Job Title: Lead Full-stack Developer Location: Remote Hours/Schedule: M-F, 8-5 Type: Contract Overview The Lead Full-stack Developer will drive the design, development, and modernization of internal web solutions for US Customer Solutions. This role combines hands-on engineering with technical leadership, guiding architecture decisions, mentoring junior engineers, and integrating AI-powered features. The engineer will partner with stakeholders to ensure solutions are scalable, reliable, and aligned with business needs. Responsibilities + Design and lead architecture of modern, scalable full-stack applications + Provide technical guidance, mentorship, and code reviews for engineering team members + Lead integration of AI-powered features into existing and new applications + Collaborate with product and business stakeholders to align solutions with objectives + Lead design, development, testing, and deployment of greenfield full-stack applications + Modernize and migrate legacy applications to Flask/Next.js + Partner with data engineering to modernize ETL pipelines + Act as escalation point for production issues and drive resolution + Improve performance, reliability, and maintainability of core applications Qualifications Required + Bachelor’s degree in Computer Science, Mathematics, Human-Computer Interaction, or related field + 4+ years of full-stack software engineering experience + Proven experience leading design and development of production-grade web applications (Flask, React, Next.js) + Strong SQL design and performance tuning skills + Experience with Azure-based services, including AI-powered features + Demonstrated ability to mentor and develop engineers Preferred + Master’s degree in Computer Science or related field + Experience with Python, Databricks, and cloud-native architectures + Experience designing and deploying AI-powered features into business applications + Strong stakeholder engagement skills, especially in commercial or MedTech environments Benefits System One offers eligible employees health and welfare benefits coverage options, including medical, dental, vision, spending accounts, life insurance, voluntary plans, and participation in a 401(k) plan. Ref: #558-Scientific System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.