11+ OSI model Jobs in Kolkata | OSI model Job openings in Kolkata
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Position: Windows SRE
Responsibilities:
- Windows Site Reliability Engineer with experience in managing large websites where Millions of customers hit
- Manage and monitor all installed systems and infrastructure
- Install, configure, test and maintain operating systems, application software and system management tools
- Among your responsibilities will be the installation and configuration of storage, servers, Microsoft servers (Cluster Services, File Services, Active Directory Services, Certificate Authority services), Virtual Infrastructure (Hyper-V), IIS, MS SQL and backup system
- Proactively ensure the highest levels of systems and infrastructure availability
- Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
- Maintain security, backup, and redundancy strategies
- Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks
- Participate in the design of information and operational support systems
- Provide 2nd and 3rd level support
- Liaise and collaborate with vendors and Zacks personnel for problem resolution, decision making, knowledge sharing
Requirements:
- Minimum 5+ years of Windows support experience, 7, 8, 10, and Microsoft Server (all)
- Windows server expertise
- Familiar with WAN/LAN technologies
- Understanding of the OSI model
- Virtualization - MS Hyper-V, VMware, vSan
- Strong understanding of Internet protocols including HTTP(S), SSL, TCP, IP
- MS IIS administration and configuration
- MS Active Directory
- MS Storage Space
- DNS and DHCP
- SSL certificates and PKI
- Familiar with the ITIL framework
- Strong PowerShell experience
- Information Security experience a plus Other Qualifications
- Excellent attention to detail
Experience: 8-10 years
Job Title: PySpark/Scala Developer
Functional Skills: Experience in Credit Risk/Regulatory risk domain
Technical Skills: Spark ,PySpark, Python, Hive, Scala, MapReduce, Unix shell scripting
Good to Have Skills: Exposure to Machine Learning Techniques
Job Description:
5+ Years of experience with Developing/Fine tuning and implementing programs/applications
Using Python/PySpark/Scala on Big Data/Hadoop Platform.
Roles and Responsibilities:
a) Work with a Leading Bank’s Risk Management team on specific projects/requirements pertaining to risk Models in
consumer and wholesale banking
b) Enhance Machine Learning Models using PySpark or Scala
c) Work with Data Scientists to Build ML Models based on Business Requirements and Follow ML Cycle to Deploy them all
the way to Production Environment
d) Participate Feature Engineering, Training Models, Scoring and retraining
e) Architect Data Pipeline and Automate Data Ingestion and Model Jobs
Skills and competencies:
Required:
· Strong analytical skills in conducting sophisticated statistical analysis using bureau/vendor data, customer performance
Data and macro-economic data to solve business problems.
· Working experience in languages PySpark & Scala to develop code to validate and implement models and codes in
Credit Risk/Banking
· Experience with distributed systems such as Hadoop/MapReduce, Spark, streaming data processing, cloud architecture.
- Familiarity with machine learning frameworks and libraries (like scikit-learn, SparkML, tensorflow, pytorch etc.
- Experience in systems integration, web services, batch processing
- Experience in migrating codes to PySpark/Scala is big Plus
- The ability to act as liaison conveying information needs of the business to IT and data constraints to the business
applies equal conveyance regarding business strategy and IT strategy, business processes and work flow
· Flexibility in approach and thought process
· Attitude to learn and comprehend the periodical changes in the regulatory requirement as per FED
We are a rapidly expanding global technology partner, that is looking for a highly skilled Senior (Python) Data Engineer to join their exceptional Technology and Development team. The role is in Kolkata. If you are passionate about demonstrating your expertise and thrive on collaborating with a group of talented engineers, then this role was made for you!
At the heart of technology innovation, our client specializes in delivering cutting-edge solutions to clients across a wide array of sectors. With a strategic focus on finance, banking, and corporate verticals, they have earned a stellar reputation for their commitment to excellence in every project they undertake.
We are searching for a senior engineer to strengthen their global projects team. They seek an experienced Senior Data Engineer with a strong background in building Extract, Transform, Load (ETL) processes and a deep understanding of AWS serverless cloud environments.
As a vital member of the data engineering team, you will play a critical role in designing, developing, and maintaining data pipelines that facilitate data ingestion, transformation, and storage for our organization.
Your expertise will contribute to the foundation of our data infrastructure, enabling data-driven decision-making and analytics.
