
jameslucas
software developer
Skills

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Work experience
Senior Full Stack & AI Developer
Upwork • Self-employed
May 2019 - Present • 7 yrs 2 mos
As a Senior Full Stack & AI Developer on Upwork, I have partnered with start-up's, entrepreneurs, and established businesses to design and develop scalable AI-powered applications, SaaS platforms, custom web applications, and cross-platform mobile apps. I specialize in AI integrations, REST API development, cloud-based backend architecture, secure authentication systems, and modern frontend development. My focus is on delivering high-performance, secure, and user-friendly digital products that solve real business challenges and support long-term growth through clean code, clear communication, and reliable project delivery. Achievements Completed 250+ successful development projects. Built AI-powered SaaS platforms and custom business automation solutions. Developed scalable web and mobile applications using modern technologies. Integrated OpenAI, Claude, Gemini, Stripe, PayPal, Twilio, and other third-party APIs. Maintained a strong record of on-time delivery and client satisfaction through professional communication and high-quality development.