Senior Software Engineer ll, Core Engineering

About the role: Forter is looking for a Senior Software Engineer to join our Core Engineering group. The group is responsible for the real-time, low-latency infrastructure that powers Forter’s fraud decisions and external APIs. Our systems process billions of requests every day, ensuring high availability, security, and performance at global scale. In this role, you’ll work on core backend components such as our decision engine, ingestion and enrichment pipelines, schema management systems, and self-serve API platform. The software you build will power critical business decisions and directly serve some of the world’s largest merchants. This is a high-impact, high-ownership position for an engineer who thrives on solving complex distributed systems challenges, cares deeply about production-grade quality, and wants to shape the foundation of Forter’s decisioning platform. What you'll be doing: • Design, build, and scale backend systems that power Forter’s real-time decisioning and APIs. • Own projects end-to-end - from design and implementation to production rollout and monitoring. • Ensure systems are low-latency, fault-tolerant, and high-throughput across distributed environments. • Enhance observability, reliability, and developer experience through strong operational and tooling practices. • Collaborate with Product, analysts, data scientists, and infrastructure teams to drive innovation across Forter’s decision ecosystem. • Participate in technical discussions and customer interactions, providing expertise and clear communication when supporting enterprise integrations. What you'll need: • 8+ years of experience building backend systems in large-scale production environments • Strong programming skills in Python, Java, Kotlin, or Node.js • Hands-on experience with cloud-native technologies (AWS, Kubernetes, Docker) • Proven ability to design and maintain high-scale distributed systems • Strong sense of ownership, autonomy, and accountability • Excellent communication skills, with the ability to explain complex systems clearly to both technical and non-technical audiences — including direct collaboration with customers worldwide It'd be cool if you also have: • Experience with API Gateway architectures, schema/versioning strategies, or platformization efforts • Familiarity with real-time data processing frameworks (e.g., Flink, Storm) and resilience patterns • Background working alongside data science or machine learning teams • Contributions to developer platforms, infrastructure services, or internal tools improving engineering velocity About Us: Commerce is evolving faster than the systems built to support it. Agentic AI is redrawing how people buy. Customer expectations have a new ceiling. And bad actors are evolving alongside every advancement. Forter was built to meet this moment — and stay ahead of it. We are a human-first, AI-built company. Our technology analyzes patterns across a network of over 2 billion shoppers, delivering identity intelligence across the entire commerce journey — from sign-up to checkout to returns — that protects revenue and unlocks great customer experiences simultaneously. With Forter, businesses know who to trust, whether it’s humans or the agents shopping for them. The result: zero friction for the customers who matter. No revenue left behind. The world's most trusted brands — Nordstrom, Instacart, Priceline, Adobe, ASOS, and eBay among them — rely on Forter to get this right. Since 2013, we've raised $525M from investors including Tiger Global, Bessemer, Sequoia Capital, and Salesforce Ventures, and today we power commerce decisions for nearly 1 million businesses globally. We're more than fraud, payments and orchestration – we make trust a competitive advantage.