Senior Frontend-Focused Fullstack Engineer | Fintech

7Seventy; United States; Hybrid; USD 190,000 - 230,000; Full time

Job summary

7Seventy is seeking a Senior Fullstack Engineer with a strong frontend focus to own React/TypeScript surfaces used in payments dashboards, reporting, and embedded experiences. You will contribute to Python APIs and data integrations, shaping frontend architecture and engineering standards.

You will work closely with product, design, backend, operations, compliance, and payments stakeholders to scale reliable fintech platforms and internal systems while mentoring peers and driving design-system

Qualifications

• 5+ years of software engineering with frontend ownership.
• Strong React and TypeScript as primary tech.
• Backend API work with Python and REST APIs.
• Experience with SQL/NoSQL and cloud platforms.
• Familiarity with CI/CD and code reviews.

Responsibilities

• Own frontend architecture and React/TypeScript interfaces.
• Contribute across the stack, including Python APIs.
• Define frontend standards and mentor engineers.
• Support internal tooling and dashboards for finance/payments.

Skills

React

TypeScript

frontend architecture

Python APIs

REST APIs

SQL

NoSQL databases

Google Cloud Platform

CI/CD

Education

Bachelor's degree in CS/Engineering or equivalent

Tools

Git

CI/CD pipelines

Testing frameworks

Job description

7Seventy is seeking a Senior Fullstack Engineer with a strong frontend focus to own React/TypeScript surfaces used in payments dashboards, reporting, and embedded experiences. You will contribute to Python APIs and data integrations, shaping frontend architecture and engineering standards.

You will work closely with product, design, backend, operations, compliance, and payments stakeholders to scale reliable fintech platforms and internal systems while mentoring peers and driving design-system