Workflow Developer & Tester
Description
DescriptionImplement 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.RequirementsMust Have2–4 years backend software development in production environments.Go or Java — primary development language for this role is Go.Java accepted if strong fundamentals and willing to work in Go (we will support the transition).REST API development — building APIs consumed by other services and tested by automated suites.PostgreSQL — table design, indexes, writing queries, understanding query plans .Unit and integration testing — writing tests is a first-class responsibilit --- Source: jobicy - Webbing
