Software Development Engineer III - Web

Jumio
Summary
Join Jumio as a Software Development Engineer III - Web and lead the development of highly responsive, scalable, and user-friendly web applications. You will create exceptional front-end experiences using modern frameworks like React, Angular, or Svelte, optimizing performance, and maintaining seamless API integrations. This role is pivotal in shaping Jumio's Identity Verification products, driving user experience excellence, and setting a high standard for front-end engineering practices. You will adopt a T-shaped engineering approach, contributing across the development lifecycle, including UI/UX design discussions, performance optimization, and automated testing integration into CI/CD pipelines. Your collaboration across teams and seamless communication between front-end and back-end systems will be crucial. This role ensures a world-class user experience by building and maintaining robust front-end systems, enhancing usability, performance, and scalability of Jumioβs web applications.
Requirements
- Proven experience: 5+ years in front-end development with expertise in JavaScript/TypeScript, HTML5, and CSS3
- Hands-on experience with frameworks such as React, Angular, and Svelte
- Proficiency in UI testing frameworks like Playwright or similar tools
- Strong understanding of responsive and adaptive design principles
- Experience with version control systems like Git and CI/CD tools such as Jenkins or GitLab CI
- Familiarity with RESTful APIs and WebSocket integrations
Responsibilities
- Develop, test, and maintain responsive and user-friendly web interfaces using modern JavaScript frameworks such as React, Svelte, and Angular
- Collaborate with designers to translate UI/UX wireframes into high-quality, maintainable code
- Optimize web applications for performance, scalability, and cross-browser compatibility
- Build reusable components and front-end libraries to ensure consistency and future scalability
- Implement state management solutions to manage application workflows efficiently
- Integrate APIs and ensure smooth communication between the front-end and back-end systems
- Design, develop, and maintain automated UI test frameworks using tools like Playwright
- Perform functional, regression, performance, and end-to-end testing of web applications
- Create detailed, comprehensive, and well-structured test plans and test cases for front-end features
- Debug and troubleshoot UI-related issues to ensure application stability
- Develop and integrate automated tests into CI/CD pipelines for continuous testing
- Collaborate closely with team members to ensure adherence to front-end development best practices
Preferred Qualifications
- Familiarity with Large Language Models (LLMs) and AI-powered coding/testing tools (e.g., GitHub Copilot)
- Knowledge of Cucumber (BDD Framework) for behavior-driven development
- Exposure to performance testing tools for front-end applications
- Experience with design systems and component libraries (e.g., Material-UI, Ant Design)
- Familiarity with DevOps practices and containerization tools like Docker
- Basic understanding of back-end development for enhanced collaboration on API integrations
- Exposure to Java and Spring Framework is a plus