Senior Backend Engineer (Payments Platform)

In this role, you will help shape the technical foundation for money movement capabilities while unlocking new product lines globally. You will guide the design and development of reliable, scalable, performant, and secure services for the platform, ensuring operational excellence and direct business outcomes.

This is a rare chance to join an early-stage initiative, make foundational architectural decisions, and have a visible impact on the future of small businesses. By contributing directly to production code and proof-of-concepts, you will solve complex financial technology challenges at a massive scale.

Key Focus Areas:

• Designing and building out payment platform capabilities, such as orchestration, risks & fraud, and multi-providers, to accelerate various payment products development and improve operational posture.
• Building out a global bill payment product to streamline how small businesses manage their cash flow.
• Developing core high-throughput platform services.
• Integrating and championing artificial intelligence capabilities to accelerate engineering productivity and enhance developer workflows.

Team Dynamics:

The Payments Platform team is the engine powering money movement across the entire ecosystem, collaborating closely with product, security, risk, and operations. We are a highly collaborative collective that values technical excellence, inclusion, and continuous innovation. Together, we work cross-functionally to translate complex business needs into resilient engineering solutions that support millions of subscribers.

Requirements:

• Proven track record of delivering highly available, distributed backend systems and designing high-throughput services under real-world constraints.
• Deep understanding of system architecture, API design, and both SQL and NoSQL databases is essential.
• Proficiency in modern backend stacks such as C#, Java, Golang, or C++, alongside cloud-native platforms like AWS.
• Passion for staying hands-on with production code, proof-of-concepts, and technical deep dives.
• Strong leadership capabilities, including setting technical direction, mentoring engineers, and fostering an inclusive culture.
• Ability to break down complex problems into clear, actionable solutions while driving agile execution.
• Strong partnership with Product, Design, and cross-functional teams to translate business needs into resilient solutions.
• Champion of advanced AI tools and practices to accelerate development workflows.