Sr. API Engineer

About the role

Syndicate is collaborating with Subway to find top-notch professionals for this role. Based in Shelton, CT, this position is at Subway Headquarters. Are you ready to contribute to one of the world’s most recognizable brands? Why Join Subway? At Subway, we’re not standing still. We’re innovating. Our team thrives on making a significant impact. You’ll not just execute tasks; you’ll shape them. We move swiftly, act like owners, and set high standards because our actions affect thousands of franchisees worldwide. If you bring enthusiasm, accountability, and a bias for action, you’ll fit right in. We take work seriously, but we also prioritize teamwork, celebrating successes, and consistently striving to improve. This is your opportunity to be part of what’s next.

Responsibilities

• Design, develop, and document new and enhanced APIs as part of the Subway middleware platform, supporting both internal and external partner systems.
• Leverage AI-assisted development tools (GitHub Copilot, Claude, etc.) as a core part of daily engineering work.
• Champion AI tooling adoption across the team.
• Build and maintain integrations with third-party delivery and marketplace partners (e.g., DoorDash, Uber Eats), ensuring reliable order flow, menu synchronization, and real-time operational data exchange.
• Collaborate with business stakeholders and product teams to understand requirements; translate them into scalable, maintainable architecture and implementation plans.
• Conduct constructive code reviews and provide technical design guidance to peers and junior engineers.
• Enforce data governance, security policies, and compliance standards throughout the software development lifecycle.

Qualifications

• 5+ years of hands-on production software development experience.
• Demonstrated experience building and operating RESTful and/or GraphQL APIs at scale.
• Strong proficiency in one or more of: JavaScript/TypeScript (Node.js), Java, or C#.
• Experience with serverless architectures on AWS (Lambda, API Gateway, DynamoDB, SQS/SNS).
• Solid understanding of integration patterns: event-driven architecture, webhooks, async messaging, and pub/sub.
• Experience integrating with third-party platforms and vendor APIs.
• Proficiency with AI-assisted development tools (GitHub Copilot, Claude, or equivalent).
• Experience with CI/CD pipelines and source control workflows (Git, GitHub Actions, Azure DevOps).
• Strong debugging, root-cause analysis, and production incident management skills.
• Bachelor's degree or higher in Computer Science, Software Engineering, or a related field (or equivalent practical experience).

Benefits

• Insurance Plans (Medical, Life)
• Pension/401K/RSP (country specific)
• Competitive Bonus
• Mobility Allowance
• Tuition Reimbursement
• Company Holidays
• Volunteering Time