Lead Full - Stack Engineer

Responsibilities:

• Design and build features end-to-end across our React frontend and Java backend.
• Work closely with Product and Design to turn customer problems into simple, thoughtful product experiences.
• Build polished, performant user experiences for complex SaaS workflows.
• Design clean APIs, data models, and backend services that can scale as our customers and usage grow.
• Solve challenging product problems involving real-time collaboration, rich interactive experiences, workflow automation, large datasets, and highly configurable enterprise use cases.
• Make thoughtful architectural decisions across frontend, backend, database, caching, and asynchronous processing.
• Own the performance and reliability of what you build, from browser performance to API latency to database queries.
• Debug complex issues across the entire stack rather than stopping at service boundaries.
• Write maintainable, well-tested code and raise the quality bar through thoughtful code reviews.
• Identify technical debt and proactively improve architecture, developer experience, observability, and engineering productivity.
• Mentor engineers and help the team make better technical decisions.
• Take ownership of features in production and work with the team to diagnose and resolve issues quickly.
• Participate actively in engineering design discussions and influence how Rocketlane's technology evolves.

Requirements:

• React and modern JavaScript/TypeScript.
• SPA architecture and component design.
• HTML and CSS.
• State management and complex client-side application flows.
• Browser fundamentals such as caching, storage, networking, and rendering.
• Building reusable components and maintainable frontend architecture.
• Frontend performance profiling and optimization.
• Building responsive and high-quality product experiences.
• Experience with real-time applications, WebSockets, large data-heavy interfaces, rich editors, or spreadsheet-like experiences is a plus.
• You have strong fundamentals in Java and Spring or similar backend frameworks.
• HTTP and REST API design.
• PostgreSQL or other relational databases.
• Data modelling and query performance.
• Redis and caching.
• Asynchronous processing and message brokers.
• Designing scalable and resilient backend services.
• Performance optimization.
• Debugging and root-cause analysis.
• Logging, monitoring, and production troubleshooting.
• API and system design.
• Database transactions and concurrency.
• Caching strategies.
• Distributed systems fundamentals.
• Failure handling and resiliency.
• Performance and scalability.
• Security and authorization.
• Testing strategy.
• Production observability.
• Clean code and maintainable architecture.
• Experience building B2B SaaS products.
• Experience in a startup or high-growth product company.
• AWS experience.
• Docker/containerization experience.
• Experience with CI/CD pipelines.
• Experience building real-time collaborative applications.
• Experience with WebSockets.
• Experience working with high-volume APIs or large datasets.
• Experience with Playwright, Cypress, or similar automation frameworks.
• Experience designing enterprise-grade integrations.
• Exposure to AI-assisted product development or AI-powered product experiences.