Hybrid Senior Frontend Engineer – Payments

at Pepperstone

• Job title: Senior Frontend Engineer – Payments
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: JavaScript, Jest, React, TypeScript
• Location requirements: Hybrid, Budapest, Hungary

About the role

• Senior Frontend Engineer developing scalable applications using React for a global fintech company. Collaborating with cross-functional teams and impacting frontend user experiences.

Responsibilities

• Design, build, test, and maintain scalable frontend applications using React and modern JavaScript/TypeScript.
• Lead frontend architecture decisions, ensuring code quality, performance optimisation, scalability, and maintainability.
• Establish and promote frontend engineering standards, including component design, state management, testing strategies, and accessibility best practices.
• Develop and champion robust Continuous Delivery practices, including CI pipelines, automated testing, and feature flagging.
• Collaborate closely with Product, Design, and Backend teams to translate requirements and prototypes into high-quality user experiences.
• Own and evolve shared UI component libraries and design systems to ensure consistency across applications.
• Conduct code reviews, pair programming, and provide mentorship to junior and mid-level engineers.
• Identify and proactively address technical debt, performance bottlenecks, and UX friction points.
• Contribute to improvements in the software development lifecycle, including documentation, standards, and team ceremonies.
• Participate in and help facilitate technical discussions, architecture reviews, retrospectives, and engineering forums.
• Provide technical guidance and support across teams on frontend best practices and modern web technologies.
• Partner with Engineering Leadership to define and execute a roadmap for frontend capability uplift over time.

Requirements

• 5+ years of professional software engineering experience, with strong expertise in frontend development using React.
• Deep knowledge of modern JavaScript (ES6+), TypeScript, HTML5, and CSS3, including responsive and adaptive design principles.
• Experience in building components with Storybook
• Strong experience with React ecosystem tools such as React Hooks, Context API, state management libraries, and routing solutions.
• Experience building and maintaining scalable component libraries or design systems.
• Solid understanding of frontend performance optimisation techniques (code splitting, lazy loading, caching strategies, Core Web Vitals).
• Experience with frontend testing frameworks (e.g., Jest, React Testing Library Playwright) and test automation practices.
• Familiarity with CI/CD pipelines and Continuous Delivery practices in a modern DevOps environment.
• Experience integrating with RESTful APIs.
• Strong understanding of web security fundamentals (e.g., XSS, CSRF, authentication flows, secure storage).
• Proven ability to lead technical initiatives, influence architectural decisions, and mentor other engineers.
• Excellent written and verbal communication skills, with the ability to collaborate effectively across technical and non-technical stakeholders.
• Product-oriented mindset with a strong focus on user experience, quality, and business impact.
• Comfortable working in distributed, cross-functional teams with asynchronous collaboration.
• Committed to continuous learning and staying current with evolving frontend technologies and best practices.
• Demonstrated ownership, accountability, and a bias toward action in fast-paced environments.

Benefits

• Competitive salary structure including company bonus scheme
• Genuinely collaborative and friendly culture
• Flexible and hybrid working
• Remote working option - work from anywhere for up to 6 weeks per year
• Ongoing personal development & learning opportunities
• 3 paid volunteering days per year & Workplace Giving Program
• Periodic recognition and reward programs for outstanding performance and achievements
• Frequent events and celebrations
• Comprehensive medical insurance with coverage for your healthcare needs
• Pension fund
• Employee Assistance Program & Wellbeing Initiatives
• Convenient and cozy office located near Astoria at KLUSTER Coworking