
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.

About BigThinkCode Technologies
About
Business is about solving problems for the customer. We solve technology problems for the business. Your big, ambitious plans require a strong technology backbone. Using a skilful combination of creativity, code, and commitment, we help solve the problems of scalability, dexterity, and agility for your business, allowing you to do what you do best - create continuous value for your customers.
We take our quality of delivery and security as the highest priority, which is backed by ISO/IEC 27001:2013 (ISMS) certification for international security, reliability, quality, data protection, and trust standards. We have helped few of our clients to architect and comply with their platform/application for SOC 2 standards.
Connect with the team
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We are looking for a skilled Backend Developer with strong experience in building, scaling, and optimizing server-side systems. The ideal candidate is proficient in Node.js, FastAPI (Python), and database design, with hands-on experience in cloud infrastructure on AWS or GCP.
Responsibilities:
Design, develop, and maintain scalable backend services and APIs using Node.js and FastAPI
Build robust data models and optimize performance for SQL and NoSQL databases
Architect and deploy backend services on GCP/AWS, leveraging managed cloud services.
Implement clean, modular, and testable code with proper CI/CD and observability (logs, metrics, alerts)
Ensure system reliability, security, and high availability for production environments
Requirements:
2–5 years of backend development experience
Strong proficiency in Node.js, FastAPI, REST APIs, and microservice architecture
Solid understanding of PostgreSQL/MySQL, MongoDB/Redis or similar NoSQL systems
Hands-on experience with AWS or GCP, Docker, and modern DevOps workflows
Experience with caching, queueing, authentication, and API performance optimization
Good to Have:
Experience with event-driven architecture, WebSockets, or serverless functions
Familiarity with Kubernetes or Terraform
Job Location: Gurugram, Haryana, India
Industry: Artificial Intelligence
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers. We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products ○ Spring ○ PostgreSQL ○ Redis ○ Docker ○ Message brokers ○ GitHub
● These non-functional areas are familiar to you ○ Performance ○ Debugging ○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for me?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
Salary ranges from 20 LPA onwards; negotiable based on experience
Mandatory Skills Required:
▪ ASP.NET & .NET Core, C#, NET 2.0 Web Services, OAuth 2.0 (JWT)
▪ Sitecore 9 and 10, Sitecore MVC, Sitecore JSS, Content Hub, Digital Asset Manager, Product Catalog Manager, Sitecore Experience Manager, Experience Platform, Customer Data Management
▪ Good working knowledge of CI/CD environments (preferably Azure DevOps), Git or similar confuration management software
Required Experience:
▪ Bachelor's degree in Computer Science or Computer Engineering from an accredited university
▪ 5+ years of relevant industry experience
▪ Must have worked with industry leading Content Management systems; certification in Sitecore is a must
▪ Strong fundamentals in Software Architecture & Software Engineering - OOP, RESTful architectures, Design Patterns, Data Structures, Algorithms
▪ Experience with RESTful API development, Open API specification ▪ Experience with Microservices Development; working on Docker, Kubernetes
▪ Experience analyzing and tuning application performance
Primary responsibilities include :
1. Leading a small team of software engineers and, also contributing individually to design, develop and test software for cloud, web and mobile
2. Design, develop, test and document quality software to user and functional requirements within specified timeframes and in accordance with CNHI coding standards
3. Design and implement complex real-time data visualization technologies
4. Generate rapid prototypes for feasibility testing
5. Generate all documentation relevant to software operation
6. Adhere to prescribed development systems, processes procedures and ensure efficient, effective,high quality delivery
7. Contribute to the improvement of development systems, processes, procedures
8. Contribute to growing team members, building a strong cohesive team; provide guidance, mentorship
9. Communicate effectively with all stakeholders
10. Perform tasks as specified by the Delivery Lead/Team Lead
Responsibilities-
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write clean code to develop functional web applications
- Troubleshoot and debug 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 to identify new features
- Follow emerging technologies
Requirements-
- Spent at least 1 yr in a solid back end role
- Experience taking a problem to a product solution (module/product)
- Prior experience working with startups and understanding the fast-paced, dynamic nature of work
Must have skillsets:
- Javascript, NodeJS
- Client-server architecture
- OOP concepts, including design patterns
- Understanding of RDBMS (MySQL, Postgresql)
- Understanding of REST API
- Familiarity with frameworks such as ExpressJs
- Knowledge of TDD frameworks mocha, chai, jest, etc
- Knowledge of AWS (Lambda, RDS, EC2, SQS, S3, ECS, etc)
- Basic knowledge of Typescript, NextJs
- Prior experience in fin-tech
- Collaborating with the product team to understand the requirement
- Managing Design and development of the product
- Ensuring code quality, security and extensibility
- Following the agile development cycles
- Conducting performance tests and optimization of the code based on the results.
