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Sigma Group career site
United States

Full stack Gen AI

Job Title: Full Stack Gen AI Engineer

About the Job

We are looking for an innovative Full-Stack Generative AI Engineer with experience in designing, building, and deploying AI-powered applications. You should be skilled at combining front-end, back-end, and LLM/GenAI integration to deliver scalable, user-centric solutions. In this role, you will develop internal tools that power our annotation workflows, evaluation pipelines, and dashboards, while streamlining key processes across the team. You will also contribute to creating scalable, well-documented applications, as well as prototypes and processes for client-facing projects.

You’ll work closely with linguists and project leads to design tools that are efficient, user-friendly, and robust enough to support both exploratory and production use cases. The ideal candidate is comfortable rapidly prototyping internal demos, annotation pilots, or experimental evaluations—and evolving those into maintainable, production-grade tools.

Required Qualifications

  • Generative AI & LLMs: Prompt engineering, LangChain, Hugging Face, APIs (e.g., OpenAI, Anthropic, Google)
  • Machine Learning: PyTorch, TensorFlow, scikit-learn, model deployment & optimization
  • Back-End Development: Python (e.g., FastAPI, Flask, Django), Node.js, REST APIs, microservices, Docker, Kubernetes
  • Front-End Development: React.js, Next.js, TypeScript, UI/UX integration with AI systems
  • Data Engineering: SQL/NoSQL (e.g., Postgres, MongoDB), data pipelines (e.g., JSONL, Airflow), cloud platforms (AWS, GCP, Azure)
  • 3+ years of programming experience in Python and working with Unix
  • Familiarity with version control, reproducibility, and lightweight CI workflows
  • Strong communication and collaboration skills across technical and non-technical teams
  • Fluent in English

Preferred Qualifications

  • Experience designing and implementing Agentic AI applications
  • Familiarity with annotation tools (e.g., Label Studio, Doccano) and evaluation workflows
  • Experience building dashboards and visualizations (e.g., Plotly, DataTables, D3.js)
Locations
United States

Sigma Ethics


Sigma follows a strong code of ethics upon which the company's culture is built. The principles drawn from this code guide all our professionals to perform quality work with integrity and accountability.

At Sigma, compliance with the law, maintaining a professional and independent stance, responsible decision-making, teamwork, continuous improvement and fluid communication with our clients are the pillars that allow us to be a world reference in the quality of the work we perform.

At Sigma, we ensure that everyone is treated fairly and equitably. We value professionalism, promote diversity and never allow any form of discrimination or any behavior that is not in line with the company's values and ethics. We promote dialogue and honest and respectful constructive criticism that drives us to constantly improve and value the work of others.

Our code of ethics helps us to fulfill our commitments to our clients, to generate an environment of trust and to maintain long-term relationships.


About Sigma Group

Help shape the future of ethical AI. 
Learn more about Sigma.AI and Sigma Cognition.

United States

Full stack Gen AI

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