Senior Full Stack Software Engineer

Jobtailor; Buenos Aires; Presencial; ARS 2.902.000 - 4.241.000; Jornada completa

Descripción de la vacante

Jobtailor is seeking a seasoned full-stack developer to design software architecture across the front-end and back-end, shaping scalable digital products and internal platforms.

You will own end-to-end development, design systems, model data, define clean API contracts, and structure codebases to support rapid change, while using AI tools daily.

Autonomy, strong self-management, and basic English for technical reading are essential in our fast-paced startup.

Formación

• 4+ years of professional developer experience (Sr or Senior).
• Strong software architecture skills across front end and back end.
• Ability to design systems, model data, define clean API contracts, and structure codebases for change.
• Full-stack experience owning both front-end and back-end development.
• Intensive daily use of AI in software development.
• Autonomy and self-management without close supervision.
• Basic English for technical reading and communication.
• Experience designing and maintaining automated unit, integration, and end-to-end testing strategies.
• Demonstrated experience with AI development tools such as Claude Code, Cursor, GitHub Copilot, OpenAI Codex, or similar.

Responsabilidades

• Design software architecture across the front end and back end.
• Design systems, model data, define clean API contracts, and structure codebases for change.
• Own full-stack work end to end.
• Build and ship modern digital products and internal platforms.
• Use AI intensively throughout the software development workflow.
• Design and maintain automated unit, integration, and end-to-end testing strategies.
• Review, validate, and improve AI-generated code.
• Work autonomously, manage schedules, and switch context frequently.

Conocimientos

Software Architecture

Full-Stack Development

AI Development Tools

Automated Testing

Autonomy & Self-Management

English Reading

Herramientas

Claude Code

Cursor

GitHub Copilot

OpenAI Codex

Go

Descripción del empleo

• Design software architecture across the front end and back end
• Design systems, model data, define clean API contracts, and structure codebases for change
• Own full-stack work end to end
• Build and ship modern digital products and internal platforms
• Use AI intensively throughout the software development workflow
• Design and maintain automated unit, integration, and end-to-end testing strategies
• Review, validate, and improve AI-generated code
• Work autonomously, manage schedules, and switch context frequently

Requirements

• 4+ years of professional developer experience (Ssr or Sr level)
• Strong software architecture skills across front end and back end
• Ability to design systems, model data, define clean API contracts, and structure codebases for change
• Full-stack experience owning both front-end and back-end development
• Intensive, demonstrable daily use of AI in software development
• Autonomy and self-management without close supervision
• Basic English for technical reading and basic communication
• Experience designing and maintaining automated unit, integration, and end-to-end testing strategies
• Demonstrated experience with AI development tools such as Claude Code, Cursor, GitHub Copilot, OpenAI Codex, or similar
• Ability to review, validate, and improve AI-generated codeExperience with Go is nice to have, not required
• Background in small teams, startups, or high-autonomy environments is nice to have

Core Competencies

Demonstrates strong software architecture skills across front-end and back-end development, with extensive experience in designing systems, modeling data, and defining clean API contracts. Proficient in utilizing AI development tools and maintaining automated testing strategies to enhance software quality and efficiency.

Highest-signal resume keywords

• Software Architecture
• Full-Stack Development
• AI Development Tools
• Automated Testing Strategies
• Autonomy and Self-Management

ATS Optimization Keywords

Hard Skills

• Software Architecture
• Full-Stack Development
• System Design
• Data Modeling
• API Contract Definition
• Automated Testing
• Unit Testing
• Integration Testing
• End-to-End Testing
• AI Code Review

Soft Skills

• Autonomy
• Self-Management
• Context Switching

Industry Keywords

• Digital Products
• Internal Platforms
• High-Autonomy Environments
• Startups

Tools & Technologies

• Claude Code
• Cursor
• GitHub Copilot
• OpenAI Codex