Senior Software Engineer Backend

Job Title: Lead Backend Developer

Location: Bengaluru, India 

iAI Solution Pvt Ltd (https://iaisolution.com/),operates at the edge of applied AI where foundational research meets real-world deployment. We craft intelligent systems that think in teams, adapt with context, and deliver actionable insight across domains.

Position Summary:

• We are looking for a Lead Backend Developer with 4+ years of professional experience in Python-based development, especially using FastAPI and MongoDB. The ideal candidate is skilled in building and maintaining scalable, high-performance back-end services and APIs, has strong understanding of modern database design (SQL & NoSQL), and has experience integrating backend services with cloud platforms.
• Experience or interest in AI/ML projects is a strong plus, as our products often interface with LLMs and real-time AI pipelines.
• Key Responsibilities:
• Design, build, and maintain robust backend services using Python and FastAPI.
• Develop and maintain scalable RESTful APIs for internal tools and third-party integrations.
• Work with MongoDB, PostgreSQL, and Redis to manage structured and unstructured data efficiently.
• Collaborate with frontend, DevOps, and AI/ML teams to deliver secure and performant backend infrastructure.
• Implement best practices in code architecture, performance optimization, logging, and monitoring.
• Ensure APIs and systems are production-ready, fault-tolerant, and scalable.
• Handle API versioning, documentation (Swagger/OpenAPI), and error management.
• Optimize queries, indexes, and DB schema for high-performance data access.
• Maintain clean code with emphasis on object-oriented principles and modular design.
• Troubleshoot production issues and deliver timely fixes and improvements.

Qualifications:

• Overall Experience: 4+ years in backend software development.
• Python: Strong proficiency with object-oriented programming.
• Frameworks: Hands-on experience with FastAPI (preferred), Django.

Databases:

• MongoDB: Experience with schema design, aggregation pipelines, and indexing.
• Familiarity with SQL databases (PostgreSQL/MySQL).
• Experience with Redis and optionally Supabase.

API Development:

• Proficient in building and documenting REST APIs.
• Strong understanding of HTTP, request lifecycles, and API security.

Testing & Debugging:

• Strong debugging and troubleshooting skills using logs and tools.

Performance & Scalability:

• Experience optimizing backend systems for latency, throughput, and reliability.

Tools:

Git, Docker, Linux commands for development environments.

Must-Have Skills:

• Proficiency in Python and object-oriented programming
• Strong hands-on experience with FastAPI (or similar async frameworks)
• Knowledge of MongoDB for schema-less data storage and complex queries
• Experience building and managing REST APIs in production
• Comfortable working with Redis, PostgreSQL, or other data stores
• Experience with Dockerized environments and Git workflows
• Solid grasp of backend architecture, asynchronous programming, and performance tuning
• Ability to write clean, testable, and maintainable code

Good-to-Have Skills:

• Experience with asynchronous programming using async/await
• Integration with third-party APIs (e.g., Firebase, GCP, Azure services)
• Basic understanding of WebSocket and real-time backend patterns
• Exposure to AI/ML pipelines, model APIs, or vector DBs (e.g., FAISS)
• Basic DevOps exposure: GitHub Actions, Docker Compose, Nginx
• Familiarity with JWT, OAuth2, and backend security practices
• Familiarity with CI/CD pipelines and versioning
• Basic understanding of GraphQL or gRPC is a plus

Preferred Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 
  
• Demonstrated experience delivering production-grade backend services
• 
  
• Experience working in agile teams and using tools like Jira
• 
  
• Familiarity with Agile/Scrum methodologies and sprint cycles
• 
  
• Interest or experience in AI/ML-integrated systems is a plus
• 
  

Perks & Benefits:

• Competitive salary with performance-based bonuses
• Opportunity to work on AI-integrated platforms and intelligent products
• Access to latest tools, cloud platforms, and learning resources
• Flexible working hours and hybrid work options
• Wellness initiatives and team-building activities

The requirements are as follows:

1) Familiar with the the Django REST API Framework.

2) Experience with the FAST API framework will be a plus

3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )

4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus

5) Experience with any ML library will be a plus.

6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.

7) Familiar with basic code patterns like MVC.

8) Grasp on basic data structures.

Job Summary:

We are seeking an experienced Back-end Developer to join our IT team. You will be responsible for the server-side of web applications. If you have excellent programming skills and a passion for developing or improving applications, we would like to meet you.

As a Back-end Developer, you will work closely with our team to ensure system consistency and enhance the user experience. Ultimately, you should be able to develop and maintain functional and stable web applications that meet our company's needs.

