Senior API Engineer (Python / AWS)
LPL Financial
•
Fort Mill, SC
0
0
0
0
Not Applicable
Posted April 1, 2026
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Responsibilities
Commitments
Responsibilities
- API Engineering & Application Development
- 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.
- Security & Access Management
- 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.
- Automation & Infrastructure Engineering
- 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.
- CI/CD & Operational Excellence
- 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.
- Actively 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.
Commitments
Experience to troubleshoot production issues and support on‑call rotations when required.
They have the flexibility to do business their way.
EAC12.9.25
Not Met Priorities
What still needs stronger evidence
Requirements
- API Gateway
- Lambda
- 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
- Terraform for Infrastructure as Code
- Experience building and operating APIs in large‑scale, production environments.
- Understanding of authentication, authorization, and secure API design.
- Experience with CI/CD, Git‑based workflows, and automated testing.
- Experience to troubleshoot production issues and support on‑call rotations when required.
- Experience designing and delivering clean, consistent, and consumer‑friendly APIs.
- Experience driving automation, reuse, and simplicity in engineering solutions.
- Experience applying systems‑thinking principles to integrate APIs within distributed systems.
- Experience collaborating effectively across engineering, security, platform, and cross‑functional teams.
- Experience taking full ownership for the design, delivery, reliability, and support of production API services.
Preferred Skills
- Experience taking full ownership for the design, delivery, reliability, and support of production API services.
- 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, OpenTelemetry.
- Experience designing reusable API frameworks or shared libraries.
- Bachelor’s degree in Computer Science, Engineering, or related field (Master’s preferred).
Education
- (Not required) – Exposure to event‑driven architectures (EventBridge, SNS/SQS).
- (Not required) – Bachelor’s degree in Computer Science, Engineering, or related field (Master’s preferred).
Where Ambition Meets Innovation
Build a career that matches all your initiative with an impressive dose of innovation. From cutting-edge resources and a collaborative environment to the freedom to make an impact and more, you’ll find the ingredients you need at LPL Financial to shape your success while helping clients pursue their financial goals.
Job Overview:
The Senior API 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.
This engineer will focus primarily on Python‑based API development on AWS, leveraging services such as API Gateway, Lambda, and related AWS components, with all infrastructure managed through Terraform. The role plays an important part in modernizing legacy integrations and defining engineering standards for reliable, secure, and scalable API services.
The ideal candidate combines deep hands‑on Python API engineering expertise with strong cloud architecture skills, a passion for automation, and the ability to collaborate across platform, data, security, and application teams.
Responsibilities
API Engineering & Application Development
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.
Security & Access Management
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.
Automation & Infrastructure Engineering
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.
CI/CD & Operational Excellence
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.
Actively 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.
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.
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
Terraform for Infrastructure as Code
Experience building and operating APIs in large‑scale, production environments.
Understanding of authentication, authorization, and secure API design.
Experience with CI/CD, Git‑based workflows, and automated testing.
Core Competencies:
Experience to troubleshoot production issues and support on‑call rotations when required.
Experience designing and delivering clean, consistent, and consumer‑friendly APIs.
Experience driving automation, reuse, and simplicity in engineering solutions.
Experience applying systems‑thinking principles to integrate APIs within distributed systems.
Experience collaborating effectively across engineering, security, platform, and cross‑functional teams.
Experience taking full ownership for the design, delivery, reliability, and support of production API services.
Preferences:
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, OpenTelemetry.
Experience designing reusable API frameworks or shared libraries.
Bachelor’s degree in Computer Science, Engineering, or related field (Master’s preferred).
Pay Range:
$106,125-$176,875/year
Actual base salary varies based on factors, including but not limited to, relevant skill, prior experience, education, base salary of internal peers, demonstrated performance, and geographic location. Additionally, LPL Total Rewards package is highly competitive, designed to support your success at work, at home, and at play – such as 401K matching, health benefits, employee stock options, paid time off, volunteer time off, and more. Your recruiter will be happy to discuss all that LPL has to offer!
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(6) , 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. For further information about LPL, please visit www.lpl.com.
At LPL, independence means that advisors and institution leaders have the freedom they deserve to choose the business model, services, and technology resources that allow them to run a thriving business. They have the flexibility to do business their way. And they have the freedom to manage their client relationships, because they know their clients best. Simply put, we take care of our advisors and institutions, so they can take care of their clients.
For further information about LPL, please visit www.lpl.com.
Join LPL Financial: Where Your Potential Meets Opportunity
At LPL Financial, we believe that everyone deserves objective financial guidance. As the nation’s leading independent broker-dealer, we offer an integrated platform of cutting-edge technology, brokerage, and investment advisor services.
Why LPL?
Innovative Environment: We foster creativity and growth, providing a supportive and responsive leadership team. Learn more about our leadership team here!
Limitless Career Potential: Your career at LPL has no limits, only amazing potential. Learn more about our careers here!
Unified Mission: We are one team on one mission—taking care of our advisors so they can take care of their clients. Learn more about our mission and values here!
Impactful Work: Our size is just right for you to make a real impact. Learn more here!
