Website:
controlshiftai.com
Job details:
Fullstack - Fast API Developer + AI/ML Integration
About ControlShift AI
ControlShift AI (CSAI) is building the AI-powered full-funnel growth platform for service-based small and medium businesses (SMBs). From attracting new leads to converting them into customers—and supporting them post-sale—we enable SMBs to automate and scale their entire customer journey without increasing headcount.
Our platform combines:
Intelligent Voice, Chat & Avatar Agents for sales, support, and operations
AI-driven content generation and publishing to increase visibility
Smart lead capture and qualification workflows
- Automated appointment booking and follow-ups
- Seamless integration with the tools SMBs already use
Whether you're a healthcare, real estate agent, tutor, coach, or startup, ControlShift AI helps you turn traffic into conversations, conversations into leads, and leads into booked customers—autonomously.
We're a fast-growing early-stage startup based in Sydney, Australia, and we’re passionate about giving SMBs access to the kind of automation and AI power previously reserved for large enterprises.
Our mission is simple but bold:
Put intelligent, scalable automation in the hands of every small business.
Role Overview
We’re looking for a FastAPI Developer (Freelance) with experience in AI/ML model integration to help us develop and maintain backend systems that power our intelligent agent platform. You'll play a hands-on role in building scalable APIs and integrating AI-driven features, collaborating with a lean, motivated team.
Responsibilities
• Design and maintain RESTful APIs using FastAPI(Mandatory)
• Integrate AI/ML models from OpenAI, Claude, HuggingFace, and others into backend workflows
• Write clean, testable, and efficient code using modern Python best practices
• Optimize performance for speed and scalability
• Collaborate remotely with cross-functional teams on product features
• Troubleshoot, debug, and deploy solutions using Docker and CI/CD pipelines
Qualifications
• 5+ years of Python backend development
• Strong skills in FastAPI, Pydantic, and asyncio
• Proficient in OOP and software engineering principles
• Experience integrating LLMs, vector databases, or AI APIs
• Familiarity with Docker, cloud deployment (AWS, Azure, etc.), and CI/CD workflows
• Bonus: experience with LangChain, RAG pipelines, voice agents or AI Agent frameworks
• Self-motivated and comfortable working in a fully remote environment
• Bachelor’s degree in Computer Science or equivalent practical experience
Why Work With Us?
• Join a fast-moving AI startup shaping automation for SMBs
• Work directly with the founder and influence tech decisions
• Flexible, remote-first work culture
• Opportunity to transition into long-term or equity-based role
• Solve real-world problems with real impact
How to Apply
Send your CV, GitHub profile, and a short note about your most interesting AI integration project to: sulakshana@controlshiftai.com Or apply directly via LinkedIn.
Click on Apply to know more.