Node.js Developer

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.

Job Summary

We are looking for a skilled Backend Developer with strong Node.js experience to join our development team. The ideal candidate should have hands-on experience in building scalable, secure, and high-performance backend applications and APIs.

You will work closely with frontend developers, product managers, and other engineering teams to design, develop, test, and maintain backend services and applications.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Node.js.
• Build and maintain RESTful APIs and backend services.
• Write clean, reusable, maintainable, and efficient code.
• Work with databases such as MongoDB, PostgreSQL, MySQL, or similar.
• Integrate third-party APIs and external services.
• Implement authentication, authorization, and security best practices.
• Optimize application performance, scalability, and reliability.
• Identify and resolve bugs, performance issues, and production problems.
• Write unit and integration tests to ensure application quality.
• Collaborate with frontend developers to integrate APIs with web/mobile applications.
• Participate in code reviews and follow development best practices.
• Work with Git and standard CI/CD and deployment processes.
• Contribute to system design and technical discussions.

Required Skills

• 2–6 years of professional experience in backend development.
• Strong hands-on experience with Node.js.
• Good knowledge of JavaScript and/or TypeScript.
• Strong understanding of REST APIs, HTTP, JSON, and API design.
• Experience with Express.js, NestJS, or similar Node.js frameworks.
• Good understanding of relational or NoSQL databases such as PostgreSQL, MySQL, or MongoDB.
• Knowledge of SQL and database design.
• Experience with Git/GitHub/GitLab/Bitbucket.
• Understanding of authentication mechanisms such as JWT/OAuth.
• Strong problem-solving and debugging skills.
• Good understanding of data structures, algorithms, and backend architecture.

Good to Have

• Experience with TypeScript.
• Knowledge of AWS / Azure / GCP.
• Experience with Docker and Kubernetes.
• Knowledge of Redis, Kafka, RabbitMQ, or other caching/message queue technologies.
• Experience with microservices architecture.
• Familiarity with CI/CD pipelines.

Job Title : Node.js Developer

Experience : 5+ Years

Location : Gurgaon – Sector 43

Work Mode : 5 Days Work From Office (WFO)

Interview Mode : Direct Walk-in

Job Summary :

We are looking for an experienced Node.js Developer with 5+ years of hands-on experience in backend development and building scalable applications.

The ideal candidate should have strong problem-solving skills and experience working in a fast-paced product or service-based environment.

Key Responsibilities :

• Develop and maintain server-side applications using Node.js.
• Design and implement RESTful APIs and microservices.
• Work with databases like MongoDB / MySQL / PostgreSQL.
• Integrate third-party APIs and services.
• Ensure performance, security, and scalability of applications.
• Collaborate with frontend developers, QA, and DevOps teams.
• Write clean, reusable, and efficient code.
• Participate in code reviews and technical discussions.

Required Skills :

• Strong expertise in Node.js and JavaScript.
• Experience with Express.js or similar frameworks.
• Knowledge of Microservices architecture.
• Hands-on experience with MongoDB / SQL databases.
• Experience with Git and CI/CD processes.
• Good understanding of cloud platforms (AWS preferred).
• Strong debugging and optimization skills.

Preferred Skills :

• Experience with Docker / Kubernetes.
• Knowledge of Redis, Kafka, or message queues.
• Understanding of Agile methodologies.

Job Responsibilities:

