Software Engineer, Full Stack Developer

Software Engineer, Platform – Denver, USA

Seniority level
:
Mid‑Senior level

Employment type
:
Full‑time

Job function
:
Engineering and Information Technology

Location
:
Denver, CO

Base pay range
: $/year – $/year

Givebutter is the most‑loved nonprofit fundraising and CRM platform, empowering millions of changemakers to raise more, pay less, and give better. Nonprofits use Givebutter to replace multiple tools so they can launch fundraisers and events, use donation forms and donor management (CRM), send emails and text blasts—all in one place. Use of the Givebutter platform is completely free with a 100% transparent tip‑or‑fee model.

Givebutter has been certified as a Great Place to Work® in 2021, 2022, 2023, and 2024, and is the #1 rated nonprofit software company G2 across multiple categories. Our mission is to empower the change maker in all of us. We believe giving should be fun, so you’ll want to do it again, and we also believe that work should be fun, so that you’ll have the greatest impact.

We are excited to hear from talented people who want to work with other talented people in making the world a butter place—and have fun along the way.

Givebutter is seeking experienced Software Engineers to join our growing engineering team and build the tools that empower mission‑driven organizations to raise more effortlessly. Whether you lean frontend, backend, or love working across the full stack, we want to hear from you! The CRM & Engage team manages donor data and nonprofit communications. The Growth team improves key metrics across the entire product‑led growth journey.

The Core Fundraising team focuses on the core fundraising products that power giving. The Events & Auctions team builds event‑based fundraising experiences. The Treasury team helps nonprofits put their funds to work faster. The Platform team focuses on infrastructure, reliability, and quality. The Payments and Trust & Safety team keeps money moving safely and reliably.

• Democracy of code – We value equal contributions from all engineers and foster an environment of open discussion on architecture and ideas.
• Autonomy in work – We keep meetings to a minimum. Engineers have the freedom to manage their own calendars and block out uninterrupted time for focused work.
• Automated CI/CD – Our build and deployment processes are fully automated and hands‑off, allowing engineers to focus on problem‑solving through code.
• Mission‑driven, full stop – You’ll be working with inspiring nonprofits, charities, and organizations that are making a positive impact around the world.

• Design and implement full stack features using PHP/Laravel, React, and Type Script across our fundraising, donor management, financial, and growth products.
• Build systems and interfaces that scale to handle millions of users, high‑volume transactions, and seasonal traffic spikes.
• Work with APIs, third‑party integrations, and payment systems to create seamless experiences for nonprofits.
• Collaborate closely with product, design, and engineering peers to shape user‑friendly, impactful solutions.
• Participate in code reviews and help evolve engineering standards and best practices.
• Contribute to technical initiatives across the engineering org, including experimentation frameworks and tooling.
• Be part of our support rotation during business hours to help triage and resolve production issues.

• 3+ years of experience in software development, ideally with full‑stack exposure and backend depth.
• Proficiency in PHP/Laravel or a similar backend framework.
• Experience building frontend interfaces using React, Type Script, and modern JavaScript (ES6+).
• Strong understanding of relational databases like MySQL or Postgre
  
  SQL, including query optimization.
• Experience with RESTful APIs, third‑party integrations, and data import/export flows.
• Familiarity with state management (Tan Stack Query, SWR, Zustand, Redux, etc.).
• Understanding of frontend architecture, component design, and build tools (Vite, Webpack).
• Strong debugging and performance tuning skills across the stack.
• Excellent collaboration, communication, and documentation habits.

• Experie…