Senior Software Engineer, eCommerce

Jane Technologies, Inc.

Senior Software Engineer developing user-facing functionality and scalable APIs for Jane Technologies' eCommerce platform. Collaborating with senior engineers and product teams to enhance platform reliability and performance.

Posted 7/20/2026full-timeRemote • California • 🇺🇸 United StatesSenior💰 $170,000 - $205,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable frontend React applications for eCommerce, with a strong foundation in Computer Science principles and a collaborative approach to problem-solving and communication. Proficient in Javascript/Typescript and familiar with relational databases, contributing to high-level architectural decisions and best practices.

Highest-signal resume keywords

React Application DevelopmentJavascript/Typescript ProficiencyECommerce ExperienceSystems-Level Problem SolvingTechnical Communication

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Frontend DevelopmentBackend Services DevelopmentAPI DevelopmentPerformance OptimizationData StructuresAlgorithmsCode Design PrinciplesRelational DatabasesRuby on RailsServer-Side JavaScript

Soft Skills

CollaborationMentoringTechnical CommunicationProblem SolvingOwnership

Industry Keywords

ECommerceProduct DiscoverySearch/Browse ExperiencesCart and Checkout FlowsSEO Best PracticesHigh-Traffic Consumer WebDistributed SystemsAmbiguity NavigationDesign ReviewsFeature Planning

Tech Stack

Tools & technologies

Distributed SystemsJavaScriptReactRubyRuby on RailsTypeScript

About the role

Key responsibilities & impact

Implement, test and maintain new user-facing functionality on our eCommerce platform
Build scalable backend services and APIs that power our web applications
Partner with other senior engineers to contribute to high level decisions about the architecture and design.
Engage with Product Managers to make Jane's eCommerce storefront offerings sound, robust, and easy to use.
Help communicate and implement best practices across the engineering team.
Collaborate closely with Product Managers, Designers, and other Engineers through design reviews, feature planning, and code reviews.
Identify and resolve performance bottlenecks.

Requirements

What you’ll need

4+ years of professional software engineering experience in a product-centered team.
Demonstrates senior-level ownership: independently navigates ambiguity and proactively moves work forward without waiting for direction.
Experience building frontend React applications, ideally in eCommerce, marketplaces, or high-traffic consumer web. Hands-on with one or more of: product discovery and search/browse experiences, cart and checkout flows, or performance optimization for conversion-critical pages. You understand the constraints that make eCommerce frontend distinct: SEO best practices for organic discovery at scale, and building embedded or white-label experiences that perform seamlessly across many partner sites and brands.
Systems-level problem solver: comfortable navigating ambiguous, high-complexity challenges across distributed systems and infrastructure.
Strong Computer Science fundamentals: data structures, algorithms, and code design principles.
Proficiency in Javascript/Typescript and React, with a demonstrated ability to pick up new languages and adapt to a rapidly evolving stack. Experience with Ruby on Rails is preferred but not required, and server-side JavaScript experience is a plus.
Base level familiarity with relational databases.
Strong technical communication: expresses ideas clearly through well-crafted code, written documentation, and team communication with both technical and non-technical audiences
Collaborative by nature: as eager to mentor and share knowledge as to learn from others, with a genuine passion for craft and how great software gets built

Benefits

Comp & perks

Great compensation package and equity
Health, Dental, Vision, 401k, Unlimited PTO, and home office stipend