Alexander R.
Fractional CTO | Senior Software Engineer | Automation QA Specialist
Working in AI since 2019 | Ex-DataRobot, Ex-Chegg, Ex-Starz, Ex-BookRenter | over 15 years of experience in web development, AI, ML and QA automation. I specialize in creating efficient, scalable digital solutions that help businesses meet their goals across industries like e-commerce, education, logistics, and media. Quick Facts: ✅ Delivered 30+ projects in e-commerce, education, and logistics ✅ Expert in JavaScript, Python, React, and QA Automation ✅ Focused on reducing code complexity and maintenance costs Skills and Expertise: - Expert in ML & AI, building intelligent backends with TensorFlow, PyTorch, OpenAI APIs, LangChain, and vector databases for next-gen automation and real-time insights. - Frontend & Backend Development: JavaScript, TypeScript, React, Django, Ruby on Rails, FastAPI, Node.js - Databases: PostgreSQL, MySQL, MongoDB, Redis - Testing & Automation: n8n, Cypress, Playwright, Selenium, REST API testing, performance testing - DevOps: Docker, Jenkins, GitHub Actions, AWS What I Offer: I deliver more than code - I provide strategic solutions. My focus is on simplifying processes, optimizing workflows, and ensuring long-term scalability and cost-effectiveness. Types of Projects: - AI-driven solutions like speech-to-text, AI chatbots, virtual assistants, AI agents, recommendation systems, content analysis, and automation tools. - Web applications, e-commerce platforms, and marketplaces - SaaS platforms (mobile + web clients) - Data Science and Machine Learning applications I’m passionate about building future-ready solutions that blend technical expertise with a proactive approach. Let’s discuss how I can contribute to your next project!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $45k
Billed in all: $332,104$332k
$45k in the last 6 months
Across 3 contracts
Across 37 contracts
Earnings, last 30 days
Skill rankings: #1 in 1 skill of 13
Rarest: top 0.23% in Regression Testing, of 1,279. Ranked by MRR among everyone on Upwork with the skill.
- Robot Framework74 freelancers · 🇵🇱 #1Top 1%🇵🇱#1 of 2
- Apache JMeter270 freelancers · 🇵🇱 #1Top 0.74%🇵🇱#1 of 9
- Regression Testing1,279 freelancers · 🇵🇱 #1Top 0.23%🇵🇱#1 of 21
- #4Test Automation Framework325 freelancers · 🇵🇱 #1Top 1%🇵🇱#1 of 8
- #5Web Testing1,763 freelancers · 🇵🇱 #1Top 0.28%🇵🇱#1 of 33
- #6Manual Testing2,261 freelancers · 🇵🇱 #1Top 0.27%🇵🇱#1 of 30
- #6Automated Testing1,000 freelancers · 🇵🇱 #1Top 0.60%🇵🇱#1 of 20
- #6Cypress712 freelancers · 🇵🇱 #1Top 0.84%🇵🇱#1 of 9