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WebSocket Jobs in Kolkata

11+ WebSocket Jobs in Kolkata | WebSocket Job openings in Kolkata

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Monjura Parveen
Monjura Parveen
Posted by Monjura Parveen
Kolkata
5 - 12 yrs
₹5L - ₹12L / yr
skill iconGo Programming (Golang)
skill iconNodeJS (Node.js)
skill iconJavascript
WebSocket
RESTful APIs
+5 more

Job Title: Golang Developer

Location: Kolkata

Job Type: Full-time

Working Days: 5 Days (Rotational off)

About the Role:

We are seeking a skilled Golang Developer with experience in Golang, Node.js, WebSocket

communication, and API development. In this role, you will work closely with our development

team to design, develop, and maintain high-performance backend systems and real-time

applications.

Key Responsibilities:

 Design, build, and maintain efficient, reusable, and reliable Golang code.

 Develop scalable APIs and microservices.

 Integrate and build real-time communication using WebSocket protocols.

 Collaborate with frontend developers and other team members to establish objectives

and design more functional, cohesive systems.

 Write clean, maintainable, and well-documented code.

 Optimize applications for maximum performance, scalability, and security.

 Participate in code reviews, contribute to team knowledge, and continuously improve

development processes.

 Troubleshoot, debug, and upgrade existing systems.

 Occasionally work with Node.js services and modules when needed.

Required Skills and Qualifications:

 Min 3+ years of experience in backend development with Golang.

 Solid understanding of Node.js and JavaScript/TypeScript.

 Hands-on experience with WebSocket integration and real-time applications.

 Strong knowledge of RESTful APIs, API design principles, and API documentation. Experience with relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).

 Good understanding of concurrent programming and microservices architecture.

 Familiarity with cloud platforms (AWS, GCP, Azure) is a plus.

 Knowledge of containerization tools like Docker and Kubernetes is a plus.

 Strong problem-solving skills, attention to detail, and a proactive attitude.

Read more
Deqode

at Deqode

1 recruiter
purvisha Bhavsar
Posted by purvisha Bhavsar
Indore, Pune, Bhopal, Mumbai, Nagpur, Kolkata, Bengaluru (Bangalore), Chennai
4 - 6 yrs
₹4.5L - ₹18L / yr
skill iconJava
skill iconSpring Boot
Microservices
SQL

🚀 Hiring: Java Developer at Deqode

⭐ Experience: 4+ Years

📍 Location: Indore, Pune, Mumbai, Nagpur, Noida, Kolkata, Bangalore,Chennai

⭐ Work Mode:- Hybrid

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)


Requirements

✅ Strong proficiency in Java (Java 8/11/17)

✅ Experience with Spring / Spring Boot

✅ Knowledge of REST APIs, Microservices architecture

✅ Familiarity with SQL/NoSQL databases

✅ Understanding of Git, CI/CD pipelines

✅ Problem-solving skills and attention to detail


Read more
Deqode

at Deqode

1 recruiter
Mokshada Solanki
Posted by Mokshada Solanki
Mumbai, Delhi, Gurugram, Noida, Ghaziabad, Faridabad, Pune, Kolkata, Ahmedabad, Chennai, Indore, Jaipur
4.5 - 6 yrs
₹6L - ₹18L / yr
skill iconJava
Microservices
06692

We are looking for a highly skilled Backend Developer with expertise in Core Java, Java 8, and Data Structures. The ideal candidate should have experience in Spring Boot, JPA/Hibernate, and Microservices architecture. If you are passionate about backend development and want to work in a dynamic environment, we’d love to hear from you!


Key Responsibilities:

  • Develop and maintain backend applications using Core Java and Java 8.
  • Design and implement RESTful and SOAP web services.
  • Work with Spring Framework, Spring Boot, and JPA/Hibernate for backend development.
  • Build and optimize microservices-based architectures.
  • Manage databases such as PostgreSQL, MySQL, or Oracle.
  • Collaborate with cross-functional teams to deliver high-quality software solutions.
  • Write clean, efficient, and scalable code while following best practices.

Requirements:

✅ Strong hands-on experience in Java (Core Java, Java 8) and Data Structures.

✅ Proficiency in Spring, Spring Boot, JPA/Hibernate.

✅ Experience in developing and consuming RESTful & SOAP APIs.

✅ Knowledge of Microservices architecture and best practices.

✅ Database expertise in PostgreSQL, MySQL, or Oracle.

✅ Excellent verbal and written communication skills.


Nice to Have:

  • Experience with Docker/Kubernetes.
  • Knowledge of CI/CD pipelines and DevOps practices.
  • Exposure to cloud platforms (AWS, GCP, or Azure).
Read more
Codebuddy Pvt. Ltd.

at Codebuddy Pvt. Ltd.

