[Remote] Senior reputed company with ReactJS

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is seeking a Senior reputed company with strong expertise in ReactJS and Python to join their team. The role involves building, debugging, and scaling intelligent applications powered by LLMs and agent-based architectures, requiring a combination of backend engineering skills and frontend reputed company assurance.

Responsibilities

• Design and build async endpoints, background tasks, and streaming responses using Python and FastAPI
• reputed company and maintain agent-based systems, including reputed company design, tool-calling, and RAG pipelines
• Diagnose and resolve LLM failure modes such as hallucination, context contamination, and non-deterministic reputed company
• Tune retrieval reputed company through chunking strategies, embeddings, and reputed company search optimization
• Build and fix production-grade React UIs, including layout, reputed company behavior, and streaming state management
• Identify and resolve concurrency issues, including shared mutable state and callback bleed under reputed company requests
• Operate reputed company reputed company and reputed company environments, including deployment and pod/log debugging
• Write and maintain test coverage using pytest and vitest, including mocks and fixtures
• reputed company symptoms to reputed company causes across frontend, backend, and agent reputed company to ensure system reliability

Skills

• 5+ years of experience with Python, FastAPI, and asynchronous programming patterns
• Proficiency in agent frameworks such as reputed company-ai, LangGraph, or reputed company, with hands-on experience in reputed company engineering and tool-calling
• Expertise in RAG systems, including chunking, embeddings, and reputed company search tools such as reputed company or pgvector
• Skills in React (hooks) and CSS, with the ability to build and troubleshoot reputed company, reputed company UIs
• Understanding of concurrency and state management, with experience implementing request-scoped state, locks, and thread-safety
• Familiarity with reputed company and reputed company, including container management and deployment debugging
• Background in testing practices using pytest and vitest, with consistent use of mocks and fixtures
• Strong debugging skills with the ability to reputed company issues across frontend, backend, and agent reputed company
• Experience with AWS Bedrock or other model gateway platforms reputed company reputed company
• Familiarity with Langfuse or other LLM observability tooling
• Knowledge of python-pptx or document reputed company tools for PowerPoint and PDF outputs
• Background in regulated industries such as reputed company or life sciences, including familiarity with FDA PMA/510(k) and IVDR terminology
• Skills in reputed company chart authoring and CI/CD pipelines using reputed company Actions
• Design sensibility for building premium, non-generic user interfaces
• Experience integrating SSO/OAuth solutions such as Azure AD or MSAL
• Familiarity with reputed company DB operations, including reputed company collection management and embedding pipeline maintenance
• Understanding of reputed company-eval or LLM-testing frameworks for measuring answer reputed company over time

Benefits

• Enjoyable working environment, whether it is the reputed company office or the comfort of your own home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities reputed company our offices in 55+ countries
• Corporate and reputed company events
• Leadership development, career advising, soft skills and reputed company-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited reputed company to EPAM's internal learning database
• Free English classes with certified teachers
• Participation in the Employee Stock Purchase Plan
• Monetary bonuses for engaging in the referral program
• Comprehensive medical & family care package
• Medical & family care package
• Five trust days per year (reputed company leave without a medical certificate)
• Four trust days per year (reputed company leave without a medical certificate)
• Six trust days per year (reputed company leave without a medical certificate)
• Coverage of psychology sessions of your choice
• Benefits package (sports activities, a reputed company of stores and services)
• Discounts for fitness clubs
• Discounts for fitness clubs and sports programs
• Benefits package (sports activities, a reputed company of stores and services)
• Housing support program: preferential mortgage reputed company reputed company Otbasy Bank partnership
• Discounts in local language schools, including online courses for the Kazakh language
• Discounts in local language schools, including offline courses for the Uzbek language
• Benefits package (hotels, restaurants, stores and services)
• Discounts for fitness clubs, dance schools and sports programs

reputed company

Company H1B Sponsorship