{"schemaVersion":"jobsearcher.job.v1","id":"5d3b96caba1683014ccbca8d","url":"https://jobsearcher.com/jobs/5d3b96caba1683014ccbca8d","canonicalUrl":"https://jobsearcher.com/jobs/5d3b96caba1683014ccbca8d","title":"Workflow Developer & Tester","description":"ResponsibilitiesImplement 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).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.MNP (number portability) hooks in Inventory DB.UAT support: reproduce bugs, write regression tests, validate fixes.Requirements\r\nMust Have2–4 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.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.Strong AdvantageAny 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 HaveTemporal.io SDK experience — even personal/side project counts.Python — useful for scripting, test tooling, data processing.Prometheus — understanding how to instrument code with metrics.What We OfferFully remoteAn 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.#J-18808-Ljbffr","company":"Webbing","rawCompany":"webbing","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-06-03T02:10:57.615Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1253.00","title":"Software Quality Assurance Analysts and Testers","slug":"software-quality-assurance-analysts-and-testers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Workflow Developer & Tester","description":"ResponsibilitiesImplement 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).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.MNP (number portability) hooks in Inventory DB.UAT support: reproduce bugs, write regression tests, validate fixes.Requirements\r\nMust Have2–4 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.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.Strong AdvantageAny 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 HaveTemporal.io SDK experience — even personal/side project counts.Python — useful for scripting, test tooling, data processing.Prometheus — understanding how to instrument code with metrics.What We OfferFully remoteAn 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.#J-18808-Ljbffr","datePosted":"2026-06-03T02:10:57.615Z","dateModified":"2026-06-03T02:10:57.615Z","hiringOrganization":{"@type":"Organization","name":"Webbing","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5d3b96caba1683014ccbca8d"},"url":"https://jobsearcher.com/jobs/5d3b96caba1683014ccbca8d"}}