We are seeking a Senior Full-Stack Developer with proven experience in modernizing and migrating legacy Windows-based applications to scalable, modern web applications. This role will play a key part in a high-priority application modernization initiative, with a strong focus on C#/.NET Core development, Google Cloud Platform (GCP) serverless architecture, and integration with core AI services.
Key Responsibilities
Application Migration: Architect, lead, and execute the migration of the existing C# .NET WinForms UI code to a modern web-based interface using ASP.NET Core (Blazor, Razor Pages, or MVC pages).
Full-Stack Development: Design, develop, and implement modular, reusable components for the front-end and ensure robust integration with existing .NET DLL libraries for data access and business logic.
UI/UX Modernization: Redesign layouts and maintain user experience with modern UI controls, specifically utilizing DevExpress ASP.NET Components.
Cloud Deployment and DevOps: Own the deployment life cycle on Google Cloud Platform (GCP), including setting up and stabilizing serverless environments (Cloud Run). This includes writing deployment automation scripts, preferably using tools like Tera form.
AI Integration: Integrate the application with the existing AI Server via WebAPI links. Collaborate with the AI team to leverage advanced GPU support in the serverless environment and maintain necessary AI service communication.
Technical Problem Solving: Address critical infrastructure limitations and application issues, such as managing large file uploads/exports, enhancing session stability (e.g., using GCS for Data Protection keys), and improving deployment speed.
Database Management: Ensure efficient interaction with the core MS SQL Server 2022 database.
Scalability and Performance: Contribute to performance review and future scalability planning, evaluating options like Docker and Kubernetes.
Required Technical Stack
Core Frameworks: Deep expertise in C# and .NET Core (ASP.NET Core MVC, Razor Pages, or Blazor).
Database: Strong working knowledge of MS SQL Server 2022.
Cloud Computing: Hands-on experience with Google Cloud Platform (GCP) and its serverless offerings, particularly Cloud Run.
DevOps/Tools: Experience with Version Control (Azure DevOps/Git), and proficiency in deployment automation and scripting.
UI Components: Familiarity with DevExpress WinForms/ASP.NET Controls.
Development Environment: Visual Studio 2022.
Preferred Qualifications
Prior experience migrating legacy applications (e.g., WinForms) to modern web technologies.
Experience designing applications for high performance, utilizing cloud features like GCS for data handling, and supporting GPU-intensive operations.
Familiarity with containerization technologies (Docker/Kubernetes).
Domain and Application Knowledge (MillworkSuite):
Data Modeling & Integration: Experience implementing complex data models for product cataloguing, pricing tables, and customer-configured mapping to industry systems like Microvellum or Cabinet Vision.
Application Lifecycle Management: Familiarity with implementing project status workflows, versioning projects (e.g., Current, Bid, Archived), and tracking elevation-level versioning for change order (CO) costs.
Drawings and CAD Exports: Experience with drawing-related features, including managing revision sets, handling markers (e.g., PL1/PL2/SS1 pickup), and integrating CAD exports, specifically Cabinet Vision export.
Security & Audit: Experience implementing granular, feature-level role-based access control and an audit logging framework to capture key user actions (login/logout, edit, delete, approval, feedback).
Deployment Flexibility: Understanding of architectures that support both cloud/hosted and on-premise/limited-connectivity deployment modes.
Skills
Ovii Interpretation
This Senior Full-Stack Developer role modernizes a legacy Windows application into a scalable web product. The work spans C#/.NET development, Google Cloud serverless deployment, database integration, and connections to existing AI services.
Role at a glance
Senior full-stack developmentLegacy application modernizationC#/.NET web developmentGoogle Cloud serverless deploymentFrontend and backend integrationSQL Server data access
Skills mentioned
C#.NET CoreASP.NET Core MVCRazor Pagesor BlazorMS SQL Server 2022Google Cloud Platform (GCP)Cloud RunVersion control with Azure DevOps or GitDeployment automation
What you will likely work on
Migrate a C# WinForms interface to a modern web experience using ASP.NET Core options.
