Senior Frontend Engineer
- We’re building a platform to cut through the chaos of modern payments. A full-stack platform built for any type of online business — combining a gateway, PSP, ISO, Fraud detection, CB prevention alerts, and acquiring capabilities.. No handoffs, no BS. Just one team that handles everything related to the Payments domain.
- It’s a bold build. Early-stage, real product, real volume, and the kind of architecture you won’t get to touch inside a big corporation.
- We’re now looking for a Frontend Engineer who wants to own the full UI/UX lifecycle and help shape the developer experience for a next-gen fintech product.
Remote Full-Time | Engineer
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job description
WHAT YOU’LL DO
- Designing and building modern, performant, and accessible UIs using TypeScript and React.
- Working closely with product, design, and backend teams to bring features to life.
- Owning SDKs and internal tools that make KatanaPay easy to integrate and scale.
- Writing tests (unit, integration, e2e) and CI workflows to ship safely and quickly.
- Improving performance, observability, and usability across frontend surfaces.
- Shaping frontend architecture and mentoring junior devs as we grow.
- Creating great documentation and self-service experiences for other teams.
- Bonus: Experience building in fintech or payments, or crafting tools for other developers.
WHAT WE EXPECT FROM YOU
- Strong understanding of frontend engineering from concept to production.
- Deep expertise in React + TypeScript, with modern patterns and tooling.
- Experience working with component libraries, design systems, and SDKs.
- Basic familiarity with cloud infra (e.g., AWS, API gateways, auth flows).
- Familiarity with cloud infrastructure, ideally AWS, and understanding of how frontend fits into distributed systems.
- Clear communicator — async-friendly, curious, and confident asking questions.
- Self-starter with a product mindset — you care about user impact, not just pixels.
Do you want to know some details about this position?
Anna will help!more details
HOW IT WORKS
- Communication with the recruiter.
- Test task.
- Technical interview with the project’s CTO.
- Final interview with the CEO and CTO of the project.
- Reference check.
- Offer!
Don’t meet every single requirement?
Apply anyway. We care more about how you think and build than ticking every box.
You might be exactly who we need — even if the title doesn’t fit perfectly.
WHAT WE OFFER:
- Opportunity to shape the future of payments technology from the ground up
- Collaborative startup culture focused on innovation
- 28 business days of paid off
- Flexible hours and the possibility to work remotely
- Medical insurance and mental health care
- Compensation for courses, trainings
- English classes and speaking clubs
- Internal library, educational events
- Outstanding corporate parties, teambuilding
WHAT WE OFFER:
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