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This role is for one of the Weekday's clients Min Experience: 7 years JobType: full-time We are seeking experienced Telecom Software Engineers with a strong background in charging, rating, and billing systems to join a product-focused engineering team.
This role is critical to the development, maintenance, and modernization of high-availability telecom charging platforms , including legacy-to-cloud-native transformations.
You will work across the full product lifecycle—building new capabilities, maintaining mission-critical systems, and evolving existing platforms to modern cloud-based architectures.
Technical Environment Programming Languages C++ (primary and mandatory) Java, Python Platforms & Infrastructure Linux Kubernetes (K8s) Ansible OpenStack (for cloud-focused roles) DevOps & Tooling Jenkins Git CI/CD pipelines and developer tooling Telecom Domain Online Charging Systems (OCS) Rating & Billing systems Shared Logic Language (SLL) Open Roles & Focus AreasRole 1 & Role 3: Product Development & Maintenance (Dev & Care) End-to-end development, enhancement, and production support of telecom charging products Technologies: C++, Java, Python, Kubernetes, Jenkins Role 2: Cloud / Infrastructure Architect Design and manage cloud-native deployments and integrations Focus on OpenStack-based environments and Kubernetes orchestration Technologies: OpenStack, Kubernetes, Ansible, C++ Key Responsibilities Design, develop, and maintain large-scale telecom charging and billing systems Implement charging and rating logic using C++ and SLL Provide development and “care” support for high-availability, mission-critical platforms Automate deployments using Ansible and manage containerized services on Kubernetes (For cloud-focused role) Architect and manage deployments on OpenStack environments Ensure system performance, reliability, scalability, and fault tolerance Support modernization initiatives, including migration to cloud-native architectures Collaborate with cross-functional teams across product, operations, and infrastructure Mandatory Qualifications 7+ years of software engineering experience within the Telecom domain Expert-level proficiency in C++ Strong hands-on experience with Linux Solid understanding of Charging, Rating, and Billing workflows Experience working with Online Charging Systems (OCS) Exposure to Kubernetes, CI/CD pipelines, and DevOps practices Strong problem-solving skills and experience supporting high-availability systems Preferred Experience Hands-on experience with Nokia SurePay or similar charging platforms Experience using Shared Logic Language (SLL) OpenStack cloud deployment and integration experience Experience modernizing legacy telecom systems to cloud-native architectures Skills C++ · Linux · Telecom Charging & Billing · Online Charging Systems · Cloud Platforms · Kubernetes · Ansible · Jenkins · Git · Java · Python · DevOps · Shared Logic Language
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