Key Responsibilities:
- ETL Pipeline Development: Design, develop, and maintain ETL processes using Python, AWS Glue, or other serverless technologies to ingest data from various sources (databases, APIs, files), transform it into a usable format, and load it into data warehouses or data lakes.
- AWS Serverless Expertise: Leverage AWS services such as AWS Lambda, AWS Step Functions, AWS Glue, AWS S3, and AWS Redshift to build serverless data pipelines that are scalable, reliable, and cost-effective.
- Data Modeling: Collaborate with data scientists and analysts to understand data requirements and design appropriate data models, ensuring data is structured optimally for analytical purposes.
- Data Quality Assurance: Implement data validation and quality checks within ETL pipelines to ensure data accuracy, completeness, and consistency.
- Performance Optimization: Continuously optimize ETL processes for efficiency, performance, and scalability, monitoring and troubleshooting any bottlenecks or issues that may arise.
- Documentation: Maintain comprehensive documentation of ETL processes, data lineage, and system architecture to ensure knowledge sharing and compliance with best practices.
- Security and Compliance: Implement data security measures, encryption, and compliance standards (e.g., GDPR, HIPAA) as required for sensitive data handling.
- Monitoring and Logging: Set up monitoring, alerting, and logging systems to proactively identify and resolve data pipeline issues.
- Collaboration: Work closely with cross-functional teams, including data scientists, data analysts, software engineers, and business stakeholders, to understand data requirements and deliver solutions.
- Continuous Learning: Stay current with industry trends, emerging technologies, and best practices in data engineering and cloud computing and apply them to enhance existing processes.
Qualifications:
- Bachelor's or Master's degree in Computer Science, Data Science, or a related field.
- Proven experience as a Data Engineer with a focus on ETL pipeline development.
- Strong proficiency in Python programming.
- In-depth knowledge of AWS serverless technologies and services.
- Familiarity with data warehousing concepts and tools (e.g., Redshift, Snowflake).
- Experience with version control systems (e.g., Git).
- Strong SQL skills for data extraction and transformation.
- Excellent problem-solving and troubleshooting abilities.
- Ability to work independently and collaboratively in a team environment.
- Effective communication skills for articulating technical concepts to non-technical stakeholders.
- Certifications such as AWS Certified Data Analytics - Specialty or AWS Certified DevOps Engineer are a plus.
Preferred Experience:
- Knowledge of data orchestration and workflow management tools
- Familiarity with data visualization tools (e.g., Tableau, Power BI).
- Previous experience in industries with strict data compliance requirements (e.g., insurance, finance) is beneficial.
What You Can Expect:
- Innovation Abounds: Join a company that constantly pushes the boundaries of technology and encourages creative thinking. Your ideas and expertise will be valued and put to work in pioneering solutions.
- Collaborative Excellence: Be part of a team of engineers who are as passionate and skilled as you are. Together, you'll tackle challenging projects, learn from each other, and achieve remarkable results.
- Global Impact: Contribute to projects with a global reach and make a tangible difference. Your work will shape the future of technology in finance, banking, and corporate sectors.
They offer an exciting and professional environment with great career and growth opportunities. Their office is located in the heart of Salt Lake Sector V, offering a terrific workspace that's both accessible and inspiring. Their team members enjoy a professional work environment with regular team outings. Joining the team means becoming part of a vibrant and dynamic team where your skills will be valued, your creativity will be nurtured, and your contributions will make a difference. In this role, you can work alongside some of the brightest minds in the industry.
If you're ready to take your career to the next level and be part of a dynamic team that's driving innovation on a global scale, we want to hear from you.
Apply today for more information about this exciting opportunity.
Onsite Location: Kolkata, India (Salt Lake Sector V)
Informatica PowerCenter, Informatica Change Data Capture, Azure SQL, Azure Data Lake
Job Description
Minimum of 15 years of Experience with Informatica ETL, Database technologies Experience with Azure database technologies including Azure SQL Server, Azure Data Lake Exposure to Change data capture technology Lead and guide development of an Informatica based ETL architecture. Develop solution in highly demanding environment and provide hands on guidance to other team members. Head complex ETL requirements and design. Implement an Informatica based ETL solution fulfilling stringent performance requirements. Collaborate with product development teams and senior designers to develop architectural requirements for the requirements. Assess requirements for completeness and accuracy. Determine if requirements are actionable for ETL team. Conduct impact assessment and determine size of effort based on requirements. Develop full SDLC project plans to implement ETL solution and identify resource requirements. Perform as active, leading role in shaping and enhancing overall ETL Informatica architecture and Identify, recommend and implement ETL process and architecture improvements. Assist and verify design of solution and production of all design phase deliverables. Manage build phase and quality assure code to ensure fulfilling requirements and adhering to ETL architecture.
