SDE 3 (Python)

In 2024, Google selected LearnTube for its AI First Accelerator, further fueling our growth. Alongside investment from funds of visionaries like Reid Hoffman and Naval Ravikant, we set out on a mission to reimagine how billions will learn and grow.

Want to be the driving force behind our next wave of growth?
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

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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 accelerate a billion careers.
We are growing fast; already helping 2.8 million global users learn & showcase their skills in an accessible, affordable, and engaging manner.
At LearnTube, we don’t build courses, we build AI products that create, deliver & sell personalised courses & career solutions, that are unique to each person’s goals & backgrounds.
We are backed by Google and the funds of Bill Gates, Naval, Reid Hoffman & Founders/CXOs of Udemy, Maven, Flipkart, Jupiter, Edmodo, PayU, Inflection AI, etc.

Meet the Team:
LearnTube was founded by Shronit Ladhani and Gargi Ruparelia, who bring deep expertise not only in product & education but also in building & scaling large businesses.

Shronit, is an educator, TEDx speaker, state topper & early angel investor in some of India’s top startups. While Gargi has previously built the B2B-to-B2C & offline-to-online transition that helped her last business go public

We are a young, passion (and coffee) fueled team comprising of IIT-grads to college dropouts who are all re-defining how the World learns.

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, Agents, 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.
Exponential 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 humans, 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.