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Jobs · Information Technology · New York

Senior Software Engineer - Backend (Python & AWS)

LPL Financial · New York, United States · 3 wk ago
Information Technology$106k–$177k/yrFull-time

About the role

The Senior Software Engineer (Python / AWS) is a critical member of the Data Modernization & Integration organization at LPL Financial. This role focuses on 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.
  • 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.
  • 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.

What Are We Looking For?

We are looking for strong collaborators who deliver reliable, secure, and high-quality API solutions in fast-paced, team-oriented environments. Ideal candidates pursue technical excellence, act with integrity, and are motivated to build scalable platforms that enable business growth. We value continuous improvement, curiosity, and individuals who take ownership and pride in their work.

Pay Range

$106,100.00 - $176,900.00

Company Overview

LPL Financial Holdings Inc. (Nasdaq: LPLA) is among the fastest-growing wealth management firms in the U.S. As a leader in the financial advisor-mediated marketplace, LPL supports over 32,000 financial advisors and the wealth management practices of approximately 1,100 financial institutions, servicing and custodying approximately $2.3 trillion in brokerage and advisory assets on behalf of approximately 8 million Americans. The firm provides a wide range of advisor affiliation models, investment solutions, fintech tools and practice management services, ensuring that advisors and institutions have the flexibility to choose the business model, services, and technology resources they need to run thriving businesses.

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