
We are looking for a Node.js Developer responsible for managing the
interchange of data between the server and the users. 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
● Integration of data storage solutions
Skills And Qualifications:
● 1-3 Years Experienced
● Strong proficiency with JavaScript
● Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc depending on your technology stack)
● Understanding the nature of asynchronous programming and its quirks and workarounds
● Good understanding of server-side templating languages
● Good understanding of server-side CSS preprocessors
● Basic understanding of front-end technologies, such as HTML5, and CSS3
● Understanding accessibility and security compliance (Depending on the specific project)
● 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

About Corewave
About
Corewave Tech Pvt. Ltd. is a leading mobile app development company based in Delhi, India. We specialize in creating customized apps for Android, iOS, cross-platform, Flutter, and web platforms. Our team of experts has extensive experience in working with cutting-edge technologies such as AI, AR/VR, Blockchain, and hybrid cloud computing. We have successfully delivered bespoke app development solutions to a diverse range of industries including Healthcare, Education, Tour & Travel, On-demand services, Food delivery/restaurants, media & entertainment, E-Commerce, Astrology, Service industry, and more.
Connect with the team
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Job Title : Node.js Developer / Backend Developer
Experience : 4+ Years
Job Location : Mumbai – Andheri
Work Mode : Work From Office (5 Days a Week)
Job Type : Full-time Opportunity
Role Overview :
We are seeking an experienced Node.js / Backend Developer to design, develop, and maintain scalable backend systems.
The ideal candidate will have strong hands-on experience with Node.js, Nest.js, relational and NoSQL databases, and AWS cloud services.
You will work closely with frontend developers, DevOps, and product teams to deliver secure, high-performance, and reliable backend solutions.
Mandatory Skills : Node.js, Nest.js, MongoDB, PostgreSQL, AWS, REST API development, strong backend fundamentals.
Key Responsibilities :
• Design, develop, and maintain scalable backend applications using Node.js & Nest.js
• Build and manage RESTful APIs and backend services
• Work with MongoDB and PostgreSQL for efficient data storage and retrieval
• Develop cloud-ready applications and deploy them on AWS
• Ensure application performance, security, and scalability
• Write clean, well-documented, and maintainable code
• Participate in code reviews and follow best engineering practices
• Troubleshoot, debug, and optimize existing applications
• Collaborate with cross-functional teams for end-to-end delivery
Required Skills & Qualifications :
• 4+ years of experience in Backend / Node.js development
• Strong hands-on experience with Node.js and Nest.js
• Experience working with MongoDB and PostgreSQL
• Good understanding of AWS services (EC2, S3, RDS, etc.)
• Experience building RESTful APIs
• Understanding of backend architecture, design patterns, and best practices
• Strong problem-solving and debugging skills
• Familiarity with version control systems (Git)
Good-to-Have Skills :
• Experience with microservices architecture
• Knowledge of Docker and CI/CD pipelines
• Exposure to message queues or event-driven systems
• Basic understanding of frontend-backend integration
Job Overview
Architect and build scalable, high-performance backend systems while working on mission-critical platforms that process real-time market data and portfolio analytics. The role also involves ensuring regulatory compliance and maintaining secure, reliable financial transactions across systems.
Key responsibilites
- Design, develop, and maintain scalable backend services and APIs using NodeJS and Python
- Build event-driven architectures using RabbitMQ and Kafka for real-time data processing
- Develop and manage data pipelines integrating PostgreSQL and BigQuery for analytics and warehousing
- Ensure system reliability, security, and low-latency performance for mission-critical systems
- Lead technical design discussions, conduct code reviews, and mentor junior engineers
- Optimize database queries, implement caching strategies, and improve overall system performance
- Collaborate with cross-functional teams to deliver end-to-end product features
- Implement monitoring, logging, and observability solutions
Required Skills and Qualifications
- 3+ years of professional backend development experience
- Strong expertise in NodeJS and Python for production-grade applications
- Proven experience building RESTful APIs and microservices architectures
- Strong proficiency in PostgreSQL, including query optimization and schema design
- Hands-on experience with RabbitMQ and Kafka
- Experience with BigQuery or similar data warehousing solutions
- Solid understanding of distributed systems, scalability patterns, and high-traffic applications
- Strong knowledge of authentication, authorization, and security best practices, especially in financial systems
- Experience with Git, CI/CD pipelines, and modern development workflows
- Excellent problem-solving and debugging skills
- Exposure to fintech or financial services, cloud platforms (GCP/AWS/Azure), Docker/Kubernetes, caching tools (Redis/Memcached), and regulatory requirements (KYC, compliance, data privacy) is a plus.
Location: Sion, Mumbai
Also Apply at https://wohlig.keka.com/careers/jobdetails/122768
Will be responsible for Backend and infrastructure for mobile app and website.
