Lead Quality Engineer Flutter, API - Insurance - Hybrid

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

Job summary

An established industry player is seeking a Lead Quality Engineer to enhance their mobile lab's quality assurance efforts. This role involves driving the QE strategy, collaborating with product managers and developers, and leading the testing of Flutter mobile apps and Java APIs. You will define automation frameworks and ensure robust validation of third-party integrations. This hybrid position requires presence in the office three days a week, offering a competitive day rate and the opportunity to mentor a high-performing team in a dynamic environment. If you are passionate about quality engineering and eager to make an impact, this role is for you.

Qualifications

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

Responsibilities

• Drive the overall QE strategy for the mobile lab.
• Lead test planning and execution for Flutter apps and Java APIs.
• Establish quality metrics and foster a quality-first mindset.

Skills

Quality Engineering

Flutter

Java APIs

REST API automation

Mobile automation frameworks

CI/CD

JIRA

TestRail

Jenkins

Git

Tools

Postman

RestAssured

Appium

Flutter Driver

Job description

Job Description

Lead Quality Engineer (Flutter, API) - Insurance - Hybrid - London 3 days a weekDay rate: £600 - £750 (inside IR35) Duration: 6 months Start: ASAP

My new client is looking for a Lead Quality 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)

• Rates depend on experience and client requirements