
Required Core Tech Stack:
We're looking for engineers with hands-on experience across most of the following technologies:
- Python Backend Development (3+ years)
- FastAPI (2+ years of production experience required)
- PostgreSQL
- MongoDB
- Redis
- Docker
- Celery or equivalent async task queues
- REST APIs & Microservices
- AWS/GCP
- GitLab CI/CD
The selected Sr. Backend engineer will ship the backbone that powers 4 million + learners in 64 countries—owning APIs that crunch 1 billion learning events & the AI that supports it with <200 ms latency.
What You'll Do:
At LearnTube, we’re pushing the boundaries to revolutionize how the world learns. As a Senior Backend Engineer, your roles and responsibilities will include:
- Shipping 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 (Applicants without these skills are unlikely to move forward):
- 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) + 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)
- Observability: Prometheus, Grafana, OpenTelemetry
Why LearnTube?
- Build AI products at global scale – Your work will power learning experiences for 4M+ learners across 64 countries.
- Work directly with experienced founders – Collaborate closely with founders who are deeply involved in product and engineering decisions, giving you ownership and a direct impact on the product roadmap.
- Learn fast – Join a high-performing team where you'll own features end-to-end and solve challenging backend and distributed systems problems.
- Recognized AI startup – LearnTube is a Google Top 20 AI Startup and part of Google's AI First Startup Accelerator, with access to cutting-edge AI technology and mentorship.
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.

About LearnTube.ai
About
At LearnTube, we're reimagining how the world learns making education accessible, affordable, and outcome-driven using Generative AI. Our platform turns scattered internet content into structured, personalised learning journeys using:
- AI-powered tutors that teach live, solve doubts instantly, and give real-time feedback
- Frictionless delivery via WhatsApp, mobile, and web
- Trusted by 3.2 million learners across 64 countries
Founded by Shronit Ladhani and Gargi Ruparelia, both second-time entrepreneurs and ed-tech builders:
- Shronit is a TEDx speaker and an outspoken advocate for disrupting traditional learning systems.
- Gargi is one of the Top Women in AI in India, recognised by the government, and leads our AI and scalability roadmap.
Together, they bring deep product thinking, bold storytelling, and executional clarity to LearnTube’s vision. LearnTube is proudly backed by Google as part of their 2024 AI First Accelerator, giving us access to cutting-edge tech, mentorship, and cloud credits.
Tech stack
Candid answers by the company
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.
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We are seeking an experienced Senior Backend Engineer to join our passionate team. If you have a strong background in backend development, a track record of delivering scalable and reliable solutions, and are eager to contribute to complex projects, we would love to hear from you.
Responsibilities:
- Design and develop robust, high-performance backend solutions using Python and related technologies.
- Lead the architecture and design discussions for major backend components and services.
- Collaborate closely with cross-functional teams to gather and analyze software requirements.
- Mentor and guide junior and mid-level engineers, fostering their technical growth.
- Review code and provide constructive feedback to ensure code quality and adherence to best practices.
- Identify and address performance bottlenecks, scalability challenges, and technical issues.
- Participate in sprint planning, task estimation, and agile development processes.
- Keep up-to-date with industry trends, tools, and best practices to continuously improve our backend systems.
- Drive the adoption of coding standards, design patterns, and engineering best practices.
- Collaborate with frontend engineers to ensure seamless integration between frontend and backend components.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
- Minimum of 4 years of professional experience in backend development.
- Strong proficiency in Python and backend frameworks like Django and Flask.
- In-depth knowledge of database systems, both relational (MySQL) and NoSQL (MongoDB, etc. ).
- Proven track record of designing and developing scalable and maintainable backend services.
- Experience with RESTful API design and best practices.
- Solid understanding of software architecture, design principles, and software development lifecycle.
- Previous experience leading or mentoring engineers is a strong plus.
- Strong problem-solving skills and a proactive attitude towards challenges.
- Excellent communication skills, both verbal and written.
- Familiarity with cloud platforms (e. g., AWS, Azure, GCP) and containerization (Docker) is a plus.
Job Description: Backend Developer – Design Qandy
Who are we?
Design Qandy delivers personalised luxury interior design to India’s discerning homeowners and corporates. Led by highly admired luxury brand builders, internationally trained designers, world-class technology professionals and curated teams of turnkey project execution specailists. We seek perfection in design and are committed to bringing back trust and excitement in the design process.
