Data Driven Full Stack Developer, Billy Grace

Salary not provided

SQL

React

Django

Pandas

Flask

FastAPI

Mid and Senior level

Amsterdam

3 days a week in office

AI digital marketing partner

Job no longer available

AI digital marketing partner

21-100 employees

B2BArtificial IntelligenceMarketingAnalyticsMachine LearningSaaS

Job no longer available

Salary not provided

SQL

React

Django

Pandas

Flask

FastAPI

Mid and Senior level

Amsterdam

3 days a week in office

21-100 employees

B2BArtificial IntelligenceMarketingAnalyticsMachine LearningSaaS

Company mission

To save marketing professionals from drowning in data and tedious routine tasks, freeing them to tap into their creativity and meet the needs of customers for sustainable business growth.

Job

Company

Role

Who you are

3+ years of experience as a Full Stack Developer (preferably in SaaS)
Solid experience with React and Python-based frameworks (Django, Flask or FastAPI)
Strong affinity with data-driven products, including complex SQL and analytics use cases
At least 1 year of hands-on experience with pandas (required)
Ownership-driven, communicative and comfortable taking responsibility
Living in the Netherlands and able to work hybrid (3 days in the office, no IND sponsorship)

What the job involves

As a Data-Driven Full Stack Developer, you’ll have real impact from day one
You build and maintain features used daily by customers, work on our in-house tracking pixel, and operate close to both the product and the data with clear ownership from idea to production
You work on the core of the platform at a significant moment in the company’s growth
The features you build and the technical decisions you make directly influence performance, scalability and user experience
Your work turns complex data into reliable, intuitive insights our customers depend on every day
Develop backend logic for loading, transforming and mutating data for analytics and reporting
Design and implement Django APIs, using ORM and raw SQL for performance-critical use cases
Write and optimise complex SQL queries in data-heavy environments
Build and maintain React.js components for a fast, intuitive user experience
Own features end-to-end, contributing to architecture, scalability and reliability

Our take

In today's marketing landscape, teams often grapple with challenges such as limited staffing resources and the complex task of allocating campaign funds. The founders of Billy Grace personally understood these hurdles, serving as a driving force behind the establishment of the company.

Billy Grace provides professionals with AI-powered technology. By equipping marketers with these cutting-edge AI tools, Billy Grace enables them to advance their approach to digital ads. Marketers gain the ability to optimise their strategies, resulting in a boost in return on investment (ROI) and access to previously unattainable actionable insights.

With a solid foundation of support from various investors, Billy Grace is ready to take on an extensive growth and expansion plan, already citing a 700% growth rate in 2024. The company is preparing to scale its operations both nationally and internationally, bringing the potential of AI technology to marketers across the globe.

Steph

Company Specialist at Welcome to the Jungle

Company

Funding (2 rounds)

Mar 2025

$3.5m

EARLY VC

Jul 2023

$2.7m

EARLY VC

Total funding: $6.2m

Company benefits

25 days holiday
A Macbook
Birthday off
Space and time for training and development
Team outings

Company HQ

Leidseplein, Amsterdam, Netherlands

Leadership

Mitch Voskuilen

(Co-Founder & CEO)

Graduated from the Hague University of Applied Sciences with a Bachelor's Degree in Communication and Multimedia Design. Previously worked as a Senior Digital Manager at Business Talent Network and Moongro.

Robin Friend

(Co-Founder & COO)

Graduated from the University of Amsterdam with a Masters Degree in Communication Science and Marketing. Previously co-founded True Legends IT Professionals, Moongro, and MySecondHome.

Tjadi Jesse Peeters

(Co-Founder)

Graduated from the Open University with a Masters Degree in Data Science Management. Previously worked as a Data Scientist at FrieslandCampina and Digital Power.

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