Telecom Billing Software Engineer

1GLOBAL

. Build high-impact features and contribute to architecture design, focusing on resiliency, scalability, security and fault tolerance.

Posted 10/15/2026full-timeLisbon • PortugalMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in billing systems and mediation solutions within the telecom and utilities industries, with a strong focus on architecture design, scalability, and security. Proficient in Agile methodologies and effective communication, fostering collaboration and mentorship.

Highest-signal resume keywords

Billing Systems ExperienceMediation Systems KnowledgeREST API ProficiencyAgile MethodologyOracle BRM Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Billing SystemsMediation SystemsREST APIsRelational DatabasesSoftware DevelopmentCloud ServicesScalable Infrastructure

Soft Skills

Excellent CommunicationSelf-MotivatedAutonomous Mindset

Tools & Technologies

AmdocsCSGOracle BRMDigitalRoute MediationZoneGITCI/CD

Industry Keywords

TelecomUtilitiesBillingMediationArchitecture Design

Tech Stack

Tools & technologies

CloudOracle

About the role

Key responsibilities & impact

Build high-impact features and contribute to architecture design, focusing on resiliency, scalability, security and fault tolerance.
Advocate for high quality, readability and high test coverage.
Work with an Agile methodology.
Identify areas of improvement and promote them through seamless integrations.
Document solutions and new flows.
Mentor junior members when needed.
Contribute meaningful reviews.
Drive Mediation and Billing solution delivery and the full life-cycle of product lines.

Requirements

What you’ll need

Good understanding of billing in the telecom/utilities industries.
Proven experience with billing systems (e.g., Amdocs, CSG, Oracle BRM, ...); Oracle BRM experience is a plus.
Experience with mediation systems is a plus (e.g., DigitalRoute MediationZone).
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.
Excellent communication skills.
Fluent in English, both written and spoken.
Self-motivated and autonomous mindset.

Benefits

Comp & perks

Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% year-on-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: Collaborate daily with capable and renowned external advisors and talented, driven individuals.
Dynamic Work Environment: Collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
International Experience: Opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
Open Communication Culture: Supportive and transparent work environment where ideas are heard and open dialogue is encouraged.
Get Things Done Attitude: Results-driven team valuing efficiency, creativity, and tangible impact.
Equal opportunity employer with a collaborative, dynamic, and international work environment.