Senior Software Engineer - PHP

Overview

We are seeking a Senior PHP Developer to join our engineering team. This role focuses on building, enhancing, and maintaining critical applications supporting the blood and healthcare industries. The emphasis is on back-end PHP development with MySQL, with front-end contributions where needed. Familiarity with React is helpful but not the core focus.

The Senior PHP Developer will be embedded with an engineering team throughout all stages of the sprint cycle and SDLC. They will contribute to technical design, coding, code reviews, and release coordination while mentoring junior developers. Success requires strong PHP expertise, database skills, problem-solving ability, and a collaborative mindset to deliver secure and scalable applications.

• Application Development: Build and maintain PHP applications, including support for existing legacy frameworks.
• Database Development: Work with MySQL to design schemas, write queries, and optimize performance.
• Front-End Contributions: Support user interface development in React as needed, collaborating with front-end developers to deliver end-to-end features.
• Testing & Quality: Write and maintain unit tests with PHPUnit to ensure code quality and reliability.
• Code Quality & Best Practices: Write clean, maintainable, and well-documented code while helping enforce coding standards within the team.
• Mentorship & Leadership: Provide technical guidance, code reviews, and mentorship to junior and mid-level developers.
• Collaboration: Work closely with product managers, QA, and other engineers to translate requirements into technical solutions.
• Agile Participation: Actively engage in sprint planning, daily stand-ups, backlog refinement, and retrospectives as a core member of the team.
• Security & Compliance: Ensure applications meet healthcare compliance and security requirements.
• Continuous Improvement: Identify opportunities to enhance system performance, maintainability, and team efficiency.

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
• 5+ years of professional experience developing applications in PHP.
• Strong experience with MySQL including schema design and query optimization.
• Familiarity with PHPUnit or similar testing frameworks.
• Some experience with React and ability to contribute to front-end development when needed.
• Solid understanding of JavaScript, HTML, and CSS.
• Proficiency with Git and experience working in Agile/Scrum environments.
• Excellent problem-solving skills, strong attention to detail, and ability to manage multiple priorities.
• Strong communication and collaboration skills, with proven success working across engineering and product teams.

• Experience maintaining and modernizing legacy PHP codebases.
• Experience with cloud-hosted environments (AWS, Azure, or similar).
• Familiarity with healthcare, blood banking, or other highly regulated industries.
• Knowledge of CI/CD pipelines, Docker, or Kubernetes.
• Experience mentoring engineers or contributing to team-level technical leadership.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions.

• Prolonged periods of sitting at a desk and working on a computer may be required.
• The employee is regularly required to talk or hear.
• The employee frequently is required to use hands or fingers, handle, or feel objects, tools, or controls.
• The employee is occasionally required to stand; walk; sit; reach with hands and arms; climb or balance and stoop, kneel, crouch, or crawl.
• The employee must occasionally lift and/or move up to 15 pounds.
• Specific vision abilities required include close vision, distance vision, color vision, peripheral vision, and the ability to adjust focus.
• The noise level in the work environment is usually moderate.
• Ability to attend and preside over trade shows and conferences and visit client sites which may include hospital settings and medical facilities.
• Ability to travel on a flexible schedule. Air travel is necessary.

InVita provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

The pay range for this role is 120, USD per year (Maryland).