Staff / Lead Software Engineer – React / TypeScript / Next.js We are looking for a Staff / Lead Software Engineer with strong expertise in React, TypeScript, and Next.js to join a high-impact engineering team focused on customer-facing financial products and services. This role combines hands‑on development with technical leadership. You’ll help build scalable, high‑performance applications while mentoring engineers and driving engineering best practices across the team. Responsibilities Hands‑on Engineering (60%) Develop scalable and high‑quality web applications using React.js, TypeScript, Next.js, and Node.js Build and improve customer‑facing experiences and user flows Create integrations and data‑driven features to improve customer decision‑making experiences Contribute to architecture, feature development, and technical improvements across the platform Work across the full stack with technologies including: React.js, TypeScript, Next.js, Node.js, GraphQL, REST APIs, SQL, Context API Support migration and adoption initiatives around Next.js Drive projects end‑to‑end while collaborating closely with product and engineering teams Contribute to SDLC improvements and engineering best practices Technical Leadership (40%) Mentor and support engineers through code reviews, pair programming, and technical guidance Help elevate engineering standards and team performance Participate in architecture and technical design discussions Collaborate with Engineering Managers on roadmap planning, refinement sessions, and technical execution Advocate for pragmatic engineering solutions and scalable system design Bring strong technical opinions while maintaining a collaborative mindset Requirements Must‑Have Qualifications 8–10 years of professional software engineering experience 1–2+ years in a Staff Engineer, Tech Lead, or Team Lead role Strong expertise in: React, Advanced TypeScript, Next.js (preferably v13+), Node.js Experience mentoring engineers and promoting engineering best practices Strong English communication skills (B2+ / 90%+ written and spoken) Experience With Web performance optimization: Core Web Vitals Caching strategies Critical rendering path Static generation Observability tools such as DataDog or similar: Monitoring Error reporting Translating business requirements into scalable technical solutions Nice to Have GraphQL experience Knowledge of Astro.js Experience with SEO‑driven or high‑traffic websites Familiarity with analytics tools and complex data schemas CI/CD experience If you enjoy building high‑impact products, mentoring engineers, and working in a collaborative environment where ownership matters, we’d love to connect with you. #J-18808-Ljbffr