Senior Test Engineer in London

Energy Jobline ZR; City Of London; On-site; GBP 70,000 - 80,000; Full time

Job summary

A leading financial services organization in London is seeking a Senior Test Engineer to join their dynamic Trading Technology team. This role involves ensuring the quality, reliability, and performance of a trade execution and risk management platform. Candidates should have proven experience in test automation, strong knowledge of API testing, and proficiency in JavaScript. The position offers a salary between £70,000 to £80,000 plus benefits.

Benefits

Discretionary bonus

Full corporate benefits

Qualifications

• Proven experience in test automation using Cypress or Playwright.
• Strong knowledge of API testing (REST, WebSocket).
• Proficiency in JavaScript/TypeScript.
• Experience integrating tests within CI/CD pipelines.
• Manual and exploratory testing experience.
• Background in Agile/Scrum delivery environments.
• Previous experience in financial services, fintech, or trading systems.

Responsibilities

• Design, develop, and maintain automated end-to-end tests.
• Create and maintain API test suites to ensure backend reliability.
• Integrate automated tests into CI/CD pipelines.
• Collaborate with development and product teams.
• Conduct manual and exploratory testing.
• Identify gaps in existing QA processes.
• Champion quality and testing excellence.

Skills

Test automation using Cypress

API testing (REST, WebSocket)

JavaScript/TypeScript

CI/CD pipelines integration

Manual testing

Agile/Scrum

Experience in financial services

Tools

Cypress

Playwright

Azure DevOps

SQL

Docker

GitHub Actions

Jenkins

Job description

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job Description

Senior Test Engineer - Trading Technology

Overview

A leading financial services organisation is seeking a talented Senior Test Engineer to join their dynamic Trading Technology team. The firm operates globally, offering real-time trading and risk management platforms that underpin complex, high-performance trading activities across multiple markets. This is an exciting opportunity for a hands‑on Senior Test Engineer to ensure the quality, reliability, and performance of two core platforms: a trade execution system and a risk management platform.

Role and Responsibilities

• Design, develop, and maintain automated end-to-end tests using Cypress and Playwright.
• Create and maintain API test suites (REST & WebSocket) to ensure backend reliability and performance.
• Integrate automated tests into CI/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments.
• Collaborate closely with development and product teams to define test strategies and coverage.
• Conduct manual and exploratory testing where automation is not yet implemented.
• Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality.
• Champion a culture of quality and testing excellence across the team.

Essential Skills and Experience

• Proven experience in test automation using Cypress or Playwright.
• Strong knowledge of API testing (REST, WebSocket).
• Proficiency in JavaScript/TypeScript.
• Experience integrating tests within CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins).
• Manual and exploratory testing experience.
• Background in Agile/Scrum delivery environments.
• Previous experience in financial services, fintech, or trading systems.

Desirable Skills

• Working knowledge of SQL, Docker, or cloud platforms (Azure).
• Familiarity with performance and security testing.
• Experience leading or shaping test automation strategies.

Package

• £70,000 - £80,000
• Discretionary bonus
• Full corporate benefits
• On-site (5x week in London)

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.