À propos du poste
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.RequirementsMust 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 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 responsibility, not an afterthought.- Git — branching, pull requests, code review participation.- Experience with event-driven architectures using RabbitMQ, Kafka, or Redis Pub/Sub.- Basic Kubernetes knowledge — understanding how your workloads are deployed.- Ability to work under technical direction of a senior lead and execute quickly.- Fluent English.Strong Advantage
- * Any workflow engine experience: Temporal, Camunda, Apache Airflow, AWS Step Functions.- * Telecom or BSS/OSS background — understanding of SIM lifecycle, provisioning, activation.- * Test framework experience: Go testing, Testify, mock frameworks.- * Load testing tools: k6, Locust, JMeter — running and interpreting results.- * Docker — building and running containerised services.- * Experience with event-sourced or append-only database patterns.Nice to Have
- Temporal.io SDK experience — even personal/side project counts.- Python — useful for scripting, test tooling, data processing.- Prometheus — understanding how to instrument code with metrics.- Telecom protocol familiarity: Diameter, SS7, SMPP.About WebbingFounded in early 2010, Webbing is a global data MVNO that delivers enterprise grade, global connectivity and IoT services across more than 200 countries and 600+ mobile carriers' networks. Webbing's secured network delivers network protection and web content intelligence.
Enterprise customers can manage, monitor, and optimize data usage in real-time with Webbing's powerful software platform. Gain visibility by application type and have the power to white list applications and limit non-business applications with the click of a button, saving money and improving compliance.
What we offer- Fully remote- An exciting and challenging greenfield platform with great skill and knowledge development opportunities.- The opportunity to join a team of highly professional specialists in an international environment.- The opportunity for professional development within a reputable international innovative and growing company.