Agentic AI Software Engineer

Nionis an IT company, built through the successful consolidation of three well-established tech firms. Rooted in Stockholm, our mission is to drive innovation and deliver impactful digital solutions for a global client base spanning Sweden, Norway, the UK, Italy, and the US.

We thrive on complexity, simplifying challenges for major players across fintech, telecommunications, healthcare, logistics, etc.

Joining us means stepping into a culture where your voice matters, and your personal growth is matched by the diverse, high-impact projects you'll work on.

We are seeking an experiencedAgentic AI Engineerto design and implement intelligent automation solutions for our clients. You'llbuild autonomous AI systemsthat can understand, reason, and take action on complex business workflows - from document processing and data classification to process automation and decision-making systems.

If you have a strong background inNatural Language Processing,Large Language Models, and building production-ready agentic solutions

• this is an exciting opportunity to work on cutting-edge AI systems that transform how businesses operate.

Required Qualifications:

3+ yearsof experience inAI/ML engineeringwith focus onNLPandGenerative AI

Strong expertise in building LLM-based applications and agentic systems

Hands-on experience withLLM frameworks and toolset(LangChain, LangGraph, LlamaIndex, AutoGen, Huggingface or similar)

Proficiency in deg and implementingagentic workflows(planning, reasoning, tool use, multi-step orchestration)

Experience withprompt engineering, fine-tuning, and RAG(Retrieval-Augmented Generation) patterns

Strong programming skills with either.Net, Java or Python

Knowledge of text classification, intent detection, semantic understanding, and information extraction techniques

Containerization (Docker,Kubernetes)

Experience withvector databases and embedding models

Familiarity withMLOps/LLMOps practicesand model deployment pipelines

Understanding ofAPI integration with external service

Knowledge ofdata andsecurity best practices.

AdditionalExperience That’s a Plus:

Knowledge of:

document processing

automation workflows

process automation

Experience with evaluation frameworks and testing strategies for LLM applications.

Language requirements:

English (Fluent)

The Ideal Candidate Is:

Highly professionalandsolution-orientedwith a focus on the client's business needs.

Has experienceworking directly with clientsand translating business requirements into technical solutions.

Is comfortableowning projects end-to-end, from design to deployment.

Shows initiative instaying current with the latest developments in Agentic AI and LLMs.

Hasexcellent communication skillsfor both technical and non-technical stakeholders.

Highlyresponsibleandreliable.

Flexible to travel (if needed).

How We Support You at Nion

At Nion, we don’t just offer a job — we offer a place where your growth, well-being, and success are at the center. What you’ll enjoy here:

A collaborative, flat-structure environment where support is built in — your Consultant Manager acts as a dedicated mentor and "co-pilot," ensuring your professional development and well-being are always on track.

A high-trust culture that gives you autonomy, ownership, and the freedom to share and implement our ideas.

Career development plan and continuous learning opportunities through hands-on projects, mentorship, and access to top learning resources.

A vibrant culture where people genuinely enjoy working together, supported by strong team spirit, knowledge sharing, and fun social events.

Additionalbenefits:

A hybrid work model and flexible working hours.

Competitive salaries and regular performance reviews.

Private health insurance.

Company-sponsored mobile devices and paid subscriptions.

Paid Fitness programs for diverse lifestyles.

Ready to take ownership of challenging projects and work with a team that truly has your back?