
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 <200 ms latency.
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! -https://bit.ly/LT_Python
What You'll Do:
At LearnTube, we’re pushing the boundaries of Generative AI to revolutionize how the world learns. As a Backend Engineer, 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) + 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.

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 2.2 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.
Photos
Similar jobs
Senior BackEnd Engineer
The ideal candidate will have a strong background in building scalable applications, a deep understanding of back-end technologies, and experience with cloud infrastructure. As a Back End Engineer, you will be responsible for designing, developing, and maintaining a scalable workflow management system. You will work closely with cross-functional teams to build robust and efficient applications that meet the needs of our users. Your expertise in Scala, Python, AI Agents/APIs, and GCP will be crucial in ensuring our system is reliable, performant, and scalable.
Key Responsibilities:
Back-End Development:
- Build and maintain back-end services and APIs using Scala.
- Implement and optimize Orchestration workflow system involving database queries and operations.
- Build API integrations with Third Party APIs and services.
- Ensure robust and scalable server-side logic.
Cloud Integration:
- Deploy, manage, and monitor applications on Google Cloud Platform (GCP).
- Utilize GCP services to enhance application performance and scalability.
- Implement cloud-based solutions for data storage, processing, and analytics.
Collaboration And Communication:
- Work closely with cross-functional teams to define, design, and ship new features.
- Participate in code reviews and contribute to sharing team knowledge.
- Document development processes, coding standards, and project requirements.
Qualifications:
- Educational Background:
- Completed a masters/bachelor degree in Computer Science, Engineering, or a related field.
- Technical Skills:
- Proficiency in Scala programming language.
- Strong experience with React and ReactJS.
- Familiarity with Google Cloud Platform (GCP) and its services.
- Knowledge of front-end development tools and best practices.
- Understanding of RESTful API design and implementation.
- Soft Skills:
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration abilities.
- Eagerness to learn and adapt to new technologies and challenges.
Preferred Qualifications:
- Experience with version control systems such as Git.
- Familiarity with CI/CD pipelines and DevOps practices.
- Understanding of workflow management systems and their requirements.
- Experience with containerization technologies like Docker.
Must have Skills
- Scala - 4 Years
- React.Js - 1 Years
- RESTful API - 4 Years
- Docker - 2 Years
- Python - 3 Years
- Artificial Intelligence - 2 Years
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
Job Title -Senior Java Developers
Job Description - Backend Engineer - Lead (Java)
Mumbai, India | Engineering Team | Full-time
Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?
Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?
If so, this is an opportunity for you to join a high-functioning team and make your mark on our organisation!
The Impact you will create:
- Build campaign generation services which can send app notifications at a speed of 10 million a minute
- Dashboards to show Real time key performance indicators to clients
- Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
- Building highly available & horizontally scalable platform services for ever growing data
- Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
- Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
- You will build backend services and APIs to create scalable engineering systems.
- As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
- You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
- Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
- Identify and improvise areas of improvement through data insights and research.
What we look for?
- 5-9 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
- Solid understanding of engineering best practices, continuous integration, and incremental delivery.
- Strong analytical skills, debugging and troubleshooting skills, product line analysis.
- Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
- Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
- Ability to design application modules using various concepts like object oriented, multi-threading, synchronization, caching, fault tolerance, sockets, various IPCs, database interfaces etc.
- Hands on experience on Redis, MySQL and streaming technologies like Kafka producer consumers and NoSQL databases like mongo dB/Cassandra.
- Knowledge about versioning like Git and deployment processes like CICD.
What’s in it for you?
- Immense growth, continuous learning and deliver the best to the top-notch brands
- Work with some of the most innovative brains
- Opportunity to explore your entrepreneurial mind-set
- Open culture where your creative bug gets activated.
If this sounds like a company you would like to be a part of, and a role you would thrive in, please don’t hold back from applying! We need your unique perspective for our continued innovation and success!
So let’s converse! Our inquisitive nature is all keen to know more about you.
Skills
JAVA, MONGO, Redis, Cassandra, Kafka, rabbitMQ
- Lead multiple client projects in the organization.