Know more about us on designqandy.com and https://instagram.com/designqandy?igshid=YmMyMTA2M2Y=
Our work culture?
We are a lean team of high performing go-getters, we take ownership in our roles and lead with knowledge. Debates and discussions are an important part of our culture and we encourage people to bring unique perspectives to their conversations. Most importantly, we love solving problems.
Each day is inspiring and we encourage you to apply for this role and experience it for yourself.
What would you be required to do?
· Write code and tests, build prototypes, solve issues, profile, and analyze bottlenecks
· Design performance gauging, building robust APIs to support mobile and desktop clients
· Manage and optimize scalable distributed systems on the cloud
· Optimization of web applications for performance and scalability
· Develop automated tests to ensure business needs are met and allow for regression testing
· Participate in the entire application lifecycle, focusing on coding and debugging
· Write clean code to develop functional web applications
· Troubleshoot and debug applications
· Perform UI tests to optimize performance
· Manage cutting-edge technologies to improve legacy applications
· Collaborate with Front-end developers to integrate user-facing elements with server-side logic.
· Gather and address technical and design requirements
· Provide training and support to internal teams
· Build reusable code and libraries for future use
What skills we are looking for?
· Good communication skill to communicate with stakeholders, project managers, quality assurance teams, Regularly and other developers regarding progress on the long-term technology roadmap
· Curious and progressive mind to Create and maintain workflows with teams to provide visibility and to ensure workload balance for consistent visual designs
· Good technical knowledge to Produce quality code, raising the bar for the whole team on quality and speed
· Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives
Skills Needed:
· PHP Laravel Framework, PHP Design Patterns.
· Proficient in MySQL, PostgreSQL, MongoDB
· APIs, REST API, SOAP API, API Security, Open APIs
· Push Notifications, Laravel Events, Queue, Observers
· Excellent foundation in computer science, algorithms, and web design
· Experience writing highly secure web applications
· Experience with core AWS web-enabling technologies
· Growth mindset, challenging status quo to find new solutions and out-of-the-box ideas
· Experience designing RESTful APIs, specifically for mobile apps
· Computer science degree or equivalent experience
· Experience leading a team
· 3-6 Years’ experience in back-end development.
Responsibilities
- Produce clean, efficient code based on specifications
- Integrate software components and third-party programs
- Verify and deploy programs and systems
- Troubleshoot, debug and upgrade existing software
- Gather and evaluate user feedback
- Recommend and execute improvements
- Create technical documentation for reference and reporting
Requirements and skills
- 1-3 Years of Proven experience as a Backend Developer
- Tech Stack:
- AWS- Lambda, ECS, RDS Arora, RDS PostgreSQL, DynamoDB, S3, SQS, APIG, Cloud Front
- NodeJS
- Typescript(optional)
- Familiarity with Agile development methodologies
- Experience with software design and development in a test-driven environment
- Ability to learn new languages and technologies
- Excellent communication skills
- Resourcefulness and troubleshooting aptitude
- Attention to detail
- Desired Skills:
- Hand-on experience in creating NodeJs applications preferably using the ExpressJS, any other NodeJS framework is most welcome.
- Hand-on experience in creating frontend applications using React or Angular.
- Highly proficient in both Javascript and Typescript.
- Good command over Databases both SQL/No SQL (Mongo DB, My SQL)
- Hands-on experience of GIT (version control tools).
- Good Communication Skills.
- In-depth knowledge of Microservice Architecture.
- System Design Concepts.
- Leadership capabilities (He/she will be expected to manage team engineers as well).
Good to have Technical Skills:
Docker, Redux, Redis, MeteorJS, RxJs, GraphQL, AWS/GCP/Azure development. Core Responsibility Areas:
- Project/task understanding
- Designing and documenting
- Writing efficient, reusable, testable, and scalable code
- Understanding, analyzing, and implementing – Business needs, feature modification requests, conversion into software components
- Integration of user-oriented elements into different applications, data storage solutions
- Developing – Backend components to enhance performance and receptiveness, server-side logic, and platform, statistical learning models, highly responsive web applications
- Designing and implementing – High availability and low latency applications, data protection and security features
- Performance tuning and automation of application
- Working with Python libraries like Pandas, NumPy, etc.
