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WebSocket Jobs in Kolkata

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

Apply to 11+ WebSocket Jobs in Kolkata on CutShort.io. Explore the latest WebSocket Job opportunities across top companies like Google, Amazon & Adobe.

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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
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
Xempla

at Xempla

2 recruiters
Ankan Dutta
Posted by Ankan Dutta
Kolkata, Bengaluru (Bangalore)
1 - 3 yrs
₹6L - ₹10L / yr
skill iconMongoDB
skill iconPython
skill iconFlask
skill iconGit
RESTful APIs
+4 more

What we are looking

  • You must have experience in Python, including development of microservices using flask/fastapi/sanic.
  • You hold knowledge of at least one Python web frameworks
  • You have experience in NoSQL databases such as MongoDB
  • You are familiar with relational databases and unstructured data.
  • You are familiar with some ORM (Object Relational Mapper) libraries.
  • You have prior exposure to code versioning tools such as Git.
  • You understand fundamental design principles behind a scalable application


Good to have

  • Experience in cloud services such as AWS
  • Knowledge of user authentication and authorization between multiple systems, servers, and environments
  • Understanding of the threading concepts in Python and multi-process architecture


What you'll do

  • Create database schemas that represent and support business processes
  • Integrate multiple data sources and databases into one system.
  • Develop and integrate RESTful APIs and services for business use cases
  • Perform unit and integration tests on developed modules
Read more
codersbrain

at codersbrain

1 recruiter
shreya Dubey
Posted by shreya Dubey
Mumbai, Kolkata
5 - 9 yrs
₹2L - ₹12L / yr
skill iconRuby
skill iconRuby on Rails (ROR)
MySQL
skill iconDocker
Terraform
+9 more

Hello,

Greetings from CodersBrain!

 

Coders Brain is a global leader in its services, digital, and business solutions that partners with its clients to simplify, strengthen, and transform their businesses. We ensure the highest levels of certainty and satisfaction through a deep-set commitment to our clients, comprehensive industry expertise, and a global network of innovation and delivery centers.

 

This is regarding the urgent opening for the'' ROR Developer role. We found your profile in the Cutshort database and it seems like a good fit for the organization. If you are interested, do revert back with your updated CV along with the details:

Permanent Payroll :  CodersBrain

 

Location:- Mumbai/ Kolkata

Notice Period:- imm./15 daysJob Description
Scope of work  This role is an exciting opportunity to build highly interactive

customer facing applications and products.
 Candidate will help transform vast collections of data into
actionable insights with intuitive and easy to use interfaces and
visualizations.
 Candidate will leverage the power of JavaScript and Ruby on
Rail to build novel features and improvements to our current suite
of tools.
 This team is responsible for customer-facing applications that
deliver SEO data insights.
 Through the applications customers are able to access insights,
workflows, and aggregations of information above and beyond
core data offerings

Responsibility 

 Build and maintain the core frontend application

 Work collaboratively with the engineers on the Frontend team to
ensure quality and performance of the systems through code
reviews, documentation, analysis and employing engineering
best practices to ensure high-quality software
 Contribute to org devops culture by maintaining our systems,
including creating documentation, run books, monitoring, alerting,
and integration tests, etc.
 Participate in architecture design and development for new
features and capabilities, and for migration of legacy systems, to
meet business and customer needs.
 Take turns in the on-call rotation, handling systems and
operations issues as they arise including responding to off-hours
alerts
 Collaborate with other teams on dependent work and integrations
as well as be vigilant for activities happening outside the team
that would have an impact on the work your team is doing.
 Work with Product Managers and UX Designers to deliver new
features and capabilities
 Use good security practices to protect code and systems
 Pitch in where needed during major efforts or when critical issues
arise
 Give constructive, critical feedback to other team members
through pull requests, design reviews, and other methods
 Seek out opportunities and work to grow skills and expertise.

C) Skills Required
Essential Skills  JavaScript (preferred ExtJS framework)

 Ruby
 Ruby on Rails
 MySQL
 Docker
Desired Skills  Terraform

 Basic Unix/Linux administration
 Redis
 Resque
 TravisCI
 AWS ECS
 AWS RDS
 AWS EMR
 AWS S3
 AWS Step Functions
 AWS Lambda Functions
 Experience working remotely with a distributed team
Great problem-solving skills

D) Other Information
Educational Qualifications Bachelor's degree/MCA
Experience  5– 8 years

 

Please confirm the mail with your updated CV  if you are interested in this position and also please share the below-mentioned details :

 


Current CTC:
Expected CTC:
Current Company:
Notice Period:

Notice Period:Are you okay with 1 week Notice period if not  then comfortable as freelancing work with us till joining:- 
Current Location:
Preferred Location:
Total-experience:
Relevant experience:
Highest qualification:

DOJ(If Offer in Hand from Other company):

offer in hand:

Alternate number:

Interview Availability

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
Nagarro Software

at Nagarro Software

1 video
12 recruiters
Nitika Kalra
Posted by Nitika Kalra
Remote, Mumbai, Delhi, Gurugram, Noida, Hyderabad, Bengaluru (Bangalore), Chennai, Pune, Kolkata
13 - 15 yrs
Best in industry
skill iconNodeJS (Node.js)
skill iconExpress

👋🏼We're Nagarro.


