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Workflow & Provisioning Lead
LeadremoteRemote: Serbia; UTC+1, RS2d ago
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📊 DevOps / SRE: salaries and demand on the marketStack
Details
- Experience
- 4+ years
- English
- C1, required
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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.
- nd-to-end integration testing, load testing, runbook authoring.
- Post go-live hypercare and continuous improvement.
Requirements
Must Have
4–6 years backend software development experience. Required: Hands-on experience with a workflow orchestration engine.
- Temporal.io strongly preferred — production experience with workers, activities, signals, timers.
- Camunda, Apache Airflow, or equivalent accepted if strong fundamentals.
Go or Java — must be comfortable building production services in at least one. REST API design and implementation (design
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