Leadtech Group Tech Stack

Data platform and operations automation for multi-market fintech and online services

Software Development Barcelona, Barcelona 501–1,000 employees Founded 2009 Privately Held

Leadtech is a Barcelona-based services and software company built around data infrastructure and financial operations automation. The tech stack reveals a modern data-first architecture (Python, PostgreSQL, BigQuery, Databricks, dbt, Apache Airflow, Dataflow) paired with AI integrations (ChatGPT, Claude, LangGraph) and workflow automation (n8n). Active hiring is heavily concentrated in data (15 roles) and finance (9 roles), with pain points clustered around ETL reliability, reporting accuracy, and FP&A scaling—suggesting the company is moving beyond basic analytics toward operational automation and multi-entity financial consolidation.

Tech Stack 78 technologies

Core StackPython React Node.js Express TypeScript Vite PostgreSQL BigQuery n8n Braze Iterable Google Analytics Databricks Apache Airflow dbt Great Expectations shadcn/ui GCP ChatGPT Notion OneSignal Google Bing Google Tag Manager Excel SIEM EDR SOAR Dataflow Pub/Sub+45 more

Adoptingn8n Terraform Kafka LangGraph Claude MCP TikTok

What Leadtech Group Is Building

◆Challenges

High availability and performance across etl/elt processes
Improving reporting quality
Cost efficiency of data pipelines
Reporting accuracy
Gdpr compliance
Scaling data organization
Data governance
Improving fp&a processes
Complex fp&a function
Scaling payroll compliance processes

▲Active Projects

Data mart (data mach) environment
Fp&a process automation
Internal controls implementation
Automate payroll reports
Scalable data pipelines on gcp
Design and optimize data infrastructure on gcp
Implement ci/cd best practices
Audit support
Event-driven microservices architecture
Equality plan implementation

Hiring Activity

Steady45 roles · 20 in 30d

Department

Data

Finance

Marketing

Engineering

Product

Research

Security

Seniority

Senior

Manager

Director

Mid

Lead

Junior

Notable leadership hires: Data Director

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About Leadtech Group

Leadtech operates as a privately held services and software company serving online businesses across multiple verticals since 2009. The organization spans 600+ employees across Spain, France, Portugal, Italy, Greece, and China, with operational focus on data engineering, financial planning & analysis, payroll compliance, and internal controls. Core projects include building scalable GCP-based data pipelines, automating FP&A workflows, implementing data governance frameworks, and designing event-driven microservice architectures. The company combines traditional financial operations consulting with modern data infrastructure, positioning it between a management consulting firm and an internal data engineering shop for mid-market financial services clients.

HeadquartersBarcelona, Barcelona

Company Size501–1,000 employees

Founded2009

Hiring MarketsFrance, Portugal, Italy, Spain, Greece, China

Frequently Asked Questions

What tech stack does Leadtech use?

Python, React, Node.js, PostgreSQL, BigQuery, Databricks, Apache Airflow, dbt, and GCP form the core stack. They're actively adopting LangGraph, Claude, and Kafka; integrating ChatGPT; and using n8n for workflow automation.

Where is Leadtech headquartered and hiring?

Headquartered in Barcelona, Spain. Active hiring across Spain, France, Portugal, Italy, Greece, and China.