Python Sr Developer

Job Title: Python Sr Developer

Location: Des Moines, IA Onsite

Duration: Fulltime/Permanent

We are seeking an experienced Senior Python Developer with strong AWS cloud expertise to design, develop, and support scalable, cloud-native applications, APIs, and data solutions. The ideal candidate will combine deep Python development skills with hands-on experience building distributed systems on AWS. This role requires ownership of the full software lifecycle, from solution design and implementation to production support and operational excellence.

Key Responsibilities

Python Development & API Engineering

• Design, develop, and maintain Python-based backend applications, microservices, and APIs.

• Build scalable RESTful APIs and integrations supporting enterprise applications and data platforms.

• Develop reusable components, libraries, and automation frameworks following engineering best practices.

• Implement secure API authentication, authorization, rate limiting, and monitoring capabilities.

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Data Engineering & Processing

• Build and maintain data ingestion, transformation, and processing pipelines.

• Develop solutions for integrating data across multiple internal and external systems.

• Optimize data access patterns, database interactions, and application performance.

• Ensure data quality, validation, observability, and operational reliability.

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AWS Cloud Engineering

• Design and implement cloud-native solutions using AWS services such as Lambda, ECS, EKS, API Gateway, S3, DynamoDB, RDS, SQS, SNS, EventBridge, CloudWatch, and Step Functions.

• Develop highly available, fault-tolerant, and scalable applications leveraging AWS best practices.

• Implement infrastructure automation, deployment pipelines, monitoring, and operational controls.

• Collaborate with cloud, security, and platform teams to ensure compliance, governance, and cost optimization.

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Production Support & Reliability

• Support business-critical production systems and APIs in a high-availability environment.

• Perform incident triage, root cause analysis, and issue remediation.

• Analyze logs, metrics, and system behavior to identify performance bottlenecks and reliability risks.

• Drive continuous improvements in resiliency, observability, scalability, and operational efficiency

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AI-Assisted Software Development

• Leverage AI-powered development tools such as GitHub Copilot, Amazon Q, ChatGPT, Cursor, or equivalent tools to accelerate development and improve code quality.

• Utilize AI for code generation, unit test creation, documentation, troubleshooting, code rev iews, and solution prototyping.

• Validate AI-generated outputs to ensure alignment with security, architectural, and engineering standards.

• Promote responsible adoption of AI-assisted development practices within the engineering team

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Technical Leadership

• Mentor junior developers and contribute to engineering standards and best practices.

• Participate in architecture reviews, technical design discussions, and code reviews.

• Partner with product, business, architecture, and operations teams to deliver high-quality solutions.

• Communicate complex technical concepts effectively to both technical and non-technical stakeholders.

Required Skills

• 8 years of hands-on Python development experience.

• Strong experience building APIs, microservices, and distributed systems.

• Solid experience designing and implementing solutions on AWS.

• Experience with cloud-native architectures, event-driven systems, and enterprise integrations.

• Strong understanding of system design, scalability, reliability, and performance optimization.

• Experience supporting production systems in large-scale enterprise environments.

• Proficiency with SQL and NoSQL databases.

• Experience with CI/CD, monitoring, logging, and observability practices.

Preferred Qualifications

• Experience with FastAPI, Flask, or Django.

• Experience with Docker, Kubernetes, ECS, or EKS.

• Experience with AWS serverless and event-driven architectures.

• Familiarity with Infrastructure as Code (Terraform, CloudFormation, CDK).

• Experience in financial services, insurance, or other regulated enterprise environments.

• Prior experience as a Senior Engineer, Technical Lead, or Solution Designer.