Senior Software Engineer (Full Stack)

Senior engineers at Zivtech are expected to use AI tools and agent-based workflows as part of their day-to-day work, including:

• First-pass implementation, research, and technical exploration
• Accelerating code reviews, documentation, and test generation
• Helping break down work into tickets, acceptance criteria, and estimates
• Improving consistency across projects through shared prompts, standards, and workflows

We value engineers who know:

• When AI output is good enough - and when it needs to be challenged
• How to guide AI toward maintainable, secure, and performant solutions
• That ownership and accountability still sit firmly with the human, * Own projects from start to finish - requirements, architecture, implementation, delivery, and post-launch support
• Serve as a technical lead and primary engineering contact for clients
• Communicate clearly with clients and internal teams, translating business needs into technical decisions
• Break down complex work and delegate effectively to other engineers
• Use AI agents and AI-assisted workflows to increase leverage and delivery velocity
• Support sales, architects, and leadership with discovery, estimates, and technical direction
• Work on the critical path to ensure projects ship on time and within scope
• Write high-quality front-end and back-end code
• Perform code reviews and help set engineering standards
• Mentor other engineers through feedback, pairing, and review
• Identify technical and delivery risks early - and surface them clearly
• Partner with project managers to manage scope, timelines, and budgets

Do you have experience in Web applications?, * 5+ years building and shipping production web applications

• Demonstrated ability to lead projects and own outcomes
• Strong full-stack experience - front-end and back-end
• Professional experience with React or another modern JavaScript framework
• Solid PHP experience, including OOP and common design patterns
• Deep experience with Drupal (8/9/10) - custom modules, theming, site building
• Experience with Drupal migrations
• Strong Git fundamentals and modern development workflows
• Experience integrating with external APIs and third-party systems
• Comfort with SQL and database-backed applications
• Command-line fluency and tools like Drush
• Strong communication and listening skills - especially client-facing
• Good judgment, attention to detail, and the ability to work independently
• Strong attention to detail - applicants should include the phrase “Greetings Zivtech Crew” somewhere in their cover letter or application materials

Nice to Have

• Prior experience with AI-assisted or agent-based development workflows
• Experience building or maintaining reusable component libraries or design systems
• Acquia Drupal certifications
• Agency or consulting background
• Experience mentoring junior or mid-level engineers

$90,000 - $110,000 a year - Full-time

Zivtech is a Philadelphia-based technology services firm that designs and builds thoughtful, durable web products. Our clients range from startups to large non-profits to Fortune 500 companies. We work primarily with mission-driven organizations and long-lived platforms where quality, clarity, and maintainability matter., If this sounds like the kind of role where you’d do your best work - owning problems, leading projects, working directly with clients, and using modern tools responsibly - please send us your resume, cover letter, and salary requirements.