Sr. Backend Engineer – GenAI

Company: BigThinkCode Technologies

URL: https://www.bigthinkcode.com/

Experience required: 3-4 years

Work location: Chennai

Joining time: Immediate – 2 weeks

Work Mode: Work from office / Hybrid

About the Role

We're looking for a skilled Node.js Developer with 3+ years of experience building scalable applications using event-driven architecture within distributed systems. The ideal candidate is comfortable working on high-performance backend services and has a strong understanding of asynchronous programming patterns. Exposure to knowledge embedding and vectorization techniques is a strong plus, especially for modern data-driven or AI-powered systems.

Key Responsibilities

• Design, develop, and maintain server-side applications using Node.js
• Build and optimize scalable, event-driven systems in distributed environments
• Implement asynchronous workflows, message queues, and pub/sub architectures
• Collaborate with cross-functional teams to define and deliver backend solutions

Required Skills

• 3+ years of hands-on experience with Node.js
• Strong understanding of event-driven architecture and non-blocking I/O
• Experience working with distributed systems and microservices architecture
• Proficiency in RESTful API design and implementation
• Experience with databases such as MongoDB, PostgreSQL, or MySQL
• Experience with containerization tools like Docker and orchestration tools like Kubernetes

Good to Have

• Experience with knowledge embedding and vectorization techniques
• Familiarity with vector databases (e.g., Pinecone, Weaviate, FAISS)
• Understanding of cloud platforms (AWS, Azure, or GCP)

Why Join Us:

• Collaborative work environment.
• Exposure to modern tools and scalable application architectures.
• Medical cover for employee and eligible dependents.
• Tax beneficial salary structure.
• Comprehensive leave policy
• Competency development training programs.

Role: Backend Developer (Node.js)

Key Responsibilities

Backend Development

• Build scalable, high-performance backend services and REST APIs using Node.js.
• Develop robust, maintainable, and production-ready applications.

Database Optimization

• Design efficient database schemas.
• Optimize queries, indexing, and overall database performance.
• Work extensively with PostgreSQL or MySQL.

Frontend Collaboration

• Collaborate closely with frontend engineers to integrate APIs.
• Basic understanding of React or Angular is a plus.

System Design

• Participate in both Low-Level Design (LLD) and High-Level Design (HLD) discussions.
• Design systems with scalability, security, and reliability in mind.

Cloud & Infrastructure

• Deploy and manage applications on AWS.
• Utilize Redis for caching and performance optimization.

Code Quality

• Write clean, maintainable, and well-documented code.
• Participate in code reviews and follow engineering best practices.

Testing & Debugging

• Write comprehensive test cases.
• Ensure backward compatibility.
• Debug and resolve issues related to functionality, performance, and scalability.

Required Skills & Experience

Must Have

• 2+ years of backend development experience.
• Strong proficiency in Node.js.
• Experience with PostgreSQL or MySQL.
• Good understanding of REST APIs.
• Experience with AWS cloud services.
• Knowledge of distributed systems and microservices architecture.
• Experience with Redis or similar caching technologies.
• Strong understanding of system design concepts.
• Excellent debugging and problem-solving skills.
• Focus on writing scalable, reliable, and testable code.

Good to Have

• Basic knowledge of React or Angular.
• Experience working in fast-paced startup environments.

Why Join Vahan?

• Unlimited Paid Time Off (PTO)
• Comprehensive Medical Insurance
• Monthly Wellness Leaves
• Competitive Compensation
• Opportunity to work on products impacting millions of users
• Fast-paced, high-growth startup backed by leading investors
• Ownership-driven engineering culture with meaningful technical challenges

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Responsibilities:

• Developing front end website and back-end website applications.

• Seeing through a project from conception to finished product.

• Designing and developing integrations with 3rd party apps.

• Working on Next JS and Node JS .

• Design, build and maintain SaaS-based products.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Web services and Integration with Business applications and various softwares

• Work with outside data sources and API’s, REST API's

• Unit-test code for robustness

• Work on bug fixing and improving application performance.

Requirements:

• Experience of 1-3 years.

• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.

• Proficiency with languages such as React JS, Next JS, Node JS, PHP Laravel, Angular, WordPress, REST API's

• Excellent verbal communication skills.

• Good problem-solving skills.

• Knowledge of software development principles and design patterns.

• Excellent problem-solving skills and ability to learn new technologies quickly.

• Strong communication skills and ability to work collaboratively in a team environment.

Job Type: Full-Time, 9 am to 6:30 pm (Monday to Friday)

• Experience in Node.js Frameworks
• Hands-on experience with MongoDB
• Strong proficiency with JavaScript, Socket IO, ExpressJS & SailsJS
• Experience working with third-party developer tools, including documentation, APIs, and SDKs
• Good Grasp of Asynchronous Programming and Its Workarounds
• Database Schema design for Business Processes
• Working Knowledge of JWT-based passport Authentication
• Can Write and Refactor Efficient Codes
• Experience in Implementing Data Protection
• Must have demonstrated the ability to deliver high-quality products on time
• Knowledge of GIT, SVN technology

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

Node.js Developer Requirements:

• Bachelor's degree in computer science, information science, or similar.
• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

Job Title: Lead – Application Engineering

Remote | Chennai | Hyderabad | Bangalore

Tiger Analytics is a global AI and analytics consulting firm. With data and technology at the core of our solutions, our 2800+ tribe is solving problems that eventually impact the lives of millions globally. Our culture is modelled around expertise and respect with a team-first mindset. Headquartered in Silicon Valley, you’ll find our delivery centres across the globe and offices in multiple cities across India, the US, the UK, Canada, and Singapore, including a substantial remote global workforce. 

We’re Great Place to Work-Certified™. Working at Tiger Analytics, you’ll be at the heart of an AI revolution. You’ll work with teams that push the boundaries of what is possible and build solutions that energize and inspire.

Curious about the role? What your typical day would look like?

We are looking for Tech Leads working with our Application Engineering team, designing, and developing a variety of applications. More specifically, you will:

• Determine the functional, non-functional requirements and scope working with the business analysts and engineering managers
• Design and develop multi-tier, cloud-native, high performance, and scalable solutions
• Apply software engineering principles, design patterns and best practices to build solutions that are testable, secure, and robust
• Lead cross functional agile teams across the software development lifecycle
• Evaluate design alternatives using proof of concepts and collaborate with architects to choose optimal solutions
• Performing design and code reviews
• Collaborate with project/program managers to estimate, plan, and mitigate technical risks at module/project level
• Mentor and groom developers to deliver high quality solutions

What do we expect? 

• Years of Experience: 5+ years
• Relevant hands-on experience with one of more of the following:
• Programming Languages – Python with Django / Flask / Java / C#.net
• Web server technologies - Node.js / Nginx
• Database technologies - MySQL / Oracle / PostgreSQL / MongoDB
• Testing frameworks – Junit/ Selenium
• Cloud environments - AWS / Azure / GCP (Good to have)
• Good understanding of API design and development

You are important to us, let’s stay connected!

Every individual comes with a different set of skills and qualities so even if you don’t tick all the boxes for the role today, we urge you to apply as there might be a suitable/unique role for you tomorrow. 

We are an equal opportunity employer. Our diverse and inclusive culture and values guide us to listen, trust, respect, and encourage people to grow the way they desire.