Senior AI Software Engineer

New
P
Plain ConceptsAI Engineering
Brazil. PortugalContractSenior
Salary not disclosed
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Job Details

Languages
Fluent in English
Experience
5+ years
Required Skills
AWSTypeScriptAzureGoDistributed Systems

Requirements

  • 5+ years of professional software engineering experience.
  • Strong, hands-on experience with Golang and TypeScript.
  • Proven track record of solving complex engineering and architectural problems.
  • Platform engineering mindset with experience building tools, systems, services, or infrastructure.
  • Experience working in an AI-native development environment.
  • Hands-on experience with AI-assisted development tools (e.g., OpenAI Codex, Claude, Cursor).
  • Experience building AI-native or agentic systems.
  • Experience working with Azure and/or AWS.
  • Strong understanding of system design, scalability, reliability, and performance.
  • Excellent communication skills.
  • Fluent in English.
  • Must be currently based in Portugal or Brazil.

Responsibilities

  • Design, build, and maintain scalable software systems and engineering platforms.
  • Solve complex engineering and architectural problems beyond simply delivering product features.
  • Develop production-grade solutions using Go and TypeScript.
  • Build internal tools, platforms, services, APIs, and infrastructure used by other engineers.
  • Contribute to the development of AI-native and agentic systems and/or the infrastructure that supports them.
  • Use AI-powered development tools such as OpenAI Codex, Claude, Cursor, or similar tools as part of your everyday engineering workflow.
  • Explore and adopt new AI tools and techniques to improve engineering productivity and code quality.
  • Collaborate with senior engineers and technical stakeholders to design robust, scalable solutions.
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