What we're looking for

We are seeking a talented, endlessly curious individual to join our team. You'll be working closely with our group of companies in the fintech sector as part of the Engineering department. This company is a leading B2B fintech platform in its field, processing over US$2B across multiple currencies annually. We're looking for individuals who are driven to create meaningful value, take full ownership of what they build, and thrive in a fast-paced, high-growth environment. If you're motivated by impactful work and eager to be part of an innovative team, we'd love to hear from you.

What You'll Do

Design, build, and maintain modern frontend applications using Next.js, React, and Tailwind CSS
Build and maintain component libraries and design systems, ensuring consistency, accessibility, and reusability
Collaborate with backend engineers to design clean, efficient API contracts
Ensure high standards of code quality through thorough testing, code reviews, and documentation
Investigate and resolve frontend production issues, including layout bugs, interaction quirks, and degraded performance
Mentor junior engineers and help improve team practices in frontend architecture, testing, and performance tuning
Collaborate closely with product managers and designers to shape and deliver seamless user experiences

What you should have

5+ years of experience in frontend development, with at least 2+ years in React and Next.js
Knowledge of both server-side and client side rendering especially in relation of Next.js
Deep understanding of the modern web platform: rendering models, hydration, performance budgets, accessibility
Strong UI/UX sensibility — able to translate Figma designs into pixel-perfect, responsive, accessible UIs
Experience building or maintaining a design system or component library
Comfortable with SSR, dynamic routing, caching strategies, and web performance optimization
Familiarity with common frontend testing strategies (E2E, unit, integration)
Ability to work autonomously and collaborate cross-functionally with design, backend, and product teams
Strong communication skills — able to explain trade-offs clearly and mentor others effectively

Bonus Points

Prior experience working in fintech or payments
Familiarity with building design systems or working with internal design systems
Experience building and debugging authentication/authorization flows, especially in multi-tenant systems
Experience writing technical/architecture document like RFC/ADR

About Us

Xenith is a B2B payment service provider focused on enabling seamless cross-border commerce. With an MSB license in Canada and PJP III license in Indonesia, we offer global merchants a one-stop solution to manage multi-currency payments - with a strong focus on alternative payment methods in emerging markets. Our deep regional expertise and strong partnerships with top local gateways, we simplify the complexity of fragmented payment landscapes, helping global merchants expand faster and more efficiently. At Xenith, we believe in building a culture where people feel empowered, trusted, and challenged to do their best work. Join us as we build the financial infrastructure of tomorrow!

Senior Software Engineer, Frontend