Software Engineer II – Full Stack

Commerce

Full-stack software engineer building single-click BigCommerce marketplace apps and migration tooling. Supporting production systems and translating merchant needs into technical solutions.

Posted 8/12/2026full-time🇺🇸 United StatesMid-LevelSenior💰 $111,956 - $167,934 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in full-stack development, particularly in building and maintaining applications using Node/TypeScript, PHP, and React. Proficient in integrating APIs and ensuring high-quality code with a focus on performance and maintainability.

Highest-signal resume keywords

Node.js DevelopmentReact DevelopmentAPI Integration (REST, GraphQL, OAuth)Multi-Tenant System UnderstandingInterpersonal Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptTypeScriptPHPReactNext.jsCode ReviewData MigrationPerformance MonitoringTest CoverageScripting

Soft Skills

Excellent CommunicationInterpersonal SkillsProblem-SolvingAdaptabilityOwnership

Tools & Technologies

BigCommerce APIsWebhooksGraphQLREST APIsOAuth

Certifications & Qualifications

Bachelor's Degree in Computer ScienceSoftware Engineering Boot Camp Completion

Industry Keywords

Ecommerce PlatformsMarketplace Distribution ModelsMulti-Merchant CodebaseTechnical DesignClient Conversations

Tech Stack

Tools & technologies

GraphQLJavaScriptNext.jsNode.jsPHPReactTypeScript

About the role

Key responsibilities & impact

Design, build, and maintain single-click apps across the full stack
Develop backend services in Node/TypeScript and PHP and frontends in React
Integrate with BigCommerce REST and GraphQL APIs, webhooks, and OAuth flows
Write performant, maintainable, clear, concise code with appropriate test coverage
Build extensible, high-quality features for a multi-merchant codebase
Monitor production app health, troubleshoot issues, and resolve merchant-impacting bugs
Contribute to data migration projects from scripting and validation through cutover
Participate in code reviews
Translate merchant requirements into technical designs with Product Managers, solutions architects, and services teams
Occasionally join client and partner conversations alongside Product Managers
Move between projects and codebases, selecting appropriate tools and patterns

Requirements

What you’ll need

3+ years of professional experience as a Software Engineer
Solid understanding of programming principles
Hands-on experience with JavaScript/TypeScript (Node) and/or PHP on the backend
Experience with React and Next.js on the frontend, with depth in one area and willingness to work across the stack
Experience integrating third-party APIs and services, including REST, GraphQL, webhooks, and OAuth
Understanding of multi-tenant systems, including performance, data isolation, and upgrades across thousands of stores
Ability to context-switch across concurrent projects and quickly learn unfamiliar codebases
Excellent interpersonal and communication skills, including explaining technical concepts to non-engineering stakeholders
Ability to take action and own work from inception to delivery
Bachelor's degree in Computer Science or equivalent experience, or completion of a comprehensive software engineering boot camp is preferred
Experience with ecommerce platforms, BigCommerce APIs, or marketplace/app-store distribution models is a bonus

Benefits

Comp & perks

Variable compensation such as bonus or commission, where applicable
Equity, where applicable
Benefits in accordance with local policies, where applicable
Inclusive and accessible hiring experience
Accommodations or adjustments during the recruitment process