Agentic Software Engineer (OpenAI Codex) - Remote - Colombia

FullStack; Cali; A distancia; COP 60.000.000 - 120.000.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive Salary

Paid Time Off

100% remote work

Health policy coverage

English Classes

Food card

Career advancement opportunities

Continuing education opportunities

Descripción de la vacante

A software consultancy company in Colombia is seeking an experienced software developer with expertise in full-stack architecture and AI-driven projects. Candidates should have 5+ years of experience and a deep understanding of OpenAI Codex. Responsibilities include collaborating with product teams, designing AI-first workflows, and contributing to high-quality systems in a remote environment. The role offers competitive salary, health benefits, and opportunities for career advancement.

Formación

• 5+ years of professional software development experience.
• Experience delivering production software with AI systems.
• Ability to translate complex product requirements into machine-executable specifications.
• Deep experience using OpenAI Codex as a primary development environment to coordinate AI-driven implementation across large, multi-file systems while maintaining architectural oversight.
• Experience delivering production software where AI systems generate the majority of implementation code.
• Strong context engineering skills, including structuring codebases, specifications, and documentation to produce reliable, context-efficient AI output.
• Ability to translate complex product requirements into machine-executable, AI-friendly specifications.
• Experience designing AI-first development workflows from specification through deployment.
• Ability to systematically improve AI-generated output through structured iteration and feedback loops.
• Comfort working across multiple stacks, using AI to deliver high-quality, production-ready systems.
• Experience operating across frontend, backend, and infrastructure in AI-accelerated environments.
• Disciplined human-in-the-loop review practices, with risk-adjusted validation for high-impact or safety-critical flows.
• Strong curiosity and initiative in evaluating and adopting emerging AI-native engineering practices.
• Advanced understanding of Agile methodologies and Lean principles and participation in team ceremonies as well as asynchronous work.
• Ability to work through new and difficult issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of applications.
• Forensic attention to detail.
• A positive mindset and a can-do attitude.
• Experience working on Agile / Scrum teams.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work.
• Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
• Ability to consistently work 40 hours per week.

Responsabilidades

• Work with product teams to build and deliver products.
• Design AI-first development workflows from specification to deployment.
• Improve AI-generated output through structured iteration and feedback.

Conocimientos

Full-stack architecture understanding

OpenAI Codex experience

Strong context engineering skills

Understanding of Agile methodologies

Ability to work with AI-driven systems

Experience in large, complex systems

Advanced English communication

Educación

Four-year college degree

Descripción del empleo

About FullStack

FullStack is one of the fastest-growing software consultancy companies in the Americas. We deliver transformational digital solutions to top global companies and Silicon Valley startups. As an employee-first company, we focus on hiring the most talented software designers and developers by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential.

• Offering life-changing career opportunities to talented software professionals across the Americas.
• Building highly-skilled software development teams for hundreds of the world’s greatest companies.
• Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
• Our 4.2-star rating on GlassDoor.
• Our client Net Promoter Score of 68, twice the industry average.

The Position

We're looking to hire a [insert position/role] to join our team. You'll work with one of our incredible product teams to build and deliver a product to our clients.

What We're Looking For

• 5+ years of professional software development experience with a deep understanding of full-stack architectures (e.g., Java, Python, C#, React, Node, etc.).
• Advanced English is required.
• Successful completion of a four‑year college degree is required.
• Deep experience using OpenAI Codex as a primary development environment to coordinate AI‑driven implementation across large, multi‑file systems while maintaining architectural oversight.
• Experience delivering production software where AI systems generate the majority of implementation code.
• Strong context engineering skills, including structuring codebases, specifications, and documentation to produce reliable, context‑efficient AI output.
• Ability to translate complex product requirements into machine‑executable, AI‑friendly specifications.
• Experience designing AI‑first development workflows from specification through deployment.
• Ability to systematically improve AI-generated output through structured iteration and feedback loops.
• Comfort working across multiple stacks, using AI to deliver high‑quality, production‑ready systems.
• Experience operating across frontend, backend, and infrastructure in AI‑accelerated environments.
• Disciplined human‑in‑the‑loop review practices, with risk‑adjusted validation for high‑impact or safety‑critical flows.
• Strong curiosity and initiative in evaluating and adopting emerging AI‑native engineering practices.
• Advanced understanding of Agile methodologies and Lean principles and participation in team ceremonies as well as asynchronous work.
• Ability to work through new and difficult issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of applications.
• Forensic attention to detail.
• A positive mindset and a can‑do attitude.
• Experience working on Agile / Scrum teams.
• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
• Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
• Ability to consistently work 40 hours per week.

What We Offer

• Competitive Salary.
• Paid Time Off (vacation, sick leave, maternity and paternity leave, holidays).
• 100% remote work.
• The ability to work with leading startups and Fortune 500 companies.
• Health policy with Sura 100% for you and up to 4 primary family members.
• English Classes.
• Food card.
• Ample opportunity for career advancement.
• Continuing education opportunities.

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