Mid-Level Full Stack Engineer

Job Overview

SimpleClosure is seeking a Mid-Level Full Stack Engineer to join our growing engineering team. In this role, you’ll work across the stack to build, improve, and scale core product functionality that directly impacts our customers. You’ll collaborate closely with product, design, and business stakeholders to ship reliable, user-centric features while taking ownership of meaningful parts of the codebase. This role is ideal for an engineer who excels in frontend craftsmanship and likes to delve into backend problem-solving in a fast-moving startup environment.

This position reports to the CTO.

Responsibilities

• Design, build, and maintain full-stack features across the SimpleClosure platform
• Collaborate with Product and Design to translate requirements into scalable technical solutions
• Implement clean, maintainable frontend experiences using React and TypeScript
• Build and integrate backend services, APIs, and data models to support product workflows
• Write high-quality, well-tested code and participate in code reviews
• Own features end-to-end, from technical design through deployment and iteration
• Ensure performance, reliability, accessibility, and responsiveness across devices
• Debug, troubleshoot, and resolve issues in production environments
• Continuously improve development processes, tooling, and code quality

Desired Skills and Qualifications

• Experience: 3–5 years of professional software engineering experience, ideally in a startup or fast-paced environment
• Frontend: Strong experience with React and TypeScript; Next.js or similar frameworks preferred
• Backend: Experience implementing APIs and connecting with third-party services
• Databases: Familiarity with relational and/or NoSQL databases
• Ownership: Comfortable taking projects from concept through deployment and iteration
• Problem-Solving: Proactive, thoughtful engineer who can navigate ambiguity and make sound technical decisions
• Collaboration: Strong team player who enjoys working cross-functionally
• Communication: Clear written and verbal communication skills
• Adaptability: Thrives in an evolving startup environment with shifting priorities
• AI-Native: Familiar with latest agentic and coding technologies, trusts but verifies model outputs

What we offer

• Compensation: $120,000 - $170,000
• Unlimited PTO
• Competitive equity package
• Employer Covered Medical Benefits
• Hybrid work in New York City (Midtown) - two days in office, three days remote
• Two in-person team retreats a year
• 401(k) retirement plan with Traditional & Roth options and immediate eligibility