Senior Software Engineer - Source

Senior Software Engineer (Backend or Full-Stack)

📍 Location : Remote, United States 🕘 Employment Type : Full-Time 📁 Department : Engineering 📢 Reports To : Head of Engineering

About Source

Source is redefining how the built world comes together.

We’re building the operating system for global commercial construction—an AI-native platform designed to accelerate decision-making across the entire lifecycle of a project. From vision to execution, we empower owners, designers, and vendors to move faster, collaborate smarter, and unlock better outcomes at scale.

Our work is grounded in the belief that enduring spaces start with empowered teams—and that intelligent infrastructure can transform how an entire industry operates. This isn’t about digitizing workflows. It’s about reengineering the system with clarity, transparency, and trust at its core.

If you’re energized by complexity, motivated by purpose, and ready to help shape the future of the built environment—we’d love to build it with you.

The Role

Source is seeking a Senior Software Engineer to help lead our growing technology team. In this role, you’ll set a high bar for engineering excellence, shaping the performance and growth of a small but expanding team.

Your first major project will be related to payments and money movement - bonus points if you have experience with modern, agile fintech solutions.

You’ll be responsible for building and maintaining sophisticated architecture that underpins the end-to-end commercial procurement process, with a particular focus on AI-driven solutions. This role requires not only deep technical expertise but also the ability to engage with business leadership, aligning engineering initiatives with company goals—especially in areas of AI development and adoption.

We’re looking for someone who thrives in autonomy and takes full ownership of their work. You should be a self-starter, passionate about continual improvement, and capable of identifying impactful opportunities across engineering systems, processes, and people.

Your Impact

As a Senior Software Engineer, you will play a pivotal role in driving technical excellence and product innovation. Your contributions will include:

Lead product and engineering teams through the technical design and development of new features, from data model documentation to API designs and backend microservices.

Collaborate with management and business operations to develop and execute a strategy for our evolving platform.

Safeguard the reliability, scalability, and security of our data systems, applying expert knowledge of databases and information security best practices.

Establish engineering standards and practices that ensure code quality, platform maintainability, and long-term scalability.

Mentor and coach engineering team members, fostering a cul