Responsibilities and Duties:

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform unit tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with front-end developers to integrate user-facing elements with server-side logic
• Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use
• Liaise with developers, designers, and system administrators to identify new features required

Skills and Qualifications:

• Proven work experience as a Back-end Developer
• In-depth understanding of the entire web development process (design, development, and deployment)
• Hands-on experience with JS, ES6, Node.js, Express.js, MongoDB, building REST APIs, and GraphQL
• Excellent analytical and time management skills
• Strong teamwork skills with a problem-solving attitude
• BSc/BE or BTech degree in Computer Science or a relevant field

Skills:

• Node.js
• MongoDB
• JavaScript
• Express

About Us

Classplus is India's largest B2B ed-tech start-up, enabling 1 Lac+ educators and content creators to create their digital identity with their own branded apps. Starting in 2018, we have grown more than 10x in the last year, into India's fastest-growing video learning platform.

Over the years, marquee investors like Tiger Global, Surge, GSV Ventures, Blume, Falcon, Capital, RTP Global, and Chimera Ventures have supported our vision. Thanks to our awesome and dedicated team, we achieved a major milestone in March this year when we secured a “Series-D” funding.

Now as we go global, we are super excited to have new folks on board who can take the rocketship higher🚀. Do you think you have what it takes to help us achieve this? Find Out Below!

What will you do?

• Connect the dots between business goals and consumer problems through product development
• Solve the most challenging problem of scaling and business logic
• Design and develop services using test driven development with near 100% code coverage
• Develop and deploy services continuously using CI/CD on a daily basis
• Identify and own meaningful metrics for success and move them dramatically.
• Prepare and present management updates on key initiatives. Communicate clearly at all levels in the organization.
• Conduct multivariate experiments to constantly validate hypotheses and bash all the myths

You should apply, if you

• Display expertise: Have strong proficiency with Nodejs, My SQL, MongoDB and Caching and with code versioning tools, such as Git
• Can improvise: Understand the nature of asynchronous programming and its quirks and workarounds
• Showcase all round knowledge: Understand accessibility, security compliance, user authentication, and authorization between multiple systems, servers, and environments
• Can simplify: Can integrate multiple data sources and databases into one system. This also includes creating database schemas that represent and support business processes, and can implement unit tests
• Can figure out the basics: Understand fundamental design principles behind a scalable application

Being a Part of the Clan!

At Classplus, you’re not an “employee” but a part of our “Clan”. So, you can forget about being bound by the clock as long as you’re crushing it workwise😎. Add to that some passionate people working with and around you, and what you get is the perfect work vibe you’ve been looking for!

It doesn’t matter how long your journey has been or your position in the hierarchy (we don’t do Sirs and Ma’ams); you’ll be heard, appreciated, and rewarded. One can say, we have a special place in our hearts for the Doers! ✊🏼❤️

Are you a go-getter with the chops to nail what you do? Then this is the place for you.

Node.js Developer Requirements:

1. Bachelor's degree in computer science, information science, or similar.

2. At least two years' experience as a Node.js developer.

3. Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

4. Knowledge of front-end technologies such as HTML5 and CSS3.

5. Superb interpersonal, communication, and collaboration skills.

6. Exceptional analytical and problem-solving aptitude.

7. Great organizational and time management skills.

8. Availability to resolve urgent web application issues outside of business hours.

Job description for Backend Developer:

If interested can forward your resume to (ambikadotjsemperfidotcodotin)

For more details contact 8a3a1a0a8a4a4a6a8a2

Role- Node.js Developer/Senior Node.js Developer

Job description:

- (Nodejs, Express), MySQL, Postgre SQL
- Working experience of GIT
 - Well-versed and experienced with unit testing, code coverage.
- Well versed with SOILD design principles and its application
- Good to have – some experience with Azure DevOps and/or azure functions.
- Good knowledge of designing and writing restful API.

• 4+ years of experience with Node.js
• Expertise in Typescript, AWS, Firebase, MongoDB, and Express

You will be bringing:

• Hands-on experience in writing applications using Node.js (including Socket.io and Express or similar)
• Excellent knowledge of a few of the available databases such as MySQL, MongoDB, etc.
• Proficiency in application deployment on Linux or Ubuntu environments
• Proficiency in JavaScript languages like React and/or Angular, along with a comprehensive experience in open-source frameworks
• Experience in server-client architecture project(s)
• Ability to prioritize in a chaotic and ambiguous environment
• An open, growth mindset when giving and receiving feedback