Revit .NET SDK Developer

Revit .NET SDK Developer 

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Who We Are

At ATG USA, we don’t just support the AEC industry, we help shape it.

ATG USA (Applied Technology Group) is the leading technology business partner focused on the Architectural, Engineering and Construction industry in North America. ATG strives to build relationships within the professional design community by providing a complete solution. ATG has unique service offerings implemented by technical support specialists with industry experience and knowledge.

Role Summary

We are seeking a seasoned developer to leverage the Revit .NET SDK and the Civil 3D .NET SDK to build resilient, scalable automations to streamline workflows for Architects and Engineers. 

As an Autodesk design tool plugin developer, you will build quality and resilient solutions for projects for our clients ranging in size and complexity from a small design firm to a large multi discipline enterprise. You will work closely with our integration and API engineering team to build an end-to-end solution traversing the desktop and a cloud-based API driven ecosystem. 

We need your brain to bring user experiences to life! Your skills and experience will make our products great and help our team grow every day! 

Key Responsibilities 

• SDK Development: Author and maintain advanced plugins using C# / dotnet 10 for Revit and Civil 3D, focusing on automation, geometry manipulation, and custom ribbons. 
• MCP Planning & Strategy: Proactively design plugin architectures that anticipate the Autodesk Assistant’s background MCP server. You will ensure that custom plugin "Updaters" or "External Events" do not interfere with AI-driven model polling. 
• Cloud API Integration: Develop "Connected Plugins" that consume external REST/GraphQL APIs (e.g., pulling real-time material pricing, sustainability data, or project management status) to enrich BIM parameters. 
• Civil-BIM Interoperability: Create custom workflows for bridging the gap between Civil 3D surfaces/alignments and Revit structural elements, ensuring coordinate fidelity via the API. 
• Modernization: Migrate legacy .NET Framework codebases to modern dotnet 10 to leverage the performance gains and multi-threading capabilities of the 2027 release. 
• Maintenance: Troubleshoot and update existing plugins for new Autodesk annual releases 
• Technical Leadership: Provide thought leadership on best practices for readable, maintainable, performant, and secure coding within the Autodesk ecosystem.

Requirements

• 3-5+ years’ experience in C# dotnet 8 - 10
• Database: Mid to expert SQL knowledge and 3rd normal form
• Revit SDK (2025-2027), Civil 3D API (Managed .NET), and AutoCAD ObjectARX concepts.
• Cloud software: Consuming RESTful APIs, OAuth 2.0 authentication, JSON/XML parsing
• AI Ready: Conceptual understanding of MCP (Model Context Protocol) and how LLMs interact with hosted tools/servers
• Modern .NET: MVVM Pattern, Dependency Injection, and Unit Testing for AEC tools, github &U branching.

Professional and Consulting Skills:

Project Management:

• Document requirements, data flows, and system architecture
• Estimate effort accurately and communicate blockers or timeline risks proactively

Team player:

• Champion best practices for readable, maintainable, performant, and secure code
• Mentor junior engineers and share knowledge across the team
• Manage your time effectively and communicate technical trade-offs clearly
• Detail oriented: ability to understand and business processes & data
• KISS: Prioritize pragmatic automation and simple, maintainable solutions (MVP/KISS approach) over unnecessary complexity

Nice to haves:

• Autodesk APS Automation API
• .NET or Python Django Web Application and RESTful API development
• Azure & AWS infrastructure, Terraform / DevOps
• Front-end technologies, such as JavaScript, HTML5, and CSS3
• Vue 3
• .Net Framework 4.x

Benefits:

• Health, Dental and Vision Benefits
• Short-Term and Long-Term Disability
• Wellness Programs
• 3 weeks of PTO each year, paid holidays, and your birthday off
• 2 paid volunteer days each year
• 401k match up to 4% after 90 days of employment

ATG is an Equal Opportunity Employer. We do not discriminate based on race, color, religion, sex (including gender identity and sexual orientation), national origin, age, disability, genetic information, or any other protected status under applicable laws. We’re committed to an inclusive workplace where all backgrounds and perspectives are valued, and we strive to build a team that reflects the diverse world we serve.

This full-time role requires a minimum of 40 hours per week, with additional hours as needed to meet deadlines. Candidates must be able to sit or stand for extended periods, travel between office locations (including those with stairs), and lift up to 30 pounds. Strong verbal and written English communication skills, along with adequate visual and auditory abilities (with or without aids), are essential. The physical demands described are representative of those needed to perform the job’s essential functions, with or without reasonable accommodation.

If you need accommodation during the application or interview process—or on the job—please contact Human Resources.

Applicants must be authorized to work in the U.S. without company sponsorship. We appreciate your interest in ATG!

Requirements: 

• 3-5+ years’ experience in C# dotnet 8 - 10 

• Database: Mid to expert SQL knowledge and 3rd normal form 

• Revit SDK (2025-2027), Civil 3D API (Managed .NET), and AutoCAD ObjectARX concepts. 

• Cloud software: Consuming RESTful APIs, OAuth 2.0 authentication, JSON/XML parsing 

• AI Ready: Conceptual understanding of MCP (Model Context Protocol) and how LLMs interact with hosted tools/servers 

• Modern .NET: MVVM Pattern, Dependency Injection, and Unit Testing for AEC tools, github &U branching. 

Professional and Consulting Skills: 

• Project Management: 

• Document requirements, data flows, and system architecture 

• Estimate effort accurately and communicate blockers or timeline risks proactively 

• Team player: 

• Champion best practices for readable, maintainable, performant, and secure code 

• Mentor junior engineers and share knowledge across the team 

• Manage your time effectively and communicate technical trade-offs clearly 

• Detail oriented: ability to understand and business processes & data 

• KISS: Prioritize pragmatic automation and simple, maintainable solutions (MVP/KISS approach) over unnecessary complexity 

Nice to haves: 

• Autodesk APS Automation API 

• .NET or Python Django Web Application and RESTful API development 

• Azure & AWS infrastructure, Terraform / DevOps 

• Front-end technologies, such as JavaScript, HTML5, and CSS3 

• Vue 3 

• .Net Framework 4.x