Workflow Developer & Tester

Description Implement Temporal workflow activities in Go: HSS adapter, PCRF adapter, Inventory update. Build and validate unit tests for all workflow activities from day one. Build the Inventory Management Database: tables, indexes, partitioning for 30M records. Build bulk import tooling: CSV → ICCID/IMSI/MSISDN range ingestion from vendor. Implement REST API endpoints for Inventory DB (allocate, reserve, release, query SIM records). Write integration tests: workflow → mock NE → database assertions. Support Sr. Developer on all workflow development tasks — pair programming expected. End-to-end test suite: full provisioning flow from SIM activation to order closed. Load and stress testing: simulate peak TPS provisioning against all systems. Test automation: CI pipeline integration for all workflow and API tests. HSS sync integration: IMSI allocation state reflected in HSS (mock → real NE). MNP (number portability) hooks in Inventory DB. UAT support: reproduce bugs, write regression tests, validate fixes. Requirements Must Have 2–4 years backend software development in production environments. Go or Java — primary development language for this role is Go. Java accepted if strong fun…