• Generate prospects from leads
• Contact potential and existing customers by phone, email, and in person
• Handle customer questions, inquiries, and complaints
Requirements
• Excellent customer service and sales skills
• Strong verbal and written communication skills
• Excellent phone and presentation skills
• Strong negotiation and problem-solving skills
At CLIRNET, we want to empower Doctors with progressive tools and services to deliver quality patient care which is accessible, affordable and equitable. CLIRNET is already a leader in this space, with over 2 Lakh registered physicians regularly using the platform. CLIRNET is now building a product in the video streaming OTT space for knowledge delivery. This position will have a role in ideating, researching and giving shape to this video streaming OTT platform.
Objectives of this Role :
- Drive the product planning process across cross-functional teams of the company
- Analyze product requirements and develop appropriate programs to ensure they're successful achieved
- Develop, implement, and maintain product timelines across multiple departments
- Appraise new product ideas and strategize appropriate to-market plans
Daily and Monthly Responsibilities :
- Drive the execution of all product lifecycle processes for products, including product research, market research, competitive analysis, planning, positioning, roadmap development, requirements development, and product launch
- Translate product strategy into detailed requirements for prototype construction and final product development by engineering teams
- Manage the product development process from conception through design, build, release, analysis, and iteration
- Be a critical voice of the user within CLIRNET.
- Create product strategy documents that describe business cases, high-level use cases, technical requirements, revenue, and ROI
- Analyze market data to develop marketing strategies, and define product objectives for effective marketing communications plans
- Collaborate closely with engineering, production, marketing, and sales teams on the development, QA, and release of products and balance of resources to ensure success for the entire organization
Skills and Qualifications :
- 2-4 years of experience in product in a B2C consumer internet company with a background in technical product management or web engineering.
- Strong quantitative capabilities, and experience using analytics platforms to understand product usability.
- Familiarity with APIs, documentation, web system architecture
- An understanding of what makes for good user experience and beautiful design.
• 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.
Mandatory Skills required:
1. Ability to translate business requirements into technical requirements for QlikView
2. Perform detailed analysis of source systems and source system data and model that data in
Qlikview
3. Design, develop, and test QlikView scripts to import data from source systems, data feeds, flat files
to create Qlik marts
4. Proficiency with QlikView Scripting, use of complex QlikView functions,
advanced QlikView Expressions, experience with complex data models and optimization of data
model for query performance to create Qlik Marts
5. Architecture optimization ( includes hardware sizing , security setup , performance tuning )
6. Development of Qlikview/ QlikSense

Hiring for one of the product based org for PAN India
Skills required:
Strong knowledge and experience of cloud infrastructure (AWS, Azure or GCP), systems, network design, and cloud migration projects.
Strong knowledge and understanding of CI/CD processes tools (Jenkins/Azure DevOps) is a must.
Strong knowledge and understanding of Docker & Kubernetes is a must.
Strong knowledge of Python, along with one more language (Shell, Groovy, or Java).
Strong prior experience using automation tools like Ansible, Terraform.
Architect systems, infrastructure & platforms using Cloud Services.
Strong communication skills. Should have demonstrated the ability to collaborate across teams and organizations.
Benefits of working with OpsTree Solutions:
Opportunity to work on the latest cutting edge tools/technologies in DevOps
Knowledge focused work culture
Collaboration with very enthusiastic DevOps experts
High growth trajectory
Opportunity to work with big shots in the IT industry
Ivan Infotech is looking for talented Hybrid developer.
Job Responsibility :
- Develop hybrid mobile application using ionic or react native.
- Manage the complete app development life cycle, which includes Screen Layout development, API integration, Testing and Submission to app stores .
- Experience of building Apps using CLI for Android and iOS. Experience of interacting with Apple Store and Play Store.
- Capability to integrate with third party APIs .
- Should have experience in Front end design and back end coding.
Required Skilled:
- Minimum 1.5 year of year experience hybrid mobile application development.
- Experience with HTML5, CSS3, Angular js, jQuery and Responsive Web Design frameworks .
- Should have knowledge of developing Hybrid Mobile applications using Ionic or React native framework.
- Should have good knowledge in cordova.
Benefit:
- Monday to Friday working.
- Flexible working hour.
- Hassle free working environment.

