Senior Fullstack Engineer

About the role

Copilot Money is a high-energy, fast-paced startup focused on helping people manage their finances more effectively. We are seeking a Senior Fullstack Engineer to join our team and contribute to the development of our innovative personal finance app.

Key Responsibilities

• Own end-to-end delivery of product features spanning web client and backend systems, from technical design through launch and iteration.
• Design and implement backend APIs, data models, and services that power Copilot Money's core financial features.
• Partner closely with Product and Design in a build-as-you-plan process - comfortable moving forward with incomplete inputs and refining solutions through real usage.
• Contribute to architecture decisions and raise the bar for code quality, testing, and operational reliability within your team.
• Actively use AI tools and models as part of your daily development workflow.
• Identify and address technical debt and risks proactively, with a pragmatic approach to balancing speed and maintainability.

Required Qualifications

• 6+ years of professional software engineering experience with significant ownership of shipped products.
• Strong experience building web apps, with production work in Node.js, React, and TypeScript.
• Strong backend engineering skills, including designing APIs, data models, and scalable services.
• Experience with a major cloud provider (GCP, Cloudflare, or AWS).
• A bonus if you have experience with: agentic interfaces/tools, Progress Web Apps, Firebase, real-time systems, Mobile apps, CI / CD systems.
• Hands-on, day-to-day user of AI coding tools (e.g. Claude, Cursor, Gemini) - not just curious about AI, but actively integrating it into how you build.
• Strong system design fundamentals and comfort making technical tradeoffs under ambiguity.
• Clear communicator who works well with product, design, and fellow engineers.
• Team player who can manage time independently.

Why should you work with us?

• A product people love: Copilot users are extremely engaged with the app and are sharing it with their friends and family.
• A team that cares: We’re a bunch of geeks who care about data quality and good coffee. We go the extra mile when it comes to making our users happy (and making an excellent pour-over).
• Significant impact: We are currently a small, thirty-five-person team with big ambitions. Our team has previous experience at companies like Google and Apple.
• Multicultural team: We’re based in NYC 🇺🇸 and in Santiago, Chile 🇨🇱.
• Great company culture: You’ll work with a highly collaborative team that’s always learning and ready to help each other out.

Pay and Benefits

• The expected salary range for this role is $185k - $215k. However, the starting base pay will depend on a number of factors including the candidate’s location, skills, experience, market demands, and internal pay parity.
• Equity in the company
• Health, Dental & Vision Insurance (company pays 100% premium for employee)
• 401k matching up to 4%
• Home Office Setup, and monthly Internet reimbursement (up to $80/month)
• Wellness Reimbursement ($100/month)
• 4 weeks of PTO. After 2 years in the company you get 5 extra vacation days, and 5 more after 4 years.
• Annual company retreats