Senior Software Engineer - Backend (Python & AWS)

Job Overview

The Senior Software Engineer (Python / AWS) is a critical member of the Data Modernization & Integration organization. This role is responsible for designing, building, securing, and operating high-quality, cloud-native REST APIs that power LPL’s core business platforms and integrations.

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.
• Cross-team collaboration.
  • Collaborate closely with application teams, platform engineering, cloud, and security teams.
  • Align API design and implementation with enterprise architectural standards.
  • Contribute to code reviews, design discussions, and technical documentation.
  • Promote best practices and a culture of engineering excellence.
• Strategic influence.
  • 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.

Requirements

• Minimum of 7 years of experience in software engineering, API engineering, or cloud application development.
• Demonstrated hands-on experience with:
  • Python for backend and API development,
  • REST API design and implementation,
  • AWS Lambda and Amazon API Gateway, and
  • Terraform for Infrastructure as Code.
• Experience building and operating APIs in large-scale, production environments.
• Experience with CI/CD, Git-based workflows, and automated testing.
• Ability to troubleshoot production issues and support on-call rotations when required.

Core Competencies

• API Design Mindset — builds clean, consistent, and consumer-friendly APIs.
• Builder Mindset — emphasizes automation, reuse, and simplicity.
• Systems Thinking — understands how APIs integrate with distributed systems.
• Collaboration — works effectively across engineering, security, and platform teams.
• Ownership & Accountability — takes responsibility for design, delivery, and reliability.

Pay Range

$106,100.00 - $176,900.00