Senior Software Engineer, Box Apps

O projekcie: **Our compensation structure is the base salary and equity in the form of restricted stock units. WHY BOX NEEDS YOU Box Apps is redefining how enterprises build with content — delivering an intelligent no‑code builder that lets teams automate, orchestrate, and make smarter decisions faster. We’re investing in our Warsaw hub to scale this product globally. As a Senior Software Engineer, you’ll lead projects from concept to production, elevate engineering standards, and shape our technical direction for a rapidly growing product surface used by thousands of customers. Wymagania: WHO YOU ARE - 6+ years of professional experience building and scaling modern web applications. - Deep expertise in JavaScript/TypeScript, HTML/CSS, and at least one modern frontend framework (e.g., React); strong understanding of state management, accessibility, performance, and security basics. - Proven track record leading end‑to‑end projects and collaborating across functions to ship high‑impact features. - Strong system design skills for frontend architectures and API integration patterns. - Proficient with testing strategies and frameworks (Jest, Playwright/WebDriverIO) and CI/CD best practices. - Excellent communication: can align stakeholders, write clear design docs, and give/receive high‑quality feedback. - Growth mindset with high ownership, pragmatic decision‑making, and a focus on outcomes. - English proficiency required. Preferred: - Experience with Node.js; exposure to Java is a plus. - Familiarity with cloud platforms (GCP, AWS, or Azure) and modern observability tooling. - Experience with relational and document databases; comfort reading backend code when needed. - Prior experience in platform/low‑code/no‑code products or building SDKs/design systems. Codzienne zadania: - Lead design and delivery of complex, user‑facing features and platform capabilities across the Box Apps frontend. - Partner with product, design, and backend teams to define APIs, data contracts, and cohesive end‑to‑end experiences. - Drive technical specs, architectural reviews, and design docs that balance velocity, quality, and maintainability. - Champion reliability with comprehensive testing (unit/integration/e2e), performance profiling, and observability. - Mentor engineers through pairing, design reviews, and actionable feedback; help level up team practices. - Decompose ambiguous problems, create roadmaps, and deliver iteratively against quarterly goals. - Contribute to on‑call readiness, incident response, and post‑mortems; drive preventative improvements. - Influence frontend standards, tooling, and developer experience; contribute to a strong engineering culture in Warsaw.