Senior Software Engineer (Fullstack/Front-end Focus)

BlackCloak is a fast-growing company dedicated to protecting corporate executives and high-profile individuals from digital threats. They are seeking a product-minded Full Stack Engineer to build high-quality interfaces and manage customer-facing capabilities end-to-end, utilizing technologies like React and TypeScript.

Responsibilities:

• Own member-facing features end-to-end
• Design and implement polished mobile experiences in React Native
• Translate security workflows into clear, trustworthy user interactions
• Ship features from UI through API and supporting services
• Build a modern full-stack product
• Develop TypeScript services and APIs (Node.js)
• Integrate with cloud systems, security services, and data pipelines
• Work with PostgreSQL, document stores, and event-driven workflows
• Elevate frontend engineering
• Treat the UI as a reliability-sensitive system (offline behavior, state synchronization, error handling)
• Implement observability and performance monitoring for the client experience
• Improve usability, responsiveness, and accessibility across devices
• Operate and improve the system
• Debug production issues using logs, telemetry, and user behavior
• Participate in architecture discussions and technical design reviews
• Contribute to code reviews and engineering standards
• Work closely with Product, Design, and Security Operations
• Engineer in an AI-native development environment
• Use AI tools to accelerate implementation while maintaining production quality standards
• Create and validate tests (unit, integration, and behavioral) using AI-assisted workflows
• Document systems and architecture using AI-assisted documentation generation
• Help the team establish best practices for safe and effective use of AI in software development

Requirements:

• 5+ years of professional software engineering experience
• Expert-level React or React Native skills with a deep understanding of frontend systems architecture
• Strong JavaScript/TypeScript fundamentals (async behavior, state management, performance)
• Experience building or extending APIs (Node.js or similar)
• Experience shipping production features end-to-end
• Comfortable working across UI, services, and data models
• Familiarity with REST/JSON APIs and distributed systems behavior
• Experience with relational databases (PostgreSQL or similar)
• Proven ability to switch gears between complex UI logic and backend API/Database design
• Using AI coding assistants (e.g., Cursor, Copilot, Claude Code, ChatGPT, etc.) as part of daily development
• Prompting AI to design solutions, not just autocomplete syntax
• Using AI for test generation, refactoring, and documentation
• Cares about usability and clarity, not just technical correctness
• Able to work with designers and product managers to refine solutions
• Comfortable making tradeoffs to ship and iterate