We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (18000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

 

 REQUIREMENTS:

 

  • Experience: 13-15 years
  • Strong technical background with node.js, event loop understanding, unit testing, developing web application & APIs, event & stream, call-back & closures, promise, async/await, accessing file system, Optimization techniques
  • understanding of different components such as web server, storages, integrations
  • should have worked on designing and building server-side solutions (in any technology), build process of node.js, CI/CD process of node.js, multi-tasking (working on multiple things at same time)
  • Good knowledge of functional and Object-Oriented Programming
  • Implementing effective security protocols, data protection measures, and storage solutions.
  • Running diagnostic tests, repairing defects, and providing technical support.
  • Recommending and implementing improvements to processes and technologies.
  • Keeping informed of advancements in the field of Node.js development.
  • Familiarity with Azure pipeline
  • Should have experience in Identifying software application weaknesses and target areas and sketching out ideas for automated software test procedures. Reviewing software bug reports and highlighting problem areas.
  • Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
  • Fundamental knowledge of design patterns
  • Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
  • Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
  • Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.


  RESPONSIBILITIES:


  • Writing and reviewing great quality code
  • Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
  • Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
  • Determining and implementing design methodologies and tool sets
  • Enabling application development by coordinating requirements, schedules, and activities.
  • Being able to lead/support UAT and production roll outs.
  • Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
  • Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
  • Giving constructive feedback to the team members and setting clear expectations.
  • Helping the team in troubleshooting and resolving of complex bugs
  • Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
  • Carrying out POCs to make sure that suggested design/technologies meet the requirements.
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
B2B Software Services Co

B2B Software Services Co

Agency job
via Unnati by Veena Salian
NCR (Delhi | Gurgaon | Noida), Kolkata
2 - 4 yrs
₹2.5L - ₹6L / yr
Wordpress
skill iconHTML/CSS
Web application security
Object Oriented Programming (OOPs)
skill iconGit
+6 more
If you want to lay a strong foundation to your career with a fast growing and the most robust IT company, then here is your chance. Come work with us.

Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.

Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
 
As a Wordpress Developer, you will work on modifying or creating plug-ins.
 
What you will do:
  • Collaborating with a passionate development team to build custom solutions on, but not limited to Wordpress
  • Writing efficient, robust and reusable code.
  • Effectively managing project tasks, timelines and communication.
  • Developing and maintaining technical project documentation (whenever necessary)
 

What you need to have:

  • B.Tech /B.E.;BCA;MCA
  • Hands-on experience in PHP and WordPress.
  • Working experience in HTML, CSS, Bootstrap, Javascript, Jquery.
  • 2+ year experience as a WordPress developer
  • Experience with creating shortcodes.
  • Understanding of OOPS concepts.
  • Good knowledge of web securities, GIT.
  • Knowledge of front-end technologies like AngularJS, ReactJS would be a huge plus.
  • Web security knowledge.
  • Excellent communication skills

 

Read more
senrysa technologies (p) ltd
Sneha Chowdhury
Posted by Sneha Chowdhury
Remote only
3 - 9 yrs
₹10L - ₹15L / yr
skill iconRuby on Rails (ROR)
skill iconRuby
Microservices
AWS Lambda
skill iconDocker
+4 more

Job Description

We are looking for a ROR developer. If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you.

  • Production experience in Ruby.
  • A completed technical degree in Computer Science or any related fields.
  • 3+ years of professional product development experience.
  • Being comfortable with microservices architectures, API-based
  • You are a pragmatic programmer who understands what is needed to get things done.
  • Problem solving and collaborative mindset.
  • Experience working with DevOps (Docker, Kubernetes, Terraform).
  • Experience with AWS (RDS, DDB, Lambda, CW, EC2, SQS, SNS, Cognito, Kinesis).
  • Experience with performance improvements (Caching Techniques, SQL Query Optimization, Performance monitoring and profiling.
  • Deep understanding of service-oriented and microservices architectural patterns, troubleshooting methods and best practices.
  • Takes end to end ownership of the development and operation of complete features.
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
Paypermint Pvt. Ltd

at Paypermint Pvt. Ltd

2 recruiters
Hira Singh
Posted by Hira Singh
Kolkata
3 - 7 yrs
₹2L - ₹10L / yr
Virtualization
skill iconPython
skill iconC++
Visual C++
Perl
+3 more
• Proficient in C++ • 4+ years of industry experience in engineering required • Willing to learn and work on any programming language/stack/framework • Exposure to architectural patterns of large, scalable web applications and services. • Experience with cloud computing best practices. • Experience in working with Agile Methodologies • A degree in Computer Science is preferred
Read more
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