> Markdown version of [/jobs/ext/1243100-lead-software-engineer-python-api-microservices](https://www.wearedevelopers.com/jobs/ext/1243100-lead-software-engineer-python-api-microservices). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer (Python, API Microservices,... - **Company:** Toyota Motor Sales, U.S.A., Inc. - **Location:** Plano, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, Cloud Computing, Information Systems, Computer Programming, Continuous Integration, Data as a Services, Information Engineering, Data Governance, Extract Transform Load (ETL), Elasticsearch, Github, Gradle, Identity and Access Management, Python (Programming Language), Apache Maven, OAuth, Parsing, Regression Testing, E2e Testing, Swagger, Secure Coding, SQL Databases, Data Streaming, Unstructured Data, Management of Software Versions, Data Logging, Data Processing, Snowflake, Backend, AWS ECS, Gitlab, Cloudformation, Fastapi, Data Lakes, Information Technology, AWS Glue, AWS Fargate, AWS Data Analytics, Build Tools, Functional Programming, Api Design, Cloudwatch, Api Gateway, Restful APIs, Terraform, Stream Analytics, Dynatrace, Serverless Computing, Jenkins, Mulesoft, Artifactory, Microservices - **Published:** July 11, 2026 - **Apply:** https://www.juju.com/job/00000000gf4j5w ## About the Role Toyota Financial Services is seeking a motivated Senior Software Engineer with expertise in Python, FastAPI, AWS Glue Catalog, PyIcebeg, AWS S3, AWS Glue ETL, ECS Fargate and real-time streaming using AWS MSK. You will design, build, and support a scalable, serverless Data Lake platform leveraging Lambda, ECS containers, and API Gateway to enable real-time analytics and data processing. This role requires strong knowledge of microservices, AWS infrastructure setup, and architectural decision-making to deliver efficient, secure, and scalable solutions. As a hands-on tech lead, you will guide a squad of engineers and collaborate closely with architects, business stakeholders, and data governance teams to build robust data services and APIs. What** **you'll** **be doing Lead/Senior Python Developer (Python, AWS, Microservices) - Requirements Backend/API Development + Build andmaintainRESTful APIs with Python, containerized and deployed on AWS ECS Fargate. + Design clean contracts and versioned APIs; document with Open API/Swagger. Data Engineering Development + Design and develop Python-based ETL pipelines using AWS Glue ETL and Glue Catalog to efficiently ingest, parse, and transform diverse data sources. + Implement robust Python file parsing mechanisms to handle structured and unstructured data with accuracy. Ensure data quality and integrity through comprehensive auditing and data quality (DQ) checks integrated within the ETL workflows. + Design and develop an AWS S3 to Snowflake integration that leveragesPyIcebergfor efficient file format management and data versioning. AWS & Infrastructure + Configure API Gateway for secure routing, throttling, authentication/authorization. + Use IAC (Terraform or AWS CloudFormation) for ECS/Fargate, API Gateway, IAM, networking. + Utilize AWS services: S3, Lambda, OpenSearch/Elasticsearch, CloudWatch, Bedrock. CI/CD, Quality, and Testing + Build CI/CD pipelines (GitHub Actions, Jenkins, orCodePipeline) for automated build/test/deploy; use GitHub/GitLab and artifact repos (e.g., Artifactory). + Write unit, integration, and end-to-end tests withpytest; automate regression tests with QA., + Education:Bachelor'sor higher in Computer Science, Information Systems, Data Engineering, or related field (or equivalent experience). + Python Expertise: Strong experience building backend services and RESTful APIs with Python (FastAPI) and documenting withOpenAPI/Swagger. + Data Engineering: Strong Experience in building ETL pipelines using Glue ETL, Glue Catalog,AWS S3, Lambda and ECS. + Cloud:Proficiencywith AWS (e.g., ECS Fargate, API Gateway, Lambda, S3, CloudWatch); + Infrastructure as Code: Practical experience with Terraform (and/or AWS CloudFormation). + Programming & Data: Hands-on skills in Python, SQL + Build & CI/CD:Proficiencywith Git/GitHub, CI/CD tools (GitHub Actions, Jenkins); familiarity with build tools (Gradle/Maven) where Java is used. + Communication: Clear, concise communicator who can influence decisions with data, presentations, and visualizations. + Ways of Working: Effective collaborator in a hybrid environment; able to work independently with strongleadershipand follow-through. Added bonus** **if you have + Security/Compliance:Understanding ofIAM, OAuth2/JWT, and secure coding practices; experience in regulated environments (e.g., SOC 2, HIPAA) is a plus. + Observability: Experience with CloudWatch, Dynatrace, and centralized logging (OpenSearch/Elasticsearch). + Testing:Comfortwithpytest, integration/E2E testing, and performancetesting ## Description + Implement centralized logging and metrics (CloudWatch, Dynatrace; Elasticsearch/OpenSearch if needed); set up SLIs/SLO-based alerts. + Troubleshoot incidents using logs, traces, and metrics; proactively address bottlenecks. + Security & Governance + Implement SSO/OAuth2/JWT; follow AWS and MuleSoft integration security best practices where applicable. + Apply API application guardrails for safe, compliant usage; manage secrets and dependency scanning. Leadership & Delivery + Own technical direction and architecture working with architecture group and Principal engineer for Python-based microservices and AWS services integrations with AWS Data Lake. + Break down roadmaps into milestones; drive estimations, delivery predictability, and risk management. + Lead design reviews,establishengineering standards, and approve critical architectural decisions. + Mentorengineers;provide feedback and growth plans; foster high-quality code and documentation. ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Modular Secrets to Lightning-Fast Android Builds](https://www.wearedevelopers.com/videos/1428-modular-secrets-to-lightning-fast-android-builds) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)