Software Engineer - Full Stack

Techximius•Aberdeen, MD

2d•$130,000 - $165,000•Onsite

About The Position

The Software Engineer – Full Stack designs, develops, integrates, tests, and sustains web-based software supporting Tech(x) customer missions. The role delivers secure, reliable applications across user-interface, application-services, and data layers, working with government customers, product stakeholders, and engineering teams throughout the software development life cycle. The position is on-site at Aberdeen Proving Ground, Maryland, with travel requirements described as up to 30% in the location section and up to 10% in the travel section.

Requirements

Demonstrated experience delivering production applications across front-end, back-end, and database layers.
Proficiency with JavaScript or TypeScript and at least one modern front-end framework.
Proficiency with at least one back-end language and framework.
Experience developing RESTful APIs, integrating services, and working with relational databases such as SQL Server or PostgreSQL.
Working knowledge of authentication, authorization, web application security, automated testing, Git, and CI/CD pipelines.
Ability to troubleshoot distributed application issues, evaluate technical tradeoffs, and write maintainable, well-documented code.
Ability to work independently and collaboratively, communicate with technical and nontechnical stakeholders, and support customer priorities.
Current DoD Secret clearance required; must be eligible to obtain a Top Secret clearance.
Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Information Technology, or a related technical field, or four additional years of directly related experience may substitute for the degree, subject to contract labor category requirements.
4–9 years of relevant software engineering experience, including full stack application development.

Nice To Haves

Experience supporting defense or federal customers and developing applications in controlled or disconnected environments.
Experience with cloud platforms, Docker, Kubernetes, infrastructure as code, and application observability.
Experience with application accessibility, security scanning, dependency management, and remediation of security findings.
Experience leading technical design decisions, mentoring developers, or modernizing legacy applications.
Relevant cloud developer certification, CompTIA Security+, or a certification aligned with the assigned technology stack.

Responsibilities

Translate customer needs into software requirements, user stories, acceptance criteria, technical designs, and implementation estimates.
Develop responsive, accessible user interfaces using HTML, CSS, JavaScript or TypeScript, and a framework such as React, Angular, or Vue.
Build and maintain back-end services and RESTful APIs using an approved stack such as C#/.NET, Java/Spring, Python, or Node.js.
Design relational data models, implement database migrations and queries, and optimize application and database performance.
Integrate front-end components, services, databases, identity providers, and external systems; diagnose issues across the application stack.
Apply secure coding practices, input validation, access controls, and secrets management, and remediate software vulnerabilities with security personnel.
Create and maintain unit, integration, and end-to-end tests; conduct code reviews and resolve defects before release.
Use Git, automated build pipelines, and continuous integration and delivery practices to support repeatable software releases.
Support deployment, monitoring, troubleshooting, and sustainment in development, test, and production environments.
Document architecture, interfaces, deployment procedures, and operational guidance; communicate risks, dependencies, and progress.
Participate in Agile planning and technical reviews, mentor team members, and perform other duties as assigned.