• Strong JavaScript/TypeScript and Node.js. You can design an API, not only implement one.
• Relational data modelling and SQL: you can reason about indexes, query plans, transactions, and migrations on live tables.
• Vendor and third-party integrations, done well: authentication, retries, idempotency, webhooks, rate limits, sandbox-to-production rollout, and reconciliation when the other side fails mid-flow.
• Comfort working directly with a vendor's technical team to get an integration over the line.
• Queues, background jobs and scheduled work, including what happens when a job runs twice.
• React with TypeScript. Component design, state management, forms that hold up under real user behaviour.
• Enough CSS and layout sense to build a clean screen without a pixel-perfect design handed to you.
• Performance and correctness on the browser side: loading states, error states, the ugly edge cases.
• Tests you actually write. Shipping agent-assisted code at volume only works if the test coverage holds it up.
• Git discipline, CI/CD, and enough DevOps grounding to be self-sufficient: containers, environment configuration, pipelines, deployments and rollbacks. You do not need to be an SRE, but you should not need one for routine work.
• AWS fundamentals: how your service runs, scales and fails.
• Instrumenting what you build logs, metrics, alerts so problems surface on a dashboard rather than in a customer complaint.
• Reading monitoring output and acting on it: triaging an alert, finding the root cause, and closing the loop with a fix or a tuned threshold rather than muting it.
• An eye on infrastructure cost. Knowing roughly what your service costs to run, spotting the query, log stream or API call pattern that is quietly expensive, and factoring that into design decisions.
• You are comfortable with ambiguity and will go and resolve it often by asking the ops or product team directly.
• You share status without being prompted, including when the news is not good.
• You care whether the change worked for the business, not only whether the story was closed.
• Understand the problem first-hand. Spend time with the product owner or the ops team that has the problem, and see how the work happens today rather than working from a requirements document alone.
• Design, build and ship end to end. API and data model through to the screen the user touches. Backend and frontend are both yours.
• Take it to production and keep it healthy. Deploy it, monitor it, and act on what the monitoring tells you. Errors, latency, failed jobs and data quality are yours to watch and ideally you spot the issue before someone reports it.
• Be mindful of what it costs to run. Every service you deploy carries an infrastructure bill. Think about instance sizing, storage, query patterns, log volume and the cost of third-party API calls before you ship, and raise it early when something is likely to get expensive.
• Integrate cleanly with vendors and partners. A large part of our platform is third-party: bureaus, banks, KYC providers, payment rails, co-lenders. Working well with vendor teams, reading their documentation carefully and handling their failure modes gracefully is core to the job, not a distraction from it.
• Be accountable for what you commit to. Give estimates you believe in, flag slippage early, and keep the status visible.
• Leave it documented. A runbook, an API contract, and a short note on any non-obvious decision, so the next engineer or the next agent can pick it up without you.
• Build securely by default. We are a regulated lender. Customer and credit data handling, access control, audit trails and PII discipline are part of the definition of done, not a later hardening pass

Skills Required:

JavaScript , TypeScript , Node.js , API Design , Relational Data Modelling , SQL , Indexing , Query Optimization , Transactions , Database Migrations , Vendor Integration , Authentication , Retries , Idempotency , Webhooks , Rate Limiting , Queues , Background Jobs , Scheduled Work , React , Component Design , State Management , Forms , CSS , Layout Design , Performance Optimization , Error Handling , Testing , Git , CI/CD , DevOps , Containers , Environment Configuration , Pipelines , Deployments , Rollbacks , AWS , Monitoring , Logging , Metrics , Alerting , Cost Awareness , Problem Solving , Communication , Accountability , Documentation , Security , Data Handling , Access Control , Audit Trails , PII Discipline

Candidate Attributes:

• Passion and hunger to make a dent in the MSME ecosystem
• AI-first in how you build
• Comfortable on either side of the API boundary
• Comfort working directly with a vendor's technical team to get an integration over the line
• Enough CSS and layout sense to build a clean screen without a pixel-perfect design handed to you
• Comfortable with ambiguity and will go and resolve it often by asking the ops or product team directly
• Share status without being prompted, including when the news is not good
• Care whether the change worked for the business, not only whether the story was closed
• Service or a customer journey, designs across services
• Sets patterns others follow and embeds with a business function
• Shapes what gets built

At BigThinkCode, our technology solves complex problems. We are looking for talented back-end (node.JS) engineer to join our at Chennai. 

Please find below our job description, if interested apply / reply sharing your profile to connect and discuss. 

Company: BigThinkCode Technologies 

URL: https://www.bigthinkcode.com/ 

Experience required: 1-2 years 

Work location: Chennai 

Joining time: Immediate – 4 weeks 

Work Mode: Work from office / Hybrid 

A skilled Node.js Developer with 1-2 years of experience in building scalable applications using event-driven architecture (EDA) within distributed systems. The ideal candidate should be comfortable in high-performance backend services and have a strong understanding of asynchronous programming patterns. 

Experience or exposure to knowledge embedding and vectorization techniques is a strong plus, especially in the context of modern data-driven or AI-powered systems. 

Required Skills & Qualifications 

• 1-2 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 

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 

Good to Have  

• Experience with knowledge embedding and vectorization techniques. 
• Familiarity with vector databases (e.g., Pinecone). 
• 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. 

About AimInfologics

AimInfologics is a software development company based in Gujarat, India. We build mobile apps, web platforms, SaaS products, AI integrations, automation systems, and custom software solutions for clients in India and international markets.

We are looking for a Full Stack Developer who has strong hands-on experience with Node.js and Next.js and can work on real client projects with ownership.

