Senior Full-Stack & AI Solutions Engineer

Location: []

We’re seeking an experienced Senior Full-Stack Developer with strong AI expertise to help plan, build, and scale modern SaaS products and AI-powered applications. This role is ideal for someone comfortable in early-stage startup environments who can work independently and deliver real, measurable results. What You’ll Do Design and develop full-stack applications using modern frameworks like React, Next.js, Node.js, and similar technologies Create AI-driven features such as conversational assistants, recommendation systems, predictive models, and intelligent agents Build scalable backend systems using cloud-native architecture with databases like PostgreSQL, MongoDB, Redis, along with REST and GraphQL APIs Develop RAG pipelines and integrate large language models including OpenAI tools, Hugging Face models, and LangChain-based workflows Implement automation solutions that improve internal processes and business operations Work closely with product teams to translate ideas into production-ready solutions Maintain strong engineering standards, CI/CD pipelines, and reliable deployment processes Core Skills Full-Stack Development: React, Next.js, Vue, Angular, Node.js, Express, Django, Flask, Ruby on Rails AI & Machine Learning: GPT-based systems, BERT models, LangChain, LangGraph, vector databases like FAISS or ChromaDB, generative AI tools such as Stable Diffusion and DALL·E, predictive analytics Databases & APIs: PostgreSQL, MongoDB, MySQL, RESTful APIs, GraphQL, WebSockets SaaS & Application Development: Admin panels, real-time systems, and cross-platform apps Automation & Data Workflows: Zapier, Make.com, n8n, Power BI, Tableau Strong communication skills, problem-solving ability, and ownership mindset Nice to Have Experience growing SaaS products to significant revenue milestones Hands-on work launching AI-driven products in startups or enterprise settings Demonstrated success improving workflows and efficiency through automation What You’ll Get Work on advanced AI and modern web technologies Fully remote and flexible collaboration Opportunities to contribute to projects with clear business impact Why This Role Fits This position is perfect for someone who combines deep technical execution with strategic thinking. You’ll act as a key technical leader, helping build scalable systems, integrate AI capabilities, and streamline operations through smart automation.

Apply: https://www.upwork.com/jobs/~022019022976194536056