing systems such as Amdocs, CSG or Oracle BRM; experience with mediation systems such as DigitalRoute MediationZone is a plus.
• Fluent English, written and spoken, with a self-motivated and autonomous mindset.

Required skills

• Proficiency with consuming REST APIs; basic software development skills are a plus.
• Familiarity with relational databases, Git and CI/CD flows.
• Basic understanding of cloud services and scalable infrastructure.

What we offer

• Growth opportunities in a fast-growing telecom company.
• Opportunities to work in different 1GLOBAL offices around the world.
• A collaborative, fast-paced environment with professional development alongside industry experts.