2 recruiters
Abhishek Gupta
Posted by Abhishek Gupta
Pune, Kolkata
2 - 4 yrs
₹5L - ₹8L / yr
skill iconNodeJS (Node.js)
skill iconMongoDB
Mongoose
skill iconExpress
TypeScript

Node JS Developer


We are looking for a Node JS Developer to join our team.

In this role, you will be entrusted with developing JavaScript applications using Node.js(NestJs framework).


Apply now for the role of a Node JS Developer at Codebuddy which is opening doors for skilled, energetic developers looking for Node JS Developer Jobs.


If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures and if you love problem-solving, Designing systems, and creating quality offerings, you would fit perfectly in Codebuddy.


Responsibilities:

  • 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 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.
  • Analyze requests for enhancements/changes and write amendment/program specifications.
  • Understand the inter-dependencies of the service (application, system, and database) and be able to pinpoint problem areas accurately to improve overall efficiency.
  • Translate storyboards and various use cases to create high-performing apps
  • Help in code automation

What You Need To Apply (Technical Competency) :

  • Bachelor's degree in computer science, information science, or similar.
  • Minimum two years of experience as a Node.js developer.
  • Minimum 6 months of hands-on experience with TypeScript.
  • Basic knowledge of NestJs and ExpressJs.
  • Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
  • Knowledge of MongoDB.
  • Knowledge of front-end technologies such as HTML5 and CSS3.
  • Basics of Linux commands and basic Git knowledge for everyday workflow.
  • Superb interpersonal, communication, and collaboration skills.
  • Exceptional analytical and problem-solving aptitude.
  • Great organizational and time management skills.
  • Availability to resolve urgent web application issues outside of business hours.
  • Self-motivated with the ability to work independently or jointly in a self-directed way.


Read more
Voice technology platform for enterprises

Voice technology platform for enterprises

Agency job
via Qrata by Prajakta Kulkarni
Kolkata
5 - 8 yrs
₹15L - ₹24L / yr
skill iconJava
skill iconPython
skill iconGo Programming (Golang)
skill iconNodeJS (Node.js)
skill iconSpring Boot
+3 more
Requirement-

Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for Mihup, its customers
and partners.
 Work closely with your fellow engineers to develop systems capable of concurrently
processing massive amounts of voice data both in online real-time as well as offline
environments.
 Drive accountability for test driven development, delivery of high-quality features and
resilient enterprise class solutions.
 Lead a culture of team ownership and direct individual and team accountability to
continuously improve how they work to achieve results.
 Work in a startup environment, pushing boundaries with deep involvement with business.

BE//BTech/ME/MTech in Computer Science or a related field from a Tier I or Tier II
University.
 6-8 years of hands-on software development and deployment experience (experience of
working in a consumer product startup during its growth phase will be a plus) of which 1 – 2
years of experience would be in leading a team of software developers.
 Expertise in Java 8+ and Spring Boot is a must
 Good experience in messaging platforms like RabbitMQ/Kafka
 Good experience in distributed systems and relational & NoSQL databases like PostgreSQL,
MySQL, Redis, MongoDB, etc.
 Expertise in one or more of: Python, NodeJS, GoLang would be preferred
 Must have hands on experience in products which handle multiple concurrent calls (API),
handle CPU intensive jobs, consist of multiple asynchronous system calls.
 Worked on microservices based architecture and design
 Managed/ Owned infrastructure on AWS/Microsoft Azure/private clouds and setup high
availability systems
 Knowledge of Docker and Kubernetes
 Knowledge of RESTful APIs, caching concepts, the HTTP protocol and general web
architecture
Pluses
1. Anything that will let us know more about who you are that you would like to share such as
Blogs, Twitter, Medium, GitHub etc. 
Read more
Fintech leader on global transaction in banking

Fintech leader on global transaction in banking

Agency job
via The Hub by Sridevi Viswanathan
Kolkata, Mumbai, Hyderabad, Pune
2 - 8 yrs
₹9L - ₹15L / yr
skill iconJava
skill iconSpring Boot
RESTful APIs

Key Responsibilities:

  • Development of a Single Page Application (SPA) and it's components in Typescript: deployed and optimized for progressive mobile and browsers using Angular 2 and Ionic 2 frameworks.
  • Creating custom, general use modules and smart components which extend the elements and modules of core Angular framework.
  • Creating self-contained, reusable, and testable modules and components in Typescript and using responsive HTML and CSS.
  • Architecting and automating the build process for production, using task runners or scripts.
  • Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

Skills and Qualifications:

  • Should have experience with CSS 3, SCSS, Java script and HTML5.
  • Full-time knowledge of Angular practices and commonly used modules based on extensive work experience. Or 2 Year or more experience with other industry-leading frameworks like React.
  • Minimum 1-year experience in working and extending one of the CSS or UI frameworks like Ng-lightening, Angular-material

Education:

