Cloud engineering: With your experience as a Cloud Engineering Manager, you could provide services related to developing cloud-based solutions, optimizing cloud infrastructure, and ensuring high availability and scalability of applications.

Front-end development: You have extensive experience in developing front-end applications using React, Vue, and Angular. You could provide services related to building high-quality and scalable front-end applications, improving user experience, and integrating front-end UI with back-end systems.

Tech roadmap development: As a CTO with experience in creating tech roadmaps, you could help clients to identify their goals, prioritize initiatives, and develop a clear strategy for achieving their objectives.

Solution architecture: With your experience in building end-to-end solutions, you could provide services related to designing and implementing scalable and reliable systems that meet the client's business needs.

Code review and improvement: With your experience in improving the performance of existing systems, you could provide services related to code review, identifying areas for improvement, and implementing changes that optimize performance and user experience.

Team leadership and mentoring: With your experience leading teams, you could provide services related to team management, mentoring and coaching, and ensuring effective collaboration across different teams and departments.

These are just a few examples of the services you could provide based on your resume. Depending on the specific needs of your clients, you could offer customized solutions to help them achieve their goals.