Senior Frontend Engineer

About Benji Benji is building the infrastructure layer for loyalty and brand connectivity. We enable companies to integrate, launch, and scale loyalty experiences across partners through a single platform—turning fragmented ecosystems into programmable networks. We work with leading enterprise brands and move fast to bring new partnerships and integrations to life. The role We’re looking for a Senior Frontend Engineer to own and evolve the developer-facing experience of Benji . This role sits at the intersection of: Frontend engineering Developer experience SDK design AI-powered tooling You will: Build and maintain our frontend SDKs and developer interfaces Shape how developers integrate with Benji visually and programmatically Drive AI-native development workflows across our frontend and developer tooling This is not a traditional frontend role—you’ll be building products for developers , not just end users. What You’ll Do 1. Build Developer-Facing SDKs & UI Components Design and maintain JavaScript/TypeScript SDKs used by partners integrating Benji Build reusable UI components and integration patterns for loyalty experiences Ensure SDKs are intuitive, well-documented, and easy to adopt Own versioning, backward compatibility, and developer ergonomics 2. Build Developer-Facing SDKs & UI Components Build and scale applications using Vue 3 + TypeScript Define frontend architecture, state management, and performance patterns Collaborate closely with backend and product teams on API design and integration flows Optimize for reliability, performance, and maintainability 3. Shape the Developer Experience Build and improve developer portal interfaces, integration flows + onboarding UX, and interactive documentation + examples Create tools that make it easier for developers to understand, test, and implement integrations 4. Build Developer-Facing SDKs & UI Components Integrate AI deeply into the frontend development lifecycle: AI-assisted SDK usage and integration flows Developer copilots embedded in the UI Smart debugging and error resolution experiences Build and leverage LLM-powered tools, agents, and MCPs to enhance developer productivity Use AI to generate UI scaffolding, integration examples, and dynamic documentation Who you are 5+ years of experience as a frontend or full-stack engineer Strong expertise in Vue 3 and TypeScript Experience building developer-facing products, SDKs, or frontend platforms Deep understanding of API integration patterns (REST, auth, webhooks) Strong product instincts—you care about usability and developer experience Required AI experience Hands‑on experience working with LLMs and AI developer tooling Experience building or integrating: AI-powered developer workflows or copilots Agents, MCPs, or similar tooling layers Familiarity with prompt design, tool usage, and embedding AI into real product experiences Strong interest in using AI to improve frontend development and developer velocity Nice to have Experience building cross‑platform or mobile‑friendly experiences Backend experience (Python preferred) Experience designing or maintaining SDKs used by external developers Familiarity with API platforms (Stripe, Plaid, Twilio, etc.) Experience with design systems or component libraries What makes this role unique You’ll define how developers interact with Benji on the frontend You’ll build SDKs and tools used by real enterprise partners You’ll operate at the intersection of frontend, developer experience, and AI You’ll help pioneer AI-native frontend development workflows . Compensation & benefits Competitive salary + equity Health, dental, vision Flexible work environment Why Benji We’re building something ambitious: the infrastructure layer for loyalty ecosystems. If you enjoy building elegant frontend systems, crafting exceptional developer experiences, and pushing the boundaries of AI-driven development—this role is for you. #J-18808-Ljbffr Benji