Senior API/Backend Engineer

Capgemini • Columbia, SC

1d • $103,330 - $128,656 • Hybrid

About The Position

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Requirements

• 7+ years of experience in software engineering, API engineering, or cloud application development.
• Bachelor's degree in Computer Science, Engineering, or related field (Master's preferred).
• Demonstrated hands‑on experience with Python for backend and API development
• Demonstrated hands‑on experience with REST API design and implementation
• Demonstrated hands‑on experience with AWS Lambda and Amazon API Gateway
• Demonstrated hands‑on experience with Terraform for Infrastructure as Code
• Experience building and operating APIs in large‑scale, production environments.
• Strong understanding of authentication, authorization, and secure API design.
• Experience with CI/CD, Git‑based workflows, and automated testing.
• Ability to troubleshoot production issues and support on‑call rotations when required.

Nice To Haves

• API Design Mindset - builds clean, consistent, and consumer‑friendly APIs.
• Experience with OAuth providers and identity platforms.
• Familiarity with AWS SAM or Serverless Framework (tooling experience).
• Exposure to event‑driven architectures (EventBridge, SNS/SQS).
• Experience operating APIs in regulated or enterprise environments (financial services preferred).
• Knowledge of observability tools such as CloudWatch, Dynatrace, Datadog, Open Telemetry.
• Experience designing reusable API frameworks or shared libraries.

Responsibilities

• Design, develop, and maintain Python‑based REST APIs that support business‑critical workflows.
• Build APIs using AWS Lambda and Amazon API Gateway, following API‑first and REST best practices.
• Implement clean, testable, and well‑documented Python code suitable for enterprise production environments.
• Optimize API performance, reliability, scalability, and error handling.
• Ensure proper API versioning, contract stability, and backward compatibility.
• Implement secure authentication and authorization mechanisms such as OAuth2, JWT, and IAM‑based access.
• Enforce API security controls including request validation, throttling, rate limiting, and auditing.
• Partner with security teams to ensure APIs meet enterprise security and compliance standards.
• Provision and manage AWS infrastructure using Terraform.
• Create and maintain reusable Terraform modules for API Gateway, Lambda, IAM roles and policies, CloudWatch logging and monitoring.
• Ensure environment consistency across DEV, QA, UAT, and PROD.
• Design and maintain CI/CD pipelines for build, test, and deployment of Python APIs.
• Support automated testing, packaging, versioning, and release management.
• Implement observability through logging, metrics, alerts, and tracing.
• Participate in troubleshooting, root cause analysis, and production support activities.
• Collaborate closely with application teams, platform engineering, cloud, and security teams.
• Align API design and implementation with enterprise architectural standards.
• Actively contribute to code reviews, design discussions, and technical documentation.
• Promote best practices and a culture of engineering excellence.
• Influence API engineering standards, patterns, and best practices across the organization.
• Contribute to architectural reviews and modernization efforts.
• Help drive consistent, scalable, and maintainable cloud‑native API solutions.

Benefits

• Flexible work
• Healthcare including dental, vision, mental health, and well-being programs
• Financial well-being programs such as 401(k) and Employee Share Ownership Plan
• Paid time off and paid holidays
• Paid parental leave
• Family building benefits like adoption assistance, surrogacy, and cryopreservation
• Social well-being benefits like subsidized back-up child/elder care and tutoring
• Mentoring, coaching and learning programs
• Employee Resource Groups
• Disaster Relief
• Vacation: 12-25 days, depending on grade
• Company paid holidays
• Personal Days
• Sick Leave
• Medical, dental, and vision coverage
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs

What This Job Offers

• Job Type: Full-time
• Career Level: Senior