AI/ML Developer: LLM/RAG for Credit & Lending (Cloud)

Sii Poland; Kraków; Hybrid; PLN 180,000 - 210,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

MySii app

Medical care

Profit sharing

Regular integration events and trips

Office with good facilities

Contract with big brands

Job summary

Sii Poland is seeking an AI/ML Developer to join our team of engineers transforming Credit and Lending with cutting-edge AI. You will collaborate with stakeholders to deliver high-impact solutions in a fast-moving, innovative environment.

Requirements include 3+ years in AI/ML, Python with FastAPI and LangChain, SQL databases (PostgreSQL), API design, and cloud experience (Azure, GCP). Hybrid work from Cracow office several days a month.

Qualifications

• 3+ years of experience in AI/ML development
• Strong Python experience with FastAPI and LangChain
• Deep knowledge of PL/SQL and SQL databases (PostgreSQL)
• Experience in API design and microservices architecture
• Understanding of LLM architectures, RAG, and prompt engineering
• Familiarity with Kubernetes, CI/CD, and cloud platforms (Azure, GCP)
• Experience with TDD/BDD methodologies
• Excellent English communication and presentation skills

Responsibilities

• Design, test, and optimize prompts for LLMs for Credit & Lending use cases
• Develop and implement solutions using RAG and vector databases
• Participate in full lifecycle from problem discovery to production deployment
• Apply AI best practices for fairness, transparency, and accountability
• Collaborate with cross-functional teams to align tech with goals
• Write clean, testable, reusable code
• Utilize Azure and GCP for development, deployment, scaling of AI models
• Co-author solution designs and maintain products in production

Skills

Python

FastAPI

LangChain

PostgreSQL

PL/SQL

API design

Microservices

LLM architectures

RAG

Prompt engineering

Kubernetes

CI/CD

Azure

GCP

TDD

BDD

English proficiency

Job description

Sii Poland is seeking an AI/ML Developer to join our team of engineers transforming Credit and Lending with cutting-edge AI. You will collaborate with stakeholders to deliver high-impact solutions in a fast-moving, innovative environment.

Requirements include 3+ years in AI/ML, Python with FastAPI and LangChain, SQL databases (PostgreSQL), API design, and cloud experience (Azure, GCP). Hybrid work from Cracow office several days a month.