SDE 3 (Python)
LearnTube.ai
2 - 5 years
Mumbai
Posted: 05/02/2026
Job Description
In 2024, Google selected LearnTube for itsAI First Accelerator, further fueling our growth. Alongside investment from funds of visionaries likeReid HoffmanandNaval 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 <200 ms latency.
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What You'll Do:
At LearnTube, were 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 < 2 weeks.
What makes you a great fit?
Must-Haves:
- 3+ 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) + Youve 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, were 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 dont build courses, we build AI products that create, deliver & sell personalised courses & career solutions, that are unique to each persons 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 byShronit LadhaniandGargi 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 Indias 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 thats as transformative as the products we build. Heres why this role is an incredible opportunity:
- Cutting-Edge Technology: Youll 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 youll 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 thats redefining education for millions of learners and making AI accessible to everyone.
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