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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
NeoGenCode Technologies Pvt Ltd
Akshay Patil
Posted by Akshay Patil
Bengaluru (Bangalore), Pune, Hyderabad, Chennai, Kolkata
8 - 15 yrs
₹25L - ₹45L / yr
skill iconJava
skill iconSpring Boot
Microservices
skill iconLeadership
Team leadership
+11 more

Job Title : Lead Java Developer (Backend)

Experience Required : 8 to 15 Years

Open Positions : 5

Location : Any major metro city (Bengaluru, Pune, Chennai, Kolkata, Hyderabad)

Work Mode : Open to Remote / Hybrid / Onsite

Notice Period : Immediate Joiner/30 Days or Less


About the Role :

  • We are looking for experienced Lead Java Developers who bring not only strong backend development skills but also a product-oriented mindset and leadership capability.
  • This is an opportunity to be part of high-impact digital transformation initiatives that go beyond writing code—you’ll help shape future-ready platforms and drive meaningful change.
  • This role is embedded within a forward-thinking digital engineering team that thrives on co-innovation, lean delivery, and end-to-end ownership of platforms and products.


Key Responsibilities :

  • Design, develop, and implement scalable backend systems using Java and Spring Boot.
  • Collaborate with product managers, designers, and engineers to build intuitive and reliable digital products.
  • Advocate and implement engineering best practices : SOLID principles, OOP, clean code, CI/CD, TDD/BDD.
  • Lead Agile-based development cycles with a focus on speed, quality, and customer outcomes.
  • Guide and mentor team members, fostering technical excellence and ownership.
  • Utilize cloud platforms and DevOps tools to ensure performance and reliability of applications.

What We’re Looking For :

  • Proven experience in Java backend development (Spring Boot, Microservices).
  • 8+ Years of hands-on engineering experience with at least 2+ years in a Lead role.
  • Familiarity with cloud platforms such as AWS, Azure, or GCP.
  • Good understanding of containerization and orchestration tools like Docker and Kubernetes.
  • Exposure to DevOps and Infrastructure as Code practices.
  • Strong problem-solving skills and the ability to design solutions from first principles.
  • Prior experience in product-based or startup environments is a big plus.

Ideal Candidate Profile :

  • A tech enthusiast with a passion for clean code and scalable architecture.
  • Someone who thrives in collaborative, transparent, and feedback-driven environments.
  • A leader who takes ownership beyond individual deliverables to drive overall team and project success.

Interview Process

  1. Initial Technical Screening (via platform partner)
  2. Technical Interview with Engineering Team
  3. Client-facing Final Round

Additional Info :

  • Targeting profiles from product/startup backgrounds.
  • Strong preference for candidates with under 1 month of notice period.
  • Interviews will be fast-tracked for qualified profiles.
Read more
GLOBAL DIGITAL TRANSFORMATION SOLUTIONS PROVIDER

GLOBAL DIGITAL TRANSFORMATION SOLUTIONS PROVIDER

Agency job
via Peak Hire Solutions by Dhara Thakkar
Thiruvananthapuram, Trivandrum, Bengaluru (Bangalore), Mumbai, Navi Mumbai, Ahmedabad, Chennai, Coimbatore, Gurugram, Hyderabad, Kochi (Cochin), Kolkata, Calcutta, Noida, Pune
8 - 12 yrs
₹20L - ₹40L / yr
skill icon.NET
Agile/Scrum
skill iconVue.js
Software Development
API
+21 more

Job Position: Lead II - Software Engineering

Domain: Information technology (IT)

Location: India - Thiruvananthapuram

Salary: Best in Industry

Job Positions: 1

Experience: 8 - 12 Years

Skills: .Net, Sql Azure, Rest Api, Vue.Js

Notice Period: Immediate – 30 Days


Job Summary:

We are looking for a highly skilled Senior .NET Developer with a minimum of 7 years of experience across the full software development lifecycle, including post-live support. The ideal candidate will have a strong background in .NET backend API development, Agile methodologies, and Cloud infrastructure (preferably Azure). You will play a key role in solution design, development, DevOps pipeline enhancement, and mentoring junior engineers.


Key Responsibilities:

  • Design, develop, and maintain scalable and secure .NET backend APIs.
  • Collaborate with product owners and stakeholders to understand requirements and translate them into technical solutions.
  • Lead and contribute to Agile software delivery processes (Scrum, Kanban).
  • Develop and improve CI/CD pipelines and support release cadence targets, using Infrastructure as Code tools (e.g., Terraform).
  • Provide post-live support, troubleshooting, and issue resolution as part of full lifecycle responsibilities.
  • Implement unit and integration testing to ensure code quality and system stability.
  • Work closely with DevOps and cloud engineering teams to manage deployments on Azure (Web Apps, Container Apps, Functions, SQL).
  • Contribute to front-end components when necessary, leveraging HTML, CSS, and JavaScript UI frameworks.
  • Mentor and coach engineers within a co-located or distributed team environment.
  • Maintain best practices in code versioning, testing, and documentation.


