Technical Architect

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

Job Description:

• Work primarily with PHP, object-oriented design, Unit testing techniques, debugging techniques, HTTP, MySQL and Apache.
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Must possess a strong understanding of Object-Oriented technology.
• Understand the specifications to define system requirements.5

Skills Required:

• 3+ years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Here a video that explains our product journey:

https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21">https://www.loom.com/share/ccd0ed9e7bc349d7bba851d762253c21

This is fully a remote role, but the employer needs to fly down to the office in Kolkata for 5–6 days every month. Plane tickets and accommodation will be reimbursed by the company.

Node  js

Job Description

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. 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 client 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.

Roles and Responsibilities 

• Integration of user-facing elements developed by front-end developers with server-side logic.
• Writing reusable, testable, scalable, and efficient code.
• Design and implementation of low-latency, high-availability, and high-performance applications.
• Implementation of security and data protection.
• Integration of data storage solutions { databases, key-value stores, blob stores, etc.}
• Familiarity with database Technology Such as MySQL, Oracle, and MongoDB. 

Desired Candidate Profile 

• Strong proficiency with JavaScript
• Knowledge of Node.js and frameworks available for it {such as Express etc }
• Knowledge of Micro Services Architecture and API Gateway.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Good understanding of server-side templating languages {such as PUG, Jade, EJS, etc }
• Good understanding of server-side CSS preprocessors {such as SCSS, SASS, etc }
• Basic understanding of front-end technologies, such as HTML5, CSS3, and DOM manipulation.
• Understanding accessibility and security compliance 
• User authentication and authorization between multiple systems, servers, and environments.
• Integration of multiple data sources and databases into one system
• Understanding fundamental design principles behind a scalable application
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Strong knowledge of Linux operating systems such as Ubuntu, CentOS.
• Basic knowledge of Cloud machines such as Elastic compute.
• Basic knowledge of Cloud Storage such as AWS S3, etc

Responsibilities
- Experience executing projects on WordPress
- Experience customizing existing WordPress plug-ins for integration or other requirements
- Expertise in customizing, developing, and integrating WordPress themes
- Manage the project giving importance to cost and quality
- Work with the user group to improve the solution

- Document existing functions and processes

Skills & Qualifications
- Minimum 4 year of hands on experience in WordPress development
- Good understanding of PHP, MYSQL, HTML5, CSS3 and jQuery
- Strong knowledge of PHP web frameworks
- Understanding the fully synchronous behavior of PHP
- Understanding fundamental design principles behind a scalable application
- Integration of multiple data sources and databases into one system
- Familiarity with SQL/NoSQL databases and their declarative query languages

1. Strong knowledge of PHP web frameworks like Laravel and working on other skills.
2. Strong knowledge of MYSQL, RDBMS
3. Familiar with Apache Configuration
4. Experience in object-oriented PHP programming
5. Understanding of MVC design patterns
6. User authentication and authorization between multiple systems, servers, and environments
7. Strong knowledge of the common PHP or web server exploits and their solutions
8. Creating database schemas that represent and support business processes.

The maximum notice period considers being 30 days.

Male candidates will be considered in the development profile.

The mode of Interview will be telephonic and the final round will be on Skype.

Architectural:

Design and implement a software architecture

Select a technology stack

Design and configure infrastructure

Select a development toolkit (IDE, etc.)

Design and implement a database design

Improve and optimise the application architecture

Ensure scalability of the application

Ensure scalability of the infrastructure

Explore new technologies and decide whether to implement them

Strategy, planning, and design:

• Take end-to-end ownership of the product, identify technology requirements, define the future product vision, create preliminary design concepts for add-on modules and shape overall technology and product roadmap by collaborating with the founders, business development, and marketing team.
• Ensure user oriented design is the primary approach to product development across multiple screens, based on user behaviour data and direct customer feedback.

Implementation and deployment:

• Manage Product Release, QA cycles, feature implementation and on time delivery through in-house team and vendors.
• Collaborate with team and customers to define use cases.
• Creation of wireframes/prototypes, site maps and user-flows for web and mobile platforms.

Operational management :

• Support marketing by implementing technical requirements for SEO/product analytics.
• Establish and supervise a quality assurance process, including integration & system testing.
• Rigorously monitor key performance metrics and coordinate with various teams to take corrective actions if needed.
• Establish and forecast ROI of features and succinctly articulate competitive advantage.
• Set-up data collection and analysis system in collaboration with CEO to track key performance.

metrics.

Strong fundamentals in computer science/engineering and algorithm design.

Practical knowledge of computer software algorithms in machine/deep learning, NLP, Computer Vision etc.

Personal Requirements:

• Min of 7+ years of Hands on experience in Web app development, payment gateways implementation, architecture design, product management, databases and UI/UX in consumer facing applications.
• Experience on projects involving engineering and algorithmic functions, machine learning, deep learning and artificial intelligence is very advantageous.
• Creative self-starter who is comfortable with both taking initiative and working in teams.
• Strong communication skills.
• Willingness to learn and utilise emerging technologies.
• Sincere passion to use disruptive technologies that can be globally significant

We are looking for highly motivated engineers with the following skillset-

• Engineering degree in Computer science or ECE or MCA is a must
• In-depth knowledge of PHP, HTML5, CSS, jQuery, JavaScript, AJAX
• Experience using PHP frameworks such as Laravel, Symfony, Zend, etc. - any 1 is required
• VueJS, AngularJS, ReactJS - knowledge of any 1 is required
• Between 1-5 years of work experience is required
• Very strong data structure and algorithm knowledge
• Ideal candidate would be a very strong developer with great coding skills
• Good English communication skills
• Willingness to work on multiple projects simultaneously
• Ability to work through ambiguous requirements and come up with a clear scope and problem statement
• If you have any live projects portfolio or GitHub handle please share them
• Office is in Fairlie place (Dalhousie), Kolkata 700 001