Sr. API Engineer

Senior Software Engineer, APIs

Location:

Shelton, CT (headquarters)

Subway is on a mission to build a world-class digital platform that serves millions of guests and thousands of franchise locations globally. The Senior Software Engineer, APIs is a key technical contributor on the team that powers the integration layer connecting Subway's front-end applications (iOS, Android, Web, Kiosk) with our internal and external partner systems.

You'll design, build, and maintain high-performance APIs and services on AWS, collaborating closely with product, architecture, and partner engineering teams. You'll also own integrations with major third-party delivery and marketplace platforms - including Door Dash, Uber Eats, and similar partners. AI-assisted development is a core part of how our team works - you'll be expected to leverage tools like Git Hub Copilot and Claude daily.

• Design, develop, and document new and enhanced APIs as part of the Subway middleware platform, supporting both internal system integration and external partner connectivity.
• Leverage AI-assisted development tools (Git Hub Copilot, Claude, and similar) 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., Door Dash, 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.

• 5 or more 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/Type Script (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 (Git Hub Copilot, Claude, or equivalent).
• Experience with CI/CD pipelines and source control workflows (Git, Git Hub Actions, Azure Dev Ops).
• 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).

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

Compensation: The base pay range for this role is $119,200 - $149,000 annually. Pay within this range will be determined in good faith based on job-related factors, which may include skills, experience, education/training, location, and internal equity.

The Company is only considering applicants who are currently authorized to work in the country the position is based. AA/EOE/D/V