Forward Deployed Engineer Junior

About the Role

The Forward Deployed Engineer (FDE) will be responsible for designing, building, and evolving AI-powered prototypes, agents, and features together with their POD. This includes turning user journeys and business rules into working solutions, testing and refining agent behavior, and participating in discovery to understand problems before building. The role requires the ability to work both within a team and independently.

Location: Hybrid – Denver area, CO (1 to 2 days per week in the office).

Key Responsibilities

• Build prototypes, agents, and AI-powered features with your POD, using Claude Code, Cursor, and Codex.
• Turn user journeys and business rules into prompts, agent flows, and working React applications.
• Integrate and compare language models through OpenRouter, choosing the best fit for each use case.
• Test, evaluate, and iterate on agent behavior, including use cases, edge cases, and response quality.
• Model and query data in Postgres and Supabase to bring prototypes to life.
• Deploy and evolve prototypes and vibe apps on Vercel, with version control on GitLab.
• Support the POD’s developer with API and service integrations in Golang.
• Clearly document what was built, including prompts, decisions, flows, and lessons learned.
• Take part in discovery sessions with users and the Product Builder to understand the problem before building.
• Other duties assigned.

Requirements & Tech Stack

• Hands-on experience building something with AI (an agent, an app, an automation).
• Practical use of AI-assisted development tools such as Claude Code, Cursor, or Codex.
• Basic programming logic and a desire to learn to code.
• Basic knowledge of Git.
• Curiosity, autonomy, and comfort with failing fast and adjusting.
• Good communication skills to explain what you built and why.
• Fluency in Portuguese or Spanish is required.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Systems, Design, or a related field.

Nice to Have

• Familiarity with React, JavaScript/TypeScript, or Golang.
• Basic knowledge of SQL, Postgres, or Supabase.
• Projects deployed on Vercel or similar platforms.
• Experience using LLMs through APIs (OpenRouter, Anthropic, OpenAI, or similar).
• Basic knowledge of REST APIs and integrations.
• Familiarity with prompt engineering and LLM evaluation.
• Interest in product, UX, and B2B business.

Why Join Us

• Build real AI products used by large companies from your first month.
• Work side by side with Product Builders and developers, with close mentorship.
• Access to the latest AI tools on the market.
• A clear growth path within the POD model.

Mercado Eletrônico specializes in B2B e-commerce solutions, with a strong network of buyers and suppliers utilizing a powerful combination of technology and services.

Compensation and Benefits

• Salary: $50,000 - $55,000
• Benefits: Medical, Vision, and Dental coverage.
• Paid Time Off: vacation, sick leave, and 6 company observed holidays.