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Modulai

Machine Learning Engineer - Sweden πŸ‡ΈπŸ‡ͺ

Modulai is hiring a Machine Learning Engineer - Sweden πŸ‡ΈπŸ‡ͺ in Stockholm, Sweden. Level rates it ; you can apply on Modulai.

Level's read on this job

  • Level rates this machine learning engineer role Builds AI ●●●●: the job is building AI systems.
  • Tools and skills the posting cites include LangChain, LlamaIndex and LangGraph.
  • Level classifies it as a mid-level role.
  • Level lists 4 other open roles at Modulai.

AI in this role

LangChainLlamaIndexLangGraphCrewAIscikit-learnSageMaker
prompt-engineeringragfine-tuningml-ops

Machine Learning Engineer

As a member of the ML team at Modulai you will be working with a broad range of problems with one common denominator: ML will be the key ingredient.

About Modulai

We are a leading machine learning agency founded in 2018. We help ambitious organisations - from early-stage startups to world-leading enterprises - create real value with the latest ML breakthroughs and research to put models in production. From healthcare and finance to retail, logistics, and manufacturing, Modulai partners with industries across the board to unlock the true potential of their data.

At Modulai, curiosity is a core strength. Our ML team is deeply collaborative, we believe in sharing knowledge and constantly pushing the boundaries of what ML can achieve. Together, we achieve new levels of competitiveness and business growth. ML should always be a force for good - everything we build aims to make a positive and lasting impact. If there is data, we will do ML on it.

About the role

You will analyze the problem at hand, come up with a solution strategy and execute it. This typically entails gaining an in-depth understanding of the challenge, understanding the available data, and then reformulating it as an ML problem. It requires openness, creativity, and an eagerness to learn new methodology and explore new terrains. We approach these problems as a team, meaning that you will have to be able to clearly explain your reasoning and code in order to engage the rest of us.

Our stack

  • Python / R – standard open-source libraries

  • Scikit-learn and various specialized Python and R ML libraries

  • Large Language Model (LLM) frameworks such as LangChain/LlamaIndex, LangGraph, CrewAI

  • Cloud platforms such as AWS, GCP, and Azure

  • CI/CD: DVC, Github Actions, Sagemaker/VertexAI/AzureML,

  • Relational database management systems

  • MLOps and LLMOps tools for model deployment and monitoring.

  • Software engineering best practices, including testing, version control (Git), and containerization (Docker, Kubernetes)

  • Orchestration: Airflow, AWS Step functions, etc Engineering/LLM/deployment: Kubernetes, docker, terraform

Responsibilities

  • Analyzing and planning problems, solutions, and delivery with stakeholder management, and communication with client

  • Preprocessing, feature engineering, and dataset creation

  • ML and LLM model development, fine-tuning, and evaluation

  • Using Cloud platforms such as AWS, GCP, and Azure

  • Validation of results and model interpretability

  • Building and optimizing data pipelines and ML/LLM infrastructure

  • Developing APIs and integrating ML models into production systems

  • Ensuring scalability, monitoring, and performance optimization of deployed models

Background and skills

  • MSc or Ph.D. in a quantitative field

  • +2 years of experience with ML in production.

  • Excellent understanding of a broad set of ML and deep learning algorithms, including LLMs

  • Strong software development skills in Python and experience with software engineering best practices

  • Experience deploying ML and LLM models into production environments

  • A passion for lean, clean, and maintainable code

  • The desire to grow and to share insights with others

Helpful knowledge going into this role

  • Deep learning frameworks and transformer-based architectures

  • Experience in MLOps and LLMOps tools for model deployment and monitoring.

  • LLM fine-tuning, prompt engineering, and retrieval-augmented generation (RAG)

  • Data pipelining and ML/LLM infrastructure best practices

  • DevOps experience, CI/CD, Kubernetes, and serverless architectures

  • Experience with vector databases e.g (Pinecode, redis, and ElasticSearch) for LLM applications

  • Experience with handling client relationships and delivery

NOTE:

To apply, we require a work VISA for Sweden. Currently, we do not offer sponsorships.

Due to the summer holiday period, applications will be reviewed starting 27th of July.

Why join Modulai?

  • Healthy work-life balance and a flexible work environment

  • Competitive benefits like yearly health checks, ski trip and kickoff

  • Curious, diverse and knowledge-sharing culture

  • Work on real, critical problems with cutting-edge AI

  • A place to grow and develop your AI expertise

How we rate this

Machine Learning Engineer - Sweden πŸ‡ΈπŸ‡ͺ at Modulai rates 99 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.

Classification

Builds AI. The job is building AI systems.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Prompt engineeringRAGFine-tuningML OpsLangChainLlamaIndexLangGraphCrewAI

Also common in machine learning engineer jobs at this level

Pay

Typical machine learning engineer job
$197k

This posting doesn't list pay. Use the typical machine learning engineer figure when pay comes up. See machine learning engineer jobs

Questions you could be asked

  1. How do you structure and test a prompt to get consistent output from a language model?
  2. How would you design a retrieval step so the model answers from real data instead of guessing?
  3. Walk me through fine-tuning a model: what data did you use, and how did you check the result?
  4. How do you monitor a model once it's live, and how do you know it needs retraining?
  5. Walk me through how you've used LangChain in your day-to-day work.

Adapt your resume

  • List these exact terms on your resume: Prompt engineering, RAG, Fine-tuning, ML Ops, and LangChain. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
  • Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.

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