Software Engineer, Spec-Driven AI Development | Contract | Remote, MX

About us: Working at Tech Holding isn’t just a job, it’s an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability. The Role: We’re looking for a Software Engineer in Mexico to help build an AI-powered risk intelligence platform. The platform helps enterprises detect and respond to emerging online threats. The team builds software with a spec-driven, AI-assisted workflow: engineers write clear specifications, plans, and acceptance criteria, then direct AI coding agents to implement, test, and refine the code. This is a hands-on individual-contributor role. You’ll own features end to end and help the team improve how it ships with AI. Key Responsibilities: Translate product requirements into precise specs, technical plans, and task breakdowns that AI coding agents can carry out reliably Use AI coding agents (e.g., Claude Code, Cursor, GitHub Copilot, or Kiro) to implement features, then review, test, and refine the code they produce Own features end to end across backend services, APIs, and integrations, from spec through to production Define acceptance criteria and automated tests up front so AI-generated code is checked against the spec Maintain project context files, coding standards, and reusable prompts and templates that keep agent output consistent Review AI-generated and human-written code for correctness, security, performance, and maintainability Improve the team’s spec-driven workflow, tooling, and CI/CD practices, and share what works Join daily standups and technical discussions with the US-based client team Requirements: 4+ years of professional software engineering experience building and shipping production applications Hands-on experience using AI coding agents as a core part of your daily development workflow, not just autocomplete Practical experience with spec-driven development: writing specs, plans, or structured requirements that guide AI-generated implementation (e.g., GitHub Spec Kit, Kiro, or a similar approach of your own) Strong in at least one of: Backend: Python, TypeScript/Node.js, or Go, plus REST APIs and SQL databases Full stack: the above plus React or a similar modern frontend framework Strong testing discipline, including unit, integration, and test-first habits that validate AI-generated code Experience with Git-based workflows, code review, and CI/CD Experience deploying to a cloud platform (AWS, GCP, or Azure) Excellent written and spoken English, especially strong written communication for specs and documentation Nice to have: Experience building LLM-powered product features, such as RAG, agents, or tool calling Experience setting up AI development tooling for a team, such as MCP servers, agent rules files, or shared prompt libraries Experience with data-heavy or SaaS platforms, especially in security, threat intelligence, or trust and safety Familiarity with Docker, Kubernetes, or infrastructure as code (e.g., Terraform) Previous experience working with US-based clients or distributed teams Location: Remote, Mexico Employment type: Contract #LI-Remote Tech Holding is proud to be an Equal Opportunity Employer and is committed to fostering a diverse and inclusive workplace. We welcome applicants from all backgrounds and experiences, and we consider qualified applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristic. If you require accommodation in the application process, please contact our HR