Full Stack Engineer (Senior)

Amatriot Group, LLC; Chantilly (VA); On-site; USD 160,000 - 200,000; Full time

Job summary

Amatriot Group, LLC is seeking a Senior Full Stack Engineer to lead architecture, modernization, and secure development across enterprise-grade web applications.

You will guide design and development across frontend (Vue.js) and backend (Flask/Elixir) stacks, ensuring high performance, security, and interoperability in complex cross‑enclave environments.

Qualifications

• Minimum 10 years of relevant experience.
• Extensive knowledge of modern frontend and backend technologies.
• Experience with secure development practices and CI/CD pipelines.
• Strong database design and performance optimization skills.
• Ability to lead technical initiatives and set standards across teams.

Responsibilities

• Lead full-stack architecture and application modernization.
• Design and develop scalable web applications across frontend and backend.
• Apply secure development practices across the software lifecycle.
• Support data pipelines, Kubernetes environments, and IaC (Terraform).
• Integrate frontend and backend components within scalable architectures.
• Provide technical direction for cross-enclave, enterprise solutions.

Skills

Frontend frameworks

Backend technologies

APIs

Databases (relational & non-relational

DevSecOps / secure development

CI/CD pipelines

System integration

Technical leadership

Education

Master’s degree in CS/Engineering

Tools

Vue.js

Flask

Elixir

Phoenix LiveView

DaisyUI

PostgreSQL

Kafka

Splunk

Kubernetes

Terraform

GitLab CI/CD

JFrog Artifactory

NiFi

Job description

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Location: Chantilly, VA
Security Clearance: Active TS or higher [Required]
Job Type: Full-Time
Target Salary Range*:$160,000 - $200,000

*This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary

Position Overview

The Full Stack Engineer (Senior) serves as the principal authority for full-stack architecture, application modernization, secure development practices, and enterprise technology integration.

This role leads the design, development, and optimization of scalable web applications across frontend and backend technologies. The Full Stack Engineer (Senior) combines strategic technical leadership with hands‑on development to ensure applications are secure, high‑performing, interoperable, and aligned with enterprise architecture standards, zero-trust principles, and complex cross‑enclave requirements.

Key Responsibilities

Architecture and Application Modernization

• Lead full-stack architecture and application modernization initiatives.
• Guide enterprise technology integration across application environments.
• Align applications with enterprise architecture standards, zero-trust principles, and cross-enclave requirements.

Application Development and Optimization

• Lead the design and development of scalable web applications across frontend and backend technologies.
• Optimize application performance, scalability, and interoperability.
• Support integration across application, data, and infrastructure components.

Secure Development and Technical Leadership

• Guide secure development practices across the software development lifecycle.
• Lead technical initiatives and establish development standards across teams.
• Support DevSecOps methodologies and CI/CD practices.
• Provide technical direction for complex application and integration challenges.

Data Pipeline and Infrastructure Support

• Support in-house custom-developed data pipelines.
• Support Kubernetes-based application environments and Terraform-based Infrastructure as Code.
• Support GitLab CI/CD pipelines and JFrog Artifactory.

UI and Application Technologies

• Support application development using Vue.js, Flask, and Elixir.
• Support frontend technologies including Phoenix LiveView and DaisyUI.
• Integrate frontend and backend components within scalable application architectures.

ETL and Data Integration

• Support ETL workflows using Python, Cribl, and Apache NiFi.
• Support PostgreSQL database environments.
• Support Apache Kafka and Splunk integrations.
• Support custom GOTS applications.
• Perform complex data parsing and streamlined ingestion.
• Support provenance and end-to-end data lineage tracking.
• Perform schema-aligned ingestion and normalization of diverse structured and unstructured data.

Qualifications

Experience

Minimum 10 years of relevant experience. [Required]

Skills

• Extensive experience with modern frontend frameworks, backend technologies, APIs, and relational and non-relational databases. [Required]
• Strong knowledge of software architecture, system integration, and scalable application design. [Required]
• Experience with secure development practices, DevSecOps methodologies, and CI/CD pipelines. [Required]
• Expertise in database design, performance optimization, and application troubleshooting. [Required]
• Proven ability to lead technical initiatives and establish development standards across teams. [Required]

Preferred Qualifications

• Master’s degree in Computer Science, Engineering, or a related technical field.
• Experience supporting federal, defense, intelligence, or highly regulated environments.
• Knowledge of cloud-native architectures, containerization, and microservices platforms.
• Experience addressing cross-domain or cross-enclave interoperability challenges.
• Expertise in zero-trust architectures and secure enterprise application development.
• Relevant certifications in cloud technologies, software architecture, cybersecurity, or Agile development.