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MEDvidi

Senior Backend Engineer, NodeJS

MEDvidi

. Design and build backend architecture for AI-powered automation systems .

Posted 10/27/2026full-timeRemote • PolandSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building scalable backend architectures for AI-powered automation systems, with a strong focus on integrating LLMs and optimizing RAG pipelines. Proficient in developing robust APIs and maintaining high-quality technical documentation while collaborating effectively with cross-functional teams.

Highest-signal resume keywords
Node.js Backend DevelopmentLLM IntegrationAPI DevelopmentRAG Pipeline OptimizationPostgreSQL and AWS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Backend Architecture DesignSystem DecompositionPrompt EngineeringMulti-Agent AI WorkflowsObservability and Debugging
Soft Skills
Product-Oriented MindsetProactive AI Enthusiast
Tools & Technologies
GrafanaOpenSearchAWS CDKAWS LambdaAPI GatewayElastiCache
Industry Keywords
Healthcare AIRegulated EnvironmentsSaaS

Tech Stack

Tools & technologies
AWSGrafanaJavaScriptNode.jsPostgresReact

About the role

Key responsibilities & impact
  • Design and build backend architecture for AI-powered automation systems
  • Integrate and scale LLM-based product features with AI engineers and product teams
  • Implement and evolve agent-based systems, including ReAct and supervisor-agent models
  • Optimize RAG pipelines and context enrichment using structured and unstructured data
  • Develop robust APIs for internal services and external integrations
  • Ensure observability, monitoring, and alerting using tools such as Grafana and OpenSearch
  • Participate in code reviews and architecture discussions
  • Maintain high-quality technical documentation for newly designed systems and APIs
  • Collaborate with AI engineers, product teams, and cross-functional stakeholders
  • Build production-grade systems automating clinical and operational workflows

Requirements

What you’ll need
  • 8+ years of commercial backend development with Node.js in product companies, preferably SaaS
  • Deep understanding of complex backend systems end-to-end
  • Strong experience designing backend architectures and technical solutions
  • Experience with system decomposition, scalability trade-offs, long-term maintainability, and technology choices
  • Proven track record building scalable, high-performance backend systems and robust APIs
  • Strong understanding of data flows, failure modes, and performance bottlenecks
  • Hands-on experience integrating LLMs into production systems
  • Experience designing and implementing multi-agent AI workflows in production
  • Practical experience with modern AI frameworks
  • Experience designing and optimizing RAG pipelines
  • Strong prompt engineering skills, including structured outputs, schema validation, and evaluation-based iteration
  • Understanding of LLM infrastructure in production environments
  • Hands-on experience with PostgreSQL and AWS, including CDK, Lambda, API Gateway, and ElastiCache
  • Good understanding of observability and debugging
  • Strong engineering culture: testing, CI/CD, reliability, and technical ownership
  • Product-oriented mindset
  • Proactive AI enthusiast mindset
  • Fluent Russian
  • English B2+
  • Experience with medical/healthcare AI or regulated environments would be a plus
  • Experience with MCP in Node.js would be a plus

Benefits

Comp & perks
  • Clear growth opportunities and a competitive compensation package
  • Fully remote long-term collaboration under a B2B model
  • Health insurance after the probation period
  • Sports and wellness compensation
  • Personalized English lessons via Preply
  • Clear growth paths
  • 19 paid vacation days annually
  • 4 additional wellness days each year
  • Paid sick leave for the first 5 working days
  • Thoughtful gifts for key life events
  • Offline corporate events