About Kalder
We empower brands of all sizes to create Amex-like partner rewards programs that reward and monetize their top customers. Until now, only airlines, banks, and retailers had this power—we’re making it accessible to everyone.
The Role
Kalder is hiring a Senior Front-End Engineer to architect, design, and influence key engineering decisions for our rewards platform. You’ll own the front-end roadmap, define guardrails and best practices, and turn complex financial workflows into fast, elegant, and accessible experiences across web and mobile.
Day-to-day, you’ll:
Architect & Design: Define component libraries, set performance budgets, enforce testing standards.
Ship End-to-End: Collaborate with product + backend to design and launch features.
Mentor & Lead: Guide teammates, write docs and diagrams, and make architectural tradeoffs explicit.
Push Standards: Ensure accessibility, responsiveness, and consistency across the product.
What We Value
We care deeply about fundamentals, not just frameworks. You’re fluent in:
Semantic HTML, modern CSS, and Typescript mastery
State management, async data flows, security, and observability
React and Next.js, while being pragmatic about frameworks (Tailwind, RadixUI)
Building performant, elegant UIs that scale
What You Bring
6+ years of frontend development experience
Proven expertise with React + Next.js (mobile + web)
Strong foundation in component architecture and UI systems
Experience working on complex, data-heavy, high-performance apps
Startup-ready: you thrive in fast-moving, ambiguous environments
Bonus Points
Experience in fintech or rewards/loyalty products
Contributions to open-source libraries or developer tooling
A degree in Computer Science—or the equivalent hard-earned knowledge
Core Competencies
Manages Complexity – simplifies ambiguity into clear, actionable paths
Situational Adaptability – flexes approach and demeanor to context
Action-Oriented – brings urgency, energy, and ownership to challenges
🔥 This is a chance to shape Kalder’s front-end foundation and engineering culture while building the first rewards network of its kind.
Top Skills
What We Do
Kalder is the platform that lets every brand sell its rewards like airlines and Amex — through the world’s first Rewards Media Network™.
For decades, the most profitable loyalty programs didn’t just retain customers — they generated billions by selling rewards to advertisers. Kalder brings that model to every brand and fintech.
We power map-based, real-time rewards funded by 35,000+ advertisers, helping companies monetize engagement and drive incremental spend through verified purchase attribution.
With Kalder, anyone can:
Launch a branded, map-based rewards experience
Activate card-linked, affiliate, and offline offers
Monetize loyalty with partner-funded rewards
Build a loyalty program that earns revenue — not costs
Loyalty is no longer SaaS. It’s becoming adtech.
Kalder enables every company to build, sell, and scale rewards like the most profitable programs in the world.
