Machine Learning Engineer

Role Description

Performacentric is seeking a Machine Learning Engineer with hands-on experience developing and deploying AI applications using Llama 3 8B, Python, and FastAPI. This role will be responsible for building production-grade AI services, optimizing model performance, developing APIs, integrating business systems, and supporting the evolution of Performacentric's AI agent platform.

The ideal candidate combines strong software engineering skills with practical machine learning experience and enjoys working in a fast-paced startup environment where they can directly influence product direction and technical architecture.

Responsibilities

• AI Model Development & Optimization
  • Deploy, configure, and optimize Llama 3 8B models for production use.
  • Develop prompt engineering, retrieval, and agentic workflows.
  • Fine-tune and evaluate LLM performance for business use cases.
  • Implement Retrieval-Augmented Generation (RAG) architectures.
  • Optimize inference performance, latency, and infrastructure utilization.
  • Monitor model quality and continuously improve response accuracy.
• Application Development
  • Build scalable AI applications using Python and FastAPI.
  • Design and maintain RESTful APIs for AI services.
  • Develop backend services supporting AI agents and copilots.
  • Integrate AI solutions with CRM, ERP, communication, and business systems.
  • Implement authentication, authorization, and API security controls.
  • Write clean, maintainable, and well-documented code.
• Data & Infrastructure
  • Build and maintain vector database integrations.
  • Develop data ingestion and preprocessing pipelines.
  • Support deployment of AI workloads in cloud and self-hosted environments.
  • Collaborate on model serving, monitoring, logging, and observability.
  • Assist with infrastructure automation and CI/CD processes.
• Collaboration
  • Work closely with product, engineering, and leadership teams.
  • Participate in architecture discussions and technical planning.
  • Contribute to AI solution design for client implementations.
  • Mentor junior developers and share best practices.

Qualifications

• 3+ years of professional software engineering experience.
• Strong proficiency in Python.
• Experience building APIs with FastAPI.
• Experience deploying and working with Llama 3 8B or similar open-source LLMs.
• Understanding of prompt engineering and LLM optimization techniques.
• Experience consuming and developing REST APIs.
• Strong understanding of Git-based development workflows.
• Familiarity with Linux environments and command-line tools.
• Experience troubleshooting and optimizing production applications.

Machine Learning Knowledge

• Understanding of machine learning fundamentals.
• Experience evaluating AI model performance.
• Familiarity with embeddings, vector search, and RAG architectures.
• Knowledge of model inference optimization techniques.
• Experience working with structured and unstructured datasets.

Preferred Qualifications

• Fine-tuning open-source LLMs.
• ML Engineering and MLOps practices.
• LangChain, LlamaIndex, Haystack, or similar frameworks.
• PostgreSQL database administration and optimization.
• Vector databases such as pgvector, Chroma, Pinecone, Weaviate, or Qdrant.
• Docker and containerized deployments.
• Kubernetes orchestration.
• Azure AI infrastructure and GPU environments.
• CI/CD pipelines and DevOps automation.
• Multi-agent AI architectures.
• Knowledge graph implementations.
• Business intelligence and analytics platforms.

Success Metrics

• Deploy and optimize production AI workloads.
• Improve AI response quality and accuracy.
• Reduce inference latency and infrastructure costs.
• Expand Performacentric's AI agent platform capabilities.
• Deliver reliable AI integrations for customer environments.
• Contribute to the development of new AI-powered products and services.

Benefits

• Opportunity to work on cutting-edge AI and agentic technologies.
• Direct influence on product architecture and technical strategy.
• Remote-first work environment.
• Competitive compensation based on experience.
• Professional growth opportunities in one of the fastest-growing areas of software development.
• Ability to help shape the future of AI-powered business transformation.

How to Apply

• Resume/CV
• Brief cover letter
• GitHub profile (if available)
• Portfolio of AI, machine learning, or software development projects
• Examples of LLM, FastAPI, or AI agent implementations (preferred)