Senior Backend Engineer
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Key skills for this role
About the Role
Seeking an experienced backend engineer skilled in Python, FastAPI, and distributed services to lead consumer projects and enhance user experience.
Key Skills for This Role
Responsibilities
- Design, develop, integrate, validate and operate new projects, features, bug fixes and improvements
- Architect and implement backend solutions with Python, FastAPI, databases, cache layers, message brokers, and transport protocols
- Collaborate with mobile, web, data, product, and design teams
- Write clean, maintainable, testable code following clean architecture principles
- Utilize Terraform, Docker, and AWS for infrastructure and deployment
- Continuously improve processes and automate tasks
- Work closely with AI experts to build data driven language learning approaches
Requirements
- Strong background in Python, FastAPI, distributed services architecture
- Proven track record of leading B2C/Consumer projects
- Experience with AI/LLM space
- Experience with databases (PostgreSQL, MongoDB), cache layers (Redis, Valkey), message brokers (Kafka, Redis Queues, Amazon SQS)
- Experience with Terraform, Docker, AWS ECS/EKS
- Ability to write unit, integration, e2e tests
Full Job Posting
Company Overview
- Praktika is an AI native education company focused on language learning using generative AI avatars.
- Since 2023, grown to over 2 million monthly active users, top 4 learning apps globally, closed $30M Series A.
- Fully distributed team of ~50 people across 4 continents, working asynchronously.
What You'll Do
- Design, develop, integrate, validate and operate new projects, features, bug fixes and other improvements.
- Architect and implement backend solutions with Python (FastAPI, asyncio), Databases (PostgreSQL, MongoDB), Cache layers (Redis, Valkey), Message Brokers (Kafka, Redis Queues, Amazon SQS) and transport protocols (Rest APIs, Websockets, SSE, WebRTC with LiveKit).
- Work with teams directly: Mobile (Swift, Flutter), Web (React, Javascript), Data Analyst, Product, Designers on integrating new solutions.
- Develop well architected, clean, maintainable, and testable code following clean architecture principles and ADRs.
- Write unit, integration, e2e tests to comprehensively own quality and support CI/CD.
- Utilize Terraform for IaC, Docker for containerization, AWS ECS or EKS for deployments.
- Work with AWS infrastructure and apply DevOps best practices.
- Continuously improve processes and automate incoming requests from other teams.
- Work closely with AI experts to build data driven approaches to language learning.
How We Work
- High velocity: Rapid experimentation, lean autonomous teams, minimal bureaucracy.
- Get things done: Commit and deliver in 1 week cycles, no handovers.
- AI first: Use AI to move faster with higher quality results across the company.
- Excellence everywhere: Highest technical and product quality.
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