Senior NodeJs Developer

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.

Job Summary:

We are looking for a highly skilled and experienced .NET Full Stack Developer to join our growing engineering team. The ideal candidate will have strong experience in developing scalable web applications using .NET Core and Angular. You will be involved in designing, developing, testing, and maintaining robust solutions in a collaborative and fast-paced environment.

Key Responsibilities:

• Design, develop, and maintain web applications using .NET Core, ASP.NET, and C#
• Build responsive and interactive frontend interfaces using Angular
• Write clean, scalable, and maintainable code adhering to coding standards and best practices
• Collaborate with cross-functional teams including product managers, designers, and QA to define and deliver new features
• Participate in code reviews, system design discussions, and team planning activities
• Troubleshoot and debug applications to ensure high performance and responsiveness
• Ensure secure coding practices and optimize application for maximum speed and scalability

Must-Have Skills:

• 4+ years of hands-on experience with .NET, .NET Core, and C#
• Strong frontend development skills using Angular (v8 and above)
• Proficiency in writing RESTful APIs and integrating backend services
• Solid understanding of object-oriented programming and design patterns
• Experience with version control systems like Git
• Familiarity with SQL Server or any relational database

Preferred Skills:

• Experience with Agile/Scrum development methodologies
• Knowledge of CI/CD tools and processes
• Familiarity with cloud platforms like Azure or AWS

Hi All,

5- 12 years of experience designing and developing web applications and REST APIs (using MEAN/Nodejs or similar stacks). Specifically,

- Prior experience designing/developing Single Page WebApps and REST APIs from prototypes

- Ability to design API as per REST standards along with a good understanding of API security (Auth headers etc) and HTTP protocol

- Experience leading 1-2 engineers (mainly interns) in guiding them to complete web apps. 

- Demonstrates curiosity and strong ownership of deliverables.

Work Location: Bangalore

Mode: Work from Office

www.goneutrinos.com

Regards

Team-HR

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
• Ensure highest standard of performance, quality, and responsiveness of the applications.

Requirements:-

• Overall 3-7 years of software engineering experience working with web applications and backend systems.
• At least 2 years of experience in production environment working with Ruby on Rails along with common libraries such as RSpec, Sidekiq, Redis.
• Strong understanding of concepts like MVC, ORM, and RESTful
• Strong understanding of Object Oriented Programming fundamentals.
• Strong understanding of server-side templating languages like SLIM and CSS pre-processors like SASS.
• Basic understanding of front-end technologies such as JavaScript, HTML5, and CSS3.
• Strong experience working with Linux like Operating Systems and shell environments like Bash, ZSH.
• Strong knowledge of integrating multiple databases into one system.
• Basic understanding of systems architecture and fundamental design principles behind a scalable web application.
• Ability to understand business requirements, derive database schemas and translate them into technical specifications and code.
• Strong hands on experience of Relation Databases like PostgreSQL, MySQL with ability of benchmarking and performance optimisation.
• Strong knowledge of any NoSQL database like MongoDB.
• Strong experience practicing TDD and writing test cases to achieve highest code coverage.
• Experience working with search engines like Elasticsearch, Solr is a plus.
• Experience integrating third party software and payment gateways is a plus.
• Experience deploying applications to cloud and setting up CI/CD is a plus.
• Experience building container images using tools like Docker is a plus.
• Experience with any popular JavaScript frameworks like React JS, Angular JS is a plus.
• Ability to learn new languages and technologies.