Python Developer

Job Title : Principal Backend Engineer (AI-Driven)

Experience : 10+ Years

Location : Chandigarh

Tech Stack : PHP, Node.js, Laravel, MySQL, MongoDB

Additional Requirement : Hands-on experience with AI technologies, APIs, or ML integrations

Role Overview :

We're looking for a Principal Backend Engineer (AI-Driven) to design and lead scalable backend systems while driving AI adoption across products.

The role involves integrating AI-powered features, architecting intelligent systems, and mentoring engineering teams on modern backend and AI implementation.

Key Responsibilities :

• Design and lead backend architecture using PHP (Laravel/CodeIgniter) and Node.js
• Build scalable microservices / modular backend systems
• Develop APIs and backend workflows for AI-driven features
• Integrate AI APIs (OpenAI, LangChain or similar frameworks)
• Work with LLMs, embeddings, vector databases, and AI pipelines
• Ensure performance, scalability, and security of backend systems
• Mentor engineering teams and drive backend + AI best practices

Requirements :

• 10+ years of backend development experience
• Strong expertise in PHP / Node.js, MySQL, MongoDB
• Hands-on experience integrating AI/ML APIs or AI-powered features
• Strong system design and architecture skills
• Experience leading engineering teams

Good to Have :

• Prompt engineering or AI cost optimization
• Exposure to MLOps / ML pipelines

We are looking for a strong Mobile Engineer with backend exposure who can own end-to-end feature development. This is a mobile-heavy fullstack role where you will primarily build scalable mobile applications while contributing to backend services and APIs.

Key Responsibilities

• Design and develop high-quality mobile applications (primary focus)
• Build and integrate RESTful APIs and backend services
• Collaborate with product and design teams to ship features end-to-end
• Ensure performance, scalability, and reliability of mobile apps
• Write clean, maintainable, and testable code
• Participate in architecture discussions and technical decision-making

Must Have Skills

• Strong experience in mobile development (Flutter / React Native / iOS / Android)
• Solid understanding of backend development (Node.js / Java / Python / Go)
• Experience with API design, microservices, and databases
• Good understanding of system design and app performance optimization
• Familiarity with cloud platforms (AWS/GCP)

Good to Have

• Experience working in startup environments
• Exposure to CI/CD pipelines and DevOps practices
• Understanding of real-time systems or scalable architectures

About the Role

We are seeking a highly skilled and motivated Senior Backend Developer with strong expertise in Node.js and AWS to join our dynamic team. The ideal candidate will have solid backend development experience, with additional working knowledge of PHP and Python. Exposure to frontend frameworks like React.js and Angular will be considered a strong advantage.

Key Responsibilities

• Design, develop, and maintain scalable backend systems and APIs using Node.js.

• Deploy, manage, and optimize applications on AWS cloud infrastructure.

• Collaborate with cross-functional teams (frontend, product, QA) to deliver end-to-end solutions.

• Ensure application performance, security, and scalability.

• Write clean, maintainable, and testable code following industry best practices.

• Work with databases (SQL/NoSQL) to design efficient data models and queries.

• Integrate third-party services and APIs when required.

• Contribute to code reviews, technical discussions, and mentoring of junior developers.

• Support continuous integration and deployment pipelines.

• Troubleshoot, debug, and optimize existing applications.

Requirements

• 4+ years of backend development experience.

• Strong expertise in Node.js and hands-on experience with AWS services (EC2, S3, Lambda, etc.).

• Good working knowledge of PHP and Python.

• Strong understanding of RESTful API design, microservices architecture, and databases (MySQL, PostgreSQL, or MongoDB).

• Working knowledge of React.js and Angular is preferred.

• Working knowledge of NodeJS, and JAVASCRIPT, is a must.
• Working knowledge of AWS cloud concepts is a must.
• Must be familiar with AWS serverless architecture.
• Must be familiar with data structure & algorithm concepts.
• Design, develop, and implement beautiful UI components to support business requirements.
• Follows approved life cycle methodologies, creates design documents, and performs program coding and testing.
• Resolves technical issues through debugging, research, and investigation.
• Own & Develop the REST APIs.
• Stay updated with new technologies and of changes in technologies that affect front-end web development.

1. Extensive experience in Javascript / NodeJS in the back end
2. Front end frameworks such as Bootstrap, Pug, Jquery
3. Experience in web frameworks like ExpressJS, Webpack
4. Experience in Nginx, Redis, Apache Kafka and MQTT
5. Experience with MongoDB
6. Experience with Version Control Systems like Git / Mercurial
7. Sound knowledge in Software engineering best practices
8. Sound knowledge in RestFul API Design
9. Working knowledge of Automated testing tools
10. Experience in maintaining production servers (Optional)
11. Experience with Azure DevOps (Optional)

1. Experience in digital payments or financial services industry is a plus.
2. Participation in the processes of strategic project-planning meetings.
3. Be involved and participate in the overall application lifecycle.
4. Collaborate with External Development Teams.
5. Define and communicate technical and design requirements, understanding workflows and write code as per requirements.
6. Develop functional and sustainable web applications with clean codes.
7. Focus on coding and debugging.

Minimum 5-7years of professional experience building web-applications
Strong experience in backend development
Strong experience in AI/Machine Learning development, Data Analysis/Processing
Experience in creating robust and secure REST APIs
Hands-on exposure to RDBMS like PostgreSQL, MySQL, MariaDB etc.
Proficiency with one or more programming languages from Java, Python, Node/JavaScript
Solid familiarity working with cloud and related technologies, AWS, GCP and Azure cloud environments
Ability to do very quick research in unknown technologies
Startup mindset, comfort with chaos and multi-tasking ability
Strong programming fundamentals in Data Structures, Algorithms
An eye for writing performance optimum code in any tool set

Mandatory Skill set:

• Multiple solution stack development experience along with MEAN(Mongo, Express, Angular and Node)

• Python with any web framework

• Micro Services, Performance Engineering, Docker, Kubernetes, AZURE, CI/CD pipeline, , MySQL and Database design

Job Role:

• Responsible for component selection, design standardization, common library building.

• Build services and templates based on published standard (RFC type)Build coding templates and architypes adhering to design standard.

• Understand NFR and define architecture, design and validation for each NFR element.

• Design data model, service contract and document framework.Define and ensure coding standards

• Define and ensure UI standards are followed. Design micro services, security, deployment Well-versed in module level effort estimationWell-versed in application integration patterns Exposure to bug fixing, maintenance, continuous integration releases.

• Exposure to building architectural view like logical, physical and deployment.Exposure to performance bottleneck, RCA and remediation.Exposure to security issues, RCA and remediation.

Process Exposure:

• Able to interact with team, stakeholders and architects. Understand functional requirements and create design documents for features.

• Participate in sprint planning and story elaboration sessions.

• Candidate should be able to work independently in an Agile project.

• Experience with Test-Driven Development, Integration testing and Agile processes.Code review from a standard and design adherence perspective.

We are looking for a Node.js Developer who is proficient with writing API's, working with data, using AWS and capable of applying algorithms mainly machine learning-based to solve problems and create/modify features for our students. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

• Integration of user-facing elements developed by front-end developers with server-side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Use of algorithms to drive data analytics and features.
• Ability to use AWS to solve scale issues.