Senior Backend Engineer (Python)

Role Overview: As a Backend Developer at LearnTube.ai you will ship the backbone that powers 2.3 million learners in 64 countries - owning APIs that crunch 1 billion learning events & the AI that supports it with Want to fast-track your application? Skip the wait and get noticed faster by completing our AI-powered screening. Click this link to start your quick interview. It only takes a few minutes and could be your shortcut to landing the job! What You'll Do: At LearnTube, we’re pushing the boundaries of Generative AI to revolutionise how the world learns. As a Backend Engineer, you will be building the backend for an AI system and working directly on AI. Your roles and responsibilities will include: Ship Micro-services – Build FastAPI services that handle ≈ 800 req/s today and will triple within a year (sub-200 ms p95). Power Real-Time Learning – Drive the quiz-scoring & AI-tutor engines that crunch millions of events daily. Design for Scale & Safety – Model data (Postgres, Mongo, Redis, SQS) and craft modular, secure back-end components from scratch. Deploy Globally – Roll out Dockerised services behind NGINX on AWS (EC2, S3, SQS) and GCP (GKE) via Kubernetes. Automate Releases – GitLab CI/CD + blue-green / canary = multiple safe prod deploys each week. Own Reliability – Instrument with Prometheus / Grafana, chase 99.9 % uptime, trim infra spend. Expose Gen-AI at Scale – Publish LLM inference & vector-search endpoints in partnership with the AI team. Ship Fast, Learn Fast – Work with founders, PMs, and designers in weekly ship rooms; take a feature from Figma to prod in What makes you a great fit? Must-Haves: 2+ yrs Python back-end experience (FastAPI) Strong with Docker & container orchestration Hands-on with GitLab CI/CD, AWS (EC2, S3, SQS) or GCP (GKE / Compute) in production SQL/NoSQL (Postgres, MongoDB) + You’ve built systems from scratch & have solid system-design fundamentals Nice-to-Haves: k8s at scale, Terraform, Experience with AI/ML inference services (LLMs, vector DBs) Go / Rust for high-perf services Observability: Prometheus, Grafana, OpenTelemetry About Us: At LearnTube, we’re on a mission to make learning accessible, affordable, and engaging for millions of learners globally. Using Generative AI, we transform scattered internet content into dynamic, goal-driven courses with: AI-powered tutors that teach live, solve doubts in real time, and provide instant feedback. Seamless delivery through WhatsApp, mobile apps, and the web, with over 1.4 million learners across 64 countries. Meet the Founders:  LearnTube was founded by Shronit Ladhani and Gargi Ruparelia , who bring deep expertise in product development and ed-tech innovation. Shronit, a TEDx speaker, is an advocate for disrupting traditional learning, while Gargi’s focus on scalable AI solutions drives our mission to build an AI-first company that empowers learners to achieve career outcomes. We’re proud to be recognised by Google as a Top 20 AI Startup and are part of their 2024 Startups Accelerator: AI First Program, giving us access to cutting-edge technology, credits, and mentorship from industry leaders. Why Work With Us?   At LearnTube, we believe in creating a work environment that’s as transformative as the products we build. Here’s why this role is an incredible opportunity: Cutting-Edge Technology:  You’ll work on state-of-the-art generative AI applications, leveraging the latest advancements in LLMs, multimodal AI, and real-time systems. Autonomy and Ownership:  Experience unparalleled flexibility and independence in a role where you’ll own high-impact projects from ideation to deployment. Rapid Growth:  Accelerate your career by working on impactful projects that pack three years of learning and growth into one. Founder and Advisor Access:  Collaborate directly with founders and industry experts, including the CTO of Inflection AI, to build transformative solutions. Team Culture:  Join a close-knit team of high-performing engineers and innovators, where every voice matters, and Monday morning meetings are something to look forward to. Mission-Driven Impact:  Be part of a company that’s redefining education for millions of learners and making AI accessible to everyone.

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