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WeeFin Tech Stack

ESG data platform for financial institutions managing regulatory compliance

Technology, Information and Media Paris, Île-de-France 51–200 employees Founded 2018 Privately Held

WeeFin sells an ESG data consolidation and collaboration platform to asset managers and financial institutions. The tech stack (Python, pandas, Airflow, PostgreSQL, DynamoDB on AWS) reflects a data-heavy product focused on ingestion and transformation rather than real-time inference. Sales-led hiring velocity (12 open roles in sales vs. 2 in data) and a director-level sales appointment signal aggressive account expansion; simultaneous focus on German market entry and BDR performance improvement suggests early-stage go-to-market scaling.

Tech Stack 11 technologies

Core StackHubSpot AWS Lambda Terraform Python pandas NumPy Apache Airflow PostgreSQL DynamoDB AWS AWS Step Functions

What WeeFin Is Building

◆Challenges

Expanding into german market
Enhancing bdr performance
Building local presence in germany
Understanding esg data
Maintaining quality of deliverables
Accelerating international growth
Complex client challenges
Expanding client base in esg finance
Increasing market share in european saas finance
Improving lead conversion

▲Active Projects

Deploy abm strategy for high-potential financial institutions
Esg platform deployment
Launch german market for esg saas platform
Crm improvement initiative
Esg connect onboarding
Esg data analysis
Optimize crm tools and prospecting
Enhance bdr team performance
German-language content creation
Define and implement go-to-market strategy

Hiring Activity

Steady20 roles · 8 in 30d

Department

Sales

12

Support

5

Data

2

Marketing

1

Seniority

Senior

9

Mid

4

Director

2

Junior

2

Manager

2

Intern

1

Notable leadership hires: Sales Director

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About WeeFin

WeeFin provides a SaaS platform that unifies ESG (environmental, social, governance) data for financial institutions, enabling compliance and strategic reporting. The product consolidates fragmented ESG datasets into a single source and facilitates cross-team workflows. Founded in 2018 and launched publicly in 2021, the company operates across France, Germany, and the United Kingdom with an international team split between Paris and London. The business serves mid-market and enterprise asset managers; clients range from smaller regional players to institutions managing substantial assets under management.

HeadquartersParis, Île-de-France

Company Size51–200 employees

Founded2018

Hiring MarketsFrance, Germany, United Kingdom