Build reusable frontend components and connect them to existing .NET libraries and business logic.
Refresh layouts and UI controls with DevExpress components.
Deploy and stabilize serverless services on GCP, including Cloud Run, and automate deployment tasks.
Connect the application to an AI server through Web APIs and coordinate with the AI team on service communication and GPU support.
Resolve infrastructure and application issues involving large file transfers, session stability, and deployment speed.
Maintain efficient access to the SQL Server 2022 database and contribute to performance and scalability planning.
Good fit signals
Deep expertise in C# and .NET Core, including ASP.NET Core MVC, Razor Pages, or Blazor, aligns with the core stack.
Hands-on GCP and Cloud Run experience, plus deployment scripting, supports the cloud delivery work.
Experience modernizing legacy applications is preferred and directly relevant to the migration effort.
Familiarity with DevExpress controls is requested; Docker or Kubernetes familiarity is a plus.
MillworkSuite-related product data, workflows, CAD exports, access controls, and deployment modes are preferred domain knowledge.
Meet Cloudsufi
CLOUDSUFI builds data platforms, integration software and AI applications for enterprises. Its teams connect data across business systems, migrate older databases and build tools for tasks such as forecasting demand and monitoring equipment. Its Sufi Connector Factory helps teams build and maintain integrations across applications and databases. As a Google Cloud Premier Partner, CLOUDSUFI helped Swarovski bring data from more than 30 sources into BigQuery. It also worked with MillworkSuite on software that turns architectural drawings into cost estimates and cabinet layouts.
Founded
2019
Company size
201–500 employees
Company stage
Not known
Headquarters
San Jose, USA
Why work here
CLOUDSUFI offers engineers work on both data infrastructure and applied AI. Its public Java repositories show how the team builds data connectors. Its delivery projects range from consolidating Swarovski’s data in BigQuery to turning architectural drawings into cabinet layouts for manufacturers. For candidates interested in production AI, the company runs products on Vertex AI and Cloud Run and opened a dedicated engineering center in Guadalajara in 2026.
Industry
Data engineering, enterprise AI and cloud services
IKIrfan KhanPresident, CEO and Chairman of the BoardView bioHide bio
Khan co-founded CLOUDSUFI in 2019 and serves as president, CEO and board chair. Before starting the company, he was president and CEO of supply chain technology firm Bristlecone and held leadership roles at Microsoft and Hughes Software. He holds an MBA from S.P. Jain Institute of Management and Research.
ZVZeba VakilChief Operating Officer and Board MemberView bioHide bio
Vakil co-founded CLOUDSUFI in 2019 and helped build its leadership team. An entrepreneur and early-stage investor, she previously held roles at GE Capital, Genpact, Bank of America and KPMG. Her background includes accountancy qualifications in India and Australia.
IPIsaac PradaVice President, AI ServicesView bioHide bio
Prada leads delivery and expansion of enterprise AI services. A former Formula One engineer with aerospace experience, he holds a PhD in electrical engineering and specializes in optimization.
MBMaria Perez BlevinsVice President of Marketing and Chief of StaffView bioHide bio
Blevins leads global marketing and works with the CEO on strategic initiatives. She previously spent more than a decade at Stanford University and held healthcare administration roles at organizations including El Camino Health.
CLOUDSUFI details work with Oracle on reusable data connectors
CLOUDSUFI
In September 2026, CLOUDSUFI described a platform it is developing with Oracle to replicate data from enterprise applications. The design lets teams reuse each connector across customer deployments and resume transfers after an interruption.
MillworkSuite releases estimating and drafting software developed with CLOUDSUFI
Woodworking Network·
MillworkSuite and technology partner CLOUDSUFI developed software that reads architectural PDFs, prices the cabinet work and exports layouts to CAD systems used by manufacturers.
CLOUDSUFI opens an enterprise AI engineering center in Guadalajara
CLOUDSUFI via PR Newswire·
The Guadalajara center supports North American customers building production AI systems. Its work combines data engineering, predictive models and AI agents whose actions can be audited.