We’re building the future of work by scaling Spotwork’s agile staffing platform across the U.S. and Canada. As a Senior Full-Stack Engineer, you will play a key role in shaping core product features, optimizing our user experience, and owning technical initiatives from concept through production in a fast-moving startup environment. You’ll collaborate closely with product, design, and operations teams to deliver impactful, high-quality software.

• Lead development of full-stack features using React, TypeScript, Node.js, and NoSQL technologies.
• Translate product and business requirements into scalable and maintainable technical solutions.
• Ship high-quality code regularly - from prototypes to production releases.
• Partner with product and design teams to deliver intuitive, performant, and polished user experiences.
• Build backend APIs, data models, and integration layers powering core workflows.
• Monitor, debug, and improve performance and reliability across the stack.
• Mentor other engineers and contribute to tech strategy, processes, and standards.
• Thrive in ambiguity and help define product direction as we grow.

Technical Skills

• React - Deep experience building scalable, maintainable frontends using modern React patterns.
• TypeScript & JavaScript (ES6+) - Strong fundamentals in type-safe code and modern JavaScript semantics.
• Node.js - Proven backend development skills building services and API layers.
• HTML & CSS - Solid grasp of UI fundamentals, responsive design, and web standards.
• NoSQL Database - Hands-on experience designing schemas, querying efficiently, and optimizing performance with NoSQL stores (e.g., Firestore, MongoDB, DynamoDB).

Product & Ownership

• Demonstrated ability to own features end-to-end, from ideation through implementation, launch, and iteration.
• Comfortable making architectural decisions in an evolving codebase and prioritizing tradeoffs.
• Strong sense of product ownership and accountability for results.

Startup Mindset

• Self-starter who thrives in a lean, fast-paced environment where priorities can shift quickly.
• Comfortable wearing multiple hats — from frontend to backend, tech strategy to execution.
• Actively identifies opportunities to improve code quality, developer workflows, and user experiences.
• Effective communicator with a collaborative, solutions-oriented approach.

• Experience with cloud platforms, CI/CD pipelines, or serverless architectures.
• Familiarity with mobile-first design or cross-platform applications.
• Prior experience at early-stage or high-growth startups.