R

Resillion Tech Stack

Quality engineering and cyber security services across North America, Europe, and Asia

IT Services and IT Consulting London 501–1,000 employees Privately Held

Resillion is a 700+ person testing and security services firm headquartered in London, operating across North America, Europe, and Asia. The engineering and security hiring mix (30 engineers, 17 security specialists) reflects a company scaling both testing automation and cybersecurity delivery. Active adoption of Selenium, Playwright, Cypress, and Robot Framework alongside internal test automation tooling suggests Resillion is building proprietary frameworks to differentiate commodity testing work—a signal of margin-protecting automation-led service scaling.

Tech Stack 109 technologies

Core StackC++ Java Elasticsearch MySQL SQL Server JavaScript Python TypeScript Selenium Power Automate Salesforce Pardot Playwright Confluence FileMaker Excel Dolby Atmos .NET Framework NET Core Lua npm pip Appium Azure SharePoint CI/CD LinkedIn Sales Navigator Google Sheets Gherkin Cucumber+78 more

AdoptingSelenium Playwright Cypress WebdriverIO Robot Framework

ReplacingGoogle Workspace

What Resillion Is Building

◆Challenges

Scaling quality engineering practices
Recruiting cybersecurity professionals
High volume security assessments
Security compliance
Tenant-to-tenant migrations
Security technology procurement
Complex security projects
Quality across large-scale systems
Transformation of monolithic application to microservices
Improving test automation efficiency

▲Active Projects

Transformation of monolithic application to microservices
It health check and penetration testing engagements
Testwizard robot
Test automation tooling deployment
Automation of administrative tasks
Designing scalable cybersecurity solutions
Annual testing schedule
Tenant-to-tenant migrations
Large data / platform migration
Merger and acquisition integration

Hiring Activity

Accelerating80 roles · 35 in 30d

Department

Engineering

30

Security

17

Sales

16

Ops

9

Data

2

Finance

1

HR

1

Manufacturing

1

Seniority

Senior

34

Mid

21

Junior

8

Manager

7

Lead

6

Intern

2

Company intelligence

Find more companies like Resillion by tech stack, pain points and active projects

Get started free

About Resillion

Resillion provides end-to-end quality engineering, testing, and cyber security services to enterprise customers across broadcast, streaming, and digital product sectors. The company covers quality assurance, media content testing, cyber security assessments, and data protection, with specializations in broadcast standards (DVB, HbbTV, CI+, Dolby, Freeview). Operationally, Resillion holds NCSC Assured Service Provider status, CREST STAR and CREST SOC certifications, and runs an ISO17025 certified Digital Forensics and Cyber Incident Response lab. Current work includes penetration testing engagements, high-volume security assessments, test automation deployment, and large-scale platform migrations—typical of a hybrid services+software delivery model.

HeadquartersLondon

Company Size501–1,000 employees

Hiring MarketsUnited States, India, Belgium, Netherlands, United Kingdom

Frequently Asked Questions

What testing automation tools does Resillion use?

Resillion uses Selenium, Appium, Playwright, and Cucumber for test automation. The company is actively adopting WebdriverIO, Cypress, and Robot Framework—suggesting investment in next-generation automation frameworks beyond legacy Selenium.

What cyber security certifications does Resillion hold?

Resillion holds NCSC Assured Service Provider status, CREST STAR, and CREST SOC certifications. The company also operates an ISO17025 certified Digital Forensics and Cyber Incident Response lab.