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Multithreading Jobs in Kolkata

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

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Mihup Communications Private Limited
Remote, Kolkata
3 - 5 yrs
₹12L - ₹24L / yr
skill iconJava
J2EE
skill iconSpring Boot
Hibernate (Java)
AWS CloudFormation
+5 more
Responsibilities (what the job involves)
• 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.
Requirements (what we are looking for)
The right person is better than the right set of experiences and these are the traits we’ve
identified make great additions to our team.
• 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: Java, NodeJS, GoLang, Python 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
Deqode

at Deqode

1 recruiter
Sneha Jain
Posted by Sneha Jain
Mumbai, Delhi, Gurugram, Noida, Ghaziabad, Faridabad, Pune, Indore, Jaipur, Kolkata, Chennai, Bengaluru (Bangalore)
3.5 - 7 yrs
₹8L - ₹13L / yr
AWS Lambda
skill iconPython
Microservices
Amazon EC2

We are seeking a highly skilled and motivated Python Developer with hands-on experience in AWS cloud services (Lambda, API Gateway, EC2), microservices architecture, PostgreSQL, and Docker. The ideal candidate will be responsible for designing, developing, deploying, and maintaining scalable backend services and APIs, with a strong emphasis on cloud-native solutions and containerized environments.


Key Responsibilities:

  • Develop and maintain scalable backend services using Python (Flask, FastAPI, or Django).
  • Design and deploy serverless applications using AWS Lambda and API Gateway.
  • Build and manage RESTful APIs and microservices.
  • Implement CI/CD pipelines for efficient and secure deployments.
  • Work with Docker to containerize applications and manage container lifecycles.
  • Develop and manage infrastructure on AWS (including EC2, IAM, S3, and other related services).
  • Design efficient database schemas and write optimized SQL queries for PostgreSQL.
  • Collaborate with DevOps, front-end developers, and product managers for end-to-end delivery.
  • Write unit, integration, and performance tests to ensure code reliability and robustness.
  • Monitor, troubleshoot, and optimize application performance in production environments.


Required Skills:

  • Strong proficiency in Python and Python-based web frameworks.
  • Experience with AWS services: Lambda, API Gateway, EC2, S3, CloudWatch.
  • Sound knowledge of microservices architecture and asynchronous programming.
  • Proficiency with PostgreSQL, including schema design and query optimization.
  • Hands-on experience with Docker and containerized deployments.
  • Understanding of CI/CD practices and tools like GitHub Actions, Jenkins, or CodePipeline.
  • Familiarity with API documentation tools (Swagger/OpenAPI).
  • Version control with Git.


Read more
Robust Product based company

Robust Product based company

Agency job
via Qrata by Blessy Fernandes
Kolkata
4 - 8 yrs
₹10L - ₹24L / yr
skill iconJava
skill iconSpring Boot
Responsibilities (what the job involves)
 Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for  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.
Requirements (what we are looking for)
The right person is better than the right set of experiences and these are the traits we’ve
identified make great additions to our team.
 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
Read more
Deqode

at Deqode

1 recruiter
Alisha Das
Posted by Alisha Das
Bengaluru (Bangalore), Delhi, Gurugram, Noida, Ghaziabad, Faridabad, Mumbai, Pune, Hyderabad, Kolkata, Indore
2 - 4 yrs
₹3L - ₹17L / yr
skill iconJava
skill iconKotlin
skill iconSpring Boot

Job Summary:

As a Java Spring Boot Developer, you will play a key role in designing, developing, and maintaining robust backend services and APIs. With 2.5+ years of experience, including knowledge in Kotlin, you will work alongside a cross-functional team to build scalable and performant systems.

Key Responsibilities:

  • Design, develop, and maintain efficient, reusable, and reliable Java and Kotlin code
  • Build and consume RESTful APIs and microservices using Spring Boot
  • Ensure the best possible performance, quality, and responsiveness of applications
  • Collaborate with product managers, QA engineers, and DevOps for end-to-end delivery
  • Troubleshoot and resolve performance bottlenecks, bugs, and technical issues
  • Participate in code reviews, knowledge sharing, and continuous improvement

Required Skills & Qualifications:

  • 2.5+ years of experience with Java and Spring Boot
  • Strong understanding of RESTful APIs, MVC, and microservices architecture
  • Experience with relational and NoSQL databases
  • Proficiency with Git and Agile/Scrum methodologies

Preferred Skills:

  • Familiarity with Docker, Kubernetes, and CI/CD tools
  • Exposure to cloud platforms such as AWS or Azure
  • Experience with unit testing and test automation frameworks


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
India's leading fintech brand

India's leading fintech brand

Agency job
via The Hub by Sridevi Viswanathan
Remote, Bengaluru (Bangalore), Chennai, NCR (Delhi | Gurgaon | Noida), Mumbai, Pune, Kolkata, Hyderabad
3 - 5 yrs
₹10L - ₹30L / yr
skill iconJava
Data Structures
skill iconSpring Boot

Software Engineer

Opportunity in this role / Why should you join us?

- You are your own master.  We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading fintech unicorn company

- ESOPs in the company

Requirements

  • 3+ years and above exposure in the art of writing codes and solving problems for large scale
  • Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
  • A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
  • Have a penchant for solving complex and interesting problems.
  • BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
  • Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
  • Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with

multi-threading and concurrency programming

  • Ability to switch between the technologies and learn new skills on the go.

