Subway

Sr. API Engineer

Subway$119K — $149K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of production software development experience.
  • Experience in building and operating scalable RESTful/GraphQL APIs.
  • Proficiency in JavaScript/TypeScript (Node.js), Java, or C#.
  • Familiarity with AWS serverless architectures (Lambda, API Gateway, DynamoDB).
  • Knowledge of integration patterns like event-driven architecture and pub/sub.
  • Experience with third-party platform integrations.
  • Proficient with AI development tools such as GitHub Copilot.

Responsibilities

  • Design, develop, and document APIs for Subway's middleware platform.
  • Champion AI-assisted development tools in the team.
  • Build and maintain integrations with major delivery services like DoorDash and Uber Eats.
  • Collaborate with stakeholders to translate requirements into implementation plans.
  • Conduct code reviews and provide guidance to junior engineers.
  • Enforce data governance and compliance standards in development processes.

Benefits

  • Insurance Plans (Medical, Life)
  • Pension/401K/RSP (country specific)
  • Competitive Bonus
  • Mobility Allowance
  • Tuition Reimbursement
  • Company Holidays
  • Volunteering time
  • And More....
Full Job Description
Senior Software Engineer, APIs - Shelton, CT

This role is based out of our Shelton, CT headquarters.

About the Role:

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 DoorDash, 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 GitHub Copilot and Claude daily.

Responsibilities include but not limited to:
  • 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 (GitHub 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., 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 (some examples listed below):
  • 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/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).
  • People Management: No | Department: Guest Technology | Location: Shelton, CT (USA) | Scope: Global | Travel: Less than 10%.


What do we offer?
  • 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.

About Subway

Subway is a fast food restaurant chain that specializes in submarine sandwiches and salads. The company was founded in 1965 by Fred DeLuca and Peter Buck and is headquartered in Milford, Connecticut. Subway has over 44,000 locations in more than 100 countries, making it the largest fast food chain in the world by number of locations. The company is known for its customizable sandwiches and healthy options, such as its Fresh Fit menu. Subway is a privately held company and does not disclose its financial information.
Learn more about Subway
Size
450,000 employees
Industry
Founded
2007

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