- Debugging and troubleshooting of technical issues
- Helping the support team to resolve external user issues
Desired Candidate Profile
What you need to have:- B.Tech /B.E.; M.Tech; MCA
- Strong at OOPS, Java/ J2EE, JAX-RS, JDBC, RESTful Web Services, Data Structures, Queues, Multi-Threading etc.
- MySQL and Mongo database knowledge
- Basic understanding of AWS Cloud
- Must have worked on highly scalable and available systems
- Good at adapting and understanding architecture and overall design of the system
- Exposure to design patterns is a plus
- Must have exposure to agile development
- Experience of creating and maintaining system documentation such as architecture, design, deployment plan etc.
- The candidate must have excellent technical skills and must be willing to learn
- new technologies on the go.
- Good at communication
- Good Exposure to Kafka and Redis
2. Responsible for doing customer API integrations and other integrations required to onboard new e-commerce marketplaces, logistic providers, ERP and accounting systems. 3. Responsible to write code for API integrations, perform debugging tasks, do application tests, do configuration and code reviews to ensure the product is satisfactory.
The candidate would provide the firms SASS platform with ongoing technical support. This support includes responding to customer issues, providing updated software that solves bug issues, and working with the customer service team.
a. Expert in Core PHP & OOP Concepts
b. Medium in Mysql DB
c. Expert in HTML & JS/Jquery
d. Knowledge on CSS id preferred
e. Experience on any one of the MVC framework is mandatory
(NOTE-we are lookking for those ho can join immediatley or within 15-20days of notice period)
Job Description:
Passionate about making an impact, have a high level of energy and resilient when met with challenges. In addition, you will possess the below:
• Owns, implements and delivers key modules, and when necessary develops quick working prototypes
• Ensures that code developed is easy to test, easy to understand, extensible
• Ensures unit tests, integration tests are written for all modules implemented
• Ensures on time, quality delivery
• Does component /module/ sub- system design with Micro services
• Good to know NoSQL database, MongoDB
• Store user identities and authenticating requests using JWT
• Experience in deploying application to the cloud with Docker, docker compose and Kubernetes
• Good exposure in handling commands, events, handlers and other design patterns
• Delve into unit- and integration-testing the distributed system
• Experience in developing mobile apps (Android and iOS)
• CI/CD pipeline experience (Jenkins, CircleCI, or other)
• Supports in project estimation, planning
• Performs the role of a Specialist by ensuring the consistency and efficient integration of the separate modules of software that meets the product specification.
• Manages technical communication with partners and stakeholders
• Up-to-date with the latest trends, techniques, and technologies in cloud computing
• Strong team player
• Agile development, Scrum, Scaled Agile Framework (SAFe)
• Ability to engage with multi-site teams in a multi BU environment
• Excellent abstraction and analytical skills
• Excellent communication and documentation skills
• Ability to stay focused on the target in an ambiguous situation.
• Proactive and self-driven
Key Requirements:
• 8+ years professional experience in commercial or web-scale system software development and delivery Strong analytical skills
• 5+ years Experience in building micro services using .NET core, MVC core, JavaScript, XML
• Awareness – Python, Django, PHP, Angular, CSS
• 2+ year hands-on Azure experience.
• Experience in handling messages through distributed system
• Date store - SQL Server, MySQL, PostgreSQL, Redis etc
• In-depth hands on technology experience in the following areas:
o Strong in Object Oriented Programming concepts
o Experience in developing software using C# .NET, Cloud (Azure), SQL Server, CI/CD pipeline
o Experience in Test driven development using NUnit, mocking framework
o Database - SQL server, ORM and PostgreSQL, Redis
o Mobile application development and architecture aware
o Client/server - Networking, multithreading
o Deployment - Docker, Kubernetes
o Understanding of Cloud concepts, cloud deployments
o In depth understanding of ASP.net, MVC, IIS, security, Web API
o Working knowledge of Azure
o Exposure to Agile Scrum way of working, pair programming
o .NET Core, Web API, WPF, MVVM
o REST, JSON, JSON Schema
o Client / server, networking,
o Internet services, Windows Services, Security
o Any unit test framework (Nunit,MSTest), Mocking Framework (Moq,RhinoMock), TDD, Git , Jira
• 5+ years experience in Architecting solutions in software industry
• Experience architecting large scale web applications/products is a MUST
• Experience with technologies like .Net technologies, ASP.net Core, PHP, Angular, MySQL, Node.js, Python, Django, PostgreSQL & other new- edge technologies
• Experience with architecting, developing, and deploying on Azure Cloud platform is a must
• SaaS experience preferred in-depth working experience
• Must have experience in scalability, reliability, performance optimization, developing and deploying API based applications.
• In depth knowledge in DB Schema Design, Data Structures and trade- offs involved in writing queries
• Vast experience in integrating with external APIs and SDKs
Education
Bachelor or Masters Education in electronics, computer, software engineering or other relevant discipline.







