Senior AI Engineer (Python)

Katowice - Poland

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

Senior AI Engineer (Python)

Voucherify is looking for a Senior AI Engineer (Python) to help drive the evolution of our incentive and loyalty platform toward an AI-orchestrated future.

At Voucherify we build a real-time API-first incentive optimisation engine trusted by 350 global brands including John Deere Michelin BOSCH Philips easyJet and Burger King. Our platform evaluates complex incentive logic at scale and powers automated decision-making across customer journeys.

In this senior role youll work on applied AI and optimisation problems that run directly in production designing multi-agent workflows scalable AI services and production-grade LLM pipelines (including RAG). Your work will directly shape how global teams automate and optimise promotions and loyalty programs.

Were a small but profitable SaaS company with a flat hierarchy competitive compensation flexible working hours and a healthy worklife balance. Watch: What (the heck) is Voucherify

Salary and Benefits

PLN gross (UoP) annual bonus

Were open to discussing the range for candidates with exceptional experience in bringing LLM agents into production.

About the Role

This is an opportunity to apply the latest advancements in AI to a real-world SaaS product with real users and measurable business impact.

Youll use Python (with NodeJS as a plus) to build AI-powered services integrate LLMs and develop RAG and agent-based workflows that move quickly from idea to production. Rather than experimental prototypes youll focus on systems that are reliable observable and scalable.

This position is ideal for someone who wants to:

Own impact at scale see your work drive measurable improvements across retail travel and e-commerce
Work at the frontier of AI & SaaS apply LLMs agent frameworks and orchestration in a high-traffic API-first platform
Grow with a senior lean team collaborate closely with experienced engineers and product leaders
Shape the future of promo & loyalty tech help define how AI augments incentive decisioning at enterprise scale
Shape the future of promo & loyalty tech be part of the team turning Voucherify into the most AI-enhanced promo engine on the market.

What Youll Do

Build AI-powered backend services design and maintain APIs and intelligent services in Python and NodeJS (NodeJS knowledge is a plus to help integrate with our core platform) making them robust scalable and production-ready.
Bring LLMs into production integrate large language models with retrieval-augmented generation (RAG) pipelines and agent-based workflows using frameworks like LangChain LangGraph or FastMCP.
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 Voucherifys 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.

What were looking for

5 years of hands-on Python experience (bonus points if you also know NodeJS) preferably in AI ML or backend development.
experience designing and implementing RAG functionality and working with LLMs in production.
experience with frameworks like LangChain LangGraph or similar agentic frameworks and a passion for building tools that can reason and act.
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.

If youre passionate about building intelligent AI systems and want to apply your expertise in a global SaaS platform wed love to hear from you.

Required Experience:

Senior IC

Senior AI Engineer (Python)Voucherify is looking for a Senior AI Engineer (Python) to help drive the evolution of our incentive and loyalty platform toward an AI-orchestrated future.At Voucherify we build a real-time API-first incentive optimisation engine trusted by 350 global brands including John...

Senior AI Engineer (Python)

Voucherify is looking for a Senior AI Engineer (Python) to help drive the evolution of our incentive and loyalty platform toward an AI-orchestrated future.

Were a small but profitable SaaS company with a flat hierarchy competitive compensation flexible working hours and a healthy worklife balance. Watch: What (the heck) is Voucherify

Salary and Benefits

PLN gross (UoP) annual bonus

Were open to discussing the range for candidates with exceptional experience in bringing LLM agents into production.

About the Role

This is an opportunity to apply the latest advancements in AI to a real-world SaaS product with real users and measurable business impact.

This position is ideal for someone who wants to:

Own impact at scale see your work drive measurable improvements across retail travel and e-commerce
Work at the frontier of AI & SaaS apply LLMs agent frameworks and orchestration in a high-traffic API-first platform
Grow with a senior lean team collaborate closely with experienced engineers and product leaders
Shape the future of promo & loyalty tech help define how AI augments incentive decisioning at enterprise scale
Shape the future of promo & loyalty tech be part of the team turning Voucherify into the most AI-enhanced promo engine on the market.

What Youll Do

Build AI-powered backend services design and maintain APIs and intelligent services in Python and NodeJS (NodeJS knowledge is a plus to help integrate with our core platform) making them robust scalable and production-ready.
Bring LLMs into production integrate large language models with retrieval-augmented generation (RAG) pipelines and agent-based workflows using frameworks like LangChain LangGraph or FastMCP.
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 Voucherifys 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.

What were looking for

5 years of hands-on Python experience (bonus points if you also know NodeJS) preferably in AI ML or backend development.
experience designing and implementing RAG functionality and working with LLMs in production.
experience with frameworks like LangChain LangGraph or similar agentic frameworks and a passion for building tools that can reason and act.
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.