Billing Software Engineer — Global Telco, Growth & Impact

1global; Porto; On-site; EUR 60,000 - 90,000; Full time

Job summary

1GLOBAL is a technology-driven global mobile connectivity provider, with R&D hubs in Lisbon and a team focused on Mediation and Billing. We seek a talented developer to design and implement new services, maintain existing components, and test our applications.

You will work in an international team, collaborate with product and tech peers, and drive scalable, secure billing solutions while contributing to architecture decisions and code quality in an Agile environment.

Qualifications

• Good understanding of billing in telecom/utilities industries.
• Proven experience with billing systems (e.g., Amdocs, CSG, Oracle BRM, …). Experience with Oracle BRM is a plus.
• Experience with mediation systems is a plus (e.g., DigitalRoute MediationZone).
• Proficiency with consuming REST APIs. Basic software development skills is a plus.
• Familiarity with relational databases, GIT and CI/CD flows.
• Basic understanding of cloud services and scalable infrastructure.
• Excellent communication skills (fluent in English)

Responsibilities

• Build high-impact features and contribute to the architecture design; aim towards resiliency, scalability, security and fault tolerance.
• Advocate for high quality, readability and high tests 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 with meaningful reviews.

Skills

Billing in telecom/utilities

REST API consumption

Relational databases

GIT and CI/CD

English communication

Tools

Oracle BRM

DigitalRoute MediationZone

REST API tooling

Job description

1GLOBAL is a technology-driven global mobile connectivity provider, with R&D hubs in Lisbon and a team focused on Mediation and Billing. We seek a talented developer to design and implement new services, maintain existing components, and test our applications.

You will work in an international team, collaborate with product and tech peers, and drive scalable, secure billing solutions while contributing to architecture decisions and code quality in an Agile environment.