Senior Fullstack Engineer

About the Role

As a Senior Fullstack Engineer on our Web Experience team, you will play a critical role in evolving the frontend platform behind Kpler’s flagship applications: MarineTraffic and Kpler Terminal. Working within a senior crew alongside product managers and designers, you will unify our web applications on a shared monorepo and micro-frontend architecture while building platform-level microservices that power capabilities for around 20 feature teams. Your technical leadership and engineering standards will directly shape how millions of global users interact with real-time trade, energy, and maritime intelligence.

• Unify multi-platform user experience: Drive the migration of flagship applications onto Atlas, Kpler's component library and shared Tailwind-based design system built in Vue 3 and React.

• Build platform-level microservices: Design and scale Backend-for-Frontend (BFF) layers and microservices powering maps, search, user dashboards, and preferences across web and mobile platforms.

• Elevate developer experience: Empower ~20 feature teams by modernizing monorepo tooling, CI automation, migration pathways, and frontend architectural conventions.

• Pioneer AI-first engineering: Integrate advanced AI development tools like Cursor and Claude Code across the engineering lifecycle to optimize workflows and boost technical velocity.

• Champion architectural excellence: Architect resilient, decoupled systems leveraging hexagonal architecture, Domain-Driven Design (DDD), event-driven patterns, and micro-frontends.

• Mentor and elevate engineering craft: Guide crew members through technical documentation, code reviews, frontend chapter presentations, and biweekly developer sessions.

What you'll need (Must-haves)

• Senior fullstack engineering experience: Proven track record of architecting, building, and operating production web applications and microservices at scale.

• Core technical stack proficiency: Mastery of TypeScript across the stack, modern frontend frameworks (Vue 3, React), and backend services using Node.js.

• Platform & API architecture: Deep experience with REST/GraphQL APIs, microservices, Backend-for-Frontend (BFF) patterns, and data persistence (PostgreSQL, Elasticsearch, Kafka).

• Pragmatic delivery & platform mindset: Eagerness to balance high architectural quality with rapid, iterative product delivery that enables both end-users and developer teams.

• AI-assisted engineering approach: Active hands-on experience utilizing AI development tools (e.g., Cursor, Claude Code) to accelerate daily engineering workflows.

Nice-to-haves

• Specialized web technologies: Experience with Mapbox, GraphQL schema federation, Python, or Scala.

• Advanced architecture & tooling: Practical experience with monorepos, micro-frontends, hexagonal architecture, or Domain-Driven Design (DDD).

• Design system maintenance: Experience maintaining or contributing to shared component libraries and design systems utilized across multiple teams.