Lead developer

A1L Digital

📍 roodepoort, gauteng, South-Africa

Full-time Other-General Posted June 17, 2026

Job Description

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

Qualifications Proficiency in My SQL 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: abi...