Lead Developer

A1L Digital • Roodepoort, Gauteng, ZA

30+ days ago

Job description

Our client in the telecommunications sector is looking for a Lead Developer on a contract duration of 6 to 12 months.

Proficiency in MySQL DB and SQL queries - Strong in SQL operations including joins, subqueries, aggregates, window functions, and familiar with use of indexes and EXPLAIN plans.
Telecom Billing Domain knowledge - Familiarity with telecom billing and invoice generation processes, with a preference for hands‑on experience in managing billing or invoice generation modules. Familiar with sending PDF bills via email, print, and SMS notifications.
Bill Template Design - Familiarity with bill template or report designer tools; ability to define data sources and map them to elements within templates or reports.
Deploy & debug Docker based microservices - Experience with Docker‑based billing microservices, including deployment and configuration; skilled in monitoring and resolving issues in invoice generation workflows.
Soft skills - Problem‑solving: ability to debug and solve issues efficiently; collaboration: working effectively within a team using Git; experience with C/C++ or Node JS development; basic idea of Kafka and exposure to Redis cache; experience with AngularJS or Next JS or Java Spring Boot; 4+ years of relevant experience.

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