Backend Engineer

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.

Bookeventz is looking for a rock star coder to work closely with the founders to build on our core platform and mobile applications.

A Techie who has an Expert understanding of Server Logic, REST APIs and core web technologies.

Should have a great understanding of MEAN/MERN Stack.

Our Tech Stack:

-PHP, CodeIgniter, MVC Framework

-Node JS, React JS, JavaScript, HTML, CSS

-JQuery

-Redis, MySQL/Maria DB

-Linux, Ubuntu

A few Challenges we are working on right now:

-Working on various optimization to improve page speed.

-Improving Server Response & Load balancing.

-Server-side development on various projects.

-Customized CRM to increase leads handled per salesperson to double a day.

-Create a platform for users to create their custom event website.

Job Objectives:

-Integration of user-facing elements developed by front-end developers with server-side logic

-Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to small mobile devices

-Optimization of the application for maximum speed and scalability

-Implementation of security and data protection

-Collaborate with senior management, operations & business team

-Building Rest APIs and maintaining Database optimizations

Looking For:

-Minimum 2 years of experience with Internet companies

-Great understanding of Node, react, Express, Socket.io, MVVM framework

-Worked on an e-commerce website, server handling and deployments scripts

-The one who has worked on the customer-facing product for 2 years

- Strong knowledge of MEAN stack (Min 1 yr professional working experience) with basic

  understanding of LAMP

-Experience designing scalable, fault-tolerant systems and databases."

Job Type: Full Time

Job Location: Gurgaon

Job Description:

We are looking for passionate Software Engineers to design, and develop software solutions. You will be responsible for developing and designing architecture, ensuring the responsiveness, and scaling of applications. You will be required to see a project from conception to final product, requiring good organizational skills and attention to detail. What you bring to the table is more than just your technical skills - your unique perspective, ideas and cultures will help us create better products and services.

Roles & Responsibilities:

•   Work with development teams and product managers to ideate software solutions
•       Design and Develop well-functioning software architecture and database design
•   Write effective APIs
• Test software to ensure responsiveness and efficiency
•   Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with responsive design
•     Improving, adding new features, and maintaining existing software products

Required Skills:

•       C#
• .Net
• Wpf
•   MySQL/PostgreSQL
• Knowledge of Restful API
• Git
• Should have self-exploration capabilities and an analytical mindset to find solutions to complex problems.
•       Good knowledge of basic data structures and algorithms
•     Good Debugging skills

Company Name: Bharat Software Solutions

Location: Delhi

Descriptions: There is an opening for a post PHP Developer. The candidate must have a minimum experience of 2 years.

Required Skills:  Core PHP, Jquery, Ajax, HTML, CSS, MYSQL, and Codeigniter.

• Systems: Software Design, Database Design , Magento/eCommerce, PWA
• Role: Will be responsible for design and integration of eCommerce Systems, external integrating systems and new customer touch point like WA Shop, Chat Bots, Social Commerce and Design of eCommerce backend, OMS
• Education : B.Tech – CSE, premier Engineering Institute
• Experience : 5-7 Years, High transactional website, multiple system integration, AWS, Middleware and MySQL, MongoDB, Restful API. Team player, Passion for Coding. Exposure to Magento eCommerce system design and database is desirable

We are looking for a high-performing Lead Developer to build our Ecommerce platform and API framework powered by Machine Learning and Artificial Intelligence. Candidates for this role will be passionate about well written code, testing, and excel at coming up with simple approaches to complex problems.

Our work culture is #overachiever, very amiable, and at the same time always charged with excitement. We encourage our team members to take responsibility and grow into future leaders in the industry.

Job Responsibilities:

• Understand project requirements, writing bug free clean code and ensure that the solution works per the agreed architecture, SLAs, KPIs and business model
• Integrate Django backend with third party API
• 100% Hands on role
• Make architecture decisions that contribute to maintainable systems
• Adapt to rapidly evolving requirements and changing priorities and drive the team accordingly
• Responsible to drive and support Ecommerce project activities and ensure marketplace implementation, deepen customer engagement, satisfaction, and user engagement
• Reverse engineer for debugging errors in code and ensure quality control in the process.
• Continually drive products towards a meaningful balance between user needs, business objectives and technical feasibility
• Documentation and reference preparation for users by writing operating instructions including changes and revisions.
• Operate in a hyper-collaborative way and follow these guiding principles: Value common sense and simplicity over complexity, make decisions quickly and move nimbly, celebrate diverse ideas, Succeed and fail together as a team

Qualifications:

• Bachelor or Master Degree in Computer Science, Software Engineering from a reputed University
• 5 to 10 years of experience working in eCommerce domain, specifically at-least 3-5 years of experience working in Django and Python.
• React and/or Angular for front end
• Proficiency in MongoDB and MySql
• Technical Skills: JIRA, Gitlab, Rest API, GCP or AWS
• Integration experience with Payment gateway, shipping company and VAT, database concepts, Experience of web services
• Experience in performance profiling, tuning, and optimization, caching mechanisms with Enterprise level applicants
• Analytical, debugging, and troubleshooting skill with proven experience troubleshooting and fixing production bugs
• Experience in writing unit testing and test case automation.
• Ability to operate in Agile environment with a start-up mentality and unstructured environment, Energy, drive and passion to work, and operate in a digital world.

Role and Responsibilities:

• As a backend developer, your primary focus will be the development of all server-side systems
• A basic understanding of front-end technologies is necessary as well. You will test, secure and deploy your code
• Work experience on Node.js is a must along with a server-side framework like Express.js
• Strong proficiency in JavaScript
• Writing reusable, testable, and efficient code
• Experience and proficiency integrating with REST APIs
• Understanding of scalable computing systems, software architecture, data structures, and algorithms
• Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
• AgileScrum development cycle understanding.

Skills Required:

• At least 2 years of experience developing backends using NodeJS should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Good knowledge of MongoDB(Must) & any other MySQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience developing and deploying REST APIs.
• Knowledge and working experience in Cloud environment - AWS or Azure
• Good knowledge of Unit Testing and available Test Frameworks.
• Should be a fast learner and a go-getter without any fear of trying out new things

• Integration of user-facing elements developed by front-end developers
• Build efficient, testable, and reusable PHP modules
• Solve complex performance problems and architectural challenges
• Integration of data storage solutions.
• Maintaining social media and admin panel accounts.

• Strong knowledge of PHP web frameworks.
• Understanding the fully synchronous behavior of PHP
• Understanding of MVC design patterns
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Knowledge of object-oriented PHP programming
• Understanding accessibility and security compliance.
• Strong knowledge of the common PHP or web server exploits and their solutions
• Understanding fundamental design principles behind a scalable application
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Familiarity with limitations of PHP as a platform and its workarounds
• Creating database schemas that represent and support business processes
• Familiarity with SQL/NoSQL databases and their declarative query languages
• Proficient understanding of code versioning tools, such as Git.
• Website development and API integrations. Database and password security.