11+ OSI model Jobs in Kolkata | OSI model Job openings in Kolkata

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

About Us

Heyo & MyOperator are India’s leading Conversational platforms, powering Call + WhatsApp engagement for over 40,000 businesses—including top brands like Lenskart, Astrotalk, and Caratlane. We’re a fast-growing SaaS company redefining how brands communicate at scale. With a hybrid work culture and a bias for action, we’re on the lookout for passionate creators ready to lead and own their craft.

Job Overview

We are looking for a Copy Lead—not just a great writer, but a strategic thinker who can shape, elevate, and unify our voice across all customer touchpoints. From ad copy that converts to landing pages that stick, you’ll own the words that move people. This role is part storyteller, part brand guardian, and all about impact.

Key Responsibilities

• Lead copy strategy across all growth and brand initiatives—performance campaigns, product launches, landing pages, ads, and more.
• Develop high-converting copy for Google, Meta, WhatsApp, and email campaigns—driven by user insights and performance data.
• Craft sharp, memorable messaging—taglines, product value props, one-liners, CTAs—that define and differentiate the brand.
• Collaborate cross-functionally with Product, Design, Performance Marketing, and Sales to align on messaging that drives real results.
• Review and guide the work of other writers/agencies to ensure tone, clarity, and consistency across the board.
• Leverage tools like Mixpanel and AI writers to optimize copy performance at scale and drive continuous experimentation.
• Own the brand voice and ensure it’s consistently reflected in every customer-facing asset—from website to drip campaigns.

Qualifications & Skills

• 4–6 years of experience in high-impact copywriting roles, preferably in SaaS, AI, or digital-first brands.
• A killer portfolio that shows your strength in performance + brand copywriting.
• Strong grasp of consumer psychology and the ability to translate insights into persuasive messaging.
• Experience running and interpreting A/B tests and optimizing for CTRs, signups, or conversions.
• Hands-on exposure to tools like Mixpanel, Google Analytics, or CRM/marketing automation platforms.
• Bonus: Familiarity with AI-assisted writing tools and prompt engineering.

Why Join Us?

• Own the voice of a leading SaaS brand—across India’s fastest-growing conversational platform.
• Work with a passionate and driven team across marketing, design, and product.
• Lead copy experiments that directly impact growth and business metrics.
• Shape how 40,000+ businesses hear, feel, and remember us.

Required Skills:

• Experience in systems administration, SRE or DevOps focused role
• Experience in handling production support (on-call)
• Good understanding of the Linux operating system and networking concepts.
• Demonstrated competency with the following AWS services: ECS, EC2, EBS, EKS, S3, RDS, ELB, IAM, Lambda.
• Experience with Docker containers and containerization concepts
• Experience with managing and scaling Kubernetes clusters in a production environment
• Experience building scalable infrastructure in AWS with Terraform.
• Strong knowledge of Protocol-level such as HTTP/HTTPS, SMTP, DNS, and LDAP
• Experience monitoring production systems
• Expertise in leveraging Automation / DevOps principles, experience with operational tools, and able to apply best practices for infrastructure and software deployment (Ansible).
• HAProxy, Nginx, SSH, MySQL configuration and operation experience
• Ability to work seamlessly with software developers, QA, project managers, and business development
• Ability to produce and maintain written documentation

Hi All,

We are hiring for an ASP.NET DEVELOPER

Experience: Minimum 01years

Work from Office ( Location-- Kolkata)

Sunday Off

Working days and hours Monday - Saturday (11:00 AM - 07:00 PM)

Desired Skills:-

1. Analytical mind with a problem-solving aptitude

2. Ability to work independently

3. Strong Knowledge of selected frameworks and libraries (ASP.net, C#, HTML, CSS, Bootstrap, SQL Server)

Desired Technology

1. ADO.NET

2.SQL QUERY, SP, TIGGER

3.ASP.NET

4. CRYSTAL REPORT

5. RDLC REPORT

6. MVC 5

7. JQUERY

8. BOOTSTRAP

9. WEB API 2.0

Principal Software Engineer

Opportunity in this role / Why should you join here?

You will enjoy working with us if you are looking to work in a stimulating, flexible, open environment. You will experience ownership and independence at the same time providing technical solutions that work.

You will be part of the madness and thrill of growing the business from scratch. You get to make decisions, fail fast and learn fast. You get to contribute, add value to the organization by thinking like an entrepreneur. You are supported by the best talent in the industry and work with creative teams. You are rewarded as you go on proving yourself.

Requirements:

• Bachelor's degree in Computer Engineering/Computer Science or related field
• At least 6+ years of experience with at least 4 years of software application design experience
• Strong analytical and problem solving skills
• A full stack generalist with experience in both front-end and back-end technologies
• Proven experience in high-level programming languages, like Java and Development of scalable Web Applications and Web Services
• Experience in JavaScript frameworks like Angular, React, NodeJS
• Passion for delivering products end-to-end, from ideation to implementation
• Proven experience building complex web applications and micro services
• Strong experience with Spring Boot stack (spring cloud, spring-data)
• Extensive experience in developing and consuming REST APIs
• Experience in PHP is a plus advantage

Responsibilities:

• Participate in design reviews and recommend improvements
• Provide technical guidance in software design and development activities
• Recommend new technologies to ensure quality and improve productivity
• Support in all phases of SDLC and ensure delivery of high-quality products
• Analyse business requirements and design/develop most effective technical solution
• Analyse and troubleshoot application issues in a timely fashion
• Work with other engineers in planning, prioritising and executing assigned tasks within deadlines

x• Work with QA team in preparing test cases and assist in automation

• Mentor other Engineers as and when required
• Assist in maintenances and upgrades of existing software applications
• Assist in risk assessment and mitigation activities.
• Assist in technical audits and make sure to implement audit recommendations.

