Senior Software Engineer - Product Expansion Team

About the role

Alternative Payments is building the financial operating system for SMBs, consolidating the disconnected tech stack that holds service-based businesses back. Starting with MSPs, we've spent five years perfecting accounts receivable, and we're now expanding into accounts payable, AI-powered analytics, and beyond. We're at an inflection point: closing the loop on money movement and laying the foundation for a platform that will reshape how service businesses operate financially. We're growing fast, thinking big, and building a global team that wants to be part of something that lasts. We believe the best solutions come from diverse perspectives, deep collaboration, and a shared obsession with customer impact. If you're energized by real problems, real customers, and real impact, we want to hear from you! What We’re Looking For 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. You’ll join our Product Expansion team, which owns two of our core products: Accounts Payable, where we’re currently building multi-use virtual cards, and Analytics. 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. What You’ll Do 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. What You’ll Bring Strong in Go (or comparable backend language) and SQL (Postgres or equivalent). Experience working on payment platforms or with payments/financial transactions. 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. 4–7 years in professional software development, with senior-level responsibilities. Nice-to-Haves Data lake or analytics engineering experience (ClickHouse, dbt, Dagster, Spark/Databricks, Snowflake or similar). Experience working on analytics products. Frontend experience with TypeScript. Prior work on 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. What we offer Competitive salary tailored to your experience, skills, and expertise. The total compensation range for this role is $90,000 - $105,000, 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, and 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. Why Choose Alternative Payments? 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. Want to see what we're actually building? We made a short video so you don't have to take our word for it. Get a glimpse of our product, our people, and the problems we're solving, then decide if it sounds like your kind of place. Our Values 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. Applying to Alternative Payments 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. Apply directly on RemoteJobs.org : https://remotejobs.org/remote-jobs/senior-software-engineer-product-expansion-team-alternative-payments