O

OnBuy Tech Stack

European marketplace connecting retailers with millions of shoppers via a seller-first platform

Technology, Information and Internet London 51–200 employees Founded 2016 Privately Held

OnBuy operates a seller-centric marketplace with a data infrastructure heavy on cloud analytics (BigQuery, Snowflake, Databricks, Redshift) and orchestration (Airflow, Airbyte, Fivetran). Active hiring in finance and data—alongside projects in FP&A software, operational dashboards, and a semantic data layer—suggests scaling toward £1B+ GMV and operational maturity. The org is actively adopting NetSuite while tackling manual intervention and trading-gap closure across the financial planning function.

Tech Stack 24 technologies

Core StackBigQuery Snowflake Databricks Redshift Kubernetes Apache Airflow Airbyte Fivetran Docker Helm GitLab CI/CD GitHub Actions NetSuite Terraform Ansible IAM Cloud Run Artifact Registry GCS Stitch Excel Google Shopping CSS GCP

AdoptingNetSuite

What OnBuy Is Building

◆Challenges

Automation and efficiency improvements within fp&a function
Maximizing incremental gmv
Optimising software delivery pipelines
Scale beyond £1b gmv
Reset tech organisation for global marketplace growth
Trading gaps
Implement fp&a software solutions
Eliminating recurring issues
Improving resolution speed
Reducing manual intervention

▲Active Projects

Financial modelling for scenario planning
Fp&a software implementation alongside netsuite
Develop operational dashboards and self-serve reporting
Risk management governance framework
Automation and predictive analytics integration
Automated insights platform
Scaling analytics infrastructure
Evolving semantic data layer
Budgeting and forecasting processes
Feed-driven segmentation framework

Hiring Activity

Accelerating25 roles · 15 in 30d

Department

Finance

8

Data

6

Engineering

6

Marketing

3

Support

3

Ops

1

Seniority

Senior

13

Lead

4

Mid

4

Junior

3

Manager

2

Director

1

Notable leadership hires: Head of Technology

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About OnBuy

OnBuy is a UK-based online marketplace founded in 2016 that connects retailers with customers across Europe. Unlike traditional marketplaces, OnBuy does not stock or sell inventory directly—instead providing a transparent platform for third-party retailers to reach millions of shoppers. The business model centers on cashback rewards and a seller-first philosophy that avoids channel conflict. The 51–200-person team is distributed across finance, data, engineering, marketing, support, and operations, with current hiring focused on scaling finance and analytics capabilities.

HeadquartersLondon

Company Size51–200 employees

Founded2016

Hiring MarketsUnited Kingdom

Frequently Asked Questions

What tech stack does OnBuy use?

OnBuy's core stack includes BigQuery, Snowflake, Databricks, and Redshift for analytics; Kubernetes, Cloud Run, and GCP for infrastructure; Apache Airflow, Airbyte, and Fivetran for data pipelines; and GitLab CI/CD and GitHub Actions for deployment.

What is OnBuy working on?

Current projects include FP&A software implementation with NetSuite, financial modelling for scenario planning, operational dashboards and self-serve reporting, risk management governance, scaling analytics infrastructure, and a semantic data layer evolution.

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