Role: Full Stack Developer – Node.js & Next.js

Job Type: Full-time

Location: Ahmedabad, Gujarat / On-site

Experience: 2–5 years preferred

Salary: As per experience and practical skill level

Role Description :

The selected developer will work on web applications, admin panels, APIs, SaaS platforms, CRM systems, dashboards, and AI-integrated software products.

This role is suitable for someone who can handle both frontend and backend work, understand requirements properly, write clean code, debug issues, and deliver features with proper quality.

We are not looking for someone who only knows basic tutorials. We need someone who has worked on real projects and can take responsibility for modules independently.

Key Responsibilities

• Develop and maintain web applications using Next.js

• Build backend APIs using Node.js and Express.js

• Work with MongoDB and database-driven application logic

• Create clean, responsive, and user-friendly frontend screens

• Integrate third-party APIs, payment gateways, AI APIs, CRM tools, and cloud services when required

• Write clean, reusable, and maintainable code

• Debug bugs, performance issues, and production-level problems

• Coordinate with UI/UX designers, backend developers, mobile developers, and project managers

• Understand client requirements and convert them into working features

• Use Git properly for code management and team collaboration

• Deploy or support deployment on platforms such as Vercel, AWS, or similar environments

Required Skills

• Strong experience with Node.js

• Strong experience with Next.js and React.js

• Good knowledge of JavaScript and TypeScript

• Experience with MongoDB and database design basics

• Good understanding of REST APIs

• Experience with Express.js or similar backend frameworks

• Ability to integrate third-party APIs

• Good understanding of authentication, authorization, JWT, roles, and permissions

• Basic understanding of cloud deployment, Vercel, AWS, Nginx, or PM2 is a plus

• Good debugging and problem-solving skills

• Ability to write clean and structured code

• Basic understanding of UI/UX and responsive design

• Good communication and team coordination skills

Good to Have

• Experience with AI API integrations such as OpenAI or similar tools

• Experience with payment gateways

• Experience with SaaS, CRM, ERP, dashboards, or admin panel development

• Experience with server deployment and production issue handling

• Experience working with international client projects

Who Should Apply

Apply only if you are serious about full-time work and can take ownership of development tasks.

This role is best for someone who wants to grow as a strong full stack developer and work on real business applications, SaaS products, AI-based systems, and international client projects.

Hiring Process

1. Profile screening
2. Technical interview
3. Practical task / code review
4. Final discussion

While applying, please mention:

• Your total experience

• Projects you have worked on using Node.js and Next.js

• Current salary

• Expected salary

• Notice period

• GitHub / portfolio link, if available

Job Responsibilities:

• Understand the problem first-hand. Spend time with the product owner or the ops team that has the problem, and see how the work happens today rather than working from a requirements document alone.
• Design, build and ship end to end. API and data model through to the screen the user touches. Backend and frontend are both yours.
• Take it to production and keep it healthy. Deploy it, monitor it, and act on what the monitoring tells you. Errors, latency, failed jobs and data quality are yours to watch — and ideally you spot the issue before someone reports it.
• Be mindful of what it costs to run. Every service you deploy carries an infrastructure bill. Think about instance sizing, storage, query patterns, log volume and the cost of third-party API calls before you ship, and raise it early when something is likely to get expensive.
• Integrate cleanly with vendors and partners. A large part of our platform is third-party: bureaus, banks, KYC providers, payment rails, co-lenders. Working well with vendor teams, reading their documentation carefully and handling their failure modes gracefully is core to the job, not a distraction from it.
• Be accountable for what you commit to. Give estimates you believe in, flag slippage early, and keep the status visible.
• Leave it documented. A runbook, an API contract, and a short note on any non-obvious decision, so the next engineer — or the next agent — can pick it up without you.
• Build securely by default. We are a regulated lender. Customer and credit data handling, access control, audit trails and PII discipline are part of the definition of done, not a later hardening pass.

Skills Required:

JavaScript , TypeScript , Node.js , API Design , Relational Data Modelling , SQL , Vendor Integration , Third-party Integration , Authentication , Retries , Idempotency , Webhooks , Rate Limits , Queues , Background Jobs , Scheduled Work , React , Component Design , State Management , CSS , Git , CI/CD , DevOps , Containers , AWS , Monitoring , Cost Awareness , Troubleshooting , Documentation , Security

Candidate Attributes:

