Senior Software Engineer Technical Lead

Koyfin is a rapidly growing, VC-backed fintech startup looking for a Tech Lead to join a small team of very talented engineers to help scale our product to millions of users.

We believe every investor deserves powerful, intuitive tools to analyze markets and portfolios—without the steep learning curve or sky-high costs of traditional platforms.

That’s why we built Koyfin: a modern, accessible analytics platform that combines sleek visualizations, comprehensive data, and customizable tools to empower smarter investment decisions.

Our users love what we’ve created so far:

🥇 Fastest growing research platform for financial advisors using product-led growth (register for free)

🚀 Recognized by G2 as a top-rated analytics platform(link)

📈 Rapid growth with new records in usage and revenue every quarter

💰 We’re cash flow positive -and proud of it

Come join our mission to transform the way financial data is accessed and used!

What you’ll be doing?

You will be the founding member of a new full-stack team and work closely with other leaders in the company to solve the most pressing problems.

• Lead a team of 3-5 software engineers
• Building Koyfin’s customization and dashboard capabilities to enable users to create fully personalized versions tailored to their needs
• Take ownership of critical, highly complex components, such as the data grid (an Excel-like table) or charts, which are mission-critical to Koyfin’s platform
• Enhance the application’s performance to achieve maximum speed and scalability
• Help set and maintain engineering standards in the team and across the company
• Participate in engineering planning and grooming sessions, influencing key steps of the development process like feasibility, planning and execution
• Influence the strategic roadmap in collaboration with product and design teams
• Assist in recruiting and building a high-performing engineering team

Who we’re looking for?

• 10+ years of experience working with technologies across the stack, modern UI frameworks like React or Vue, or languages such as Javascript, Go, Ruby or Java
• 3+ years of experience leading or directing a team of developers
• Experience building large-scale applications with real-time synchronization
• Previous experience in a Saas company writing customer-facing code
• A strong work ethic with a bias for action
• Excellent written and verbal communication skills, curious and collaborative

What we offer

• We strive to create an open environment where problems are solved by honest and rigorous discussion
• A competitive compensation package including stock options
• Full benefits including medical dental and 401k contributions
• Fully remote, open-minded, passionate, and results-oriented team