Senior AI Engineer - Remote & Flexible Growth

Visa Hunt; Poland; On-site; PLN 180,000 - 280,000; Full time

Job summary

Alight is seeking a senior AI/ML engineer to design, develop and deploy machine learning models and AI applications that solve complex business problems. Design, build, and maintain AI-powered search, summarization, and chat features for internal platforms; implement agentic AI systems with multi-step reasoning and tool-calling; work with vector databases and OpenSearch/Elasticsearch on AWS.

Collaborate with product and business stakeholders to translate requirements into scalable solutions

Qualifications

• 5+ years of IT or software engineering experience, with at least 2 years in AI/ML.
• Proficient in Python.
• Hands-on experience with OpenSearch or Elasticsearch.
• Experience with AWS services (Lambda, SageMaker, Glue, S3).
• Familiarity with vector databases and vector search techniques.

Responsibilities

• Design, build, and maintain AI‑powered search, summarization, and chat applications for our internal AI‑powered search and chat platform
• Hands‑on experience building or integrating agentic AI systems, such as multi‑step reasoning, tool‑calling, or autonomous workflows
• Implement information‑retrieval solutions, including vector‑based search, relevance ranking, and retrieval‑augmented generation (RAG)
• Develop production‑ready AI applications in Python, integrating with AWS services
• Build and tune OpenSearch / Elasticsearch indexes to support semantic and keyword search use cases
• Evaluate, tune, and refine AI models and system performance through experimentation
• Partner with product and business stakeholders to translate requirements into scalable technical solutions

Skills

Python proficiency

AI/ML experience

Tools

OpenSearch

Elasticsearch

AWS services

Vector databases

Job description

Alight is seeking a senior AI/ML engineer to design, develop and deploy machine learning models and AI applications that solve complex business problems. Design, build, and maintain AI-powered search, summarization, and chat features for internal platforms; implement agentic AI systems with multi-step reasoning and tool-calling; work with vector databases and OpenSearch/Elasticsearch on AWS.

Collaborate with product and business stakeholders to translate requirements into scalable solutions