Technical Lead Test Engineer - Contract

ZipRecruiter; London; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

An innovative firm is seeking a Technical Lead Test Engineer to spearhead quality engineering efforts for mobile applications and APIs. This role involves leading a team, driving the QE strategy, and ensuring seamless integration of third-party services. The ideal candidate will possess extensive experience in mobile testing, particularly with Flutter, and a strong background in Java-based APIs. This is a fantastic opportunity to make a significant impact in a dynamic environment while fostering a culture of quality within the team. Join a forward-thinking organization that values continuous improvement and innovation in testing practices.

Qualifications

• 7+ years in Quality Engineering, with 2+ years in a lead role.
• Strong experience in mobile app testing, ideally Flutter.
• Proven experience with REST API automation tools.

Responsibilities

• Drive overall QE strategy for mobile lab and lead test planning.
• Collaborate with teams to ensure quality across all touchpoints.
• Mentor a high-performing team of QE engineers.

Skills

Quality Engineering

Mobile Testing (Flutter)

Java API Testing

REST API Automation

CI/CD Integration

Team Leadership

Tools

Postman

RestAssured

Appium

JIRA

TestRail

Jenkins

Git

Job description

Job Description

Technical lead Test Engineer (Mobile, API) – Insurance - Hybrid – London 3 days a week

Day rate: £600 - £700 (inside IR35)

Duration: 6 months

Start: ASAP

My new client is looking for a Technical Lead Test Engineer to join the team on a contract basis. You will need to be in the office 3 days per week.

Key Responsibilities:

• Own and drive the overall QE strategy for the mobile lab.

• Collaborate closely with product managers, developers, and third-party providers to ensure quality across all touchpoints.

• Lead test planning, estimation, and execution across Flutter mobile apps and Java APIs.

• Define, implement, and evolve automation frameworks for mobile (Flutter) and backend (API) testing.

• Ensure seamless integration and robust validation of third-party APIs and SDKs.

• Establish and monitor quality metrics, defect leakage trends, and automation coverage.

• Foster a quality-first mindset within the team and across the development lifecycle.

• Mentor and grow a high-performing team of QE engineers.

• Drive continuous improvement in QE tools, processes, and best practices.

Must-Have Skills:

• 7+ years of experience in Quality Engineering, with at least 2 years in a lead role.

• Strong experience testing mobile apps – ideally Flutter or cross-platform frameworks.

• Solid understanding of Java-based APIs and backend testing.

• Proven experience with REST API automation tools (e.g., Postman, RestAssured).

• Experience with mobile automation frameworks (e.g., Appium, Flutter Driver, or integration with CI/CD).

• Working knowledge of tools like JIRA, TestRail, Jenkins, Git, etc.

• Deep understanding of modern testing practices including shift-left, CI/CD, mocking, and contract testing.

• Familiarity with testing third-party integrations via APIs and SDKs.

Nice-to-Have:

• Experience in performance and security testing for mobile apps and APIs.

• Exposure to cloud-based device farms (e.g., BrowserStack, Sauce Labs).

• Prior experience working in a regulated industry like banking or insurance.

• Knowledge of monitoring tools for crash reporting and user analytics (e.g., Firebase, Sentry)