Company Name- uFaber Edutech Pvt Ltd.

Shift Timing/ Day- 10:30AM-7:30PM/11AM-8PM

Location-Pune,Kolkata,Mumbai,Noida

Website: www.ufaber.com

Who are we-

uFaber is a well-funded Edutech startup, founded by serial entrepreneurs from IIT Bombay to change the way we learn. We sell high-quality online courses on a variety of topics, from exam preparation to certifications. 

Role and Responsibilities-

• Dialing 50-80+ calls and counseling students who have enquired about the product/ services.
• Scheduling free demo lectures for the students.
• Doing post demo calls and closing sales.
• Maintaining a pipeline of all sales administration using CRM software.
• Work on targets and under pressure as this is a hardcore sales profile.
• Flexible to work on additional days and hours.

What we offer you-

Fixed Pay-3LPA

Performance based incentives-2 to 3LPA

Total Pay-5 to 6LPA

Skills and requirements

• Experience analyzing complex and varied data in a commercial or academic setting.
• Desire to solve new and complex problems every day.
• Excellent ability to communicate scientific results to both technical and non-technical team members.

Desirable

• A degree in a numerically focused discipline such as, Maths, Physics, Chemistry, Engineering or Biological Sciences..
• Hands on experience on Python, Pyspark, SQL
• Hands on experience on building End to End Data Pipelines.
• Hands on Experience on Azure Data Factory, Azure Data Bricks, Data Lake - added advantage
• Hands on Experience in building data pipelines.
• Experience with Bigdata Tools, Hadoop, Hive, Sqoop, Spark, SparkSQL
• Experience with SQL or NoSQL databases for the purposes of data retrieval and management.
• Experience in data warehousing and business intelligence tools, techniques and technology, as well as experience in diving deep on data analysis or technical issues to come up with effective solutions.
• BS degree in math, statistics, computer science or equivalent technical field.
• Experience in data mining structured and unstructured data (SQL, ETL, data warehouse, Machine Learning etc.) in a business environment with large-scale, complex data sets.
• Proven ability to look at solutions in unconventional ways. Sees opportunities to innovate and can lead the way.
• Willing to learn and work on Data Science, ML, AI.

#Hiringalerts #Colleges

TECHFIN is Hiring For Sales Role.

A call to Placement Coordinators.

Job Title: Business Development Associate 

Location: Kolkata

Working: Work From Office (WFO )

Industry: Ed-Tech

Roles & Responsibilities :

The sales Representative at Techfin will be responsible for assisting and guiding the right offer/course to the consumers and getting them to purchase the right learning course.

Responsibilities:

1. Understanding the offerings for the students and guiding them throughout the process to choose the right option for them

2. Initiating phone conversations with clients who complete the demo session. 

3. Intensely following up with the prospects and closing the sales within the sales cycle.

4. Diligently communicating and priming the lead through channels like email, and calls.

5.Ensuring accurate and proper record-keeping of call information in electronic and digital format.

6. Achieving the monthly targets while completing all the input metrics targets.

7. Good communication skills. 

8. Good decision making skills. 

9. Good negotiation skills. 

10. Boost growth and sales. 

Important Criteria -

 Willing to work 6 days a week.

 Willing to work in a Start-up (High Intensive learning and Rapid 

 Growing atmosphere)

Job Location – #Kolkata

Immediate Joining

• The main roles and responsibilities would be:
• Deliver high quality mobile apps on Android platforms.
• Create best practice, drive initiatives to build reusable frameworks, components and solutions.
• Engage with the team to create a knowledge centre on Android.
• Minimum experience of 1 years needed. Ideally more than 2 years.
• Maps based apps.
• Payment gateway integration: (PayPal, Stripe, Paytm etc).
• Integration of webservices
• Marketplace apps
• Live Streaming
• Offline application development.
• Strong OO design and programming skills in Java
• Android SDK
• JSON/REST API
• Social Media APIs
• UML/Design Pattern
• Knowledge of Retrofit,Volley,Dagger2,Realm,RxJava,Espresso
• Knowledge of android architecture component(LiveData etc).
• Working Experience on MMVM and MVP architecture
• Experience in SQL and NOSQL databases.
• Familiarity with cloud message APIs and push notifications 
• Understanding of Googles Android design principles and interface guidelines 
• Proficient understanding of code versioning tools, such as Git.
• Work closely with the leadership team to define roadmap and development plans
• Help define and implement standards and promote best practices for the Android development team
• Tackle daily challenges with your creative problem solving recommendations
• Mentor and contribute knowledge to the rest of the team and the organization
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with threading, and performance tuning
• Ability to understand business requirements and translate them into technical requirements