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Senior Business Central Developer

Proxify
Contract type
Freelance
Work mode
Remote · EMEA, CET +/- 3 hours
Experience
Senior · 5+ years

Job description

A Senior Business Central Developer role, placed by Proxify on behalf of a client, to lead technical design, development and customization of Microsoft Dynamics 365 Business Central solutions. The role focuses on architecting AL codebases, integrating third-party systems and optimizing database performance in multi-tenant cloud environments.

At a glance

Employment
Full-time · Independent contractor
Work mode
Remote · EMEA, CET +/- 3 hours

What you'll do

  • Design, build, and maintain scalable Business Central extensions in AL using event-driven architectures to customize ERP business logic cleanly.
  • Architect secure web service integrations between Business Central and external applications (ERPs, CRMs, banking networks, e-commerce storefronts).
  • Analyze system logs and telemetry using Business Central performance profilers and Application Insights to resolve locking, slow requests, and resource bottlenecks.
  • Establish and manage automated build, test, and release workflows using GitHub Actions and AL Go across development, staging, and production environments.
  • Enforce strict coding standards, conduct peer code reviews, and ensure codebases strictly adhere to Microsoft's technical guidelines for cloud upgrades and AppSource publication.

What we're looking for

  • 5+ years of dedicated software development experience with Dynamics 365 Business Central (and legacy Dynamics NAV), featuring expert-level proficiency in AL language, custom page/report extensions, codeunits, and event subscribers.
  • Strong functional and technical command of standard Business Central modules, including Finance (GL, AP, AR), Supply Chain, Inventory, Purchasing, and Sales.
  • Extensive experience connecting Business Central with external systems, CRMs, and e-commerce platforms using RESTful web services, OData, JSON, and OAuth2 authentication.
  • Daily practice authoring automated unit and integration tests using the AL Test Framework, utilizing test isolation and mocks to ensure upgrade stability.
  • Proven experience maintaining source code, versioning, and automated build pipelines using GitHub Actions, AL Go for GitHub, or Azure DevOps.
  • Deep understanding of SQL Server fundamentals, Business Central telemetry, index tuning, and performance profiling to eliminate lockups and slow-running queries.

Nice to have

  • Practical experience navigating Microsoft AppSource validation workflows and technical compliance checks.
  • Familiarity with the broader Microsoft Power Platform (Power Apps, Power Automate, Power BI) and Dataverse synchronization.
  • Exposure to Azure cloud services (Azure Functions, Azure Logic Apps, Azure Key Vault).
  • Background in migrating legacy C/AL codebases (Dynamics NAV) to modern AL extensions.

Benefits

  • No more unreliable clients. Enjoy on-time monthly payments with flexible withdrawal options.
  • Enjoy a harmonious work-life balance with consistent 8-hour working days with clients.
  • Enjoy up to 24 flex days off per year without losing pay, for full-time positions found through Proxify.
  • Discover exclusive long-term remote positions at the world's most exciting companies.
  • Skip the typical recruitment roadblocks and biases with personally matched positions.
  • A one-time contracting process for endless opportunities, with no extra assessments.
  • Enjoy the same pay, every month with positions landed through Proxify.

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About Proxify

Talent has no borders.

Proxify connects top developers around the world with remote full-time jobs and long-term positions at companies. Since its launch, Proxify's developers have worked with 1200+ clients to build their products and growth features, and 5000+ talented developers trust Proxify and its network.

Mission

Proxify's mission is to connect top developers around the world with the opportunities they deserve.

Key facts

  • Proxify's developers have successfully worked with 1200+ happy clients
  • 5000+ talented developers trust Proxify and its network
  • Glassdoor rating 4.5/5
  • Trustpilot rating 4.8/5