Alexander G.
AI/Backend Developer|Python, Node.js, LangChain, OpenAI, Pinecone, n8n
I’m an 𝐀𝐈 / 𝐏𝐲𝐭𝐡𝐨𝐧 and 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 / 𝐍𝐨𝐝𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 passionate about turning ideas into intelligent, data-driven products. My work bridges backend engineering with modern AI technologies: from 𝐋𝐌 integrations to 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 and 𝐝𝐚𝐭𝐚 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬. With experience in both 𝐏𝐲𝐭𝐡𝐨𝐧 and 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 / 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭, I build scalable APIs, connect machine learning models, and design reliable data flows for web and AI applications. 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐓𝐨𝐨𝐥𝐬 • AI & LLM Integration: OpenAI API, LangChain, Perplexity, Firecrawl, Parallel, Octagon • Automation & Workflows: n8n, Python scripts, REST / GraphQL APIs • Backend Development: Node.js, Express, Next.js, FastAPI • Databases & Vector Search: PostgreSQL, MySQL, Pinecone, Redis • Data Handling & Logic: TypeScript, JavaScript, OOP, SOLID principles • Architecture: Scalable, testable, event-driven and API-centric systems 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝 • Multi-agent systems with 𝐑𝐀𝐆 + 𝐯𝐞𝐜𝐭𝐨𝐫 𝐝𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 • Smart automation and data-extraction pipelines • Scalable backends for SaaS and AI-driven platforms • Integrations with third-party APIs and cloud services I really enjoy building systems that combine AI intelligence with solid backend engineering.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $35k
Billed in all: $206,147$206k
$12k in the last 6 months
Across 9 contracts
Earnings, last 30 days
Skill rankings: Top 0.92% in ExpressJS
Ranked by MRR among everyone on Upwork with the skill.
- #52ExpressJS5,651 freelancers · 🇺🇦 #6Top 0.92%🇺🇦#6 of 363
- #58NestJS3,757 freelancers · 🇺🇦 #11Top 2%🇺🇦#11 of 409
- #200MySQL14,471 freelancers · 🇺🇦 #27Top 1%🇺🇦#27 of 1,014
- #273SQL12,904 freelancers · 🇺🇦 #25Top 2%🇺🇦#25 of 761
- #305PostgreSQL12,850 freelancers · 🇺🇦 #39Top 2%🇺🇦#39 of 947
- #362TypeScript15,967 freelancers · 🇺🇦 #50Top 2%🇺🇦#50 of 1,416
- #558Node.js25,795 freelancers · 🇺🇦 #71Top 2%🇺🇦#71 of 1,711
- #736JavaScript41,429 freelancers · 🇺🇦 #104Top 2%🇺🇦#104 of 3,407