--- title: 'Product Engineer, C#/.NET at Kinship' canonical: 'https://feeny.ai/job/product-engineer-c-net-kinship-london-gnccr4pcgmhb' type: 'job' last_seen: '2026-09-13' --- # Product Engineer, C#/.NET at Kinship - **Company:** Kinship - **Location:** London, United Kingdom - **Employment:** full-time - **Work type:** onsite - **Posted:** 2025-06-12 - **Last confirmed live:** 2026-09-13 - **Apply:** https://jobs.ashbyhq.com/kinship/1cfc1d06-a818-4871-8bb6-7025c9dc3690/application **Skills:** C#, MVVM, CommunityToolkit.Mvvm, WPF, WinUI 3, Async programming, Desktop application development, Revit API, Dependency injection, Nuke, CI/CD, Mapperly, AutoMapper, Unit testing, Serilog, OpenTelemetry, ASP.NET > Kinship is hiring a Product Engineer to develop and maintain their Revit add-in using C#. The role involves implementing new features, integrating with backend services via REST APIs, and handling data synchronization between the desktop application and the cloud platform. ## Job description Powering better Revit workflows from the inside out Hey there — we’re Kinship 👋 We’re building tools that make working with Revit simpler, faster, and a whole lot less painful. Our platform helps architects and engineers manage their content libraries, track how models evolve, and enforce better standards without the usual chaos. We’re hiring a C# developer to help us go deeper into the world of Revit — improving our add-in, scaling sync capabilities, and crafting the behind-the-scenes magic that makes Kinship feel seamless to our users. If you know your way around Revit’s quirks and love writing clean, solid code that solves real-world problems, this is for you. ## What You’ll Do - Develop and maintain our Revit add-in using C# - Implement new features and improvements within the Revit environment - Integrate the add-in with backend services via REST APIs - Handle data synchronization between Revit and our cloud platform - Contribute to architectural decisions and collaborate with other engineers on design and implementation ## What We’re Looking For You don’t need to tick every box, but here’s what would help you succeed: Must-haves - 3–6+ years of experience writing C# - Strong hands-on experience with developing desktop application - Solid MVVM knowledge (using CommunityToolkit.Mvvm) - Experience with WPF or WinUI 3 (including styles, templates, and resource dictionaries) - Confident with async programming and writing responsive, stable desktop apps Nice-to-haves - Experience with the Revit API, or similar - Experience with dependency injection - Familiarity with build tools like Nuke and CI/CD pipelines - Understanding of mapping tools (e.g., Mapperly, AutoMapper) - You write unit tests and know when they matter - Experience with structured logging (Serilog preferred) - Familiarity with observability tools like OpenTelemetry - Some experience with [ASP.NET](http://ASP.NET) and how web APIs are built ## What We Offer - Competitive salary - A beautiful, plant-filled office in central London (by Southwark tube station) and good coffee (obviously) - A no-BS team of people who love building great software together - Real autonomy and influence over product and tech decisions - A company that believes in work-life balance ## About Kinship ## Company Overview - **One-liner**: Kinship provides a cloud-based Revit content management, project tracking, and analytics platform that helps architecture and engineering teams find, manage, and optimize their BIM data. - **Entity Type**: Private (bootstrapped / independent – not backed by venture investors) - **Headquarters**: London, England (primary office) with a secondary office in Irvine, California, USA - **Founded**: Not publicly available - **Founders**: Jose Fandos (CEO & Co-Founder), Gary Sprague (Co-Founder & Head of Product) ## Core Business - **Primary industry**: Architecture, Engineering & Construction (AEC) software, specifically BIM (Building Information Modeling) for Autodesk Revit - **Target customers**: B2B – architecture and engineering firms of all sizes (trusted by 300+ firms worldwide with 25,000+ users) - **Mission/Purpose**: “Make it easy to get the most out of Revit” / “Making BIM simple, scalable, and human” ## Products & Services - **Kinship Revit Add-in**: A plugin that