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Bonapolia

Senior Fullstack Engineer, Python, React

Bonapolia

Senior Fullstack Engineer developing scalable AI-driven systems for a global consulting firm. Involves working with Generative AI and distributed teams across multiple regions.

Posted 5/4/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudDjangoDockerElasticSearchFlaskKubernetesMicroservicesMongoDBNoSQLPostgresReactSQLTerraform

About the role

Key responsibilities & impact
  • Work with PostgreSQL and vector extensions or OpenSearch/ElasticSearch for vectorized data storage supporting RAG pipelines
  • Design and build AI agents and multi-agent systems using frameworks such as LangGraph and platforms like AWS Bedrock
  • Evaluate and implement efficient Generative AI solutions using direct API integrations when appropriate
  • Develop scalable architectures for complex AI workflows and agent-based systems
  • Apply best practices in testing, CI/CD, and observability
  • Lead system design and architectural decisions ensuring scalability and reliability
  • Mentor engineers and conduct code reviews
  • Troubleshoot technical and infrastructure issues and ensure optimal performance
  • Drive innovation and deliver impactful AI solutions in a distributed global team

Requirements

What you’ll need
  • Proficiency in React
  • Ability to design user interfaces, components, and data structures
  • Experience with backend frameworks such as FastAPI, Flask, or Django
  • Strong experience designing scalable APIs and backend systems
  • Hands-on experience with SQL (PostgreSQL) and NoSQL (MongoDB)
  • Experience with vector databases or extensions such as pg_vector, OpenSearch, or Pinecone
  • Hands-on experience with AWS, including deployment and infrastructure management
  • Familiarity with cloud-native architectures including microservices and containerization (Docker, Kubernetes)
  • Experience with infrastructure as code tools such as Terraform
  • Experience with Generative AI systems including LLM APIs (e.g., OpenAI), embeddings, and RAG pipelines
  • Familiarity with AI agent frameworks such as LangGraph or similar
  • Experience with platforms such as AWS Bedrock or similar LLM orchestration environments is a plus
  • Strong understanding of software engineering best practices including testing and CI/CD
  • Strong problem-solving and system design skills
  • Fluent English communication skills

Benefits

Comp & perks
  • Flexible work arrangements
  • Professional development opportunities

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Hard Skills & Tools
PostgreSQLOpenSearchElasticSearchLangGraphAWS BedrockFastAPIFlaskDjangoSQLNoSQL
Soft Skills
mentoringcode reviewsproblem-solvingsystem designcommunication