# Senior Web Developer/Technical Lead - Contingent - **Company:** Aretum - **Location:** McLean, VA, US (Remote) - **Salary:** Salary not disclosed - **Contract:** Full-time - **Posted:** 2026-11-10 ## Job description Public Trust Eligibility Required This is a contingent position, meaning employment is dependent upon the successful award of the associated contract to Aretum and completion of any required background investigation or security clearance verification. About Aretum Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront. Job Summary The Senior Web Developer serves as the lead technical resource responsible for the design, development, integration, testing support, deployment, maintenance, and security compliance of the client's websites. The position provides technical leadership for all website development activities using the client's WordPress Content Management System (CMS) platform and approved plugins, while ensuring compliance with the client's policies, accessibility requirements, cybersecurity standards, and quality assurance procedures. Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information (CUI) and must adhere to applicable safeguarding and compliance requirements. Responsibilities Lead development of new and redesigned client websites using WordPress CMS Configure and customize approved client plugins and components Develop responsive website functionality and templates Implement custom code within approved client's guidelines and child-theme architecture Support website branding and implementation of approved design mockups Ensure compatibility with client-hosted infrastructure and content delivery services Serve as the primary technical point of contact for project teams and client stakeholders Provide technical recommendations, risk assessments, and solution alternatives Review technical requirements and ensure compliance with client development standards Support project planning, estimation, and implementation activities Ensure compliance with OWASP secure coding practices and OWASP Top 10 mitigation requirements Support remediation of cybersecurity findings and vulnerabilities Ensure compliance with client cybersecurity policies and procedures Verify that all integrations, forms, and custom functionality comply with client privacy and security requirements Develop and maintain constituent correspondence forms Implement CSS integrations and approved email routing solutions Ensure external IP address capture requirements are met Validate approved plugin usage and integration performance Develop technical test procedures and support unit, integration, system, and production testing Resolve defects identified during testing and post-launch monitoring Participate in readiness reviews and production deployment activities Support accessibility, usability, performance, and functional testing efforts Coordinate production releases and launch activities Support post-launch monitoring and defect remediation Provide website maintenance and end-user support Implement enhancements and content-related technical changes requested by client offices Produce technical documentation and code documentation Support development of administrator and end-user training materials Assist with knowledge transfer activities for client office personnel Requirements Bachelor's degree in Computer Science, Information Systems, Web Development, or related field Minimum 7 years of professional web development experience Minimum 5 years of WordPress development experience Experience with HTML5, CSS3, JavaScript, PHP, and MySQL Experience implementing Section 508 and WCAG accessibility requirements Experience implementing and maintaining CMS-based websites Experience performing website integrations, form development, and content migrations Experience working within secure or regulated environments Preferred Qualifications Experience supporting Federal Government, Congressional, legislative, or public-sector websites Experience with Adobe Analytics implementation Familiarity with OWASP secure coding practices Experience supporting production website launches and post-launch monitoring WordPress, accessibility, or cybersecurity certifications Advanced WordPress development expertise Strong debugging and troubleshooting skills Understanding of web application security principles Travel Requirements This is a remote position; however, occasional travel may be required based on project needs, client meetings, team collaboration events, or training sessions. Travel is expected to be less than 10% and will be communicated in advance whenever possible. EEO Statement Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit-based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance. As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws. We are proud to support our nation’s veterans and military families, providing career opportunities that honor their service and experience. If you require reasonable accommodation during the hiring process due to a disability, please contact hr@aretum.com for assistance. Equal Opportunity Employer/Veterans/Disabled U.S. Work Authorization Due to federal contract requirements, only U.S. citizens are eligible for this position. This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements. Benefits Salary Range: $130,000–$150,000 annually. Final compensation will be determined based on factors including education, experience, qualifications, skills, and applicable contract requirements. Health Care Plan (Medical, Dental & Vision) Retirement Plan (401k) Life Insurance (Basic, Voluntary & AD&D) Paid Time Off Family Leave (Maternity, Paternity) Short Term & Long-Term Disability Training & Development [Apply on the company site](https://www.joonow.com/en/job/senior-web-developer-technical-lead-contingent-mclean-va-m8sfcgxqpq/apply)