Senior Software Engineer, Backend

Senior Software Engineer, Backend

This is an exciting opportunity to join a fast-growing fintech environment focused on reinventing financial infrastructure for modern business owners. In this role, you will help design and scale backend systems that power critical financial operations, including payments, ledgering, and transaction processing. You'll work alongside highly driven engineers and product teams to build scalable, secure, and reliable services from the ground up. The position offers significant ownership, technical influence, and the chance to contribute to complex systems operating at meaningful scale. Ideal candidates are passionate builders who thrive in fast-paced environments, enjoy solving challenging distributed systems problems, and want to shape the future of financial technology through impactful engineering work.

Accountabilities:

• Design, develop, and maintain backend systems and services supporting financial products, transaction processing, and payment infrastructure.
• Own large technical domains end-to-end, including API design, scalability, observability, security, and system reliability.
• Architect scalable and highly available services and data models that support rapid platform growth and operational excellence.
• Collaborate closely with cross-functional teams to deliver innovative financial experiences and core platform capabilities.
• Lead by example through mentorship, code reviews, technical planning, and best engineering practices.
• Drive improvements in tooling, frameworks, and backend architecture while staying current with emerging technologies and industry trends.
• Participate in on-call rotations and contribute to troubleshooting and operational support for production systems.

Requirements:

• 4+ years of professional software engineering experience with a proven track record of shipping scalable, high-quality products.
• Strong proficiency in Node.js, TypeScript, and backend service architecture.
• Solid understanding of distributed systems, asynchronous architectures, scalability, and low-latency backend design principles.
• Experience with cloud platforms such as AWS, Google Cloud, or Azure.
• Familiarity with modular monoliths, microservices architectures, and associated design tradeoffs.
• Strong analytical and problem-solving abilities with a data-driven approach to technical decision-making.
• Excellent written and verbal communication skills with the ability to collaborate effectively across teams.
• Demonstrated ownership mindset with the ability to independently drive projects from concept through deployment.
• Experience building and launching complex technical products or systems is highly valued.

Benefits:

• Competitive salary package ranging from $150,000 to $220,000 annually
• Meaningful equity opportunities and long-term growth potential
• Fully remote work options available within the United States, Canada, and Colombia
• Opportunity to work on high-scale financial systems and cutting-edge fintech products
• Direct collaboration with experienced leadership, investors, and cross-functional teams
• Fast-paced, high-impact engineering culture with strong ownership and autonomy
• Exposure to AI-driven financial innovation and large-scale distributed systems
• Collaborative environment focused on technical excellence, growth, and innovation.