Senior Data Scientist, Roamler

Salary not provided

AWS

Python

Azure

Spark

NumPy

Pandas

Semantic

Senior and Expert level

Amsterdam

Visa sponsorship available

2 days a week in office

Platform technology for flexible resourcing

Be an early applicant

Platform technology for flexible resourcing

201-500 employees

B2BEnterpriseMarketplaceMarketingSaaS

Be an early applicant

Salary not provided

AWS

Python

Azure

Spark

NumPy

Pandas

Semantic

Senior and Expert level

Amsterdam

Visa sponsorship available

2 days a week in office

201-500 employees

B2BEnterpriseMarketplaceMarketingSaaS

Company mission

To match the demand for fast and effective solutions to business problems, with professionals who are looking for more growth opportunities.

Job

Company

Role

Who you are

Bachelor's and/or Master's degree in a quantitative field (e.g. data science, computer science, artificial intelligence)
5+ years of experience as a Data Scientist
Hands-on, practical experience bringing LLMs into production: prompt design, evaluation, and cost/latency tradeoffs, not just experimenting in a notebook
Solid experience with embeddings and NLP, such as semantic similarity, entity matching, or text classification
Experience with Python (sklearn, numpy, pandas, etc.)
Experience with Spark, preferably PySpark
Knowledge of and experience with machine learning algorithms, such as clustering, classification, and regression
Experience with AWS or Azure cloud services, including model hosting
Experience with AI agent frameworks or computer vision is a plus
Eager to challenge the status quo and experiment with new tools and methods
Result-driven and hands-on attitude
Proactive and courage to speak up
Ability to communicate in English, verbally and in writing

What the job involves

Add value by finding data solutions that fit the business problems we want to solve for our customers
Own and evolve our classical ML/NLP enrichment pipeline (matching, classification, embeddings) and the services that power all our data applications
Design, build, and run LLM-based components in production, such as enrichment, classification, and entity matching, with prompt design treated as part of system design
Choose the right tool for the problem: a state-of-the-art model, an LLM, a classical algorithm, or a smart business rule, weighing accuracy, cost, and latency
Define evaluation methods and quality metrics so LLM and ML output can be trusted at the same bar as our rule-based systems, together with our data engineers
Look beyond the pure data science scope: work together with our data engineers to get POCs into production
Write production quality code
Identify new opportunities in the large amount of data we collect every day in our data lake
Collaborate with business and data stakeholders to align requirements and expectations
Drive continuous improvement in our data science setup
Foster a collaborative and enjoyable team environment through code reviews, knowledge sharing, and daily interactions

Our take

Businesses are increasingly in need of flexible field-marketing solutions to maintain the organisational agility required to stay competitive. Roamler provides a B2B crowd-supported solution, employing a large network of on-demand professionals.

Users are recruited on a mobile app and are matched to ‘tasks’ for various companies. The company has become a European leader in this space, performing tasks for the biggest FMCG manufacturers, consumer brands, PCGs and retail chains.

The company has also opened its platform to independent professionals who perform installations, maintenance and repair for clients such as Eneco, Ring and ANWB. Roamler is continuing to expand its services internationally, collecting positive case studies from its growing client list.

Freddie

Company Specialist at Welcome to the Jungle

Insights

-7% employee growth in 12 months

Glassdoor (3.9)

Trustpilot (4.3)

Company

Funding (last 2 of 5 rounds)

Jun 2020

$22.6m

SERIES B

Apr 2016

$5.1m

SERIES A

Total funding: $29.7m

Company benefits

Bonus
33 days holiday, including public holidays, plus the option to buy or sell five days each year (tbc)
Company pension scheme (for full-time roles)
Travel allowance
Life Insurance
Medical insurance

Company HQ

Buiksloterham, Amsterdam, Netherlands

Leadership

Wiggert de Haan

(AI Strategist & Co-Founder)

Previously CEO of ISIZ and Founder of MindWorld.

Martijn Nijhuis

(Ambassador & Co-Founder)

Previously Account Manager and Founder of TNS NIPO Commerce, Vibes Europe and Quint Result Onderzoek & Advies.

Jeroen Ten Haave

(CEO)

Previoulsy CEO at Oxxio and Managing Director at Unamic/HCN.

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