Senior Fullstack Developer (Python + React)

Who is H2B Group?

We are a consulting company that helps clients automate business processes using AI and supports IT professionals in growing their careers in a B2B model. We offer projects in various industries, including fintech, medtech, edutech, and industrial automation. Through close collaboration, we help our clients achieve fast and measurable results while providing IT specialists with opportunities for career growth and valuable experience.

Why Work With Us?

✨ Flexibility – You choose projects that match your skills and interests, with the option to switch roles within our company or the wider Euvic Group, of which we are a part

💡 Transparency – Clear rules of cooperation and full transparency regarding compensation and contract terms

🚀 Speed – Our efficient processes help you quickly find or change a project that fits your competencies

🌟 Growth Opportunities – Work on innovative projects that help you develop key skills and gain valuable experience

For our client’s project, we are looking for a Senior Fullstack Developer (Python + React).

🧠 About the Client:

An international marketing agency with a mature, well-established tech department. They deliver innovative projects for global brands and place strong emphasis on collaboration quality and proven experience. They’re looking for an independent developer capable of taking ownership and communicating directly with stakeholders.

🚀 About the Project:

The project is currently in its discovery phase. The main objective is to integrate three distinct systems:

• a data analytics platform

• a marketing data system

• and a third system (currently under analysis)

The long-term vision includes building a platform with AI/LLM features (e.g., a chatbot that analyzes marketing campaign performance). The initial phase will focus on requirement analysis, integration design, and starting development from scratch.

✅ Must-Haves:

• Strong experience with Python and the FastAPI framework

• Solid knowledge of React.js

• Working experience with AWS (infrastructure setup, deployments)

• Ability to design and build applications from the ground up

• Direct communication with clients: requirement gathering, technical discussions

• Basic DevOps skills (CI/CD, containerization, environment setup)

• Independence and a proactive approach

• English proficiency (B2+ or higher)

🌟 Nice-to-Haves:

• Experience with LLM / Chatbots / AI

• Familiarity with Power BI

• Background in system integrations

• Experience in marketing or advertising data analytics

🔧 Responsibilities:

• Collaborate with the client during the discovery phase

• Analyze systems and gather requirements

• Design and build the platform architecture

• Develop the backend with FastAPI

• Build the frontend in React.js

• Work closely with client-side teams on system and data integrations

• Ensure code quality, testing, and basic DevOps tasks

• (Later) Contribute to LLM/chatbot features

What We Offer:

• Remote work – flexibility that allows you to work from anywhere in the world

• Engaging projects – matched to your skills and interests, with opportunities to work on innovative solutions

• B2B contract with no exclusivity clause – collaborate with us on your own terms

• Professional growth – working with the latest technologies across diverse projects ensures continuous development