Senior Software Engineer

Base pay range

$/yr - $/yr

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. The platform is completely free with a 100% transparent tip‑or‑fee model.

Givebutter has been certified as a Great Place to Work® in 2021‑2024 and is the #1 rated nonprofit software company on G2 across multiple categories. Our mission is to empower the change maker in all of us, and we strive to make work fun and impactful for everyone.

Senior Software Engineer 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 enjoy working across the full stack, we want to hear from you!

• The CRM & Engage team manages donor data and nonprofit communications. Build features for organizing contacts, importing data, connecting to other platforms, and sending messages via email, SMS, and direct mail.
• The Growth team improves key metrics across the entire product‑led growth journey. Build features for acquisition (marketing site, signup), activation (onboarding, integrations), and revenue (pricing, payment flows).
• The Core Fundraising team focuses on the core fundraising products that power giving. Build campaigns, donation forms, events, auctions, memberships, peer‑to‑peer fundraising, websites, and embeddable widgets.
• The Events & Auctions team builds event‑based fundraising experiences. Build auction management tools, ticketing systems, check‑in flows, bidding features, and the Givebutter mobile app.
• The Treasury team helps nonprofits put their funds to work faster. Build Givebutter Wallet features, same‑day ACH transfer tools, Quick Books integration, card issuing systems, and financial dashboards.
• The Platform team focuses on infrastructure, reliability, and quality. Build CI/CD pipelines, monitoring systems, and frameworks that enable other teams to ship features efficiently and reliably.
• The Payments and Trust & Safety team keeps money moving safely and reliably. Build the underlying integrations with payment and anti‑fraud providers while ensuring money movement is safe and reliable.

• 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 and allow engineers 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.

• 5+ 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…