Senior Software Engineer

We're seeking a talented Senior Software Engineer to join our mission of revolutionizing payments for service-based companies by building the robust, scalable infrastructure that powers our accounts receivable automation platform. In this role, you'll architect and develop core backend services, design event-driven data pipelines, and ensure the reliability and performance of systems that process critical financial transactions for our clients.

Working closely with Product and Operations teams, you'll leverage your expertise in Go (or other similar language) and distributed systems to deliver high-quality features rapidly while maintaining the transparency, dependability, and partnership values that define Alternative Payments.

This is an opportunity to make a direct impact on how businesses manage their payment processes, contributing to a platform that reduces costs and complexity for companies while working alongside a global, diverse and collaborative team.

• Build backend services
  Develop and maintain core services that handle data processing, transformations, and business logic.

• Design event-driven pipelines
  Craft idempotent, queue-based workflows (Kafka, RabbitMQ, etc.) to process messages without duplication.

• Write clean, maintainable code
  Author services in Go (or a similar language) and SQL (Postgres or equivalent), following clear coding standards and review practices.

• Drive quality & reliability
  Implement unit, integration, and end-to-end tests; instrument metrics (throughput, latency, error rates) and alerts; rapidly diagnose and resolve issues.

• Collaborate & iterate
  Partner with Product and Operations to deliver features quickly; pair with teammates to share knowledge and continuously refine our tooling and processes.

• Experience: 4–7 years in professional software development, with mid- or senior-level responsibilities

• Technical Skills:

  • Strong in Go (or comparable backend language) and SQL (Postgres or equivalent)

  • Comfortable with event buses/queues (Kafka, RabbitMQ, etc.)

  • Solid testing discipline: unit, integration and end-to-end

  • Familiarity with Git workflows, code reviews and CI/CD pipelines

• Mindset:

  • Quick learner who thrives in a fast-moving environment

  • Detail-oriented problem solver, especially around data consistency

  • Clear communicator and collaborative team player

• Prior work on payment platforms or financial/data reconciliation

• Hands-on experience integrating with QuickBooks Online, Xero, Netsuite or similar APIs

• Understanding of accounting principles (e.g. double-entry)

• Observability tooling (Prometheus, Grafana)

• Basic compliance/security exposure (encryption, audit trails)

• Competitive salary: the typical compensation range for this role is 72k - 90k USD/year. Individual pay is determined by factors including relevant skills, experience, education & training.

• Equity shares (we just raised a Series A).

• Unlimited PTO.

• Yearly Learning & Development budget and laptop reimbursement stipend upon joining.

• Opportunity to work with a global, dynamic and innovative team who truly cares about making a real impact in a rapidly growing industry.

Alternative Payments is a leading payments platform for service-based companies. Our innovative platform enables businesses to automate the entire accounts receivable process and reduce the overall expense of payment processing. We are dedicated to fostering growth and providing exceptional value to our clients.

• Transparency & Honesty: We operate with transparency to our customers, investors, and other partners, every step of the way.

• Dependability: We are dependable. We do what we say we are going to do and we do not cut corners.

• Partnership: We are partners to our customers, investors, and each other, and work together to solve exciting massive problems.

• Revolutionary & Boldness: We are revolutionary & bold. We break down barriers and walls to build our own walls in a stronger, safer, and simpler manner.

• Diversity & Inclusion: We work together with people of all backgrounds and seek different viewpoints to generate stronger partnerships and create a stronger, more inclusive company and world.

We want to share something important: studies show that men generally apply for jobs when they meet about 60% of the qualifications, while women and people from underrepresented backgrounds often feel they need to meet every requirement before applying. If you're reading this job description and thinking, "I'd love this role, but I'm not sure I'm ready," we hope you'll apply anyway. We'd be thrilled to connect and explore whether this could be a great mutual fit.

Building an inclusive, accessible workplace isn't just something we believe in — it's how we operate every day. We welcome candidates from all backgrounds and are committed to ensuring our hiring process works for everyone. If you need any accommodations along the way, please don't hesitate to let us know. We're here to support you