• Strong JavaScript/TypeScript and Node.js.
• You can design an API, not only implement one.
• Relational data modelling and SQL you can reason about — indexes, query plans, transactions, migrations on live tables.
• Vendor and third-party integrations, done well: authentication, retries, idempotency, webhooks, rate limits, sandbox-to-production rollout, and reconciliation when the other side fails mid-flow.
• Comfort working directly with a vendor's technical team to get an integration over the line.
• Queues, background jobs and scheduled work, including what happens when a job runs twice.
• React with TypeScript.
• Component design, state management, forms that hold up under real user behaviour.
• Enough CSS and layout sense to build a clean screen without a pixel-perfect design handed to you.
• Performance and correctness on the browser side: loading states, error states, the ugly edge cases.
• Tests you actually write. Shipping agent-assisted code at volume only works if the test coverage holds it up.
• Git discipline, CI/CD, and enough DevOps grounding to be self-sufficient: containers, environment configuration, pipelines, deployments and rollbacks.
• You do not need to be an SRE, but you should not need one for routine work.
• AWS fundamentals: how your service runs, scales and fails.
• Instrumenting what you build — logs, metrics, alerts — so problems surface on a dashboard rather than in a customer complaint.
• Reading monitoring output and acting on it: triaging an alert, finding the root cause, and closing the loop with a fix or a tuned threshold rather than muting it.
• An eye on infrastructure cost. Knowing roughly what your service costs to run, spotting the query, log stream or API call pattern that is quietly expensive, and factoring that into design decisions.

About the Job -

We have always been in the spotlight for being adeptin “the next big technologies”. What we can offer you is a space to explore varied technologies and quench your techie soul. We are looking for Developer skilled in technologieslike Node.js and AWS who also holds experience with user-interface design.

Responsibilities: ● The full stack developer will be responsible for design and development of scalable and flexible web applications and creating API to connect to databases and applications from back-end to client-side code, using optimal and efficient technologies, frameworks, and patterns.

● Take responsibility for design, implementation and maintain existing development ecosystem, including bugs – fixing, design and develop new custom components to meet project requirements.

● Working with other developers and software engineers to develop front-end and back-end architecture that's well-structured and flexible, along with the APIs to support it.

● Install and configure server environments for React deployments maintain and update project dependencies as well as fix any conflicts.

● Responsible for regular communication with developer team involved in the development process and testing of new features in the application

● Analyzing requirements and designing new functionality for new projects with cutting edge technology with research on optimization and new features for the existing product by ensuring a required level of performance.

● Candidate must be abreast with latest technologies and trends, relevant standards should be able to work effectively in a multidisciplinary, multinational team environment focused on innovation with comfortable working on a range of problems.

Desired Competencies(Technical/Behavioral Competency) – Must Have-

● Nodejs, MongoDB, Socket.IO and Redis.

● Proficient in Node.js and MongoDB and working knowledge of JavaScript, JQuery, HTML, CSS, frameworks (Angular.js, React.js)

● Experience with Unix/Linux or Windows and/or Mac environments, distributed systems

● Excellent practical knowledge of OOP concepts and SOLID principles ● Microservices and agile development

● Hands-on experience with cloud (AWS) development/hosting.

● Experience with Web services development (SOAP, REST)

● Strong in Object Oriented Programming, MVC, Design patterns and SOLID principles. 

Skills Required: 

• Node.js
• MongoDB
• Angular
•  API optimization  
• Micro Services
• Multi threading
• Socket.io

What role will you play? 

As a Full Stack Engineer, you will play a pivotal role in our development team, bridging the gap between the visual elements and the server-side infrastructure. You will be instrumental in developing full-fledged, scalable applications by combining the art of design with the science of programming. With your expertise in both front-end and back-end technologies, you will ensure the entire stack is designed and built for speed and functionality.  

Your day to day will involve designing and developing dynamic, high-quality web applications, leveraging the Node.js and python for the back end services and React/Angular for the front end. Close collaboration with UI/UX designers will be essential, allowing you to bring web designs to life while ensuring high performance and responsiveness. Additionally, you will actively participate in coding, debugging, and testing to deliver reliable solutions whilst also working closely with other developers, designers, and product managers, fostering a collaborative environment to meet project goals and deadlines effectively. 

What you offer 

• Proficiency in Typescript and a good understanding of React  
• Solid experience with the Node.js, including the ability to develop RESTful APIs 
• Experience with containerisation of service using Docker 
• Knowledge of modern authorisation mechanisms, such as JSON Web Token (JWT)  
• Familiarity with SQL databases, such as PostgreSQL 
• Experience with Kafka or other event driven tools and tech 
• Nice to have some experience integrating with LLMs through open AI, Gemini etc. 
• Nice to have exposure to AI tooling – Claude, Copilot, Cursor etc. 
• AWS experience is a nice to have 

Position: Full Stack Developer (React.js + Node.js)

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.