 

Roles and Responsibilities

  • Drive discussions to create/improve the product, process and technology
  • Build abstractions and contracts with separation of concerns for a larger scope
  • Rapid prototyping
  • Robust and scalable web-based applications
  • Do high-level design with guidance; Functional modelling, break-down of a module
  • Thinking platforms & reuse, the open-source contribution will be a plus
  • Do incremental changes to architecture: impact analysis of the same
  • Do performance tuning and improvements in large scale distributed systems
  • Mentor young minds and foster team spirit.
Read more
PwC

at PwC

Agency job
via Randstad India by Shreya Chaudhary
Kolkata, Jaipur
3 - 10 yrs
₹10L - ₹17L / yr
skill iconJava
RESTful APIs
skill iconSpring Boot
J2EE
Struts
+6 more

Job Role-12 months(contract) which is extendable /permnanent

Required Skills:

  • Advanced Java skills, Spring, Spring Boot, REST APIs,
  • Intermediate in Design Patterns and Principles
  • Application is moving into PCF  any cloud native experience is helpful
  • DB:  Oracle, SQL Server, RDBMS
  • Network Infrastructure knowledge is helpful (work with network support team to troubleshoot)
  • Production support skills are highly preferred.
  • CI/ CD knowledge is helpful
  • Junit for unit testing
  • Java certifications are a huge plus

**Design development of software application in JAVA , using Oracle stack
Oracle Exadata
 
Oracle Weblogic
 
Oracle SOA Suite
 
Oracle Portal and Content Management solution
 
Oracle In Memory DB
 
Oracle IDM etc.**

Job Description:

  • An ideal candidate is someone who works well with a cohesive team-oriented group of engineers, who have a passion for developing software, who enjoy solving problems in a challenging environment, and who have the desire to take their career to the next level.
  • Participate in and lead day to day system development and maintenance activities of the team to meet service level agreements (SLAs) and create solutions with high level of innovation, cost effectiveness, high quality and faster time to market.
  • Accountable for full systems development life cycle including creating high quality requirements documents, use-cases, design and other technical artifacts including but not limited to detailed test strategy/test design, performance benchmarking, release rollout and deployment plans, contingency/back-out plans, feasibility study, cost and time analysis and detailed estimates.
  • Research and evaluate current and upcoming technologies and frameworks.
  • Participate in PoCs (Proof of Concept) and help the Department with selection of Vendor Solutions, Technologies, Methodologies and Frameworks.
  • Collaborate with Vendor Resources for Support of Products.
  • Conduct brownbag sessions on new and upcoming technologies, methodologies and application appropriate frameworks. Ensure knowledge transfer of vendor technology to *** staff. Provide technical training to the other team members.

Qualifications:

  • Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience.
  • 3 to 5 years of experience in related field.
  • Broad understanding of Software Engineering Concepts and Methodologies is required.
  • Back end Java Development
  • API- Restful Services
  • Automated Unit Testing (J Unit)
  • Spring MVC
  • SQL skills- Ability to work with tables, views, and stored procedures
  • GIT
  • Must be high-energy, detail-oriented, proactive and have the ability to function under pressure in an independent environment.
  • Must provide the necessary skills to have a high degree of initiative and self-motivation to drive results.
  • Possesses strong communication skills -- both verbal and written and strong relationship, collaborative skills and organizational skills.
  • Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based diverse and geographically distributed project team.

 

Read more
Remote, Kolkata
5 - 9 yrs
₹8L - ₹12L / yr
skill iconJava
skill iconSpring Boot
MySQL
Channelplay, a product-based company headquartered in Gurgaon India, is servicing clients all across the globe to help them improve their retail execution and sales activities. With that vision, we have developed multiple SaaS products which are being used globally by numerous clients across different industries with 40,000+ end users. All these products are rich in cloud, mobility and advanced analytics.

The product business has witnessed tremendous growth in last few years with a client base in almost all industries and a footprint across continents. A large credit for the same goes to our young, agile and highly talented engineering team which is continuously adding new features and driving innovations in terms of adopting latest technology best practices and making the product more scalable and stable.

In order to meet the expectations of our rapidly growing client base, we are looking for experienced geeks who will be part of the current product engineering team and help in making the products more scalable by implementing most advanced technologies. We are looking for people with keen interest and demonstrated expertise in Java development, clear focus on working in a product setup, and willingness to work in a start-up environment. With strong entrepreneurial culture at Channelplay and focus on performance-based growth, in terms of financials and career, it's a great opportunity for high performers.

For more details, you can also visit our website on: http://www.channelplay.in/

What's there for you :

- Competitive remuneration
- Quarterly incentive
- Great culture with friendly work environment
- Opportunity to work in AWS Technologies
- Opportunity to get AWS Certified.

Required Skills :

- Core Java (Mandatory)
- Spring boot (Mandatory)
- My SQL (Mandatory)
- Angular (Preferred)
- AWS Technology (Preferred)
- NoSQL - MongoDB (Preferred)
- Open sources - Redis/ Memcached/ RabbitMQ/ Kafka/ ELK (Preferred)
- Git (Preferred).

Roles & Responsibilities :

- Developing software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

- Determining operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.

- Improving effectiveness and efficiency of the existing solutions by conducting systems analysis and recommending changes.

- Learning new and advanced technologies proactively and leading initiatives to implement those technologies in a collaborative manner.

- Acquiring new skills by studying state-of-the-art development tools and programming techniques, and sharing the knowledge with the team.
Read more
ezyreach infocom Pvt. Ltd.
Prabir Ray
Posted by Prabir Ray
Kolkata
1 - 4 yrs
₹1L - ₹4L / yr
skill iconJava
J2EE
Struts
Spring
Hibernate (Java)
+1 more
we have innovative technology in digital wallet and payment process.API technology for server to server communication.
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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