Mandatory Skills:

  • 7+ years of .NET development experience, including API design and development
  • Strong experience with Azure Cloud services, including:
  • Web/Container Apps
  • Azure Functions
  • Azure SQL Server
  • Solid understanding of Agile development methodologies (Scrum/Kanban)
  • Experience in CI/CD pipeline design and implementation
  • Proficient in Infrastructure as Code (IaC) – preferably Terraform
  • Strong knowledge of RESTful services and JSON-based APIs
  • Experience with unit and integration testing techniques
  • Source control using Git
  • Strong understanding of HTML, CSS, and cross-browser compatibility


Good-to-Have Skills:

  • Experience with Kubernetes and Docker
  • Knowledge of JavaScript UI frameworks, ideally Vue.js
  • Familiarity with JIRA and Agile project tracking tools
  • Exposure to Database as a Service (DBaaS) and Platform as a Service (PaaS) concepts
  • Experience mentoring or coaching junior developers
  • Strong problem-solving and communication skills
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
Hashone Careers

Hashone Careers

Agency job
Bengaluru (Bangalore), Pune, Hyderabad, Chennai, Coimbatore, Noida, Indore, Kolkata, Jaipur
7 - 11 yrs
₹10L - ₹30L / yr
skill iconJava
Apache Camel
Spring framework
Azure Devops
RESTful APIs
+4 more

Integration Developer


ROLE TITLE

Integration Developer


ROLE LOCATION(S)

Bangalore/Hyderabad/Chennai/Coimbatore/Noida/Kolkata/Pune/Indore


ROLE SUMMARY

The Integration Developer is a key member of the operations team, responsible for ensuring the smooth integration and functioning of various systems and software within the organization. This role involves technical support, system troubleshooting, performance monitoring, and assisting with the implementation of integration solutions.


ROLE RESPONSIBILITIES

·       Design, develop, and maintain integration solutions using Spring Framework, Apache Camel, and other integration patterns such as RESTful APIs, SOAP services, file-based FTP/SFTP, and OAuth authentication.

·       Collaborate with architects and cross-functional teams to design integration solutions that are scalable, secure, and aligned with business requirements.

·       Resolve complex integration issues, performance bottlenecks, and data discrepancies across multiple systems. Support Production issues and fixes.

·       Document integration processes, technical designs, APIs, and workflows to ensure clarity and ease of use.

·       Participate in on-call rotation to provide 24/7 support for critical production issues.

·       Develop source code / version control management experience in a collaborative work environment.


TECHNICAL QUALIFICATIONS

·       5+ years of experience in Java development with strong expertise in Spring Framework and Apache Camel for building enterprise-grade integrations.

·       Proficient with Azure DevOps (ADO) for version control, CI/CD pipeline implementation, and project management.

·       Hands-on experience with RESTful APIs, SOAP services, and file-based integrations using FTP and SFTP protocols.

·       Strong analytical and troubleshooting skills for resolving complex integration and system issues.

·       Experience in Azure Services, including Azure Service Bus, Azure Kubernetes Service (AKS), Azure Container Apps, and ideally Azure API Management (APIM) is a plus.

·       Good understanding of containerization and cloud-native development, with experience in using Docker, Kubernetes, and Azure AKS.

·       Experience with OAuth for secure authentication and authorization in integration solutions.

·       Strong experience level using GitHub Source Control application.

·       Strong background in SQL databases (e.g., T-SQL, Stored Procedures) and working with data in an integration context.

·       Skilled with Azure DevOps (ADO) for version control, CI/CD pipeline implementation, and project management.

·       Experience in Azure Services, including Azure Service Bus, Azure Kubernetes Service (AKS), Azure Container Apps, and ideally Azure API Management (APIM) is a plus.


GENERAL QUALIFICATIONS

·       Excellent analytical and problem-solving skills, with a keen attention to detail.

·       Effective communication skills, with the ability to collaborate with technical and non-technical stakeholders.

·       Experience working in a fast paced, production support environment with a focus on incident management and resolution.

·       Experience in the insurance domain is considered a plus.

EDUCATION REQUIREMENTS

·       Bachelor’s degree in Computer Science, Information Technology, or related field.

