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Backend Web Developer PHP

Altus, LLC
Full Timemid
$115k – $150kPosted April 5, 2026

Salary Context

This role offers $115k–$150k. The median for Mid-level backend roles is $95k–$155k (based on 100 listings). 6% above median.

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JavaScriptPHPSQLHTMLCSSLinuxUnixApacheMySQLGit

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Job Description

Job Title: Backend Web Developer - PHP

Company: Altus Engineering

Location: Aberdeen Proving Ground, MD

Salary: $115,000-150,000 per year

Position Overview:

We are seeking a Backend Web Developer, to support our DoD team working on highly visible projects utilizing leading edge technologies.

About Us

Founded in 2003, Altus Engineering is a Maryland small business providing professional engineering services to the Department of Defense and industry customers. These include high-quality software development services, system modeling and simulation, scientific research, and performing engineering analysis of combat systems and personnel vulnerabilities. We pride ourselves on providing outstanding professional and technical services through building and empowering teams that will continue to grow with usesto.

Key Responsibilities:

Develop new website applications and extend functionality of existing sites

Use PHP, JavaScript, Application Frameworks, APIs, and SQL databases to create, extend, and maintain custom internal‑ and external‑facing applications

Test code, features, business rules, and integrations

Troubleshoot and fix website, application, and user support issues.

Work closely with Project Manager, customers, and other staff members to collect requirements, estimate work, and ensure that tasks are deployed according to schedule

Design and envision new web‑based systems in response to customer business requirements

Qualifications/Desired Skills:

Required Skills

BS or MS in Computer Science, Engineering, Math OR

5 years of professional web/software development experience

PHP 7+ OOP

US Citizenship

Ability to obtain & maintain a SECRET Security Clearance

MySQL

HTML/CSS

JavaScript

In addition to these skills, we also desire a candidate who has experience with the following:

Git

Linux/Apache Environments

PHP MVC Application Frameworks (e.g., CakePHP)

Web APIs

Unix/Linux Command Line Tools

Additional Details:

While this is a primarily remote position, candidates must be available for in‑person meetings at Aberdeen Proving Ground on a monthly basis.

What We Offer

401(k)

401(k) matching

Dental insurance

Health insurance

Health savings account

Life insurance

Paid time off

Vision insurance

If you enjoy intellectually challenging projects, love to code, and enjoy brainstorming with like‑minded developers who are part of a highly skilled software development team then Altus may be for you!

#J-18808-Ljbffr Altus, LLC

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