- Define & build technical architecture for projects.
- Introduce & ensure right coding standards within the team and ensure that it is maintained in all the projects.
- Ensure the quality delivery of projects.
- Ensure applications are confirmed to security guidelines wherever required.
- Assist pre-sales/sales team for converting raw requirements from potential clients to functional solutions.
- Train fellow team members to impose the best practices available.
- Work on improving and managing processes within the team.
- Implement innovative ideas throughout the team to improve the overall efficiency and quality of the team.
- Ensure proper communication & collaboration within the team
Requirements
7+ Years of experience in developing large scale applications.
Solid Domain Knowledge and experience with various Design Patterns & Data Modelling (Associations, OOPs Concepts etc.)
Should have exposure to multiple backend technologies, and databases - both relational and NOSQL databases
Should be aware of latest conventions for APIs
Preferred hands-on experience with GraphQL as well as REST API
Must be well-aware of the latest technological advancements for relevant platforms.
Advanced Concepts of Databases - Views, Stored Procedures, Database Optimization - are a good to have.
Should have Research Oriented Approach
Solid at Logical thinking and Problem solving
Solid understanding of Coding Standards, Code Review processes and delivery of quality products
Experience with various Tools used in Development, Tests & Deployments.
Sound knowledge of DevOps and CI/CD Pipeline Tools
Solid experience with Git Workflow on Enterprise projects and larger teams
Should be good at documentation at project level and code level ; Should have good experience with Agile Methodology and process
Should have a good understanding of server side deployment, scalability, maintainability and handling server security problems.
Should have good understanding on Software UX
Proficient with communication and good at making software architectural judgments
Expected outcomes
- Growing the team and retaining talent, thus, creating an inspiring environment for the team members.
- Creating more leadership within the team along with mentoring and guiding new joiners and experienced developers.
- Creating growth plans for the team and preparing training guides for other team members.
- Refining processes in the team on a regular basis to ensure quality delivery of projects- such as coding standards, project collaboration, code review processes etc.
- Improving overall efficiency and team productivity by introducing new methodologies and ideas in the team.
- Working on R&D and employing innovative technologies in the company.
- Streamlining processes which will result in saving time and cost optimization
- Ensuring code review healthiness and shipping superior quality code
Benefits
- Unlimited learning and growth opportunities
- A collaborative and cheerful work environment
- Exceptional reward and recognition policy
- Outstanding compensation
- Flexible work hours
- Opportunity to make an impact as your work will directly contribute to our business strategy.
At Nickelfox, you have a chance to craft a career path as unique as you are and become the best version of YOU. You will be part of a team with a ‘no limits’ mindset in an inclusive, people-focused culture. And we’re counting on your unique perspective to help Nickelfox grow even faster.
Are you passionate about tech? Dedicated to learning? Come, join us to build an extraordinary experience for yourself and a dignified working world for all.
What makes Nickelfox a great place for you?
In Nickelfox, you’ll join a team whose passion for technology and understanding of business has driven the company to serve clients across 25+ countries in just five years. We partner with our customers to fuel their growth story and enable them to make the right decisions with our customized technology services and insights. All in all, we are passionate to see our customers win the day. This is the reason why 80% of our business comes from repeat clients.
Our mission is to provide dignified employment and an environment that recognizes the uniqueness of every individual and values their expertise, and contribution. We have a culture that encourages everyone to bring their authentic selves to work. Our people enjoy a collaborative work environment with exceptional training and career development. If you like working with a curious, youthful, high-performing team, Nickelfox is the place for you.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/ B.E. /M. Tech/ BCA / MCA or a related technical discipline from reputed universities
Skills Required :
- Minimum 1+ years of experience in REST API development using python.
- Must have experience with anyone popular python frameworks like Django, Flask, and FastAPI Framework.
- Experience in designing and developing Restful Web services and Remote procedure calls.
- Able to integrate multiple data sources and databases into one system
- Knowledge of load testing and optimizing code for performance, security, and scalability
- Experience with Unit testing frameworks in Python
- Knowledge of modern authorization & authentication mechanisms.
- Able to create database schemes that represent and support business processes
- Knowledge of Version Control System & basics of CI/CD
- Write and maintain technical documentation
- Solid foundation in OOPS, Data structures, and Algorithms
- Knowledge of SDLC phases of project development.
- Experience in one or more No SQL Databases such as MongoDB, and Cassandra.
- Experience with event-based databases and programming
- Good experience in synchronous programming and thread-based programming.
- Experience with schedulers.
- Good to have knowledge of Linux shell commands.
- Good to have experience in Kubernetes & Docker
- Knowledge of any Cloud Service like GCP or AWS would be an added advantage
- Cares deeply about writing Quality, Testable & Modular code
- Good to have an understanding of NLP.
● Good knowledge of Dimensional data warehouse systems
● Reporting data models with SSIS and MS SQL Server
● Knowledge on all aspects of BI preferably data modeling, data
● integration, data analysis and reporting
● Good working knowledge of MS Azure environment
● Knowledge of BI tools like Tableau or PowerBI
● Good communication skills
Comes with the opportunity to upskill on Big Data cluster
1. Be a visible leader to drive and own the architecture and design of some of the most advanced & complex software systems / products in the industry to create company wide impact
2. Design systems that can scale to billions of data records in micro service architecture
3. Design and develop full stack product features based on customer and business requirements
4. Be an operational and technical leader with a passion for distributed systems, cloud service development, deployment and delivery
5. Technically Hands-on with scalable Architecture managing team of (30+) Sr. Engineers / Engineers, and coaching mentoring while maintaining a hands-on role with code development
6. Drive code and design reviews of components / systems / products in scope and drives the architectural governance for them
7. Set directional paths for the teams/department for adoption of new technology stacks for solving business problems
8. Be a very visible representative of multiple technology domains and represent Salesken in external technical forums
9. Teamwork skills, flexibility, and ability to handle multiple tasks
10. Bring in software engineering life cycle best practice
11. Analytical and problem-solving skills
Desired Candidate Profile
1. Strong Java, Java 8 including OOAD design patterns
2. A solid engineer with must have knowledge and experience of Micro services design, security designs, and best practices
3. Excellent knowledge and skills in the areas of Java, Spring Boot, JSP/Servlet, J2EE design patterns, App server & Web servers
4. Strong hands-on technology experience building and running large scale systems handling multi-million sessions/transactions per day
5. Excellent knowledge of RDBMS, NoSQL databases like MySQL and Cassandra
6. Strong design/development experience in building massively large scale distributed internet systems and products
7. Excellent programming skills in Java and expertise in multi-threading and performance oriented programming
8. Sound knowledge of cloud platforms like GCP, AWS, Azure, etc
9. Solid experience in Distributed systems, highly scalable products, performance & reliability
10. Excellent understanding of processing platforms and queues
11. Excellent understanding of standard protocols such as HTTP/HTTPS, DNS, SSL, etc
12. Experience and knowledge of open source software, frameworks and broader cutting edge technologies around server side development in Java
Mandatory Skills:
- Good Coding Skills
- Hands on Experience on C#
- Indexer
- Object Oriented concepts using C#
- Linq
- Generics
- Delegates
- File IO
- GAC concepts
- MVC
- Entity framework
- .Net Core Concepts
- Web-API
- Sql Queries
Secondary Skills:
- Knowledge of Angular/React/Vue/Java Script/ Type Script
- Knowledge of HTML and CSS
- SQL Server and PL/SQL
- Understanding of Design Patterns
Interpersonal Skills:
- Good in communications (Verbal and Written)
- Should have worked individually or in team
Job Description:
Our Customer is building and configuring New Dealer Management Software (DMS) for the Indian continent. DMS will be executed in multiple phases, Our customer is looking for a full stack developer to execute the project. The candidate will be working extensively on C#, MVC and Entity framework and helping Devops team to smoothen the release process


















