Senior Software Engineer (.NET Core / JS / SQL)Location: Remote (EU time zones) or Poland • Type: Full-timeAbout LYNQLYNQ builds modern manufacturing software that helps factories plan, track, automate, analyse and optimise their operations. Our platform is used by manufacturers globally and integrates with leading ERPs, deployable in the cloud or on-premises. We host on Microsoft Azure to provide secure, reliable access for our customers.The roleWe’re hiring a Senior Software Engineer to evolve our core SaaS MES platform. You’ll work across core backend modules and services—runtime and ETL—shaping secure, scalable services that run smoothly in production.What you’ll do Core platform: enhance runtime services, configuration, caching, telemetry, and resilient background processing. Data integrations (ETL): design integration patterns and pipelines (ingest, validate, map, reconcile; incremental syncs, retries, monitoring). Quality & performance: write clear, testable code; What you bring Strong C# / ASP.NET Core skills building production web solutions. Solid JavaScript experience. Deep MS SQL Server knowledge (T-SQL, indexing, query tuning). Experience with background jobs and resilient integrations (idempotency, retries, poison-message handling). Security mindset (tokens/claims, roles/permissions, multi-tenancy). Clear communication, ownership, and a pragmatic approach to shipping. Nice to have ERP/enterprise integrations (REST/OData/GraphQL); manufacturing domain familiarity. Experience operating SaaS plus occasional on-prem deployments. Familiarity with the MES space and connectors to leading ERPs. Why LYNQ Modern platform with clear product focus and room to influence architecture. Remote-friendly team, flexible hours, supportive engineering culture.