Web Developer Sr.

Serve as the senior technical resource responsible for the design, development, enhancement, security, and ongoing support of DDC and PDC websites, web applications, and related databases, with a strong emphasis on PHP development. Independently lead complex web application initiatives from requirements analysis through deployment and maintenance; evaluate technical approaches and recommend sustainable solutions that meet business and security needs. Partner with stakeholders and Corporate IT to ensure reliable, secure, and well-documented systems and to resolve critical application issues., * Independently design, develop, enhance, and support complex PHP websites and web applications, including backend logic, database connections, and integrations.

• Lead assigned web development initiatives through requirements gathering, technical design, development, testing, deployment, and post-implementation support.
• Develop responsive, accessible, browser-compatible interfaces using JavaScript, HTML, and CSS.
• Act as the primary escalation resource for complex website and application errors, performance problems, outages, and integration failures; conduct root-cause analysis and implement sustainable fixes.
• Coordinate content updates and maintain accurate website pages, forms, and navigation.
• Evaluate application architecture, code quality, security risks, and technical debt; recommend and implement improvements to reliability, maintainability, and performance.
• Apply secure development practices, including input validation, access controls, vulnerability remediation, and appropriate testing.
• Administer and troubleshoot Ubuntu web servers, PHP environments, database connections, TLS certificates, logs, patches, and monitoring.
• Own disciplined application change practices, including Git/source control, code review where applicable, testing, documented deployments, and rollback planning.
• Maintain website, application, and database backups; test restores and document recovery procedures in coordination with Corporate IT.
• Design, maintain, and optimize database tables, views, stored procedures, functions, and SQL queries; resolve complex data and performance issues.
• Develop reports, scripts, integrations, and automations to improve workflows and information access.
• Consult with business stakeholders to translate requirements into practical solutions, assess options, communicate tradeoffs, and establish priorities.
• Provide technical guidance, knowledge sharing, and documentation to colleagues and application users, as appropriate; no direct supervisory responsibility is required.
• Maintain technical documentation and follow company security, change management, quality, and safety procedures.

Web Programming, Time Management, Aerospace and Defense, High Reliability, Requirements Management, Internet Application, Technical Analysis, PHP Scripting Language (PHP Hypertext Preprocessor), Problem Solving Skills, Technical/Engineering Design, * Associate’s or Bachelor’s degree in Computer Science, IT, or a related field, or an equivalent combination of education, training, and experience.

• Minimum five years of progressively responsible experience in web or application development and support, including substantial hands-on PHP development experience.
• Demonstrated ability to independently deliver complex web application enhancements and troubleshooting production issues.
• Advanced proficiency in PHP, JavaScript, HTML, and CSS, including debugging, code maintenance, and application design.
• Experience with PHP frameworks such as Laravel or Symfony.
• Experience developing database-driven websites and applications using SQL, particularly MySQL and/or SQL Server.
• Experience diagnosing websites, application, database connection, and performance issues.
• Experience administering Ubuntu, Apache or Nginx, PHP, TLS certificates, permissions, logs, backups, and updates.
• Knowledge of secure web development, including SQL injection and cross-site scripting prevention and access controls.
• Proficiency with Git or similar source control, application testing, and controlled deployments.
• Strong independent judgment, communication, documentation, problem-solving, and prioritization skills; ability to explain technical solutions to nontechnical stakeholders.

Desired Characteristics:

• Experience supporting CMS platforms such as WordPress, including themes, plugins, updates, and security.
• Experience integrating websites and business systems using REST APIs.
• Familiarity with website accessibility, performance optimization, and monitoring.
• Experience with .NET, C#, Visual Basic, and/or Python.
• Experience with SSRS or similar reporting tools and ERP or PDM systems.
• Engineering or manufacturing experience.
• Familiarity with IT ticketing platforms.
• Relevant certifications, such as CompTIA A+, Network+, Security+, or Linux certifications.

For more than 60 years, Data Device Corporation (DDC) has been recognized as a world leader in the design and manufacture of high-reliability Connectivity, Power, and Control solutions for the Aerospace, Defense, and Space industries. Our dedication to supplying quality products, on-time delivery, and superior support has contributed to the success of our customers and the critical missions they serve.

This position is 100% onsite at our Bohemia, NY office.

The salary range for this position is $100,000 to $130,000 annually and will depend upon experience.

This position requires a U.S Person or a person who can qualify for a Department of State or Department of Commerce License.