11+ Amazon EMR Jobs in Kolkata | Amazon EMR Job openings in Kolkata

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

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.

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.

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

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.

• Strong knowledge of PHP web frameworks such as Laravel, CI,
• Understanding the fully synchronous behaviour of PHP
• Understanding of MVC design patterns
• Basic understanding of front-end technologies, such as JavaScript,
• Knowledge of object oriented PHP programming
• Strong knowledge of the common PHP or web server exploits and their solutions
• Understanding fundamental design principles behind a scalable application
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Familiarity with limitations of PHP as a platform and its workarounds
• Creating database schemas that represent and support business processes