Commitment to Equality: We support workplace equality and embrace diverse perspectives and backgrounds. Learn more here!
Community Focus: We care for our communities and encourage our employees to do the same. Learn more here!
Benefits and Total Rewards: Our Total Rewards package goes beyond just compensation and insurance. It includes a mix of traditional and unique benefits, perks, and resources designed to enhance your life both at work and at home. Learn more here!
Join the LPL team and help us make a difference by turning life’s aspirations into financial realities. Please log in or create an account to apply to this position. Principals only. EOE.
Information on Interviews:
LPL will only communicate with a job applicant directly from an @lplfinancial.com email address and will never conduct an interview online or in a chatroom forum. During an interview, LPL will not request any form of payment from the applicant, or information regarding an applicant’s bank or credit card. Should you have any questions regarding the application process, please contact LPL’s Human Resources Solutions Center at (855) 575-6947.
EAC12.9.25
Build a career that matches all your initiative with an impressive dose of innovation. From cutting-edge resources and a collaborative environment to the freedom to make an impact and more, you’ll find the ingredients you need at LPL Financial to shape your success while helping clients pursue their financial goals.
Job Overview:
The Senior API 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.
This engineer will focus primarily on Python‑based API development on AWS, leveraging services such as API Gateway, Lambda, and related AWS components, with all infrastructure managed through Terraform. The role plays an important part in modernizing legacy integrations and defining engineering standards for reliable, secure, and scalable API services.
The ideal candidate combines deep hands‑on Python API engineering expertise with strong cloud architecture skills, a passion for automation, and the ability to collaborate across platform, data, security, and application teams.
Responsibilities
API Engineering & Application Development
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.
Security & Access Management
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.
Automation & Infrastructure Engineering
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.
CI/CD & Operational Excellence
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.
Actively 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.
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.
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
Terraform for Infrastructure as Code
Experience building and operating APIs in large‑scale, production environments.
Understanding of authentication, authorization, and secure API design.
Experience with CI/CD, Git‑based workflows, and automated testing.
Core Competencies:
Experience to troubleshoot production issues and support on‑call rotations when required.
Experience designing and delivering clean, consistent, and consumer‑friendly APIs.
Experience driving automation, reuse, and simplicity in engineering solutions.
Experience applying systems‑thinking principles to integrate APIs within distributed systems.
Experience collaborating effectively across engineering, security, platform, and cross‑functional teams.
Experience taking full ownership for the design, delivery, reliability, and support of production API services.
Preferences:
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, OpenTelemetry.
Experience designing reusable API frameworks or shared libraries.
Bachelor’s degree in Computer Science, Engineering, or related field (Master’s preferred).
Pay Range:
$106,125-$176,875/year
Actual base salary varies based on factors, including but not limited to, relevant skill, prior experience, education, base salary of internal peers, demonstrated performance, and geographic location. Additionally, LPL Total Rewards package is highly competitive, designed to support your success at work, at home, and at play – such as 401K matching, health benefits, employee stock options, paid time off, volunteer time off, and more. Your recruiter will be happy to discuss all that LPL has to offer!
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(6) , 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. For further information about LPL, please visit www.lpl.com.
At LPL, independence means that advisors and institution leaders have the freedom they deserve to choose the business model, services, and technology resources that allow them to run a thriving business. They have the flexibility to do business their way. And they have the freedom to manage their client relationships, because they know their clients best. Simply put, we take care of our advisors and institutions, so they can take care of their clients.
For further information about LPL, please visit www.lpl.com.
Join LPL Financial: Where Your Potential Meets Opportunity
At LPL Financial, we believe that everyone deserves objective financial guidance. As the nation’s leading independent broker-dealer, we offer an integrated platform of cutting-edge technology, brokerage, and investment advisor services.
Why LPL?
Innovative Environment: We foster creativity and growth, providing a supportive and responsive leadership team. Learn more about our leadership team here!
Limitless Career Potential: Your career at LPL has no limits, only amazing potential. Learn more about our careers here!
Unified Mission: We are one team on one mission—taking care of our advisors so they can take care of their clients. Learn more about our mission and values here!
Impactful Work: Our size is just right for you to make a real impact. Learn more here!
Commitment to Equality: We support workplace equality and embrace diverse perspectives and backgrounds. Learn more here!
Community Focus: We care for our communities and encourage our employees to do the same. Learn more here!
Benefits and Total Rewards: Our Total Rewards package goes beyond just compensation and insurance. It includes a mix of traditional and unique benefits, perks, and resources designed to enhance your life both at work and at home. Learn more here!
Join the LPL team and help us make a difference by turning life’s aspirations into financial realities. Please log in or create an account to apply to this position. Principals only. EOE.
Information on Interviews:
LPL will only communicate with a job applicant directly from an @lplfinancial.com email address and will never conduct an interview online or in a chatroom forum. During an interview, LPL will not request any form of payment from the applicant, or information regarding an applicant’s bank or credit card. Should you have any questions regarding the application process, please contact LPL’s Human Resources Solutions Center at (855) 575-6947.
EAC12.9.25