Senior Full Stack Engineer (Python + Node.js/React)

We're looking for a motivated and highly skilled Senior Full Stack Engineer to join a project with a high-profile Machine Learning focused client team. This role is a prime opportunity to drive the next generation of application development, focusing on robust backend architecture, modern frontend experience, and sophisticated ML integration.

Essential functions

• Platform Refactoring: Lead the complete backend architectural refactoring to ensure high performance, scalability, and maintainability.

• ML Feature Development: Design, build, and deploy new features, specifically focusing on the integration of ML models and LLM services into the main application workflow.

• Full Stack Delivery: Develop and optimize both frontend components and backend APIs using modern, scalable frameworks and libraries.

• System Stability & Reliability: Implement continuous monitoring, maintain system stability, and provide high-priority, rapid-response support for urgent user data issues and application downtime.

• Infrastructure Management: Contribute to the design and maintenance of scalable infrastructure, focusing on autoscaling, containerization, and CI/CD best practices.

• Code Quality: Champion code quality across the team by implementing and enforcing rigorous unit testing and integration testing protocols.

Qualifications

• Backend Proficiency: Strong experience with Python (required) and building performant APIs using frameworks like FastAPI or similar.

• Frontend Expertise: Hands-on experience with modern JavaScript development, including React/Node.js and TypeScript.

• Database Management: Demonstrated experience with MongoDB, including data modeling, schema design, and performance optimization for large datasets.

• Infrastructure: Practical working knowledge of containerization using Docker and orchestration via Kubernetes, along with managing CI/CD pipelines.

• ML/AI Integration: Proven experience integrating Machine Learning models, services, or APIs (including LLMs) into production web applications.

• Modern UI Components: Experience working with modern React component libraries (e.g., TanStack Table, Shadcn UI, or similar systems).

Would be a plus

• Experience with advanced data visualization libraries (D3.js, Chart.js, Visx).

• Expertise in LLM application development, specifically with pipelines for data science or analytics (e.g., topic modeling, sentiment analysis workflows).

• Deep familiarity with the modern React ecosystem, including state management and utility libraries like Tailwind CSS.

We offer

• Opportunity to work on bleeding-edge projects

• Work with a highly motivated and dedicated team

• Competitive salary

• Flexible schedule

• Benefits package - medical insurance, sports

• Corporate social events

• Professional development opportunities

• Well-equipped office