Senior Python Full Stack Developer with React and LLM Integration, AI Platform
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Salary
≈ $42k – $109k per year (Estimated)
Location
Remote (India, Bulgaria, Cyprus, Poland, Romania, Serbia, Latvia)
Seniority
Senior · 8+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Sep 8, 2026.
Overview
Company
Impact
Profile match
DataArt is a global software engineering and consulting firm headquartered in New York that builds and modernises custom software, data platforms and cloud infrastructure for clients in finance, travel, healthcare, media and retail. Founded in 1997, it runs delivery centres across Europe, the Americas and Asia, including offices in Wroclaw, Lublin and Lodz in Poland and teams in India, and works with more than 400 enterprise clients. Its openings include senior .NET, Java, Python and frontend engineers, DevOps and site reliability engineers, data architects and data engineers, QA automation leads and solution consultants.
This project focuses on building advanced AI powered platforms that leverage LLM technologies to deliver intelligent features and automation. The solution combines modern full stack engineering with cloud native infrastructure and AI integration capabilities.
- Develop full stack features using Python and React for AI driven applications
- Build and maintain backend services using FastAPI and related frameworks
- Implement responsive and high performance user interfaces using React.js
- Integrate LLM capabilities and AI services into application workflows
- Design and consume REST and GraphQL APIs and support real time features
- Apply secure development practices including authentication and input validation
- Write and maintain automated tests for backend and frontend components
- Collaborate with engineering and product teams to deliver scalable solutions
- Containerize applications and support deployments in Kubernetes environments
- Contribute to architecture discussions and technical improvements
- At least 8 years of professional software development experience
- At least 4 years of experience working with Python
- At least 4 years of experience working with React.js
- Experience building backend services using FastAPI, with additional experience in Django or Flask as a plus
- Strong experience with modern JavaScript or TypeScript and React concepts such as hooks and context
- Experience working with REST or GraphQL APIs and real time application patterns
- Experience with testing frameworks such as PyTest, Playwright, Cypress, or React Testing Library
- Experience with containerization and orchestration tools such as Docker, Kubernetes, and Helm
- Understanding of secure development practices including OWASP principles, JWT or OIDC, and input validation
- Experience working with AI or LLM based solutions
- Experience with AI platforms or tools such as Amazon Bedrock, Snowflake Cortex, LangChain, or LlamaIndex
- Experience building or integrating Retrieval Augmented Generation solutions
- Experience working in distributed systems or cloud environments
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