Streamlining global data connectivity
Workflow & Provisioning Lead
Location
Serbia
Posted
14 days ago
Salary
0
Seniority
Lead
Job Description
Workflow & Provisioning Lead
Webbing
Role Description - Deploy and configure Temporal/Camunda or similar Workflow Engine on Kubernetes (self-hosted, production-grade). - Design and implement SIM Activation workflow: activities for HSS, OCS, PCRF, Inventory update. - Implement SIM Deactivation workflow with compensation and rollback logic. - Implement Plan Change workflow (OCS quota update + PCRF policy change). - Design Inventory Management Database schema: ICCID, IMSI, MSISDN — 30M+ record scale. - Define workflow versioning strategy (Temporal GetVersion API or similar) — foundational for long-term stability. - Lead another developer on development tasks and code reviews from week one. - Order-triggered workflows: Order DB → Temporal/similar signal handler. - Network trigger handling: location updates → workflow signals via Kong API Gateway. - Retry policies, dead-letter handling, and alerting per workflow type. - Temporal production cluster operations and HPA configuration. - End-to-end integration testing, load testing, runbook authoring. - Post go-live hypercare and continuous improvement. Qualifications - 4–6 years backend software development experience. - Hands-on experience with a workflow orchestration engine. - Go or Java — must be comfortable building production services in at least one. - REST API design and implementation (designing APIs consumed by Kong API Gateway). - PostgreSQL — schema design, indexes, query optimisation for large datasets (10M+ rows). - BSS/OSS domain knowledge: provisioning flows, SIM lifecycle, telecom service activation. - Kubernetes — deploying and operating workloads on K8s (not just writing YAML). - Experience with event-driven architectures using RabbitMQ, Kafka, or Redis Pub/Sub. - Experience designing for failure: retry policies, idempotency, compensation logic, DLQ. - Ability to lead a junior/mid developer day-to-day. - Fluent English. Requirements - Direct Temporal.io production experience (SDK, worker configuration, namespace management). - Telecom network element experience: HSS, OCS, PCRF, SMSC interfaces. - Diameter protocol (Ro/Gy/Gx) — even basic familiarity is valuable. - Experience with mock-first development and contract testing. - Prometheus + Grafana — instrumenting and monitoring workflow engines. Benefits - Fully remote. - The opportunity for professional development within a reputable international innovative and growing company. - 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.
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