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Senior Software Engineer - B2B

2 Locations💼 Full-time🗓 2026-07-14 → 2026-07-31

Core

Build high-quality front-end features and refactor legacy codebases for BigCommerce merchants to run real-world B2B businesses.

Role type

Senior front-end software engineer (React/TypeScript)

Builds

SaaS e-commerce platform features for merchants

Domain

E-commerce / B2B commerce

Deliverable

product features

Required skills

React, TypeScript, code refactoring, API integration, code reviews, technical mentoring, performance optimization

Preferred skills

Bachelor's degree in CS/EE/SW/CE/MIS or equivalent experience, experience with complex/long-lived codebases

Technologies

React, TypeScript

Responsibilities

Build front-end features, refactor legacy code, fix cross-stack issues, collaborate with product/design teams, provide code reviews and technical guidance, shape technical direction, improve developer experience

Seniority

Senior, hands-on IC

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