Mission-Critical Backend Engineer (Python + AWS)

Zachary Piper Solutions; Denver, Northern (CO, KY); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work flexibility

Comprehensive benefits

PTO and holidays

Job summary

Zachary Piper Solutions is seeking a Backend Engineer to support a federal mission software program focused on modernizing cloud-native operations. This hybrid role includes locations in Denver and other major cities.

You will design, build, and maintain backend services, APIs, and cloud-integrated capabilities for mission-critical federal operations. The position requires an active secret security clearance and collaboration with cross-functional teams in an Agile environment, using modern tech

Qualifications

• Bachelor’s degree in Computer Science or related field (or equivalent hands-on experience).
• 3+ years of professional backend or full-stack engineering experience.
• Strong proficiency in Python and API development (REST or GraphQL).
• Experience with AWS services (Lambda, ECS/EKS, EC2, S3, RDS, CloudWatch).
• Hands-on experience with Docker and containerized applications.
• Familiarity with Kubernetes deployments (EKS preferred).
• Experience with Terraform or other Infrastructure-as-Code tools.
• Strong Git workflow experience (GitHub/GitLab).
• U.S. Person status and ability to obtain a U.S. Security Clearance.

Responsibilities

• Develop backend services and APIs using Python in a production environment.
• Integrate AWS services including EC2, Lambda, ECS/EKS, S3, RDS, CloudWatch, and Fargate.
• Build and maintain GraphQL or REST interfaces for mission-critical applications.
• Support AI/LLM integrations with platforms such as OpenAI, Anthropic, and AskSage.
• Implement scalable, secure, and cost-efficient cloud architectures.
• Troubleshoot backend issues, optimize performance, and improve system reliability.
• Collaborate with frontend engineers, AI engineers, and product teams in an Agile environment.
• Contribute to CI/CD pipelines, DevSecOps tooling, and infrastructure automation using Terraform or similar IaC tools.

Skills

Python

API development

AWS

Docker

Kubernetes

Git/GitHub/GitLab

REST/GraphQL

CI/CD

Education

Bachelor’s degree in Computer Science or related field

Tools

Terraform

Docker

Kubernetes

GitHub/GitLab

AWS

Job description

Zachary Piper Solutions is seeking a Backend Engineer to support a federal mission software program focused on modernizing cloud-native operations. This hybrid role includes locations in Denver and other major cities.

You will design, build, and maintain backend services, APIs, and cloud-integrated capabilities for mission-critical federal operations. The position requires an active secret security clearance and collaboration with cross-functional teams in an Agile environment, using modern tech