Remote Senior AI Engineer - Build Production-Grade AI Apps

Trinetix; Warszawa; Hybrid; PLN 180,000 - 320,000; Full time

Job summary

Trinetix is seeking a Senior AI Engineer to design and build production-grade AI applications and services using Python. You will translate business use cases into scalable technical solutions, working with LLMs, backend services, APIs, and enterprise systems.

This hybrid or remote role involves collaborating with clients and stakeholders to refine requirements, evaluate trade-offs, and shape end-to-end AI solutions, with emphasis on reliability, observability, testing, and CI/CD.

Qualifications

• 5+ years of experience in software engineering, backend engineering, applied AI, or related fields.
• Strong Python fundamentals and experience building maintainable, production-grade Python applications.
• Experience designing and deploying AI or LLM-powered products beyond proof-of-concept or notebook environments.
• Experience building backend services and APIs using Python.
• Hands-on experience evaluating LLM outputs and designing repeatable test cases for AI applications.
• Experience with observability, instrumentation, logging, tracing, or monitoring of production applications.
• Ability to reason from first principles and solve unfamiliar technical problems.
• Strong communication skills and experience working directly with technical and business stakeholders.

Responsibilities

• Design and build production-grade AI applications and services using Python.
• Translate business requirements and AI use cases into practical technical solutions.
• Build backend services, APIs, workflows, and integrations that incorporate LLMs and other AI capabilities.
• Design evaluation frameworks and test cases to measure the quality and reliability of AI outputs.
• Develop techniques to improve the consistency and predictability of LLM-powered features.
• Implement observability, instrumentation, tracing, and monitoring for AI systems.
• Build reusable components for prompting, model interaction, evaluation, retrieval, and orchestration.
• Develop automated tests and CI/CD pipelines for AI applications.
• Integrate AI applications with enterprise data platforms, APIs, and business systems.
• Diagnose and resolve issues in deployed applications and support production workloads.
• Contribute to architecture and technology decisions across AI products.
• Review engineering work and establish best practices for Python and AI application development.
• Work directly with clients and stakeholders to refine requirements, evaluate trade-offs, and shape solutions.

Skills

Python

Backend engineering

LLM deployment

Python APIs

Observability

CI/CD

Testing

External APIs integration

First principles

Stakeholder comms

Tools

Cloud infrastructure

Containerisation

Production deployment

Job description

Trinetix is seeking a Senior AI Engineer to design and build production-grade AI applications and services using Python. You will translate business use cases into scalable technical solutions, working with LLMs, backend services, APIs, and enterprise systems.

This hybrid or remote role involves collaborating with clients and stakeholders to refine requirements, evaluate trade-offs, and shape end-to-end AI solutions, with emphasis on reliability, observability, testing, and CI/CD.