Principal Full Stack Developer/DesignerDuration: Initial 4-month contract We are a global team of technology innovators with deep expertise in clinical research, medical product safety, and public health surveillance. Our mission is to develop next-generation analytical solutions that improve drug, vaccine, and device safety monitoring worldwide. We are expanding and seeking an experienced Principal Full Stack Developer to help advance our Commonwealth Vigilance Workbench (CVW) SaaS platform. This role blends Angular UI development with Spring REST web services work.Key ResponsibilitiesContribute to all phases of the software development life cycle.Prototype, design, and implement new capabilities.Maintain and enhance existing software performance.Write clean, efficient, testable, and secure code.Translate business requirements into technical solutions.Mentor junior developers.Required SkillsExtensive SPA development experience (preferably Angular).Proficiency in HTML, CSS, JavaScript/TypeScript, REST Web Services, XHTML.Strong Java/Spring expertise.Knowledge of secure coding practices (OWASP top 10).Skilled in SQL performance tuning and relational database design.Preferred SkillsAngularJS, Bootstrap, CSS, Groovy, jQuery, XHTML.Linux, PostgreSQL, Eclipse, Git, Jira.User experience design.Healthcare/Life Sciences SaaS or regulated software experience.Education andamp; ExperienceBachelor''s degree in Computer Science or related field.12+ years in professional web application de