Backend Engineer – APIs, Data Services, C#, Python

Payne Talent

Backend Engineer developing APIs and services for audit logging platform. Collaborating on data pipelines and system integrations to ensure audit event reliability.

Posted 6/13/2026full-time🇩🇰 DenmarkMid-LevelSeniorWebsite

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Hard Skills

C#.NETPythonAPI designRESTstreaming APIsETLdata pipelinesevent-driven infrastructuredata-centric backend services

Soft Skills

code qualitytestingmaintainability

Tools & Technologies

Azure DatabricksAzure DevOpsGitHub ActionsCI/CD pipelinesWebSocketsServer-Sent EventsgRPCmessage brokersevent busesqueues

Industry Keywords

audit logsdata workflowscomplianceretentionimmutabilityrelational data storesdistributed data storesactivity recordsaccess historyreal-time streams

Tech Stack

Tools & technologies

AzureCloudETLGRPC.NETPython

About the role

Key responsibilities & impact

Design and build C# APIs that expose audit logs to internal and external consumers, both as queryable endpoints and as real-time streams (e.g., WebSockets, Server-Sent Events, gRPC streaming)
Develop streaming APIs backed by event-driven infrastructure (queues, event buses, message brokers)
Build and maintain C# backend services that ingest, store, and expose audit events, activity records, and access history
Help define retention, immutability, and compliance characteristics of the audit data layer
Maintain CI/CD pipelines for backend services and data workflows
Implement automated testing, monitoring, and logging across services

Requirements

What you’ll need

Solid experience with C#/.NET backend development
Experience in Python, particularly for data processing and pipeline development
Strong experience designing and building APIs (REST and streaming), including real-time or event-driven interfaces
Experience building data-centric backend services (e.g., audit logs, event stores, activity streams, or similar)
Experience designing and implementing ETL or data pipelines in a production environment
Experience with cloud-based data platforms (preferably Azure Databricks)
Solid understanding of relational and/or distributed data stores
Experience with CI/CD tools (Azure DevOps, GitHub Actions)
Strong sense of code quality, testing, and maintainability

Benefits

Comp & perks

Flexible work arrangements
Professional development opportunities