Senior Frontend Engineer

Senior Frontend Engineer (Next.js + TypeScript) Salary: Based on experience + performance-based bonuses About Us At travSIM, we help travellers stay connected worldwide through a wide range of SIM and eSIM solutions. We’re expanding fast and are now looking for a skilled Senior Frontend Engineer (Next.js + TypeScript) to join our engineering team. You’ll be responsible for delivering a high‑performing e‑commerce website with Stripe integration, built on Next.js and deployed on Vercel. Read Before Applying You do not have proven, hands‑on experience with Next.js (App Router & RSC) in production You do not have strong, practical experience with TypeScript on the frontend (4+ years) You have not worked on frontend payment flows using Stripe in production You cannot demonstrate practical experience with Payload CMS (or a similar headless CMS) in real projects You have not built mobile-responsive user interfaces for production You are not comfortable working in a fast‑paced, collaborative environment What You’ll Be Doing You will take full ownership of the frontend delivery for a global e‑commerce platform, working closely with backend engineers and product teams to ensure seamless API and CMS integration. Core Responsibilities Develop, test and maintain a Next.js + TypeScript e‑commerce frontend (deployed on Vercel) Integrate Stripe payments (Payment Element, Checkout, Apple Pay, Google Pay, 3DS flows) Implement Payload CMS integration, including live previews, block‑based content, and revalidation triggers Ensure high performance and SEO (Core Web Vitals, structured data, i18n routing) Build responsive and accessible UI with Tailwind CSS, following WCAG 2.1 fundamentals Implement robust API integration and data caching (SWR / React Query) Handle forms and validation with React Hook Form + Zod/Yup Write and maintain unit, e2e and performance tests (Jest/RTL, Playwright, Lighthouse CI) Monitor and improve quality (Sentry, GA4, A/B testing, feature flags) Apply modern security and best practices (XSS/CSRF mitigation, secure headers, secrets management) Required Skills & Experience Strong hands‑on experience with Next.js (App Router & RSC) in production Proficiency in React + TypeScript with modern hooks and state management (4+ years) Experience integrating Stripe frontend payment flows in production Proven work with Payload CMS and content‑driven routing (or very similar headless CMS experience) Strong grounding in performance, SEO and accessibility fundamentals Experience writing and maintaining unit and e2e tests Solid understanding of frontend security practices Nice‑to‑Have (Bonus Skills) Experience deploying and managing apps on Vercel (environments, previews, edge functions) Familiarity with Prisma/Postgres concepts and Redis caching Experience with large‑scale i18n and localisation Exposure to growth and analytics tools (PostHog, GTM server‑side, affiliate tracking) Knowledge of customer tooling integrations (Crisp/Intercom) Why Join Us Build high‑performance web platforms with direct impact on global travellers Collaborate with an international team of engineers and product experts Opportunity to work on cutting‑edge frontend tech (Next.js + TypeScript), deployed on Vercel Competitive compensation, performance incentives and growth opportunities If you’re ready to deliver world‑class frontend experiences, we’d love to hear from you Seniority level Mid‑Senior level Employment type Full‑time Job function Engineering and Information Technology Industries Media and Telecommunications Referrals increase your chances of interviewing at SIM2Serve (Pty) Ltd by 2x #J-18808-Ljbffr