Senior Backend Python/Node.js AI Innovation Engineer

About Us
We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration, we offer services across e-commerce, Fintech, logistics, and healthcare.

Our client are looking for a Senior Backend Engineer with expertise in Python and Node.js to join our cutting-edge AI Innovation team. In this role, you’ll design and build scalable backend systems that power our AI-driven products and services. You’ll collaborate closely with machine learning engineers, product designers, and infrastructure teams to bring prototypes to production and unlock new capabilities across our platform.

This is more than a traditional backend role — it’s an opportunity to shape how AI is integrated into real-world applications and lead technical innovation from the backend side.

Key Requirements:
🔹 5+ years of professional backend development experience;
🔹 Strong proficiency in Python and Node.js (TypeScript is a plus);
🔹 Experience working with RESTful APIs, GraphQL, and event-driven architectures;
🔹 Solid understanding of cloud platforms (preferably AWS, GCP, or Azure);
🔹 Familiarity with AI/ML model integration and lifecycle management (e.g., FastAPI, Flask, TensorFlow Serving, or similar);
🔹 Hands-on experience with Docker, Kubernetes, and modern DevOps tools;
🔹 Comfortable working in fast-paced, R&D-heavy environments with a focus on experimentation;
🔹 Excellent communication and cross-functional collaboration skills;
🔹 English – Upper-Intermediate or higher.

Will be plus:
🔹 Exposure to Generative AI, LLMs, or NLP;
🔹 Experience with microservices and distributed systems;
🔹 Familiarity with data engineering tools (Airflow, Kafka, etc.);
🔹 Contributions to open-source AI or backend projects.

What you will do:
🔹 Design, build, and maintain robust, scalable backend services and APIs using Python and Node.js;
🔹 Collaborate with AI/ML engineers to deploy models and data pipelines into production environments;
🔹 Implement cloud-native solutions for model serving, data ingestion, and analytics pipelines;
🔹 Optimize system performance and scalability to handle large-scale AI workloads;
🔹 Lead architectural discussions and advocate for best practices in backend engineering;
🔹 Prototype innovative AI solutions and turn experimental ideas into production-ready systems;
🔹 Ensure high standards of code quality, testing, CI/CD, and security compliance.

Interview stages:
🔹 HR Interview;
🔹 Technical Interview;
🔹 Final Interview.

Why Join Us?
🔹 Be part of a friendly international team, working together on interesting global projects;
🔹 Enjoy many chances to grow, learn from mentors, and work on projects that make a real difference;
🔹 Join a team that loves fresh ideas and supports creativity and new solutions;
🔹 Work closely with clients, building great communication skills and learning directly from their needs;
🔹 Thrive in a workplace that values your needs, offering flexibility and a good balance between work and life.