CTG is seeking to fill a Principal Software Engineer – User Interface opening for our client in Lowell, MA. Location: Lowell, MA (preferred onsite contractor, hybrid option available – 4 days in office / 1 day remote) Duration: 6 months Hours: 9:00am – 5:00pm EST Top 3 Skills Required: Angular Nx monorepos Cypress Duties: Lead the design and development of complete web-based UI applications for enterprise-scale distributed systems. Collaborate with cross-functional teams to define requirements, architecture, and implementation strategies. Develop and maintain user interfaces using Angular, TypeScript, and related frameworks. Integrate UI applications with REST APIs and backend systems. Implement robust state management solutions (Redux/ngRx). Ensure scalability, performance, and usability of applications. Mentor and guide junior developers, providing technical leadership. Contribute to best practices in coding, testing, and deployment. Work with large data sets to deliver intuitive, efficient, and reliable UIs. Skills: Proficiency in JavaScript, TypeScript, Angular, Node.js, HTML, and SCSS. Strong experience with state management frameworks (Redux/ngRx). Hands-on experience with Nx monorepos. Strong background with Cypress for browser-based test automation. Ability to work in Linux environments. Knowledge of REST APIs and UI integration best practices. Familiarity with D3.js for data visualization (preferred). Strong analytical, organizational, and problem-solving skills. Ability to work independently and in distributed team environments. Experience: 8+ years of hands-on software development experience. Proven experience building UI applications for large-scale, distributed, enterprise, or cloud-hosted systems. 1–2 years in the Telecommunications space or experience with Telecom/Cable network management applications. 1–2 years with Nx monorepos. Prior experience handling large data sets in UI applications. Education: Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience. 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. For additional information, please contact Jamie Robinson at Jamie.Robinson@ctg.com. Kindly forward this to any other interested parties. Thank you! About CTG CTG, a Cegeka company, is at the forefront of digital transformation, providing IT and business solutions that accelerate project momentum and deliver desired value. Over nearly 60 years, we have earned a reputation as a faster and more reliable, results-driven partner. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. CTG leverages the expertise of over 9,000 team members in 19 countries to provide innovative solutions. Together, we operate across the Americas, Europe, and India, working in close cooperation with over 3,000 clients in many of today's highest-growth industries. For more information, visit www.ctg.com. Our culture is a direct result of the people who work at CTG, the values we hold, and the actions we take. In other words, our people define our culture. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. Part of our mission is to cultivate a workplace that attracts and develops the best people, reflected by our recognition as a Great Place to Work Certified™ company across many of our global operations. 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.