ML Integration Engineer — Production-Grade AI Systems

OneRail; Kraków; Hybrid; PLN 223,000 - 301,000; Full time

Benefits offered by this job

Hybrid work style

Competitive compensation

Flexible employment types

Job summary

OneRail in Kraków, Poland is seeking an Integration Engineer to bridge data science and production software by integrating ML models into the flagship platform. You will deploy, monitor, and maintain ML-powered features across backend services and React components.

You’ll work with ML pipelines, APIs, and microservices, focusing on low-latency inference, scalable data flows, and robust deployments with Docker and CI/CD pipelines. Fluency in English is required.

Qualifications

• 3+ years of professional full-stack development with ML-in-production experience.
• Strong TS and Python proficiency; experience delivering ML features.
• Excellent English communication and ability to translate ML concepts to non-technical stakeholders.

Responsibilities

• Deploy and maintain ML models as robust service endpoints.
• Productionize prototypes and extend the product with ML features.
• Define and evolve RESTful APIs with OpenAPI/Swagger.
• Build microservices encapsulating ML logic and data processing.
• Containerize services with Docker and orchestrate deployments.
• Collaborate with cross-functional teams to translate ML requirements into features.
• Ensure code quality and API versioning strategies.

Skills

TypeScript

Python

React

Full-stack development

REST APIs

OpenAPI/Swagger

Docker

Kubernetes

CI/CD

English (B2+)

Tools

Kafka

FastAPI

Flask

Node.js

Job description

OneRail in Kraków, Poland is seeking an Integration Engineer to bridge data science and production software by integrating ML models into the flagship platform. You will deploy, monitor, and maintain ML-powered features across backend services and React components.

You’ll work with ML pipelines, APIs, and microservices, focusing on low-latency inference, scalable data flows, and robust deployments with Docker and CI/CD pipelines. Fluency in English is required.