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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.
according to our company’s needs. You will be responsible for planning, developing,
testing, improving and maintaining new and existing databases to help users retrieve
data effectively. As part of our IT team, you will work closely with developers to ensure
system consistency. You will also collaborate with administrators and clients to
provide technical support and identify new requirements. Communication and
organization skills are keys for this position, along with a problem-solution attitude.
You get to work with some of the best minds in the industry at a place where
opportunity lurks everywhere and in everything.
Responsibilities
Your responsibilities are as follows.
• Working cross functional teams to develop robust solutions aligned with the
business needs
• Maintaining communication, providing regular updates to the development
team ensuring solutions provided are fit for purpose
• Training other developers in the team on best practices and technologies
• Troubleshooting issues in the production environment understanding the root
cause and developing robust solutions
• Developing, implement, maintain and solutions that are both reliable and
scalable
• Capture data analysis requirements effectively and represent them formerly
and visually through our data models.
• Maintaining effective database performance by identifying and resolving
production and application development problems
• Optimise the integration and installation of new releases
• Monitoring system performance, test, troubleshoot and integrating new
features
• Proactively recommending solutions to improve new and existing database
systems
• Providing database support by coding utilities, resolving user questions and
problems
• Ensuring compliance to database implementation procedures
• Performing code and design reviews as per the code review process
• Installing and organising information systems to guarantee company
functionality
• Preparing accurate documentation and reports
• Migration of data from legacy systems to new solutions
• Stakeholders’ analysis of our current clients, company operations and
applications, and programming requirements
• Collaborate with functional teams across the business to deliver end-to-end
products, features enabling enhanced performance
Required Qualifications
We are looking for individuals who are curious, excited about learning, and navigating
through the uncertainties and complexities that are associated with a growing
company. Some qualifications that we think would help you thrive in this role are:
• Minimum 8 Years of experience as a Database Administrator
• Strong knowledge of data structures and database systems
• In depth expertise and hands on experience with MySQL/MariaDB Database
Management System
• In depth expertise and hands on experience in database design, data
maintenance, database security, data analysis and mining
• Hands-on experience with at least one web-hosting platform such as Microsoft
Azure, AWS (Amazon Web Services) etc.
• Strong understanding of security principles and how they apply to web
applications
• Basic knowledge of networking, Desirable knowledge of business intelligence
• Desirable knowledge of data architectures related to data warehouse
implementations
• Strong interpersonal skills and a desire to work collaboratively to achieve
objectives
• Understanding of Agile methodologies
• Bachelor/Masters of CS/IT Engineering, BCA/MCA, B Sc/M Sc in CS/IT
Preferred Qualifications
• Sense of ownership and pride in your performance and its impact on company’s
success
• Critical thinker, Team player
• Excellent trouble-shooting and problem-solving skills
• Excellent analytical and Strong organisational skills
• Good time-management skills
• Great interpersonal and communication skills
- Bachelor's Degree or equivalent experience.
- 5-8 years of experience with software development, preferably in Agile environment.
- Advanced knowledge of in software development tools, programming languages, databases, and environments, including but not limited to:
- Python 3.x, Django, functional Python, procedural Python, object oriented Python, Asynchronous Design, Micro Services, memcache, REDIS, Celery, ElastiSearch, RESTful web services, Relational (Oracle & MySQL) and Non-Relational (NOSQL & DynamoDB) databases, AWS.
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· 3+ years of experience as a Software Engineer · Deep understanding of server-side code, with experience of developing in Node.js · Must have good knowledge of Express, Rest API, WebSocket, OAuth, OpenID and Node.JS best practices · Must be able to create separate micro-service for each business domain · Experienced in unit testing and should be able to achieve code coverage of 90% plus · Can write complex algorithm with multi-threading as a part of the feature · Experience in writing asynchronous programming · Knowledge of cloud applications like in AWS · Familiarity with code versioning tools such as Git, SVN, and Mercurial · Practical experience of delivering in an agile environment · Practical experience of knowledge of developing real-world solutions and platforms · Good understanding of security and performance considerations · Understanding of architectural and design patterns · Deep understanding of SQL and NoSQL databases |
As a Backend Developer, you will work on the latest and greatest in high performance
web development, data science, community development and mobile technologies.
What you will do:
- Playing a part in defining software architectures – collaborate with leads to explore existing systems, determine areas of complexity, uncover potential risks to successful implementation, and learn the applications’ capabilities.
- Implementing solutions as per technical design for new features and changes to existing components.
- Participating in the full development lifecycle of new functionality and enhancements to existing applications.
- Committing to producing high quality, highly performing and robust software within agreed time estimates and to agreed quality standards.
- Managing all stakeholder expectations.
- Working alongside global teams.
- Taking responsibility for successful delivery.
- Being able to work in a fast paced Agile/SCRUM environment.
- Following coding standards, building appropriate unit tests, integrating tests and deployment scripts.
- Assisting in defining software architectures – Collaborating with leads to explore existing systems, determining areas of opportunities.
- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
- Contributing to continual improvement by suggesting improvements to user interface, software architecture or new technologies.
What you need to have:
- Ability to fluently code in Java Spring or similar J2EE frameworks.
- Solid knowledge of application deployment in AWS cloud, Kubernetes, Docker.
- Ability to code in ReactJS or similar Javascript frameworks.
- Proven experience with responsive design, fullstack web development, consumption/creation of RESTful APIs.
- Bachelor’s or Master’s degree in Computer Science or related engineering field w/experience in software development.
- 3-7 years of experience developing customer facing web applications.
- 3-7 years of experience in Java Spring or similar J2EE frameworks.
- 3-7 years of experience in front-end development using JavaScript, knowledge of various JavaScript libraries and micro frameworks (React, Angular, Backbone), HTML and CSS.
- 3-7 years of experience coding using object-oriented and aspect-oriented programming, architecture and design patterns.
- Strong understanding of RESTful API principles.
- Strong understanding of security best practices.
- Strong experience with unit testing and end-to-end testing.
- Knowledge of : Programming languages Java 8, J2EE, Node.js, Design Patterns, HTML, CSS, JavaScript Web and cloud Technologies RESTful web services, Cloud functions, Amazon Web Services, SEO/ Sitemap, Serverless
- architecture, JSON Database Management MySQL, PostgreSQL, Elasticsearch, Firebase realtime database, Hibernate, Liquibase, Percona, Redis, Memcached Frameworks, Libraries and Tools Dropwizard, Jersey,
- Expressjs, RabbitMQ Web / Application Server Nginx Other Tools and Utilities Eclipse, VS Code, Postman, Git, Gradle, Maven, Imagemagick, Jmeter Operating Systems Linux, Windows.
- Experience in implementing Material Design UI and UX for customer centric frontend.
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Requirements
- At least 1 - 3 years experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
Key Skill
Node.Js, Object Oriented Programming, Java Script, HTML/HTML5, CSS/CSS3
1. Strong knowledge in Front end scripting like EJS, JavaScript, Jquery.
2. Proficiency with fundamental front-end languages such as HTML, CSS.
3. Familiarity with JavaScript frameworks such as Angular JS, React, and Amber.
4. Proficiency with server-side languages such as Python / Ruby / Java / PHP/ .Net.
5. Good Understand with database technology such as MySQL, Oracle, and MongoDB.
Node.js and frameworks available for it - Express, StrongLoop, etc
Understanding the nature of asynchronous programming and its quirks and workarounds
Integration of user-facing elements developed by front-end developers
front-end technologies - HTML5, and CSS3
Writing scalable, reusable, testable, and efficient code









