Join to apply for the Senior AI Engineer - RAG & AI Agents role at Iris.ai .
Iris.ai is a pioneering AI‑first company on a mission to transform how humans discover and apply knowledge. For over a decade, we’ve built intelligent systems that empower researchers, engineers, and product teams to work faster and more precisely with scientific and technical data. Our product suite — Neuralith, Axion, and RSpace — supports end-to-end AI development, from data orchestration and retrieval to LLM evaluation and deployment. At the core of our work are Retrieval‑Augmented Generation (RAG) pipelines, LLM Evaluation Frameworks, and intelligent AI Agents that bring context‑awareness, accuracy, and task‑level reasoning to applied AI. Backed by the European Innovation Council (EIC) and trusted by leading R&D teams across industries, we turn advanced AI research into real‑world tools that help organizations solve high‑impact problems.
Opportunity
As a Senior AI Engineer at Iris.ai, you’ll join a remote‑first, AI‑native team focused on building production‑ready systems powered by RAG, LLMs, and AI agents. You’ll collaborate with research scientists, engineers, and product managers to design and deliver AI features that go beyond generation—helping users navigate, reason, and act on complex knowledge. You’ll work across the full development lifecycle, from design to deployment, and play a key role in shaping how next‑gen AI is evaluated, trusted, and adopted in real‑world workflows.
Technologies Used In The Job Include
Python & Django
Relational databases (PostgreSQL)
Non‑relational and vector databases (Elasticsearch / OpenSearch, ChromaDB, Couchbase)
AI / ML / NLP libraries (Gensim, Torch, Transformers, spaCy, Autogen, etc.)
Cloud (AWS)
GenAI tools (Windsurf, Cursor, Amazon Q, Claude and other)
Git & CI / CD
What You’ll Do
Own the full development lifecycle — from idea to architecture, implementation, testing, and delivery of real‑world AI products
Design and build robust AI systems, including Iris.ai’s proprietary Retrieval‑Augmented Generation (RAG) pipelines and LLM Evaluation Frameworks used by leading R&D teams
Drive innovation by testing new approaches and bringing new AI research into production
Collaborate across teams—work closely with researchers, product managers, and fellow engineers to shape and ship powerful features
Build systems for performance and reliability, ensuring they are scalable, testable, and maintainable
Contribute to a global mission to transform how the world interacts with scientific knowledge and applied AI
Thrive in a remote‑first, agile environment, contributing meaningfully within a distributed, deep‑tech team
Keep learning, always — we’ll support you with space, mentorship, and resources to grow as an AI engineer
What You Need
5+ years in software development, including 3+ years with Python
Solid experience in web backends (Django/Flask), REST APIs, databases, and cloud infrastructure
Familiarity with ML systems or motivation to learn in depth
Ability to work in a remote‑first, collaborative environment
Proficiency in English
Any of These Is an Advantage
Advanced degree in Computer Science or related field
Previous work with LLMs, NLP, or AI model evaluation
Experience contributing to or using RAG systems in production
Open‑source contributions, academic research, or mentoring
Life At Iris Offers
Impact
Build responsible AI that shapes the future of science and tech
Join a sharp, versatile team of ambitious builders
Thrive in a flat structure with no corporate hierarchy, where every voice matters
Compensation
Competitive salary with annual reviews
Stock options to share in our long‑term success
Work Your Way
30 days annual paid vacation + bonus days
Flexible work hours
Flexible work location — you choose where to work from
Hybrid model or 100% remote work — you want it? — you have it!
Regular team building activities and travels
Seasonal working camps (summer / winter)
Personalized work equipment allowance — choose your own gear
Grow With Us
Learning & Development Allowance — we will sponsor you to join global conferences or take upskilling courses
Career Enhancement Plan
New technologies introduction & testing opportunities
Knowledge transfer, work buddies, pair‑coding, mentorship opportunities, weekly tech deep dives
Workshops, conferences, hackathons
Freedom to bring innovation and your ideas to life
Wellbeing & Perks
Free MultiSport card
Cool Sofia office in a central location
Private health insurance — premium package
Bi‑annual health checks
Charity and volunteer activities
Seniority level: Mid‑Senior level
Employment type: Full‑time
Job function: Engineering and Information Technology
Industries: Software Development
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