Tes Tech Stack

Global education platform connecting teachers, schools, and recruitment

Education Management Sheffield, England 501–1,000 employees Founded 1910 Privately Held

Tes operates a multi-sided education marketplace spanning teacher recruitment, professional development, and lesson-resource sharing, with 2M+ monthly visits from educators worldwide. The tech stack (React, Java, C#, Kubernetes, AWS/Azure/GCP, Salesforce, HubSpot) reflects a SaaS-heavy architecture. Active hiring velocity skews sales and leadership-focused (4 sales roles, 6 manager/lead positions across 11 open reqs), while projects center on HubSpot consolidation and acquisition integration—suggesting the company is scaling revenue operations and post-M&A platform rationalization after replacing legacy marketing automation (Dotdigital).

Tech Stack 12 technologies

Core StackReact Java C# Docker Kubernetes Salesforce HubSpot AWS Azure GCP OpenAPI

ReplacingDotdigital

What Tes Is Building

◆Challenges

Expanding presence in secondary school sector
Administrative burdens overwhelm schools
Optimizing martech ecosystem
Website infrastructure needs
Integrating acquisitions into marketing systems
Migrating legacy marketing automation
Consolidating audiences
Churn reduction
Adoption growth
Retaining high-value customers

▲Active Projects

Enterprise-grade saas services
Website migrations
Re-platforming projects
Integration of newly acquired companies
Developing hubspot platform
Migrating audiences to hubspot
Playbook development
Scalable success processes
Apac architecture
Global reference architectures

Hiring Activity

Accelerating10 roles · 5 in 30d

Department

Sales

Engineering

Marketing

Support

Ops

Seniority

Manager

Senior

Lead

Mid

Notable leadership hires: Sales Lead, Tech Lead

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About Tes

Tes is a UK-based education company founded in 1910, operating a global platform that serves teachers and schools across recruitment, training, resources, and career development. The core business includes a teacher jobs marketplace, CPD and qualification offerings, a lesson-planning and resource-sharing community, and recruitment/retention software for schools. The product portfolio spans specialist recruitment, staff training systems, classroom management tools, and digital publishing (Tes Magazine). With 501–1,000 employees and operations in the UK and Australia, Tes targets both individual educators and institutional school buyers across multiple geographies.

HeadquartersSheffield, England

Company Size501–1,000 employees

Founded1910

Hiring MarketsUnited Kingdom, Australia

Frequently Asked Questions

What tech stack does Tes use?

Tes builds on React (frontend), Java and C# (backend), Docker and Kubernetes (infrastructure), AWS, Azure, and GCP (cloud), with Salesforce and HubSpot for operations. The company is migrating marketing audiences to HubSpot and deprecating Dotdigital.

What is Tes working on?

Active initiatives include HubSpot platform development and audience migration, website migrations and infrastructure upgrades, integration of newly acquired companies into marketing systems, and development of scalable success processes and global reference architectures for APAC expansion.