Full-Time

Senior .NET Engineer

Posted on 10/31/2025

Virtuous

Virtuous

201-500 employees

Nonprofit donor management and fundraising platform

No salary listed

Remote in USA

Remote

Category
Software Engineering (1)
Required Skills
React.js
.NET
C#
Vue.js
REST APIs
Requirements
  • Senior-level software development experience with strong, recent knowledge of C# and .NET MVC
  • Expertise in API development, maintenance, and versioning, ensuring integration robustness and scalability.
  • Proven experience in platform extensibility and integrating software with external systems.
  • Experience developing with modern JavaScript libraries such as React or Vue.
  • Proven experience working with open-source software.
  • Strong understanding of design and UX best practices.
  • Experience developing against RESTful web services.
  • Excellent communication and collaboration skills, essential for working within a fast-paced product team.
  • Experience working directly with customers and partners to triage, debug, and review integrations and customer implementations.
Responsibilities
  • Develop best-in-class solutions for cloud-based B2B SaaS applications.
  • Collaborate with development, product, and support teams to architect and maintain back-end services and databases.
  • Enhance and maintain our API, ensuring its robustness and scalability.
  • Lead efforts in platform extensibility and product integrations.
  • Test, document, and deploy software in collaboration with team members.
  • Develop front-end solutions using the latest JavaScript libraries.
  • Optimize database design and performance, particularly with SQL Server.

Virtuous is a nonprofit-focused CRM and fundraising platform that helps organizations manage donors, run marketing automation, and execute multichannel campaigns. It serves a wide range of nonprofits, including higher education, arts and culture, and animal welfare, and is sold via subscription pricing. How it works: Virtuous provides donor management and segmentation analytics, personal donor journey automation, and frictionless donation experiences across all gift types, enabling nonprofits to launch targeted campaigns and automate communications. How it differentiates itself: it specializes in the nonprofit sector and aims to treat every donor like a major donor, offering tools tailored to nonprofit fundraising and multichannel outreach rather than general-purpose CRM. Its goal: to elevate donor experiences and streamline the fundraising process so nonprofits can engage supporters more effectively and increase donations over the long term.

Company Size

201-500

Company Stage

Late Stage VC

Total Funding

$37.4M

Headquarters

Phoenix, Arizona

Founded

2014

Simplify Jobs

Simplify's Take

What believers are saying

  • Raised $100M Series C from Susquehanna Growth Equity to build AI tools.
  • Achieved 525% growth in three years, serving over 2000 customers worldwide.
  • Named G2's #1 Momentum Leader in nonprofit CRM with 15 badges.

What critics are saying

  • Salesforce Nonprofit Cloud dominates enterprises, confining Virtuous to mid-market.
  • Blackbaud's Raiser's Edge NXT blocks higher education client wins with legacy tools.
  • Qgiv terminates integration, severing donor data sync within 18 months.

What makes Virtuous unique

  • Virtuous tailors CRM for nonprofits with donor journey automation and segmentation analytics.
  • Acquired Momentum and VOMO to integrate AI fundraising and volunteer management.
  • Launched VirtuousBI and RaiseDonors for advanced data insights and online giving.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

401(k) Company Match

Unlimited Paid Time Off

Paid Vacation

Family Planning Benefits

Employee Recognition

Community Engagement

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
Cision
Aug 14th, 2025
Virtuous Acquires Momentum to Transform Major Donor Fundraising with AI

/PRNewswire-PRWeb/ -- Virtuous, the leading responsive fundraising platform, today announced its acquisition of Momentum, an AI-first donor engagement solution...

PR Newswire
Apr 23rd, 2025
Virtuous Welcomes Renowned Nonprofit Thought Leader, Technologist And Author Nathan Chappell As Chief Ai Officer

Chappell's two decades of nonprofit leadership will help Virtuous deliver industry-leading AI solutions that transform the future of fundraising PHOENIX, April 23, 2025 /PRNewswire/ -- Virtuous, the leading responsive fundraising platform, today announced that accomplished nonprofit veteran Nathan Chappell has joined the company as Chief AI Officer. Chappell joins the company's executive team and will lead its initiatives focused on building AI tools for nonprofit fundraising teams and empowering the nonprofit sector with data intelligence best practices

Techable(テッカブル)
Oct 2nd, 2024
Virtuous Raises $100M for Nonprofits

Virtuous, a Phoenix-based platform supporting nonprofit donations, announced raising $100 million in a Series C round led by Susquehanna Growth Equity. The company offers personalized CRM approaches to enhance donor relationships and automate fundraising. With the new funds, Virtuous plans to develop AI tools, expand integration features, and upgrade its platform. CEO Gabe Cooper emphasized that the company was not acquired but gained new minority shareholders.

Securities and Exchange Commission
Aug 12th, 2024
SEC FORM D

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.The reader should not assume that the information is accurate and complete.

PR Newswire
May 14th, 2024
The Responsive Nonprofit: A New Book By Gabe Cooper, Ceo Of Virtuous

Cooper's second book aims to help transform nonprofit organizations to drive greater innovation and impact.PHOENIX, May 14, 2024 /PRNewswire/ -- Liberalis Publishing announces today the launch of Gabe Cooper's new book, The Responsive Nonprofit: Eight Practices that Drive Nonprofit Innovation and Impact. Cooper is the CEO of Virtuous, the leading software platform for nonprofit organizations.This new book provides a roadmap for nonprofits to accelerate innovation, transform their operations, improve the organizational culture, and increase generosity toward their mission.The Responsive Nonprofit by Gabe Cooper, CEO of Virtuous, provides a roadmap for nonprofits to accelerate innovation, transform their operations, improve the organizational culture, and increase generosity toward their mission. The book is available now in print, digital, and audio formats.Nonprofit leaders have widely praised the book:"A clarion call for nonprofits to embrace change, foster cultures of collaboration and transparency, and leverage the power of storytelling and community to drive an epic, outsized impact." -Becky Endicott, Co-Founder + Chief Storyteller, We Are For Good"The Responsive Nonprofit delivers a profound exploration of innovative practices that are key to achieving breakthrough results for modern charitable organizations." -Nathan Chappell, Co-author of The Generosity Crisis: The Case for Radical Connection to Solve Humanity's Greatest Challenges"Bursting with energy and expertise, this book is a goldmine of innovative practices, engaging stories, and practical tips to improve your fundraising efforts." -Maureen Walbeoff, Nonprofit Digital Strategist & Technology ExpertThe Responsive Nonprofit is Cooper's second book. His first book, Responsive Fundraising: The Donor-centric Framework Helping Today's Leading Nonprofits Grow Giving , was released in 2020."I am incredibly excited to share this new book with leaders in the nonprofit sector," says Gabe Cooper. "I believe the eight practices I've outlined can help nonprofits break down team silos, drive toward shared goals, embrace change, and build a culture of innovation."The Responsive Nonprofit is available in print, digital, and audio formats. Cooper will be hosting a live webinar about the book on May 21, 2024

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