Application Engineer IV

Reflexive Concepts • Laurel, MD

21h

About The Position

Reflexive Concepts is seeking a skilled Application Engineer IV to join our team! Specifically, we are looking for an engineer to design, implement, and optimize modern development pipelines for web applications that were built with React/Angular and Python-based backends. They will enable fast, reliable, and secure delivery across test, staging, and production environments through containerized workflows and automated pipelines, while collaborating closely with front-end and back-end teams to streamline deployments.

Requirements

• Eight (8) years of experience supporting projects and programs similar in scope and complexity
• Bachelor's Degree in Computer Science or a related field
• Experience with CI/CD tools (GitHub pipelines, Jenkins or similar)
• Deep understanding of pipeline design, caching, parallelization and artifact management
• Experience with Red Hat Enterprise Linux
• Experience configuring, troubleshooting, and optimizing Linux-based environments
• Familiarity with system-level networking, permissions, and performance tuning
• Experience with implementing and deploying containers within Linux environments
• Experience with Docker/Podman or Docker/Podman Compose
• Knowledge of deploying and tagging to container repositories
• Experience with deploying and managing container platforms

Nice To Haves

• Experience with AWS services (EC2, S3, RDS, etc)
• Experience deploying and managing applications in AWS environments
• Familiarity with frontend frameworks (React, Angular, Vue.js/Typescript)
• Experience supporting Python-based services (FastAPI, Flask, Django or similar)
• Knowledge of build systems (Npm/yarn, Vite/Webpack, Angular CLI)
• Experience with unit testing (Jest, Pytest)
• Experience with E2E testing (Cypress, Playwright)
• Scripting languages (Python, Bash)

Responsibilities

• Build scalable pipelines for frontend and backend
• Implement automated build, test, and deployment workflows
• Manage deployment strategies across different environments
• Design and manage continuous integration & continuous deployment (CI/CD) with AWS services
• Integrate unit, integration and end-to-end testing into pipelines
• Enable fast, reproducible developer environments utilizing RHEL-based systems
• Implement pipeline observability (logs, metrics, alerts)
• Troubleshoot build/deployment issues across environments
• Support secure and compliant deployments in regulated environments

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 1-10 employees