Senior Software Engineer – Full Stack

Job Description

Responsibilities

• Design and implement complex full-stack features across our Next.js frontend and Node.js/Express.js backend
• Architect and build scalable, maintainable RESTful APIs and backend services
• Own quality end-to-end – write comprehensive unit, integration, and end-to-end tests and set the standard
• Use AI coding tools (Claude, GitHub Copilot, Cursor, or similar) as a core part of your engineering workflow. 
• Drive technical decisions and contribute meaningfully to architecture discussions with pragmatic, well-reasoned proposals
• Collaborate closely with product and design to deliver complex features with precision and polish
• Participate in code reviews and raise the bar for quality, security, and maintainability across the codebase
• Build software that runs in and interacts with services on AWS using ECS, Lambda, S3, API Gateway, and related services
• Proactively identify systemic issues – performance bottlenecks, architectural weaknesses, technical debt – and drive resolution

Requirements

• Experience: 6+ years of professional software development with a track record of delivering complex features independently in production SaaS environments
• Frontend (must be exceptional): Expert-level proficiency in Next.js and React – component architecture, state management, performance optimization, rendering strategies, and UI polish at scale.
• Backend (must be exceptional): Expert-level experience with Node.js and Express.js, building production-grade APIs and services at scale.
• Code: TypeScript fluency across both frontend and backend
• Cloud: Significant hands-on AWS experience (ECS, Lambda, S3, API Gateway, CloudWatch, IAM, and more)
• Testing: An unwavering commitment to testing – you write unit and integration tests as a matter of course
• AI Fluency: Deep fluency across all modalities of AI-assisted development – chat, inline code completion, and agentic workflows (e.g. Claude Code, Cursor Agents, GitHub Copilot). You know when to spin up an agent to tackle a complex multi-step task vs. when a quick prompt is enough.
• APIs: Deep understanding of RESTful API design, OAuth/JWT authentication, and security best practices
• Judgment: Ability to operate independently, navigate ambiguity, make sound technical decisions, and ship without close supervision
• Communication: Excellent written and verbal communication; able to articulate technical tradeoffs to engineers and non-engineers alike

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