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Open nowFirst seen 4 hours ago

Workflow & Provisioning Lead

webbing/46.00e33 open roles

Where
Serbia (Remote), Remote
Work mode
Remote
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Your applicationOpen nowWorkflow & Provisioning Leadwebbing/46.00e · Serbia (Remote), Remote

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The clock on this job

Early applications get read.

11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: first seen 4 hours ago

The posting

  • 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 (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 .

Strong Advantage

  • 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.

Nice to Have

  • Experience at a telecom operator, MVNO, or telecom vendor (Ericsson, Nokia, Huawei, etc.).
  • Knowledge of eSIM / GSMA SGP.22 standard.
  • Python — for tooling, scripting, test automation.

About Webbing

Founded 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
  • 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.
  • The opportunity for professional development within a reputable international innovative and growing company.
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