Workflow & Provisioning Lead

Webbing; Finland (MN); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Fully remote work

Professional development opportunities

Challenging projects with high skill development

Job summary

Webbing is seeking a skilled backend developer to deploy and configure workflow engines like Temporal on Kubernetes. This role involves designing SIM Activation workflows and leading development tasks. The successful candidate will have experience in backend software development, specifically with workflow orchestration.

Founded in 2010, Webbing is a global MVNO providing IoT services. We offer a fully remote position with opportunities for professional growth within an innovative company.

Qualifications

• 4–6 years backend software development experience.
• Hands-on experience with a workflow orchestration engine.
• Detailed knowledge of Temporal.io or similar for production services.
• Experience deploying on Kubernetes.

Responsibilities

• Deploy and configure Temporal/Camunda on Kubernetes.
• Design and implement SIM Activation workflow.
• Implement workflow versioning strategy.
• Lead junior developers in code reviews.

Skills

Backend software development experience

Workflow orchestration engine

Go or Java

REST API design and implementation

PostgreSQL

Kubernetes

Event-driven architectures (RabbitMQ, Kafka, or Redis Pub/Sub)

Tools

Temporal.io

Camunda

Prometheus

Grafana

Job 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).
• 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

• 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).
• 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.