AI Engineer

Hackajob
Hackajob

Software Engineering, Data Science

United States

Posted on Jun 27, 2026
hackajob is collaborating with Leo Technologies to connect them with exceptional professionals for this role.

Role

  • This is a remote, WFH role.
  • As an ML Engineer (Generative AI), on our Data Science team, you will be at the forefront of leveraging Large Language Models (LLMs) and cutting-edge AI techniques to create transformative solutions for public safety and intelligence workflows.
  • You will apply your expertise in LLMs, Retrieval-Augmented Generation (RAG), semantic search, Agentic AI, GraphRAG, and other advanced AI solutions to develop, enhance, and deploy robust features that enable real-time decision-making for our end users.
  • You will work closely with product, engineering, and data science teams to translate real-world problems into scalable, production-grade solutions.
  • This is an individual contributor (IC) role that emphasizes technical depth, experimentation, and hands-on engineering.
  • You will participate in all phases of the AI solution lifecycle, from architecture and design through prototyping, implementation, evaluation, and continuous improvement.

Core Responsibilities

  • Design, build, and optimize AI-powered solutions using LLMs, RAG pipelines, semantic search, GraphRAG, and Agentic AI architectures.
  • Implement and experiment with the latest advancements in large-scale language modeling, including prompt engineering, model fine-tuning, evaluation, and monitoring.
  • Collaborate with product, backend, and data engineering teams to define requirements, break down complex problems, and deliver high-impact features aligned with business objectives.
  • Inform robust data ingestion and retrieval pipelines that power real-time and batch AI applications using open-source and proprietary tools.
  • Integrate external data sources (e.g., knowledge graphs, internal databases, third-party APIs) to enhance the context-awareness and capabilities of LLM-based workflows.
  • Evaluate and implement best practices for prompt design, model alignment, safety, and guardrails for responsible AI deployment.
  • Stay on top of emerging AI research and contribute to internal knowledge-sharing, tech talks, and proof-of-concept projects.
  • Author clean, well-documented, and testable code; participate in peer code reviews and engineering design discussions.
  • Proactively identify bottlenecks and propose solutions to improve system scalability, efficiency, and reliability.

What We Value

  • Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Data Science, or a related field.
  • 5+ years of hands-on experience in applied AI, NLP, or ML engineering (with at least 2 years working directly with LLMs, RAG, or semantic search).
  • Deep familiarity with LLMs (e.g. OpenAI, Claude, Gemini), prompt engineering, and responsible deployment in production settings.
  • Experience designing, building, and optimizing RAG pipelines, semantic search, vector databases (e.g. ElasticSearch, Pinecone), and Agentic or multi-agent AI workflows.
  • Exposure to GraphRAG or graph-based knowledge retrieval techniques is a strong plus.
  • Strong proficiency with modern ML frameworks and libraries (e.g. LangChain, LlamaIndex, PyTorch, HuggingFace Transformers).
  • Ability to design APIs and scalable backend services, with hands-on experience in Python.
  • Experience building, deploying, and monitoring AI/ML workloads in cloud environments (AWS, Azure) using services like AWS SageMaker, AWS Bedrock, AzureAI, etc.
  • Familiarity with MLOps practices, CI/CD for AI, model monitoring, data versioning, and continuous integration.
  • Demonstrated ability to work with large, complex datasets, perform data cleaning, feature engineering, and develop scalable data pipelines.
  • Excellent problem-solving, collaboration, and communication skills; able to work effectively across remote and distributed teams.
  • Proven record of shipping robust, high-impact AI solutions, ideally in fast-paced or regulated environments.

Technologies We Use

  • Cloud & AI Platforms: AWS (Bedrock, SageMaker, Lambda), AzureAI, Pinecone, ElasticCloud, Imply Polaris.
  • LLMs & NLP: HuggingFace, OpenAI API, LangChain, LlamaIndex, Cohere, Anthropic.
  • Backend: Python (primary), Elixir (other teams).
  • Data Infrastructure: ElasticSearch, Pinecone, Weaviate, Apache Kafka, Airflow.
  • Frontend: TypeScript, React.
  • DevOps & Automation: Terraform, EKS, GitHub Actions, CodePipeline, ArgoCD.
  • Monitoring & Metrics: Grafana (metrics dashboards, alerting).
  • Testing: Playwright for end-to-end test automation.
  • Other Tools: Mix of open-source and proprietary frameworks tailored to complex, real-world problems.

What You Can Expect

  • Work from home opportunity
  • Enjoy great team camaraderie.
  • Thrive on the fast pace and challenging problems to solve.
  • Modern technologies and tools.
  • Continuous learning environment.
  • Opportunity to communicate and work with people of all technical levels in a team environment.
  • Grow as you are given feedback and incorporate it into your work.
  • Be part of a self-managing team that enjoys support and direction when required.
  • 3 weeks of paid vacation - out the gate!!
  • Competitive Salary.
  • Generous medical, dental, and vision plans.
  • Sick, and paid holidays are offered.