Role overview
Published via Mainder
We’re looking for a Senior Frontend Engineer with a strong front-end focus who can still contribute across the stack when needed. You care deeply about UI/UX, styling, and building polished interfaces, and you actively use Claude Code and modern LLMs to move faster and write better software.
You’ll work on financial and analytical software, along with business process tooling that supports onboarding and managing agents on our platform.
Build and deliver frontend-first features with strong usability and performance.
Develop modern UIs using Next.js and SvelteKit.
Apply solid CSS and styling practices (responsive design, layouts, design systems).
Collaborate with product and design to create intuitive user experiences.
Design and implement UIs for data-dense interfaces and complex workflows.
Work with async, event-driven flows (webhook-driven states, reconciliation screens, retries, eventual consistency).
Integrate frontend apps with APIs and backend services (Hono, Node.js, Python).
Contribute across the stack when needed.
Actively use Claude Code and modern LLMs to improve development speed and code quality.
Write clear specs to define UI behavior, APIs, and data flows.
Must Have
5+ years of experience with a frontend-first mindset.
Strong experience with React, Svelte, or Vue.
Solid expertise in CSS, styling, and responsive UI development.
Proficiency in TypeScript.
Experience building data-driven or analytical interfaces.
Experience designing UIs for complex, stateful, and event-driven systems.
Comfortable working with backend systems when needed.
Hands-on experience using Claude Code and modern LLMs in your workflow
Nice to Have
Experience with design systems.
Mobile experience (React Native / Expo).
Background in analytics or financial products.
Project's Tech Stack
Next.js, SvelteKit
Hono (APIs)
TypeScript, Python
Postgres, ClickHouse
Azure (event-driven architecture)
Access to e-Learning platforms.
Access to a virtual nutritionist
Amazing people-oriented organizational culture
Working from anywhere
Challenging projects using the latest technologies with clients from the US.
You’ll join a global digital innovation company that helps businesses reimagine, digitalize, and accelerate their transformation through cutting-edge technology.
The company designs and builds impactful digital products powered by AI/ML, IoT, Blockchain, and AR/VR, partnering with leading organizations across industries such as healthcare, finance, education, and technology.
With more than 1,300 professionals across North America, Latin America, the U.K., and South Asia, the teams combine deep technical expertise with a people-first culture built on collaboration, learning, and purpose.
Join us in creating real impact through innovation, technology, and collaboration.