We are looking for a Senior Fullstack (Python React) Engineer:}
Employment type: Full-time
Candidate Location: Poland
Working Time Zone: Occasional EST-friendly calls, max overlap - 6–8 PM local time
Start: ASAP
Planned Work Duration: 12 months
👥 Customer Description:
Our client is a leading global consulting company recognized for delivering high-impact solutions across industries.
The organization collaborates with large global enterprises, financial institutions, technology companies, and public sector organizations, providing advanced platforms and strategic services.
🧩 Project Description:
The project focuses on internal Generative AI initiatives within a geopolitics-related domain. The team operates in a distributed environment across multiple global regions.
The work involves building scalable AI-driven systems, including agent-based architectures and Retrieval-Augmented Generation pipelines, supporting complex workflows and high-demand use cases.
⚙️ Project Phase:
ongoing
👨💻Project Team:
5 team members (distributed, primarily asynchronous collaboration)
🤝 Soft Skills:
- Highly proactive with the ability to independently identify stakeholders and drive tasks forward
- Strong stakeholder management skills across technical and non-technical audiences
- Curious mindset with a focus on continuous improvement and challenging existing processes
- Excellent communication skills for cross-functional collaboration
- Strong time management and organizational skills
💡 Hard Skills / Must Have:
- 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
📌 Responsibilities and Tasks:
- 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
🧪 Technology Stack:}Python (backend), React (frontend), LangGraph, Claude, AWS - plus broader AI/LLM tooling
📞 Interview stages:
- English check (15 minutes)
- internal technical interview (1-1,5 hour)
- client interview (1 hour)
📩 Ready to Join?
We look forward to receiving your application and welcoming you to our team!
Bonapolia