Our client in the telecommunications sector is looking for a Lead Developer on a contract duration of 6 to 12 months. Qualifications 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. Seniority Level Mid‑Senior level Employment Type Contract Job Function Information Technology Business Consulting and Services We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr