All roles

Open role

AI Engineer - Remote

Remote · Portugal Full-time

About the position We are looking for a highly skilled AI Engineer to design, build, and deploy AI-driven applications and machine learning solutions. You’ll work closely with product, engineering, and data teams to create intelligent systems that improve automation, customer engagement, and operational efficiency. This role is ideal for someone passionate about artificial intelligence, large language models (LLMs), machine learning infrastructure, and production-grade AI systems.

Responsibilities

  • Design, develop, and deploy AI and machine learning models for real-world applications.
  • Build and optimize AI-powered tools using technologies such as OpenAI, Claude, Gemini, or open-source LLMs.
  • Develop scalable APIs and backend services for AI applications.
  • Fine-tune machine learning models and improve model performance.
  • Work with structured and unstructured datasets for training and inference.
  • Implement prompt engineering strategies and retrieval-augmented generation (RAG) pipelines.
  • Integrate AI solutions into web platforms, CRMs, and business systems.
  • Monitor AI model performance, reliability, and scalability in production.
  • Collaborate with cross-functional teams to define AI product requirements and technical roadmaps.
  • Stay updated on emerging AI technologies, frameworks, and best practices.

Requirements

  • 3+ years of experience in AI engineering, machine learning, or software engineering.
  • Strong experience with Python and AI/ML frameworks such as TensorFlow, PyTorch, LangChain, or Hugging Face.
  • Experience working with LLMs, generative AI tools, and prompt engineering.
  • Familiarity with vector databases, embeddings, and RAG architectures.
  • Knowledge of cloud platforms such as AWS, GCP, or Azure.
  • Experience building REST APIs and scalable backend systems.
  • Understanding of MLOps, model deployment, and monitoring workflows.
  • Strong problem-solving and analytical thinking skills.
  • Excellent communication and collaboration abilities.

Nice-to-haves

  • Experience working in remote or distributed teams is a plus.

Benefits

  • Competitive salary based on experience and location
  • Fully remote role with flexible work environment
  • Work on cutting-edge AI automation projects with real business impact
  • Strong growth opportunity into senior AI / systems roles
  • Exposure to LLMs, prompt engineering, and scalable AI system design
  • Direct collaboration with a fast-moving, high-performance team

More open positions

Lead Machine Learning Engineer - Remote (US) or CA - Only W2

Work from home Full-time role

Junior Machine Learning Engineer-remote/Entry level Java spring boot developer/ data scientist

Work from home Full-time role

Machine Learning Engineer, Presentation and Visual Optimization

Work from home Full-time role

Machine Learning Engineer, Presentation and Visual Optimization

Work from home Full-time role

Senior Prompt Engineer, Brand Concierge

Work from home Full-time role

[Remote] Enterprise Account Executive, Central US (Remote)

Work from home Full-time role

[Remote] Senior Product Manager, AI

Work from home Full-time role

Manager, Digital Strategy (2026 - 0199)

Work from home Full-time role

Remote Part‑Time Data Entry Specialist – Precision Data Management for careerzynith – $20/hr

Work from home Full-time role

Senior Software Engineer - Full Stack

Work from home Full-time role

Senior Customer Success Manager

Work from home Full-time role

Experience Coordination Specialist

Work from home Full-time role

Supply Chain Operations Specialist - Supply Planning

Work from home Full-time role

Live Video Support Specialist – Technical Customer Service for GPS‑Enabled Pet Tracking Devices at careerzynith

Work from home Full-time role

Experienced Customer Service Representative – Remote Work Opportunity with careerzynith

Work from home Full-time role

[Remote] Lead Strategy Consultant | Nuclear, Fusion, and Clean Technology

Work from home Full-time role

IT Project Manager

Work from home Full-time role

Remote Desktop Support Technician

Work from home Full-time role

911 Emergency Dispatcher

Work from home Full-time role

Payer & Provider Enrollment Specialist

Work from home Full-time role

Technical Support / Customer Service Representative-Remote (Night Shift) at Hirevector

Work from home Full-time role