Senior Full Stack Software Engineer

Seamless.AI

. Own meaningful full stack features and deliverables from concept through production .

Posted 11/9/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full stack development, particularly with React and modern JavaScript, while effectively collaborating with cross-functional teams to deliver high-quality, scalable web applications. Proficient in backend technologies and data management, ensuring robust solutions for large datasets and user experience workflows.

Highest-signal resume keywords

React DevelopmentNode.jsAWSSQLMicroservices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactES6/7 JavaScriptWebpackHTMLCSSNode.jsExpressPostgresSQLMicroservices

Soft Skills

Problem-SolvingCommunicationCollaborationDocumentation

Tools & Technologies

S3AthenaOpenSearchChrome ExtensionsAI-Assisted Tools

Certifications & Qualifications

Bachelor's Degree

Industry Keywords

Cloud-Based ApplicationsUI/UX DesignWeb ScrapingAPIsData Management

Tech Stack

Tools & technologies

AWSCloudJavaScriptMicroservicesNode.jsPostgresReactSQLWebpack

About the role

Key responsibilities & impact

Own meaningful full stack features and deliverables from concept through production
Build scalable, high-performing user interfaces and applications for the data search engine and social profiling platform
Develop React-based interfaces using modern JavaScript, Webpack, HTML, CSS, and related tools
Design, develop, and implement microservices handling large volumes of concurrent requests and data
Create JSON schemas and user experience workflows for business processes involving hundreds of millions of records
Translate customer requirements into practical technical solutions
Ship high-quality code frequently through iterative development and MVP delivery
Develop complete features with substantial autonomy while communicating with remote teammates
Drive end-to-end development from initial brief through post-launch analysis with product managers and technical stakeholders
Support and improve experiences across web applications, browser extensions, and mobile platforms
Collaborate with product managers and engineering partners to make sound technical decisions
Work across the web application, Chrome extension, and connected services

Requirements

What you’ll need

Ideally 5+ years of experience building high-quality, cloud-based web applications
5+ years of expertise in modern frontend technologies, including React, ES6/7 JavaScript, Webpack, HTML, and CSS
2+ years of experience with backend technologies including Node.js, Express, Postgres, and AWS
Experience working with large datasets using S3, Athena, OpenSearch, or similar services
Strong SQL skills and an analytical approach to problem-solving
Experience working with internal APIs and integrating third-party APIs
Experience with React Hooks and other modern React features
Ability to create clear documentation for new and existing features and functionality
Experience developing software using AI-assisted tools such as Claude and Cursor
Bachelor’s degree preferred
UI/UX design specialization preferred
Experience developing Chrome extensions preferred
Experience with web scraping preferred
Applicants must be authorized to work in the United States
Visa sponsorship is not included in the hiring package

Benefits

Comp & perks

Medical, dental, and vision insurance
Health Savings Account and Flexible Spending Account options
401(k) retirement plan with company matching contributions
Company-paid life insurance, accidental death and dismemberment, and short-term disability coverage
Voluntary supplemental insurance options
Employee Assistance Program
Annual wellness reimbursement
Paid time off, company holidays, and paid parental leave for birthing and non-birthing parents
Remote-first work environment
Employee discount and perks program
Professional development, ongoing learning, coaching, and career-growth opportunities