  • BE / BTech / MCA
Read more
Crescentek
MIKA BHATTACHARJEE
Posted by MIKA BHATTACHARJEE
Kolkata
2 - 7 yrs
₹2L - ₹5L / yr
Wordpress
skill iconPHP
skill iconLaravel
skill iconCodeIgniter
skill iconJavascript
+2 more
Candidate must have the following skills:
1. Custom PHP development,
2. One framework like larval or CI
3. Solid Javascript & Jquery
4. Wordpress Plugin development
5. Custom Theme development
6. Advance Woocommerce knowledge
7. Elementor, Divi Page builder working experience
Read more
leading TMT bar manufacturer and exporter in India

leading TMT bar manufacturer and exporter in India

Agency job
via Merito by Gaurav Bhosle
Kolkata
3 - 8 yrs
₹20L - ₹30L / yr
skill iconNodeJS (Node.js)
skill iconMongoDB
Mongoose
skill iconExpress
Hello

 

About the Company

 

Our client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.

 

 

Job Description

Experience : 3-5Years

 

Requirement

 

  • 3+ years of backend/full-stack development experience
  • Proficient knowledge of a back-end programming language i.e Node.Js
  • Experience with AWS services,Mongo DB
  • Experience with RabbitMQ or similar queuing system
  • Experience with Redis/ElasticSearch/PHP is a plus
  • Familiarity with CI/CD pipeline tools like Jenkins
  • Experience in handling a team
  • Good at Design patterns, Algorithms, and Data structures.
  • Have outstanding leadership skills, excellent people/communication, and negotiation skills
  • Good knowledge of working with Git 

 

  • User authentication and authorization between multiple systems, servers, and

           environments.

  • Integration of multiple data sources and databases into one system

           Management of the hosting environment, including database administration

           and scaling an application to support load changes

 

.

 

 

 

Regards
Team Merito




Read more
One of our esteemed client located at Kolkata

One of our esteemed client located at Kolkata

Agency job
via Cerebrino Solutions by Abhijit Vichare
Kolkata
3 - 7 yrs
₹4L - ₹7L / yr
Fullstack Developer
skill iconJavascript
skill iconPHP
skill iconPython
skill iconRuby on Rails (ROR)
+3 more
Position: Full Stack Developer Type Of Position: Contract To Hire (CTH) Number of positions: 7 Years of Experience: 3 to 5 years Location: Kolkata Skills: Core Java, Collection framework, Threading, Oops concepts J2ee, JSP, Servlet, JSTL, Spring Frameworks (Spring MVC must, Spring boot added advantage), Web services, REST and SOAP XML, XSLT, JSON, Java Script, JQuery Development of API’s Database - MySQL, NoSQL (MongoDB),complex query, triggers, stored procedure Application server - Web server (Tomcat, JBoss) Should be comfortable in Linux Design Pattern, SRS Design document Unit Testing The interested candidates should send their CVs to [email protected] with following details: Position Applied for: Current Location: Total Experience: Relevant Experience: Current CTC: Expected CTC: Notice Period: (preference will be given to the candidate who can join in 15-20 days) Ready to work on ‘Contract To Hire’ position?: Skype Id: Thank You Talent Acquisition Team Cerebrino Solutions
Read more
Skooltree technologies private limited
ABHISEK SINHA
Posted by ABHISEK SINHA
Kolkata
1 - 12 yrs
₹5L - ₹8L / yr
skill iconPHP
MySQL
Object Oriented Programming (OOPs)
skill iconHTML/CSS
skill iconjQuery
+3 more
1+ year of experience in back-end development Strong knowledge of OOP Proficiency in PHP & MySql Sound knowledge of data structure and algorithms Git Would be a plus: Experience developing with RESTful API services Knowledge of HTML, CSS and JavaScript with jQuery Working knowledge of any PHP framework Responsibilities: Development and maintaining back-end parts on the web applications. Architecture & development of new and existing components. Actively participate in the implementation and release of new product features.
Read more
Artificial Learning Systems is a Deep Learning company

Artificial Learning Systems is a Deep Learning company

Agency job
Kolkata
3 - 7 yrs
₹3L - ₹15L / yr
skill iconPython
skill iconDjango
RabbitMQ
Algorithms
skill iconC
+4 more
Candidate Profile: The ideal candidate will be passionate about this role which involves deep knowledge of both the application and the product, and he/she will also believe that automation is key to operating large-scale systems. He/She should have created and led an application development from scratch. Should have good scaling experience of DB. Education: BE/B.Tech. from reputed College Technical skills required: • 5+ years’ experience as a backend web developer in Python • Software design skills in product development • Strong understanding of the 3 key areas of web application architecture server backend, frontend presentation (HTML, CSS) and interactive web (JavaScript and jQuery) • Proficiency in a modern open-source NoSQL database, preferably Cassandra • Proficient in HTTP protocol, REST APIs, JSON • Ability to do database design and modeling • Experience with Flask (Must have) Django (Good to have) • Experience with Gunicorn, Celery, RabbitMQ • Experience in AWS
Read more
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