Senior Software Developer

MANTECH; United States; On-site; USD 110,000 - 150,000; Full time

Job summary

MANTECH in Crane, IN is seeking a Senior Software Developer for a remote position, offering a customer‑oriented career track.

You will write clean TypeScript/Angular code, develop RESTful APIs with JavaScript, and build responsive UI with HTML/CSS and PrimeNG.

The role requires 7+ years in software development, a Security+ or DoD 8570 IAT Level II certification, and experience with CI/CD, cloud services, and Docker/Kubernetes.

Qualifications

• 7+ years of experience in systems engineering or software development.
• Security+ or DoD 8570 IAT Level II certification.
• Experience with CI/CD pipelines (GitHub Actions or GitLab CI).
• Experience with cloud services (AWS, Azure, or GCP).

Responsibilities

• Write clean, maintainable TypeScript for Angular apps and JavaScript for RESTful APIs.
• Implement unit tests with Vitest and participate in code reviews.
• Support front-end development with responsive HTML/CSS/Angular/PrimeNG components.
• Write and optimize MySQL queries and schemas to support backend features.
• Document public-facing applications and API usage for users.
• Containerize apps using Docker and Docker Compose across environments.
• Build applications following STIG guidelines for secure development.

Skills

TypeScript

Angular

JavaScript

RESTful APIs

HTML

CSS

SQL

Education

High School Diploma or equivalent

Tools

GitHub Actions

GitLab CI

Docker

Kubernetes

PrimeNG

Job description

MANTECH seeks a motivated, career and customer-oriented Senior Software Developer to join our team working in Crane, IN. This is a remote position.

Responsibilities Include But Are Not Limited To

• Writing clean, maintainable, and efficient code using TypeScript for Angular web application logic, and JavaScript for developing/maintaining RESTful APIs.
• Implementing unit tests using frameworks like Vitest and conducting code reviews to ensure application quality, performance, and troubleshooting simplicity.
• Supporting front-end development by building responsive web interfaces and components using HTML, CSS, JavaScript, Angular, PrimeNG, and TypeScript.
• Writing and optimizing SQL queries and designing schemas for relational databases such as MySQL to support backend functionality.
• Writing and maintaining comprehensive public-facing application documentation.
• Containerizing applications using Docker and Docker Compose, and managing application images consistently across development, testing, and production environments.
• Building applications in compliance with the Application Security and Development Security Technical Implementation Guide (STIG).

Basic Qualifications

• High School Diploma or equivalent education
• 7+ years of experience in systems engineering and or software development.
• Must possess a security+ or equivalent DoD 8570 IAT Level II certification
• Experience and familiarity with CI/CD pipelines such as GitHub Actions or GitLab CI
• Experience using or supporting the use of cloud services (AWS, Azure, or GCP)

Preferred Qualifications

• Strong working knowledge of RMF, Continuous ATO, POA&Ms, STIGs, ACAS/Nessus, and eMASS
• Experience integrating with security tooling APIs such as STIG Manager, Tenable.sc/Nessus, or similar
• Experience deploying containerized applications to Kubernetes, including configuration, secrets, health checks, scaling, and troubleshooting
• Experience with documentation tooling such as Sphinx/reStructuredText or Docusaurus

Clearance Requirements

• U.S. citizenship required and an active or current Secret clearance or ability to obtain an Interim Secret prior to starting.

Physical Requirements

• The person in this position must be able to remain in a stationary position 80% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. Must be able to exchange accurate information in these situations.