Frontend Engineer - Fintech (Remote)

The Senior Frontend Engineer will play a pivotal role in driving the next phase of growth for a fast-growing payment orchestration company with over 4 years of successful transaction processing. This position is key to expanding the company's footprint in the USA and European markets by building high-performing user interfaces, optimizing frontend development strategies, and contributing to technical innovation. The ideal candidate will be a strategic thinker, a data-driven developer, and an expert in frontend technologies within the payments sector. We value professionals with strong Test-Driven Development (TDD) skills and the ability to mentor and collaborate effectively with other developers.

Macropay is a fintech leader in payment orchestration, providing businesses with seamless access to global payment solutions for over four years. Specializing in revenue optimization, we offer card processing and alternative payment methods enhanced by smart routing, fraud prevention, and an intuitive dashboard. Backed by a team of payment and fraud experts, our all-in-one platform is designed to maximize revenue, reduce costs, and improve the payment experience—all through a single API integration.

Key Responsibilities:

• Develop modern, high-converting user interfaces using best-in-class digital marketing techniques
• Build secure, high-performing components that comply with PCI DSS standards
• Optimize frontend performance for widgets embedded on diverse platforms and browsers
• Program the frontend layer of our sites with HTML5, CSS3, and JavaScript, ensuring cross-browser and cross-device compatibility
• Actively participate in the design and development of the payment system, addressing edge cases such as failures, retries, concurrency issues, and ensuring a consistent and seamless user experience
• Design and develop robust frontend solutions using React and TypeScript to deliver high-performing applications
• Conduct thorough cross-browser and cross-device testing to guarantee maximum performance and compatibility
• Collaborate with multidisciplinary teams (Product, Marketing, Design, QA, Operations) to deliver high-quality solutions aligned with business goals
• Perform regular code reviews to promote best practices, encourage knowledge sharing, and drive continuous improvement
• Write reusable, modular code and libraries to enhance scalability and maintainability

Requirements

You're our perfect candidate if you:

• Have 5+ years of experience in frontend development
• Bring proven experience in the payments, banking, or FinTech industry, with a solid understanding of industry-specific challenges and requirements
• Demonstrate strong proficiency in HTML5, CSS3, JavaScript (ES6+), and Git
• Possess advanced experience with React and TypeScript to build cutting-edge, high-performing applications
• Have a solid understanding of clean code principles, design patterns, and modern frontend best practices
• Are experienced in Test-Driven Development (TDD) practices to ensure robust and reliable code
• Have experience mentoring and coaching other developers, fostering a culture of growth and knowledge sharing
• Are familiar with CSS methodologies like OOCSS, BEM, or SMACSS
• Have hands-on experience with SASS/SCSS for modular, maintainable styling
• Are comfortable using package managers like Yarn or NPM
• Bring an entrepreneurial mindset with an analytical, proactive, and inquisitive approach
• Possess strong strategic thinking and an understanding of online businesses
• Demonstrate exceptional problem-solving skills, with a focus on scalability, performance, and security
• Have the ability to build high-quality, scalable, and secure modules
• Fluent in both spoken and written English
• Spanish is a plus!

Extra bonus if:

• Have experience with frontend performance optimization techniques (lazy loading, code splitting, bundling, etc.)
• Have experience with server-side rendering (SSR) frameworks, such as Next.js
• Have knowledge of frontend testing frameworks, such as Jest, React Testing Library, or Cypress
• Have worked with design systems or component libraries (Material-UI, Chakra UI, Tailwind CSS, etc.)
• Have familiarity with AWS, Terraform, and Jenkins for deployment and infrastructure automation
• Understand CI/CD pipelines for frontend applications
• Have knowledge of PCI DSS (Payment Card Industry Data Security Standard) compliance and best practices for securing payment systems

Benefits

• Competitive salary and comprehensive benefits package
• Opportunity to shape HR strategy for a global, innovative fintech company
• Professional development opportunities and resources
• A collaborative, inclusive, and dynamic work culture
• Full Remote Work

Join us in an environment where you're free to innovate, learn, and grow alongside passionate professionals. At Macropay, you'll tackle exciting challenges and be part of a vibrant team dedicated to delivering exceptional user experiences.

Equal Employment Opportunity Employer

Macropay is an Equal Employment Opportunity (EEO) Employer, which means we encourage applications from people with different backgrounds, interests, and personal circumstances. Our team welcomes applicants regardless of their race, gender, age, religion, nationality, sexual orientation, and/or disabilities. All we need is your high energy, skills, and willingness to be part of a great project!

The personal data you provide will be used to manage and process your candidacy for the corporate selection processes that fit your profile. If you wish you can exercise your rights of access, rectification or cancellation by sending a letter to Carrer de la Diputació 211, bajos, 08011, Barcelona (Spain), or emailing us at protecciondedatos@macropay.com_, including a document that validates your identity.

_ATTENTION: this e-mail address cannot be used for sending applications, it must only be used for the management of data protection rights.