- Creating predictive models for AI and ML-based features
- Keeping abreast with the latest technology and trends
- Fine-tune and develop AI/ML-based algorithms based on results
Technical Skills-
Good proficiency in,
- Python frameworks like Django, etc.
- Web frameworks and RESTful APIs
- Core Python fundamentals and programming
- Code packaging, release, and deployment
- Database knowledge
- Circles, conditional and control statements
- Object-relational mapping
- Code versioning tools like Git, Bitbucket
Fundamental understanding of,
- Front-end technologies like JS, CSS3 and HTML5
- AI, ML, Deep Learning, Version Control, Neural networking
- Data visualization, statistics, data analytics
- Design principles that are executable for a scalable app
- Creating predictive models
- Libraries like Tensorflow, Scikit-learn, etc
- Multi-process architecture
- Basic knowledge about Object Relational Mapper libraries
- Ability to integrate databases and various data sources into a unified system
- Basic knowledge about Object Relational Mapper libraries
- Ability to integrate databases and various data sources into a unified system
Job Description :
You're going to be at the core of our development team. You'll mainly be coding in Node.js. You'll be doing a little bit of everything from writing backend code that communicates with other internal services, to working with APIs, to writing code that controls EC2 instances and so on.
Requirements :
- Strong understanding of object-oriented programming and functional programming and design concepts like - dependency injection, abstract classes, interfaces, data, providers, factories, middlewares, interceptors, orm
- Strong understanding of database architecture and design principles MySQL, mongo-DB. Understanding of MongoDB’s aggregation framework is a bonus.
- Excellent knowledge of Node.js frameworks (NestJs preferred) and experience in integrating libraries, authentication, queues, jobs, logger services. Past experience in working on multi-tenant SAAS product is a bonus.
- Experience with AWS, Architecture Design, and Web development.
- 1+ years of relevant experience
- Passionate about working in a startup and creating a great product
- Must be able to show us projects and or websites that you have created. Bonus points if you’ve created these projects/websites outside of your work (we love seeing proof of how much you love technology and coding).
- Must love to program, must be willing to learn, and must be creative. If you are the type of person who finds learning a new technology or language an exhilarating experience, this is the place for you.
Responsibilities :
- Working alongside front end developers, designers, and other backend developers creating cutting edge applications
- Delivering programming solutions for a variety of challenging and exciting projects
- Testing applications to ensure they meet users' expectations
- Integrating third-party APIs
- Deliver outstanding projects within tight deadlines
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We are looking at a diligent, driven, passionate person for our efforts on engagement and retention of our customers (schools) in a high growth environment. Backend Developer will be the face of the organisation for the schools that are using the platform on a day to day basis. The Developer will interact with the schools via the chat support and email requests and resolve any issues that the schools might be facing in using the platform or extend any support they might be needing to use the platform to its fullest.
- As a Backend Developer, you will play a major role in, developing and deploying high-quality web platforms. In this multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and students, and user-test the product in real school settings.
Preferred Qualifications/Skills
* Frameworks & Technologies: Node.js
* Database: PostgreSQL, SQL
* Tools: Git basics, Scripting basics
* Soft Skills: Having a bias towards action, a good sense of design, empathy, and good communication skills
* Excellent written and oral communication skills
* Great interpersonal skills
About Toddle: ( http://www.toddleapp.com/" target="_blank">www.toddleapp.com )
Key Responsibilities:
- Lead a full product development lifecycle from ideation, design, development, to roll out and support
- Own the delivery of multiple features of the product end to end while hands-on in development as well
- Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure)
Role and Qualifications:
- 7+ Years’ of experience, managing teams of 5+ people
- Must have excellent programming, debugging and scripting skills with a solid understanding of Object Oriented Design principles.
- Proficiency in at least two of the following: Java, NodeJS, Go, JavaScript, Python programming stacks, and passion for software engineering and craftsman-like coding prowess
- Knowledge of software practices like refactoring, clean code, domain driven design, Encapsulation etc
- Hands on experience managing databases like MongoDB, Cassandra, Redis.
- Exposure to event driven systems and event streaming engines like Kafka
- Good knowledge of DevOps tooling like docker, kubernetes, ansible/chef, AWS.



















