Senior Software Engineer

At Alternative Payments, we are transforming the way service-based companies handle payments. Our innovative platform automates the entire accounts receivable process, helping businesses save time, reduce costs, and scale with confidence.

We are building a global team that values innovation, impact, and collaboration. As part of a scaling FinTech company, every person on our team has the opportunity to shape our future, influence our products, and make a real difference for our customers.

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.

This role is ideal for someone who thrives on architecting and developing core backend services, design event-driven data pipelines, and ensuring 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.

This role is available to candidates who are eligible to work in Brazil, fully remote.

• 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.

• 4–7 years in professional software development, with 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.

• How you like to work:

  • 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).

• Track record of mentoring, leading projects, or driving organizational improvements.

• Comfort working in fast-paced, dynamic, and high-impact environments.

• Competitive salary

  • The total compensation range for this role is between 72k - 90k USD/year, plus equity. The range displayed on each job posting reflects the approximate total target compensation for the position. Within the range, individual pay is determined by factors including relevant skills, experience, education/training.

• Equity opportunities so you can share in our growth and success.

• Unlimited PTO and flexibility when you need it the most.

• Yearly learning & development stipend to help you grow and do your best work.

• Claude Code for our engineering team.

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

At Alternative Payments, you’ll do work that truly matters.

• Own your impact: Lead meaningful, high-impact projects and collaborative initiatives that are shaping the future of FinTech and redefining how businesses get paid.

• Collaborate: Work with a diverse, innovative team where every voice is heard and great ideas come from anywhere.

• Grow with us: Your career journey is top of mind. We prioritize internal growth and give you the space to shape your path based on your goals — whether that’s deepening your expertise in your domain or exploring something new.

• Thrive in a supportive culture: As a scaling start-up, there’s a lot to be done and initiative is key. We believe in shared learning, open communication, and building each other up. When one of us grows, we all do.

• Transparency & Honesty: We communicate openly and truthfully with partners, investors, and each other so everyone understands where we stand and where we’re headed.

• Resourcefulness: We stay scrappy, find creative solutions, and make progress even when the path isn’t obvious. We have a bias for action and seek out the information and resources necessary to make decisions and move quickly.

• Partnership: We win and lose together. We collaborate with our partners, investors, and teammates to tackle big challenges and reach shared goals.

• Revolutionary & Boldness: We challenge conventions, take calculated risks, and build better, stronger solutions that move our business and the industry forward.

• Accountability: We take ownership of our decisions and results. We follow through on our commitments knowing our work directly impacts our partners, our team and our business.

We’re looking for candidates who are ready to step in and make an impact from day one. We know that sometimes people hold back unless they meet every requirement, but if you’re excited about the role, bring relevant experience, and are ready to contribute, we want to hear from you!

All resumes are reviewed by our small but mighty talent team. While we may use AI tools to help prioritize applications, real people are behind every resume review and hiring decision. We’re also committed to an inclusive and accessible process. If you require reasonable accommodation during the hiring process, please let us know upon being selected to interview.