We are looking to recruit a candidate for a role that will require:
● Talented Leader who will be responsible for Leading a group of talented technical individuals to build
scalable, and secure products
● Leads our Back-End and infrastructure
● Drives architecture and the design of enterprise mobile/web/API solutions at scale
● Work with Product, Testing and Infrastructure teams to understand product vision and requirements
● Oversee the development and execution of development plans and report on execution
● Work with Product and testing teams to understand product vision and requirements
● Has deep exposure to all aspects of engineering, modern web, desktop & mobile application architectures,
data modelling, high level design, low level design, non-functional technical requirements and visual design
Requirement
● 5+ years of experience in hard core development in predominantly product development companies
● Strong troubleshooting, debugging and problem-solving skills
● Proven track record of building scalable and reliable services on Cloud
● Architecture & Design
● Solid experience of designing end-to-end architecture and design of applications using one or more
platforms for large-scale high-throughput solutions
● Design and implement technical governance process as appropriate across the application development
lifecycle
● coding guidelines, quality standards, best practices, code acceptance criteria, automation
● Experience in collaborating with the team in reviewing application architecture. - Node.js, Web Services
REST, MySQL/MongoDB/NoSQL
Education: Engineering/MBA
Work experience: 5 years relevant experience
Compensation: Based on Industry Standards
About Company
Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.
Minimum Requirements/Qualifications:
• Bachelor’s/Master’s degree in computer science, Computer Engineering or a related field is preferred.
• Must have at least 5 to 7 years of experience in PostgreSQL.
• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts.
• Knowledge & hands-on experience with PostgreSQL, Java, and Spring Framework is a must.
• Additional knowledge of JDBC, Apache TomCat Server & relevant open-source technologies is required.
• Must have experience with Bootstrap CSS, jQuery, etc.
• Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database
Connectivity), and RESTful web services.
• Experience in handling external and embedded databases.
Roles & Responsibilities
• Maintaining the Database, creating efficient queries, and understanding and improving the current database structure.
• Develop new modules, patches & Updates/upgrades for an existing application (developed in house by the client)
• Analyze user requirements to define business objectives.
• Maintain Java-based applications that can be high-volume and low-latency.
• Identify and resolve any technical issues arising.
• Write well-designed, testable code.
• Conducting software analysis, programming, testing, and debugging.
• Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.
Mandatory Skills - 4 years in Nodejs, JavaScript, Express.js, MongoDB, Data Structures, Algorithms
"Expertise in Node.js Web frameworks like Meteor, Express, and Kraken.JS
Expertise in building highly scalable web services using Node.js, Create REST API with the help of Node middleware
Deep understanding of REST and API design
Experience designing APIs for consistency, simplicity, and extensibility.
Expertise with JavaScript testing frameworks like Jasmine, Quit, Mocha, Sinnon and Chai.
Expertise with building tools like Web pack, gulp, and grunt.
Integration of various application components
Experience in various phases of the Software Development Life Cycle (SDLC) such as requirements
analysis, design, and implementation in an agile environment, etc.
Node.Js Developer Job Description:
Roles & Responsibilities:
- Developing and maintaining all server-side components.
- 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, debugging, 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.
- Recruiting, mentoring, personal and professional development of new team members
- Managing the team of Nodejs Developers and solving their queries.
- Follow and improve code quality standards
- You would be responsible to take interviews for Node.js Technologies & share practical tasks with the candidates if required.
- Conduct Code Reviews and help the team learn about the mistakes to avoid
- Develop standard practices for developers to continuously improve the quality
- Develop Architecture and design for the complex business problems
- Deployment of code, database migrations, and a thorough understanding of the impact of changes in the production environment
- Understanding and augmenting the system and application architecture as needed
- The ability to organize the development process, create a working atmosphere and distribute the workload in the team.
- Identify programming bottlenecks and bugs and find fixes.
- Familiarity with AWS infrastructure.
- Knowledge of front-end technologies.
- Strong understanding of git.
- learn new technology and distribute it to team members.
Requirements/Qualifications:
- At least 1+ years of experience as a Node.js developer.
- Must have good communication skills in English.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Knowledge of development methodology.
- Must be willing to do hands-on coding where required and perform regular code reviews etc.
- Understanding trends and being able to critically assess.
- Availability to resolve urgent web application issues outside of business hours.
- Experience working in a team leadership role
- Designing scalable systems for high load.
- Defining and improving the development processes which includes implementation and Quality Assurance as well
- Architecting complex scalable systems with a keen eye towards performance, security and availability while also taking on a super hands-on role towards implementation
- Spearheading all inbound and outbound API integrations to build the most robust and scalable integration platform in the B2B Retail space.
- Working on interesting technical challenges in a product centric and open-source driven environment.
- Using open source as much as possible, and blogging about cool things that you learnt and built.
What you need to have:
- B.Tech /B.E.; Any Graduation
- Strong relational DB experience preferred
- Must be very much in touch with backend coding and want to do it everyday
- Our stack is primarily built around Node (Loopback), Mongo and ElasticSearch.
- Deep familiarity with Git and basic working knowledge of DevOps (Server and DB config, Docker, Kubernetes etc) is strongly preferred.
- Deep knowledge of NodeJS, PHP, MongoDB and MySQL.
- The role requires a good knowledge of Algorithmic Design and Architecture, Data structures, OOPS Concepts, serverless architectures and complex problem solving skills.
- You will help set a very high bar on code quality.
- We have started the transition towards micro services, one of your core responsibilities is ensure micro services are used wherever it makes sense









