We are seeking an accomplished Principal Software Architect with 12+ years of software engineering experience and a proven track record of architecting enterprise-scale software platforms within life sciences, medical devices, industrial IoT, or similarly regulated environments. This role combines strategic technical leadership with hands-on architecture, modernization, cloud transformation, security governance, and engineering mentorship. The ideal candidate will possess deep expertise across legacy and modern technology stacks, including C++, C#, .NET Framework, Node.js, React, Azure, AWS, SQL Server, and enterprise identity management technologies. Location: Remote Duration: Ongoing Contract Key Responsibilities Define and drive enterprise architecture strategy for complex multi-tier software platforms. Lead modernization initiatives, migrating legacy ASP.NET MVC and AngularJS applications to modern React-based solutions. Architect cloud-native and hybrid-cloud solutions spanning Azure and AWS environments. Establish CI/CD standards and implement automated deployment pipelines across .NET, Node.js, and React ecosystems. Design secure REST APIs, integration frameworks, and scalable SaaS platform architectures. Govern platform security, including authentication, encryption, secrets management, certificate management, and secure code-signing processes. Conduct architecture reviews, code reviews, and technical design evaluations while enforcing engineering best practices. Author and maintain architecture documentation, including ADRs, HLDs, LLDs, and interface specifications. Mentor senior engineers and technical teams while driving engineering excellence across the organization. Collaborate with executive leadership, product teams, compliance organizations, and stakeholders to align technology strategy with business goals. Required Skills Expert-level experience with C++, C#, .NET Framework, ASP.NET Web Forms, MVC, Web API, and WCF. Strong hands-on experience with Node.js, Express.js, React 18/19, JavaScript, and modern frontend development. Deep expertise with Azure Active Directory, MSAL, OAuth, OpenID Connect, and JWT authentication. Advanced SQL Server architecture, database design, stored procedures, performance tuning, and query optimization. Experience with PowerShell automation, IIS administration, and SSL/TLS certificate management. Strong Azure and AWS cloud architecture experience. Expertise implementing secure software development practices and enterprise security controls. Experience designing custom network protocols and distributed communication systems. Proven success implementing enterprise DevOps practices and CI/CD pipelines. Required Experience 12+ years of software engineering experience. 4+ years as a Principal Engineer, Software Architect, or equivalent senior technical leadership role. Experience within life sciences, medical devices, industrial IoT, healthcare technology, or regulated industries preferred. Demonstrated success leading large-scale application modernization and cloud migration initiatives. Proven ability to balance strategic architecture responsibilities with hands-on technical leadership. Education Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field required. Master's degree preferred. Relevant cloud, security, or architecture certifications are highly desirable. Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required. CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role. To Apply: To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you! The expected base salary for this position ranges from $60.00 to $65.00/hour. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered. About CTG CTG, a Cegeka company, delivers IT and business solutions that enhance clients' digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years' experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries. Together, we shape what's next-working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you'll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey. For more information, visit www.ctg.com. CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws. CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes.