Lead Backend Engineer(Javascript)

Job Overview:

We are looking for a skilled Senior Backend Engineer to join our team. The ideal candidate will have a strong foundation in Java and Spring, with proven experience in building scalable microservices and backend systems. This role also requires familiarity with automation tools, Python development, and working knowledge of AI technologies.

Responsibilities:

• Design, develop, and maintain backend services and microservices.
• Build and integrate RESTful APIs across distributed systems.
• Ensure performance, scalability, and reliability of backend systems.
• Collaborate with cross-functional teams and participate in agile development.
• Deploy and maintain applications on AWS cloud infrastructure.
• Contribute to automation initiatives and AI/ML feature integration.
• Write clean, testable, and maintainable code following best practices.
• Participate in code reviews and technical discussions.

Required Skills:

• 4+ years of backend development experience.
• Strong proficiency in Java and Spring/Spring Boot frameworks.
• Solid understanding of microservices architecture.
• Experience with REST APIs, CI/CD, and debugging complex systems.
• Proficient in AWS services such as EC2, Lambda, S3.
• Strong analytical and problem-solving skills.
• Excellent communication in English (written and verbal).

Good to Have:

• Experience with automation tools like Workato or similar.
• Hands-on experience with Python development.
• Familiarity with AI/ML features or API integrations.
• Comfortable working with US-based teams (flexible hours).

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.

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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 < 2 weeks.

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 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.

Job Title : Python Django Developer

Experience : 3+ Years

Location : Gurgaon

Working Days : 6 Days (Monday to Saturday)

Job Summary :

We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.

The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.

Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.

Key Responsibilities :

• Write efficient, reusable, testable, and scalable code using the Django framework.
• Develop backend components, server-side logic, and statistical models.
• Design and implement high-availability, low-latency applications with robust data protection and security.
• Contribute to the development of highly responsive web applications.
• Collaborate with cross-functional teams on system design and integration.

Mandatory Skills :

• Strong programming skills in Python and Django (or similar frameworks like Flask).
• Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
• Strong understanding of SQL and NoSQL ORM.
• Solid grasp of data structures, multithreading, and operating system concepts.
• Experience with RESTful API development and implementation of API security.
• Knowledge of JSON/XML and their use in data exchange.

Good-to-Have Skills :

• Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka
• Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs)
• Familiarity with MongoDB and other NoSQL databases
• Exposure to data science libraries such as Pandas, NumPy, Scikit-learn
• Knowledge in building and integrating statistical learning models.

As a Backend Developer for Amura, expect your days to be supercharged with challenges and excitement while building and mastering the core software with your own bare hands. You will be developing low-latency APIs and functions to exchange data between the server and the user ensuring high performance and responsiveness. You are going to work closely in developing challenging components like a chat application, event scheduler, and much more. We are looking for someone who comes alive while developing server-side application logic with good problem-solving skills.

Responsibilities

- Have an eye for building, maintaining, and creating a schema for RDBS.

- Define and communicate technical and design requirements.

- Build high-quality reusable code that can be used in the future.

- Work seamlessly in any IDEs like VS Code, WebStorm, etc.

- Work collaboratively with BA teams to ensure the requirement

criteria are met.

- Participate in the creative process. Thinking out of the box.

- Writing time-efficient, space-efficient, and generic code.

- Oversee all technical challenges that might occur during development.

- Delivering user story development as per acceptance criteria.

- Preparing LLD (Low-level document) on a solution or a component for better understanding to another developer.

- Participate in the entire application life cycle focusing on coding and debugging.

- Learn about new technologies and stay up to date with current best practices.

Requirements-

- Hands-on backend web development experience.

- 7+ years of relevant experience

- Decent understanding of Git, and Bit Bucket.

- Excellent grip on node JS/express JS, like how nodeJS/expressJS works, behind the scenes.

- A person who thinks like a compiler.

- Good problem-solving skills through JavaScript /Typescript.

- Ability to resolve a real-time problem through code.

- Familiar with Agile software development.

- Good understanding of JSON.

- Matured enough to consume and make API calls.

- Experience with issue tracking, and bug tracking tools like JIRA, and Azure DevOps.

- Working on any cloud services like AWS, or Azure would be an added advantage.

- Good at estimating ETA and also good at delivering by ETA.

- Be up for anything. A can-do attitude.

- Not just restricted to the backend.

What is our technology stack?

We have used top-notch technologies to build our product. We use React JS for web apps and react native for mobile apps. Both the frameworks are coded in typescript. We use AWS lambdas, ECS, and API Gateway for hosting our backend services. All the services are written in Node JS/Express JS. We use a wide variety of AWS services like Dynamo DB, S3, Cognito, SNS, SQS, CloudFront, etc. We use Figma for UI/UX design and wireframing.

Are there any technologies you want me to be good with? Yes, we expect you to be good in node Js

Here are answers to some questions you may have:

Who is Amura?

We are a health start-up with a presence in multiple countries

How old are you?

5 years

What is special about you?

Our clients. The Amura protocol is an intensive health program to follow and execute and the clients who choose to go through the journey are the most special. Next comes our team. The Amura Team is one filled with brilliant minds, brimming with creativity be it in operations, medical, or marketing. You can be one among them. Come and explore.

What is special about working with you?

You will grow crazy fast. As a rule of thumb, you can expect 5 years of growth for every year you are with us. But beware, growth like that cannot be achieved with life as usual. / But beware, growth like that cannot be achieved by any ordinary person.

What kind of people are you looking to add to your team?

We are looking for people who, when allowed to have a measurable

impact on the world will take it. Who value human life and are willing to work tirelessly on not only improving themselves for their own sake but for the benefit of everyone in the world. We work on the edge of our own best, striving to find what could come next in our growth. Anyone who joins the team will not only find the challenges they need to push

them, but also will have Amura at their back for support and guidance.

Is this a WFH role?

If you are in a role where you keep pushing your envelope every day, you are going to be asked to come to the office. But if you are in a role that calls for doing stuff that you are already very proficient in, you will be required to be in the

Where is your office?

Chennai (ECR)

Do you have an online presence?

https://amura.ai (we are @AmuraHealth on all social media)

Perks I get when I join Amura?

Health is the hardware of success. Amura has a one-of-its-kind performance health program. It has helped thousands of people to grow and flourish in dimensions that are important to them. Everyone in Team Amura, and their dependents, get all of our medical knowledge and services at no cost. This is very unique to Amura. Until you speak with one of us, you can never know what an unbelievable power-up it can be.

- Profound knowledge about state-of-the-art technologies and standards (PHP, MySQL, JavaScript, HTML5 and CSS, AJAX, JQuery, XML, and Linux) 

Experience with web services and Various frameworks (CakePHP, Symfony, ZEND, Laravel, etc) -

Capability to create an extension or module.

- Must be able to work on own initiative as well as part of a team 
- Experience in a structured development environment 
- Strong knowledge of Core PHP Skills & object-oriented programming (OOP) Has knowledge of any one of Git, BitBucket, SVN, etc. code management repositories. 
- Immediate joiner prefer. 
- Total Exp - 2+ to 4 years 
- Notice period - not more than 30 days

Responsibilities and Duties -

You will be taking ownership of a big project already in production. This project already has 25L registered users.