Backend Engineer, .Net

Sweed POS

. Build and maintain backend services and APIs used across the Sweed platform .

Posted 9/17/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong backend development capabilities with C# and .NET, focusing on building and maintaining production systems, APIs, and microservices. Proficient in troubleshooting, performance optimization, and collaborating across teams to drive technical solutions to production.

Highest-signal resume keywords

C# Development.NET FrameworkMicroservices ArchitectureAPI DevelopmentProduction System Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentRelational DatabasesAsynchronous ProcessingCachingQueuesTechnical TroubleshootingPerformance OptimizationLegacy System ImprovementMonolith DecompositionAI Tools in Development

Soft Skills

CollaborationCommunication

Tools & Technologies

KubernetesCI/CDObservability ToolsMonitoring Tools

Industry Keywords

ECommercePaymentsOrder ManagementInventory ManagementReporting Flows

Tech Stack

Tools & technologies

Distributed SystemsKubernetesMicroservices.NET

About the role

Key responsibilities & impact

Build and maintain backend services and APIs used across the Sweed platform
Work with C#/.NET, relational databases, queues, caching, and integrations
Improve performance, reliability, observability, and maintainability of production systems
Contribute to architecture evolution, including microservices and parts of the existing monolith
Own technical solutions from design to production with product, frontend, QA, DevOps, and backend engineers
Use AI tools to improve development speed, context understanding, and quality
Work on internal and external APIs; eCommerce, checkout, order management, payments, inventory, or reporting flows; performance improvements; refactoring; technical debt reduction; monolith decomposition; asynchronous communication; background processing; queues; caching; observability; troubleshooting; and production reliability
Participate in two-week sprints, technical discussions, planning sessions, retrospectives, and cross-functional collaboration
Participate in rotating weekly support duty approximately once every two months during normal working hours

Requirements

What you’ll need

Strong commercial backend experience with C# and .NET
Experience building and supporting production systems
Good understanding of backend architecture, APIs, databases, and distributed systems
Experience with microservices, queues, caching, async processing, or background jobs
Ability to troubleshoot production and performance issues
Ability to clarify requirements, make technical decisions, and drive solutions to production
Good communication skills and ability to collaborate across teams
English level sufficient for written communication and occasional calls
Experience using AI tools in software development workflows
Nice to have: experience with high-load systems
Nice to have: experience in eCommerce, payments, checkout, order management, inventory, or reporting
Nice to have: experience decomposing monoliths or improving legacy systems
Nice to have: experience with Kubernetes, CI/CD, observability, or monitoring
Nice to have: experience working in product companies or startup-like environments

Benefits

Comp & perks

Salary in USD (B2B contract with the US company)
100% remote – no offices needed
Flexible working hours with core team time 10:00–16:00 CET
20 paid vacation days + 12 holidays per year
3 sick leave days
Medical insurance after probation
Equipment reimbursement for laptops, monitors, etc.