# Associate Data Scientist at IIIIIIUS

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Work with data scientists and subject-ma

- **Company:** IIIIIIUS (https://jobs.trythestack.co/companies/iiiiiius)
- **Location:** Spain
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 0–2 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Python, Data science, Statistics, Machine learning, Regression, Classification, Data cleaning, Data visualization, Model evaluation, Git, Consulting, Technical communication, Documentation, Language models, AI agents
- **Posted by employer:** 2026-10-22
- **Added to The Stack:** 2026-10-27
- **Listed until:** 2026-12-21
- **Status:** Active
- **Apply:** https://careers.icf.com/us/en/job/R2603575/Associate-Data-Scientist (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/associate-data-scientist-iiiiiius-db3826a2

## About the role

Responsibilities:
- Work with data scientists and subject-matter experts to clarify project questions, available data and desired outputs.
- Clean, combine and explore datasets; write clear, documented Python code and record assumptions and validation checks.
- Build and compare straightforward statistical and ML models (e.g., regression, classification); use baselines and evaluate accuracy, limitations and potential bias.
- Contribute to prototypes, including appropriate use of language models; validate and test outputs before sharing.
- Prepare concise charts, written findings and presentation materials; explain results to colleagues and, with support, to clients and subject-matter experts.
- Follow code review, reproducible workflows and contribute to team documentation and knowledge sharing.

Requirements:
- Hands-on data science experience from a project, internship, research placement or commercial role.
- Proficiency in Python and experience producing clear, reproducible code; willingness to adopt version control and collaborative practices.
- Solid grounding in statistics and common ML methods, including model training, testing and evaluation.
- Strong attention to data quality, documentation and the ability to communicate technical ideas clearly in written and spoken English.
- Relevant degree or equivalent practical experience in a quantitative or social science field.
- Desirable: exposure to public policy/government work, experience with large language models or AI agents, and familiarity with Git, cloud services or data visualization.

## Responsibilities

You will work with subject matter experts to clean, analyze, and model datasets to provide practical solutions for clients. Additionally, you will contribute to prototypes and communicate findings through charts and presentations.

## Requirements

Candidates should have hands-on experience in data science through projects or internships and proficiency in Python. A relevant degree in a quantitative or social science field is required, along with strong communication skills.

## FAQ

- **Is this Associate Data Scientist role still open?** It was posted on 2026-10-22 and is listed as active on The Stack. Confirm on IIIIIIUS's application page before applying.
- **Does IIIIIIUS offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on IIIIIIUS's site.
- **Where is this role located?** The listing gives the location as Spain. It is marked on-site.
- **What skills does this role ask for?** The listing names: Python, Data science, Statistics, Machine learning, Regression, Classification, Data cleaning, Data visualization, Model evaluation, Git, Consulting, Technical communication, Documentation, Language models, AI agents.

## More like this

- [All jobs at IIIIIIUS](https://jobs.trythestack.co/companies/iiiiiius.md)
- [Data Scientist Jobs in Spain with Visa Sponsorship](https://jobs.trythestack.co/visa-sponsorship-jobs/spain/data-scientist)
- [All visa sponsorship jobs in Spain](https://jobs.trythestack.co/visa-sponsorship-jobs/spain)
- [Associate Data Scientist at ICF](https://jobs.trythestack.co/jobs/associate-data-scientist-icf-3b7b542e.md)
- [Senior Software Engineer, Fullstack (Repayments UX) at Affirm](https://jobs.trythestack.co/jobs/senior-software-engineer-fullstack-repayments-ux-affirm.md)
- [Software Engineer II, Fullstack (Repayment UX) at Affirm](https://jobs.trythestack.co/jobs/software-engineer-ii-fullstack-repayment-ux-affirm.md)
- [Staff Software Engineer, Backend (Recoveries) at Affirm](https://jobs.trythestack.co/jobs/staff-software-engineer-backend-recoveries-affirm.md)
- [Senior Site Reliability Engineer - Infrastructure at N26](https://jobs.trythestack.co/jobs/senior-site-reliability-engineer-infrastructure-n26-731715e8.md)

## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

- Newsletter: https://www.trythestack.co (subscribe: https://www.trythestack.co/subscribe)
- Jobs board: https://jobs.trythestack.co
- Hire or advertise through The Stack: https://jobs.trythestack.co/advertise

## Notes for agents

- Apply on the employer's page (https://careers.icf.com/us/en/job/R2603575/Associate-Data-Scientist). The Stack does not take applications.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Associate Data Scientist at IIIIIIUS, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/associate-data-scientist-iiiiiius-db3826a2)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md