Senior Software Engineer, Billing

About the role: At Forter, "Billing" isn't just about invoices, it’s the financial heartbeat of a platform protecting over $500B in annual commerce. As we scale toward our next phase of growth, we are looking for a Senior Engineer to architect the mission critical systems that translate massive data streams into financial reality. We aren't looking for a "maintainer." We are looking for a builder who wants to own the core engine that powers Forter’s diverse and expanding product lines. Why you should join us: Scale that Matters: You’ll handle high-volume data across 1 billion+ identities. This is a "zero-error-margin" environment where precision meets massive scale. AI-First Development: You won’t just use AI tools; you’ll build them. You will drive continuous efforts to automate complex processes and maintain a custom AI Agent designed to orchestrate billing data and handle automated requests, ensuring our systems remain as fast as they are precise. High Autonomy, High Impact: The Billing domain is the cornerstone of every new product launch. If you build it, the whole company feels the impact immediately. What you'll be doing: Design, build, and maintain scalable and resilient systems that handle high-volume data, while collaborating with teammates and individual contributors at Forter Lead projects from concept to production, ensuring the highest standards of quality and financial integrity. Work on data-driven initiatives that improve system performance, efficiency, and billing accuracy Partner with Product and Business stakeholders to navigate technical trade-offs that directly affect Forter's bottom line. Use AI coding tools as a natural part of how you work, reviewing, guiding, and improving AI-generated code is part of the day-to-day here Help foster best practices and maintain a high standard of engineering excellence What you'll need: 6+ years of experience developing and maintaining production systems Strong backend fundamentals; Python is our primary language, but we value engineering fundamentals over specific syntax Proven experience owning systems in production, including monitoring, troubleshooting, performance and reliability improvements Familiar with DevOps tools and practices, including CI/CD, deployment pipelines, observability, and quality assurance (unit, integration testing) Experience with AWS and storage at scale (MySQL, Snowflake, Redis) A proactive attitude and a passion for providing technical solutions that bring an immediate business impact and ensure engineering excellence It would be cool if you have: Familiarity with NoSQL data stores such as Elasticsearch Experience building and maintaining data pipelines using industry-standard frameworks like Airflow, Kafka, Delta Lake, etc Experience with Kubernetes or other container orchestration platforms Background in billing / ERP systems About us: Digital commerce is built on trust. At every point along the eCommerce journey, businesses must make a critical decision: Can I trust this customer? Answering this simple question accurately and instantly is powerful—it can accelerate revenue growth and strengthen a company’s connection with its customers. How do we do it? Forter was founded on the insight that it's not about what is being purchased, nor where— but who is behind the interaction. The Forter Decision Engine finds patterns across more than one billion identities in our dataset. We isolate fraudsters and protect customers—ensuring everyone gets the experience they deserve. Given that trust is central to how we operate, Forter is very much driven by a defined set of values. We attract remarkable talent and have retention and engagement levels that are well above benchmarks. We’re meticulous about strengthening our culture as we grow and ensuring this is an environment where people can have outsized impact. Trust is backed by data – Forter is a recipient of over 10 workplace and innovation awards, including: Great Place to Work Certification (202