Senior Full-Stack Software Engineer

Elitebrain Talent Representation and Career Advisory

. Develop, modify, debug, and optimize front-end and back-end application components .

Posted 11/11/2026contractRemote • Florida • United StatesSenior💰 $50 - $100 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining full-stack applications using multiple programming languages, including Python, React, JavaScript, Java, Node.js, Rust, Go, and TypeScript. Proficient in troubleshooting, debugging, and optimizing application components while adhering to software engineering best practices.

Highest-signal resume keywords

Full-Stack Application DevelopmentFront-End And Back-End Software EngineeringProgramming Languages: Python, React, JavaScript, Java, Node.js, Rust, Go, TypeScriptApplication Architecture And API DesignDebugging And Troubleshooting Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentFront-End DevelopmentBack-End DevelopmentAPI DevelopmentApplication State ManagementDatabase ManagementService IntegrationCode ReviewSoftware Engineering Best PracticesTechnical Problem-Solving

Soft Skills

Analytical ThinkingTechnical JudgmentIndependent WorkRemote CollaborationEffective Communication

Industry Keywords

Web Application ArchitectureUser-Facing FeaturesData PersistenceNetworkingDeploymentAI Code ReviewTechnical Assessment

Tech Stack

Tools & technologies

JavaJavaScriptNode.jsPythonReactRustTypeScriptGo

About the role

Key responsibilities & impact

Develop, modify, debug, and optimize front-end and back-end application components
Design and implement user-facing features, supporting services, APIs, and data models
Analyze and troubleshoot application behavior across browsers, front-end frameworks, backend services, databases, and external integrations
Understand existing application architecture in unfamiliar code repositories and identify technical improvements
Diagnose issues involving application state, API contracts, authentication, data persistence, networking, and deployment
Create, solve, review, and validate challenging software engineering tasks across the full application stack
Translate software implementations between programming languages while preserving functionality and technical accuracy
Evaluate and improve code written in multiple programming languages
Review AI-generated code and technical solutions for correctness, completeness, performance, security, and maintainability
Apply software engineering best practices for reliable, scalable, and maintainable implementations
Provide technical feedback and document findings when evaluating software solutions
Work independently and contribute to project deliverables within established quality standards

Requirements

What you’ll need

Strong professional experience developing and maintaining production-level full-stack applications
Significant hands-on experience in both front-end and back-end software engineering
Production experience with multiple programming languages and technologies, including Python, React, JavaScript, Java, Node.js, Rust, Go (Golang), and TypeScript
Strong understanding of modern web application architecture, browser-based applications, APIs, and backend services
Experience designing, developing, and maintaining user-facing features and supporting backend systems
Knowledge of application state management, databases, data persistence, and service integrations
Ability to navigate and contribute to unfamiliar codebases and existing software architectures
Strong debugging and troubleshooting skills across the complete application stack
Experience diagnosing issues involving authentication, API contracts, networking, and deployment
Ability to evaluate implementations for correctness, completeness, performance, security, and maintainability
Strong analytical thinking, technical problem-solving, and software engineering judgment
Ability to work independently and deliver high-quality technical assignments remotely
Approximately 15 hours per week availability
Ability to meet minimum weekly task submission requirements
Willingness to complete an approximately 30-minute AI-based interview
Availability to complete a technical assessment if requested
Ability to begin assignments promptly following selection and onboarding

Benefits

Comp & perks

Fully remote, global opportunity
Flexible work schedule; professionals may choose working hours and days, including weekends
Approximately 15 hours per week
Independent contractor arrangement
Output-based payment for approved tasks