Senior Backend Engineer (Python, AI, EdTech)

Stack

Responsibilities

• ▹Lead the design and evolution of the backend architecture (microservices, event-driven systems, AWS serverless, data pipelines)
• ▹Drive technical decisions and ensure best practices in code quality, security and scalability
• ▹Mentor and support backend developers, reviewing code
• ▹Design and build robust APIs and data flows powering AI-driven language learning features
• ▹Partner with Product and Data Science teams to turn cutting-edge AI models into real-world educational experiences
• ▹Anticipate technical risks, propose solutions and balance speed with long-term scalability

Requirements

• ▹5+ years of professional backend engineering experience (Python 3.8+ is a must)
• ▹Proven track record in system design, architecture and scaling distributed systems
• ▹Strong knowledge of PostgreSQL, Redis, FastAPI, SQLAlchemy and Celery
• ▹Hands-on experience with microservices and the AWS serverless stack (Lambda, SQS/SNS, EventBridge, etc.)
• ▹Solid understanding of software engineering best practices: code reviews, testing, CI/CD, observability, security
• ▹Experience mentoring developers or leading technical initiatives
• ▹Fluent English

Nice to have

• ▹Background in startups or high-growth environments
• ▹Exposure to edtech or e-commerce platforms
• ▹Interest in data-intensive systems

Soft skills

What we offer

• ▹100% remote, flexible schedule (core hours GMT+3)
• ▹Small, highly skilled team where your decisions have direct impact
• ▹Culture of ownership, trust and learning, with room to grow into a Tech Lead / Architect role
• ▹Unlimited paid time off
• ▹Competitive compensation, bonuses and stock options

About the company

Novakid is building one of the world's most engaging online English-learning platforms for kids, with 80,000+ students and 2,500+ teachers across 15+ countries, creating a personalized, AI-driven learning experience.