Fresh Jobs at LemFi (Formerly Lemonade Finance)

The Role

• You will be a full-stack engineer with main focus on Frontend working on LemFi’s operational "brain", designing the internal software that automates our most critical financial processes. Your mission is to transform complex, high-volume back-office tasks like payments operations, fraud investigations, and regulatory reporting into streamlined, front-end functionality.
• You won’t just be building tools; you’ll create efficient internal interfaces that empower our operations teams to move faster and with greater precision. By embedding AI and agentic automation into every workflow, you’ll ensure that managing global money movement is as intelligent and effortless as the user experience it supports.

How You'll Contribute

• Build & Ship: Design and deliver high-quality, scalable web features using Vue.js, with a strong focus on efficiency, security, and maintainability.
• Own the Experience: Take end-to-end responsibility for features from technical design and implementation to testing, deployment, and production support.
• BFF Development: Implement and maintain backend-for-frontend logic in TypeScript, shaping APIs and data models that serve the needs of the web client efficiently and securely.
• Ensure Reliability: Uphold high engineering standards through automated testing, clean code practices, and proactive monitoring of frontend and BFF services.
• Drive Cross-Functional Impact: Collaborate closely with Product, Design, and Backend teams to deliver compliant, customer-centric financial experiences aligned with regulatory requirements.

Who You Are

• Impact-Driven: You focus on delivering meaningful user and business outcomes, not just shipping features.
• Technically Grounded: You have strong experience building business-oriented web applications and are comfortable working with TypeScript on the backend for BFF logic.
• High Ownership: You take responsibility for your work from concept through production and continuously look for ways to improve what you’ve built.
• Collaborative: You communicate clearly with Product, Design, and Engineering, valuing shared success over individual credit.
• Curious: You actively seek feedback and stay up to date with modern frontend patterns, AI tooling, and best practices.

What You'll Bring

• Experience building production web apps with Vue.js & Nuxt.js
• Strong TypeScript skills, including BFF development
• Proficient in JavaScript, HTML, CSS, SASS
• Experience working with and shaping REST APIs
• Solid understanding of modern frontend architecture, state management & performance optimisation
• Familiar with Git, testing frameworks (Jest/Mocha), build tools & CI/CD
• Working knowledge of cloud environments & Docker
• Hands-on experience using LLMs for coding and daily workflows

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The Role

• We are looking for a Senior QA Engineer to ensure the quality and reliability of our cross-border payment solutions. You will work closely with development teams to test both our mobile applications (iOS/Android) and backend APIs through a mix of manual and automated testing.
• This is a hands-on role with significant technical breadth. You will improve automated coverage, validate new features, and help maintain confidence in releases across a complex financial ecosystem with deep integrations and high demands for performance and accuracy.

Responsibilities
How You’ll Contribute:

• Develop Automated Tests: Design, implement, and maintain automated tests for backend APIs, mobile apps, and integrations.
• Build Maintainable Frameworks: Create modular test components within our Java/Cucumber/Rest Assured/Appium/Guice stack.
• Partner with Engineering: Collaborate with developers and product teams to ensure clear acceptance criteria and testability.
• Validate Complex Integrations: Work with mock services, partner APIs, and distributed systems to verify behaviour and data flows.
• Improve Pipelines: Participate in code reviews, CI/CD enhancements, and continuous test execution.
• Use AI Tools: Leverage GPT/Gemini APIs for automation workflows, data generation, and test analysis.
• Evolve QA Practices: Contribute ideas to elevate QA infrastructure and strengthen automation as an engineering discipline.

Who You Are:

• Quality-Driven: You care deeply about building reliable systems and ensuring confidence in releases.
• Technically Curious: You enjoy understanding systems end-to-end and solving challenging engineering problems.
• Collaborative: You work effectively with developers, product managers, and cross-functional partners.
• Structured & Detail-Oriented: You think clearly, document well, and test thoroughly.
• Proactive: You take ownership and continuously look for ways to improve quality and automation.

Requirements
What You’ll Bring:

• Experience with CI/CD pipelines such as GitHub Actions and test reporting tools like Allure.
• Strong background in QA with a focus on automation, ideally using Java.
• Solid understanding of REST APIs, backend testing, and mobile testing (Appium experience is a plus).
• Knowledge of OOP, dependency injection (e.g., Guice or Spring), and test design patterns.
• Ability to troubleshoot complex systems and approach testing with an engineering mindset.
• Strong communication skills in English, both written and spoken.