Relay Technologies Tech Stack

Last-mile logistics platform optimizing delivery costs for e-commerce retailers

Consumer Services London 51–200 employees Founded 2022 Privately Held

Relay operates a delivery infrastructure platform targeting e-commerce friction—specifically, the cost-per-parcel economics that constrain what retailers can profitably sell online. The tech stack reveals a data-forward organization: Python + Rust + TypeScript for core services, GCP + BigQuery + dbt for analytics, and Dagster + Airflow for orchestration. Hiring velocity is accelerating across data (12 open roles) and ops (10), with active projects around forecasting engines, unit economics modeling, and dynamic pricing—indicating Relay is actively building toward margin improvement and network optimization rather than just volume growth.

Tech Stack 22 technologies

Core StackPython Rust TypeScript Flutter BigQuery dbt C++ PostgreSQL Tableau Looker Dagster Apache Airflow Deel Ashby Slack Vanta GCP Cloud Run Cube.js Julia Google Slides Notion

What Relay Technologies Is Building

◆Challenges

High delivery costs
Cost per parcel
Hidden tax on e-commerce
Missed deadlines
Logistics inefficiencies
Data integration for network efficiency
Client growth and retention
Accelerating time to productivity
Surge premiums
Scaling commercial operations

▲Active Projects

Forecasting engine
New hire onboarding program
Joint kpi delivery for profitable client growth
Deeper data integration with key clients
Process and product launch rollouts
Client-specific dashboards for real-time metrics
Geographic expansion analytics
Build network simulation models
Upgrade unit economics models
Develop dynamic pricing models

Hiring Activity

Accelerating35 roles · 35 in 30d

Department

Data

Ops

Engineering

Sales

Logistics

Executive

Finance

Seniority

Senior

Manager

Mid

Lead

Junior

Staff

Notable leadership hires: Chief of Staff, Business Operations Lead

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About Relay Technologies

Relay is a UK-based logistics platform founded in 2022, backed by a €35M Series A led by Plural (a deep-tech investor syndicate). The company serves retailers of all sizes, focusing on reducing delivery costs as a barrier to online commerce participation. Operations span forecasting, network simulation, client-specific dashboards, and geographic expansion—all fed by deep data integration with key customers. With 51–200 employees based primarily in London and Bulgaria, Relay is structured around a data and operations core, supported by smaller engineering, sales, and logistics teams.

HeadquartersLondon

Company Size51–200 employees

Founded2022

Hiring MarketsUnited Kingdom, Bulgaria

Frequently Asked Questions

What tech stack does Relay Technologies use?

Backend: Python, Rust, TypeScript. Infrastructure: GCP, Cloud Run, PostgreSQL. Analytics: BigQuery, dbt, Cube.js, Dagster, Apache Airflow, Tableau, Looker. Tools: Deel, Ashby, Vanta, Slack, Notion.

What is Relay Technologies working on?

Active projects include forecasting engines, dynamic pricing models, unit economics upgrades, network simulation, client-specific dashboards, geographic expansion analytics, and deeper data integration for client growth and retention.

How this profile is built

Relay Technologies's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.