Python Backend Developer (AI)

We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other brokers. We're looking for a Python Backend Developer (AI) - an engineer who knows how to turn neural networks into real, working product features: launching, adapting, and optimizing models, and integrating them into a production-ready system. What we're building We're creating the AI IDE of the future - an intelligent environment for developers and AI enthusiasts across desktop, mobile, and web. It's a place where you can build not just code, but also images, audio, video, and design - powered by cutting-edge LLM agents. This is an AI startup inside a stable product company, right at the exciting early stage. We've already built our MVP, are testing before release, and have real users and a strong team of engineers on board. Our product uses advanced AI models and technologies, including:

• The latest LLMs.
• Modern AI tools like RAG, LangChain, LoRA, and more.
• Various model types - image, video, audio, etc.
• AI agents and pipelines.

We work in the GMT+3 time zone (team daily meetings are at 12:00 pm)., * Developing the backend of an AI IDE, responsible for integrating LLM models into the product.

• Building RAG components and pipelines using LangChain, LlamaIndex.
• Deploying, configuring, and optimizing large language models (LLMs) - both cloud-based and local.
• Designing and maintaining REST/gRPC APIs for interaction with AI modules.
• Integrating multimodal models (via API and locally).
• Working with image, video, and audio generation using Flux, Qwen, OpenAI, Google, Sora, Kling, Suno, and others.
• Building services for context, prompt, and request management for AI models.
• Building next-generation AI features for smart code generation and seamless autocompletion.
• Optimizing the performance, scalability, and stability of AI features.
• Owning technical tasks end-to-end - from concept to release and maintenance.
• Collaborating closely with AI engineers to turn ideas into production features.

Do you have experience in gRPC?, Do you have a Master's degree?, * 3+ years of experience in Python backend development.

• 2+ years working with AI tools (RAG, LangChain).
• Hands-on experience building intelligent pipelines and agents - LangChain, LlamaIndex, Autogen, or your own solutions.
• Experience integrating models into production features (via APIs, OpenAI, Claude, etc.).
• Understanding of LLM architecture and experience using models via API/SDK.
• Solid skills in designing microservices and REST/gRPC APIs.
• Experience with multimodal systems - generating/processing images, video, and sound.
• Strong database knowledge (PostgreSQL, Redis).
• Experience with Docker, Kubernetes, CI/CD.
• Independence, clean code, and the ability to deliver features fast and reliably.
• A genuine passion for AI and startups.
• Fluent Russian, English B1., * Hands-on experience with LLM.
• Prompt engineering background.
• Advanced LangChain scenarios.
• Experience working with vector databases.

• Full-time remote work (External Vendor contract).
• Competitive compensation (EUR, USD, or crypto).
• Flexible working hours.
• The opportunity to show creativity, generate ideas, and directly influence the architecture of the AI product.
• Access to cutting-edge AI tools and platforms.
• A team of professionals specializing in AI.
• Positive and friendly atmosphere.

With a team of 500+ creative and tech-driven people across the globe, Quadcode is the place where ideas turn into impact, where every project is a chance to grow, innovate, and make your mark.