Senior Software Engineer, Agentic Commerce
Total System Services, LLC (TSYS)23 hours ago
Atlanta, GA, USASenior
Responsibilities
- Design and build secure checkout and payment APIs that AI agents can invoke reliably and deterministically.
- Implement flows for agent context, user intent, delegated authority, payment credentials, risk signals, transaction evidence, and reporting data.
- Integrate agentic commerce capabilities with payment platforms, gateways, checkout, tokenization, authentication, fraud, reporting, and merchant-facing systems.
- Build merchant-facing APIs, SDKs, documentation, sample flows, sandbox experiences, and developer tools.
- Develop and operate Java-based backend services for high-trust, real-time payment workflows.
- Own features from design through implementation, testing, deployment, monitoring, and iteration.
- Contribute to design reviews, code reviews, service documentation, production readiness, and cross-functional delivery.
Requirements
- At least 5 years of software engineering experience building and operating production services, APIs, distributed systems, or transaction-processing applications.
- Experience building and operating cloud-based systems on AWS, Google Cloud Platform, or comparable public cloud environments.
- Strong fundamentals in deployment, monitoring, reliability, secure service design, API design, testing, observability, resilience, maintainability, and production support.
- Practical interest in AI agents and agentic workflows, including API invocation, structured data, delegated permissions, and validation before real-world actions.
- Ability to collaborate across product, architecture, security, fraud, checkout, tokenization, gateway, and platform teams.
- Preferred experience in payments, fintech, commerce, gateways, card-not-present processing, checkout, tokenization, 3DS/SCA, fraud/risk, disputes, or merchant reporting.
- Preferred experience with AI-powered applications, agent frameworks, LLM tool-calling patterns, MCP-style integrations, A2A-style workflows, structured automation, validation, policy checks, audit logs, fallback paths, prompt-injection protection, or tool-misuse protection.
- Hands-on experience with Node.js, TypeScript, SDKs, developer tooling, sandbox environments, sample applications, merchant-facing APIs, GitHub projects, open-source tools, standards discussions, AI engineering communities, or technical forums is a bonus.
Benefits
- Inclusive and global team environment with opportunities to learn and grow.
- Dynamic opportunities to work on an emerging global commerce platform.
- Equal opportunity employer with reasonable accommodations available during hiring and employment.
- U.S. employees receiving a conditional offer are subject to a drug test.