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

Who we are looking for

A candidate who can design, build and configure applications to meet business process and application requirements.

Key Role Requirements:

• Experience in Java-J2EE Development
• Hands-on experience in Struts (Core Java, JSP, Servlets, EJB) framework.
• Hands-on experience in Oracle SQL, Procedures
• Hands-on experience in Spring boot, Spring batch
• Should have worked on application servers like IBM WAS / Jboss / Web logic.
• Knowledge of basic Linux commands and BIRT reporting tool is an added advantage.
• Knowledge in SVN or any other version control is an added advantage.
• Knowledge in Build tool like ANT, Maven is an added advantage
• Strong problem solving and analytical capabilities.

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.

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

Senior Software Engineer (Java)

We are looking for a Senior Software Engineer - Java

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 in the heart of Kolkata.

An exhaustive list of expectations :

✓ Design and implement cutting-edge applications

✓ Participate in code reviews and application debugging and diagnosis.

✓ Practice modern software development methodologies such as continuous delivery, and scrum.

✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.

Requirements -

✓ Knowledge and 5+ years of experience in developing Java applications

✓ A completed technical degree in Computer Science or any related fields.

✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.

✓ Solid experience in the design and implementation of Restful APIs and design patterns.

✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack

✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.

✓ Curiosity, out of box problem-solving abilities, and an eye for detail.

✓ Passion for clean code

What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.

Number of position – 3

Job Location – kolkata, Sector 5

👋🏼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 (19000+ 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:

• Must have Skills: Node JS, Microservices architecture (MSA) (Capable),Javascript/Typescript, AWS S3/ LAMBDA/ EC2/DYNAMODB
• Cloud developer with a minimum of 6 years of experience Technical skills in most of the following areas
• Expert in developing REST Services and APIS using JavaScript, TypeScript NodeJS is a must 
• Implementing Serverless Software development using Amazon Lambda written in NodeJS is desirable.
• Services including AWS IoT, S3, RDS, IAM, Cognito, SNS, VPC, EBS, AWS Route 53, and Cloud Watch is a must
• Proficient in database concepts including schema design, querying, performance tuning, and debugging (Both SQL and No-SQL databases)
• Strong experience in designing and developing enterprise cloud-based IoT solutions using AWS
• Develop Web, APIs, IoT & Cloud based solutions is a must
• Ability to write automated unit test cases using mocking frameworks (Jasmine, Mocha, chai, Jest, etc.)
• Experience in modern data architectures (e.g. Micro Service, event-driven architectures, stream processing, and integrating real-time analytics into customer applications is desirable
• Have a good eye for NFRs (Scalability, extensibility, reliability, etc.) while evaluating design. should be able to Converts Solution Requirements into logical systems & subsystems
• Innovates and creates new ideas and have the ability to develop quick proof of concepts and validate with the customer.

RESPONSIBILITIES:

• 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
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.

👋🏼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 (19000+ 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: 4.1-7 years
• Must have Skills: JavaScript ES6, MySQL, RabbitMQ, Redis, Node JS
• 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.
• Strong experience in JavaScript, Express.js, GraphQL
• Strong knowledge of REST, microservices, cloud development and design patterns
• Comfortable using modern tools and platforms such as Docker, Jenkins, Gitlab CI, etc.
• Comfortable using agile methodologies.
• 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.

We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue

• Assist in project scoping and interact with users to gather requirements
• Must have skills: Java,Spring,SQL,Web App development
• Produce well-planned, well-structured, high-quality codes that have been independently unit tested
• Design, develop, implement and maintain multi-tier web based applications using Java, J2EE, Struts, MVC, Weblogic, XML, Spring, Hibernate, and Oracle, to support business requirements (angular will be advantage)
• Participate and contribute actively in the complete software development lifecycle, including performance analysis, design, development, and testing
• Ensure well designed, testable, efficient codes by performing unit testing with test cases and through rigorous integration testing of the entire application
• Ensure designs are in compliance with specifications
• Support users by developing design documentation and assistance tools
• Interact regularly with internal and external teams to address technical issues and provide appropriate solutions through debugging, research, and investigation
• Develop configuration tools for internal teams to further automate programming tasks that are repetitive
• Engage in and lead application performance tuning

• Graduate/Post Graduate degree in Computer Science, Engineering or a related subject
• Proven working experience in Java development, application of standard software development principles and designing and developing applications using Java EE platforms
• Experience in developing web applications using at least one popular web frameworks using MVC
• Object oriented analysis and design using common design patterns
• Able to respond to technical queries / requests from team members and customers
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc.)
• Excellent knowledge of Relational Databases, SQL and ORM technologies (Oracle, Hibernate)
• Experience in the Spring Framework
• Experience with test-driven development