Senior QA Engineer

Futureheads; London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A dynamic SaaS scale-up is seeking a Senior QA Engineer to enhance their quality assurance efforts. This role involves defining test criteria, designing test cases, and maintaining automated test suites. Candidates should have 4+ years in QA roles, hands-on experience with REST APIs, and proficiency in automation tools. The position offers a competitive salary of £45-65K, along with generous leave and health benefits, requiring on-site presence four days a week.

Benefits

25 days’ annual leave plus birthday leave

Comprehensive medical and dental insurance

5% pension contribution

Learning & development fund

Performance-related bonus

Qualifications

• 4+ years’ experience in QA, SDET, or Quality Engineering roles (ideally SaaS/product)
• Strong hands-on experience testing REST APIs and modern UIs
• Proficient with automation tools such as Playwright and Postman
• Confidence reading and writing code (preferably PHP or JavaScript)
• Comfortable querying databases with SQL

Responsibilities

• Define test criteria, design robust test cases, and build automated test suites
• Help define the automation strategy, test coverage, and regression prevention
• Investigate bugs, document defects clearly, and verify fixes
• Contribute to performance, security, and exploratory testing as needed
• Collaborate in discovery sessions and testability reviews

Skills

Experience in QA, SDET, or Quality Engineering roles

Testing REST APIs and modern UIs

Proficiency with automation tools (Playwright, Postman)

Reading and writing code (PHP or JavaScript)

Designing and executing structured test cases

SQL querying

Tools

Playwright

Postman

Laravel

Vue

MySQL

Flutter

Job description

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Futureheads have partnered with a SaaS scale up who are in a period of growth, they are now looking for a Senior QA Engineer.
As a Senior QA Engineer, you’ll be a hands-on technical contributor within a cross-functional team, working closely with engineers, product managers, and designers. You’ll define test criteria, design robust test cases, and build automated test suites for both web and mobile features. Your impact will be felt across the entire product lifecycle—from early discovery and risk identification to release readiness and regression prevention.

Key Responsibilities:

Shape and promote a culture of quality across engineering squads.

Help define the automation strategy, test coverage, and regression prevention approach.

Design and maintain automated test suites using Playwright, Postman, and other modern frameworks.

Collaborate in discovery sessions, testability reviews, and acceptance criteria definition.

Investigate bugs, document defects clearly, and verify fixes.

Pair with engineers to reproduce edge cases and validate changes.

Continuously improve the reliability and coverage of regression tests.

Contribute to performance, security, and exploratory testing as needed.

What the role entails:

Strategic Impact: Influence how quality is embedded from ideation to release.

Modern Tech Stack: Work with Laravel, Vue, MySQL, and Flutter.

Automation Focus: Go deep on automation and help evolve QA tooling and pipelines.

Cross-Functional Collaboration: Partner with product, design, and engineering to deliver reliable, testable, and trustworthy software.

Growth Environment: Be part of a fast-scaling business with a meaningful mission.

We’re Looking For:

4+ years’ experience in QA, SDET, or Quality Engineering roles (ideally SaaS/product).

Strong hands-on experience testing REST APIs and modern UIs.

Proficiency with automation tools (Playwright, Postman, or similar).

Confidence reading and writing code (preferably PHP or JavaScript).

Skilled in designing and executing structured test cases and exploratory sessions.

Comfortable querying databases with SQL.

Clear, constructive communicator who thrives in agile, cross-functional teams.

Bonus: Experience with mobile app testing (Flutter), security testing tools (OWASP ZAP), performance testing (Gatling), or test management platforms (Xray).

Bonus: Knowledge of housing, compliance, or safety-critical software domains.

Salary and office info:
4 days/week in the London Farringdon office (Mon–Thu), Fridays are meeting-free with early finish.£45-65K dependant upon experienceTime Off: 25 days’ annual leave plus birthday leave and statutory holidays.

Health & Wellbeing: Comprehensive medical and dental insurance, 5% pension contribution.

Career Development: Learning & development fund, performance-related bonus.*This role does not offer sponsorship and you must be based within a commutable location of the office as well as be willing to go in four days per week.

We encourage applicants from all backgrounds, so if there is anything we can do to make our recruitment processes better for you and to allow you to show your best self, let us know. We also understand that some people require extra time to complete assessments, require alternative application methods and can also benefit from having interview questions or a guide to the type of questions pre-interview. We are open to any suggestions or requests that you may have and are always looking for creative ways to assess talent. Our commitment to you is that you should always feel safe and secure when you’re working with us. Futureheads is a B Corp accredited digital recruitment agency based in London. We specialise in recruiting permanent, contract and freelance digital and tech professionals in creative, data, design, digital marketing, engineering, product, project and programme management, UX and service design jobs.