
Senior AI Engineer, Python
Voucherify
full-time
Posted on:
Location Type: Remote
Location: Poland
Visit company websiteExplore more
Salary
💰 PLN 18,000 - PLN 25,000 per year
Job Level
About the role
- Build AI-powered backend services – design and maintain APIs and intelligent services in Python and NodeJS
- Bring LLMs into production – integrate large language models with retrieval-augmented generation (RAG) pipelines and agent-based workflows
- Design smart orchestration – develop multi-agent workflows, communication layers, and orchestration logic to help automate and optimise promo and loyalty campaign management.
- Connect the dots – ensure seamless and secure communication between AI modules, Voucherify’s core services, and external tools through event-driven interfaces.
- Leverage the cloud – deploy and optimise microservices on AWS, making full use of Kubernetes and cloud-native best practices.
- Collaborate & innovate – work side by side with frontend developers, system architects, Sales and product teams to deliver features that push the boundaries of AI in SaaS.
- Continuously improve – tune performance, reliability, and fault tolerance, ensuring that what you build runs smoothly at enterprise scale.
Requirements
- 5+ years of hands-on Python experience (bonus points if you also know NodeJS)
- experience designing and implementing RAG functionality and working with LLMs in production.
- experience with frameworks like LangChain, LangGraph, or similar agentic frameworks
- Strong understanding of microservices, event-driven systems, and cloud-native architectures.
- Familiarity with vector databases and prompt engineering.
- Experience with MCP servers (SSE, streaming, async communication).
- Proven track record of deploying ML solutions into production environments and AWS (Kubernetes, scaling, monitoring).
- Strong grasp of secure coding, encryption, and data protection in AI systems.
Benefits
- competitive compensation
- flexible working hours
- healthy work-life balance
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
PythonNodeJSRAG functionalitylarge language modelsLangChainLangGraphmicroservicesevent-driven systemscloud-native architecturessecure coding
Soft Skills
collaborationinnovationperformance tuningreliabilityfault tolerance