 

 

 

 

Read more
StyloPAY

at StyloPAY

4 recruiters
Shashikant Kumar
Posted by Shashikant Kumar
Kolkata
0 - 1 yrs
₹1.2L - ₹2.4L / yr
skill iconJava
J2EE
Struts
Spring
Hibernate (Java)
+5 more
Core Java, J2EE, Core Spring Framework and Spring boot skills
Knowledge of REST API, XML and RESTFUL web services
Working knowledge on SQL, JQuery, web services, Eclipse IDE would be a plus
Read more
TSG Global Services Private Limited
Sony Pathak
Posted by Sony Pathak
Remote, Kolkata
1 - 3 yrs
₹1L - ₹3L / yr
ASP.NET
ASP.NET MVC
skill icon.NET
Microservices
RESTful APIs
+1 more

Exp-Min Year

Location Kolkata-On site & Remote

Sal-Nego



JD


Hands on design and in depth development experience in Microsoft NET

·        technologies including C#, ASP NET MVC, Web API, Entity Framework and LINQ

·        knowledge of MS SQL Server 2014 above

·        Experience with version control systems GIT

·        Experience creating and consuming web services including REST JSON

·        Skills (Technical / Specialist Skills)

·        Proficiency in .NET Development with .NET Framework 4.5 or later, Asp.net MVC,

·        C#, Web API, LINQ, Entity Framework, SQL Server 2014 or above, jQuery.

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
Trigyn Technologies
Remote, Hyderabad, Bengaluru (Bangalore), Chennai, Mumbai, NCR (Delhi | Gurgaon | Noida), Mangalore, Vijayawada, Visakhapatnam, Kochi (Cochin), Kolkata, Pune
5 - 10 yrs
₹3L - ₹30L / yr
Drupal
skill iconPHP
Relational Database (RDBMS)
MySQL

The ideal candidate would be a person having a strong technical know-how of Drupal application development & CMS concepts, backed with an equally strong hands-on experience. He / She should be fluent with the design concepts using Drupal 8 and above(Must) as well as be well versed with the best practices in the development, testing & deployment phases.

Experience : 5 – 9 years

Contract duration : 6 months


Major Accountability

• Demonstrate expertise in authoring & customizing Drupal modules as well as have experience in working with views, panels and features.
• Carry-out impact analysis & estimation for given set of requirements.
• Develop code by adhering to the Drupal, security and accessibility standards.
• Act as liaison with the client for troubleshooting: investigate, analyze, and solve software problems.
• Work self-directed and independently.

Essential Skills & Experience

• Have overall 4-8 years of IT experience on Drupal 8 platforms.
• Have expertise in developing complex websites based on Drupal 8 platforms and framework-based web applications.
• Have expertise in LAMP environment.
• Have working knowledge of web servers like Apache, Nginx etc.
• Have strong experience with source/version control systems.
• Have excellent communication, analytical & presentation skills.

Education

• Minimum education: B.E., BTech, MCA
• Languages: English written & spoken

Read more
maerke manpower

at maerke manpower

1 recruiter
Shekhar Chatterjee
Posted by Shekhar Chatterjee
Kolkata
2 - 3 yrs
₹4L - ₹5L / yr
skill icon.NET
ASP.NET
skill iconC#
Visual Basic (VB)
Relational Database (RDBMS)
+6 more
JOB RESPONSIBILITIES:

• Knowledge of .NET framework
• Experienced in at least one relational database e.g. MS SQL, Oracle
• Problem-solving and analytical capabilities
• Ability to complete tasks and maintain productivity with minimal supervision
• Used to work remotely and in an international work environment is a plus
• Producing detailed specifications and writing the program codes.
• Maintaining the systems once they are up and running.
• Recommend and execute modifications to the existing

DESIRED CANDIDATE PROFILE:

1. Education:- Any Graduate / BCA / PG Diploma / B.Tech / MCA / MBA (IT)

2. Technical Skill Sets:-

Languages: VB / http://vb.net/">VB.Net / http://asp.net/">Asp.Net / C#
RDBMS: Oracle / MS Sql Server / MySql
Web Technology: HTML / DHTML / http://asp.net/">ASP.Net / AJAX / HTML-5
Read more
Remote only
1 - 20 yrs
₹4L - ₹15L / yr
skill iconJavascript
skill iconLaravel
Details Here :
https://www.binaryfolks.com/career/technical-architect
http://www.binaryfolks.com/career/developer-sr-developer" target="_blank">http://www.binaryfolks.com/career/developer-sr-developer

DEVELOPER: INR 4,00,000 - INR 8,00,000 PER ANNUM

SR. DEVELOPER: INR 5,00,000 - INR 12,00,000 PER ANNUM

TECHNICAL ARCHITECT: INR 9,00,000 - INR 20,00,000 PER ANNUM

SR. TECHNICAL ARCHITECT: INR 14,00,000 - INR 30,00,000 PER ANNUM

Read more
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