brings content search, loading, and management directly inside Revit. Users can find families, types, and components instantly without leaving the modeling environment. - **Content Management Platform**: A web-based tool to organize, version, and govern Revit content libraries (shared, restricted, project-specific). Includes lists, collections, and metadata management. - **Project & Analytics Dashboard**: Tracks models, sync times, warnings, crash reports, quantities, and content usage. Provides health checks and parameter data reports. - **API & SQL Access**: Available on the Enterprise plan for deeper integration and custom reporting. ## Market Standing - **Valuation**: Not disclosed (bootstrapped) - **Key Metrics**: 300+ customer firms, 25,000+ users, 100,000+ models tracked, 1,000,000+ Kinship searches, 40,000,000+ families managed - **Notable Investors/Partners**: None – the company is independent and customer-funded - **Growth Signals**: 12 employees (+37.5% YoY headcount growth per LinkedIn), expanding customer base across 6 countries, active hiring for engineering and product roles ## Competitive Advantages - **Independence**: No investor pressure allows long-term, customer-first decision making and flexible pricing. - **Deep Revit Integration**: Purpose-built for Revit, not a generic BIM tool; add-in provides seamless in-application search and loading. - **AEC Expertise**: Founders and team have deep experience in both BIM workflows and software development. - **Data Richness**: Automatic tracking of family health, model metadata, and project analytics that competitors often lack. ## Strategic Focus - **Product Excellence**: Shipping meaningful features, iterating based on user feedback, and maintaining high design/UX standards. - **Customer-Driven Roadmap**: Listen closely to architecture and engineering teams to solve their biggest pain points. - **Controlled Growth**: Prioritizing quality over blitzscaling; growing the team selectively while expanding the customer base. ## Why Work Here - **Culture**: Small, ambitious team (≈12 people) with a “people over process” ethos. In-person collaboration is encouraged – London office is the hub, with remote team members across time zones. - **Policy**: In-office focused for London-based roles; hybrid flexibility for team members in other locations. - **Perks**: Good coffee, fast-moving ideas, meaningful impact on real-world building design tools. - **Engineering Culture**: Opportunity to shape the product from the ground up; stack includes C#/.NET, frontend (likely modern JS/TS), and backend work. Open roles: Product Engineer (Backend, Frontend, C#/.NET), Design Engineer, Revit Content Specialist, Marketing Lead. ## Sources 1. [kinship.io](https://kinship.io/) – Homepage, product features, pricing, customer stats 2. [kinship.io/about](https://kinship.io/about) – Mission, founders, team, impact numbers 3. [kinship.io/careers](https://kinship.io/careers) – Culture, open roles, office policy 4. [builtin.com](https://builtin.com/company/kinship-kinshipio) – Employee count, headcount growth, office locations, job listings 5. [linkedin.com](https://www.linkedin.com/company/kinshipio) – Company details, headcount, locations, follower growth ## Other roles at Kinship - [Junior Operations Specialist](https://feeny.ai/job/junior-operations-specialist-kinship-london-hq731gt8xd06) — London, United Kingdom - [Junior Product Specialist, Revit](https://feeny.ai/job/junior-product-specialist-revit-kinship-london-e1e7g9q1g39w) — London, United Kingdom - [Marketing Lead](https://feeny.ai/job/marketing-lead-kinship-london-2h42grx6fq62) — London, United Kingdom - [Product Engineer, Backend](https://feeny.ai/job/product-engineer-backend-kinship-london-s5mexx4nrx28) — London, United Kingdom - [Product Engineer, Frontend](https://feeny.ai/job/product-engineer-frontend-kinship-london-hj0mrjff2rj3) — London, United Kingdom - [Revit Content Specialist](https://feeny.ai/job/revit-content-specialist-kinship-london-c387c1jsbaew) — London, United Kingdom - [Product Specialist, Revit](https://feeny.ai/job/product-specialist-revit-kinship-london-ajtntp1c7jhc) — London, United Kingdom - [Design Engineer (UI/UX)](https://feeny.ai/job/design-engineer-ui-ux-kinship-london-9qj76z2wg900) — London, United Kingdom