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

Role: Core Java Developer

Location: Bangalore. Chennai, Hyderabad, & Kolkata.

Experience: 8 years

Employment Type: Full-time with NAM Info Pvt Ltd (Payroll)

Skills required:

Strong expertise in Java| Spring Boot| Microservices| and REST API development for building scalable enterprise applications.

Proficient in Angular/React| JavaScript| HTML| and CSS for modern responsive user interfaces.

Strong experience in Functional| Performance| and automation Testing Experienced with SQL/NoSQL databases| including data modelling | query optimization| and integration.

Hands-on experience with AWS/Azure| Docker| Kubernetes| and CI/CD pipelines for cloud-native development.

Knowledge of Agile methodologies| testing frameworks| security standards| and software design principles to deliver high-quality solutions.

Hiring Now: International Voice Process (Entry-Level – Night Shift) 🌙

📍 Location: Kolkata (Work from Office)

🕐 Shift: Night Shift | 5 Days a Week

💼 Role: International Voice Process (Inbound)

👥 Open to: Freshers & Experienced Professionals (0–4 years)

💡 What We're Looking For:

Excellent communication skills in English

Willingness to work night shifts

Positive attitude and eagerness to learn!

💸 Salary & Incentives:

Experienced: Up to ₹35,000/month(negotiable)

Incentives: Up to ₹6 Lakhs based on performance

Daily Incentives!

🎁 Perks & Benefits:

Salary credited on the 1st of every month

Unlimited monthly incentives

24 paid leaves + 15 Comp Offs

Birthday Leave (or double pay if you choose to work)

Fast-track career growth opportunities

📞 Ready to Apply? Contact us today!

📱 Call/WhatsApp: eight zero one six zero nine nine seven eight eight

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

We’re hiring a Full Stack Developer with strong hands-on experience in Java, Spring Boot, and Angular to join our growing tech team.

🔧 What You'll Do

• Design and develop scalable full stack web applications
• Write clean, maintainable code using Java (Spring Boot) and Angular
• Collaborate with cross-functional teams to deliver high-quality features
• Optimize applications for performance and security
• Participate in code reviews and technical discussions

✅ What We’re Looking For

• 5+ years of professional experience in full stack development
• Strong expertise in Java, Spring Boot, and Angular
• Solid understanding of REST APIs, Microservices, and frontend integration
• Knowledge of databases and version control (Git)
• Excellent problem-solving and communication skills
• Immediate joiners are highly preferred

Job Title: .NET Developer

Location: Kolkata, Remote

Job Type: Full-time

Experience: 3-7 years

Job Description:

We are seeking an experienced .NET Developer to join our dynamic team. The ideal candidate will have a minimum of 3 years of hands-on experience in .NET development. The role involves working closely with our software development team to design, develop, test, and deploy high-quality .NET applications.

Responsibilities:

·        Develop, test, and maintain high-quality .NET applications using C# and ASP.NET.

·        Collaborate with cross-functional teams to define, design, and ship new features.

·        Participate in all phases of the software development lifecycle (SDLC), including requirements analysis, design, coding, testing, debugging, and deployment.

·        Implement best practices and coding standards to ensure robust and scalable solutions.

·        Troubleshoot and debug issues to maintain the stability and performance of existing applications.

·        Stay updated with the latest technologies, trends, and developments in .NET development.

·        Help fellow team members and provide technical guidance and support as needed.

·        Contribute to code reviews and provide constructive feedback to ensure code quality and maintainability.

·        Collaborate with stakeholders to gather requirements and translate business needs into technical solutions.

·        Document technical specifications, system architecture, and development processes.

Eligible Criteria:

·        Effective communication skills, both verbal and written.

·        Bachelor's degree in Computer Science, Engineering, or a related field.

·        Minimum of 3 years of professional experience in .NET development.

·        Proficiency in C#, ASP.NET, MVC, Web API, and SQL Server.

·        Proficiency in Azure cloud & related environments

·        Experience with front-end technologies such as HTML5, CSS3, JavaScript, jQuery, and ReactJS.

·        Strong understanding of object-oriented programming (OOP) principles and design patterns.

·        Experience with Agile methodologies and working in a collaborative team environment.

·        Excellent problem-solving skills and attention to detail.

·        Ability to work independently and as part of a team, with a proactive and positive attitude.

·        Familiarity with version control systems such as Git or SVN is a plus.

·        Certifications in .NET development or related technologies are desirable but not required.

Benefits: Salary as per Market standard, PF, Medical insurance for permanent employees. 

Job Title- Web Designer cum digital marketer

Job Code- JOB004

JOB Description –  In search of a competent, talented web designer cum digital marketer with amazing user experiences, an eye for clean and artful web designs, and also has superior user interface design skills. Possess the ability to transform high–level requirements into interactive, intuitive, functional designs and artifacts. Skilled and proficient at growing the company’s presence in multiple digital channels.  We are looking for an ambitious, energetic one who can take responsibility to change the business spectrum from tech to marketing to the next level.

Responsibilities-:

1. Plans and executes all web, SEO/SEM, database marketing, email marketing social media, and display advertising campaigns
2. Designs, builds as well as maintains our social media presence
3. Brainstorms new and creative growth strategies through digital marketing
4. Conceptualizing website designs ideas, bringing simplicity and user-friendliness
5. Quality to present and defend designs and key deliverables to peers and clients
6. Establish goals and priorities for increasing customer loyalty and building a better brand
7. Collaborates with internal teams to create landing pages and optimize user experience
8.   “Know your audience” strategy . He/she must look at the demographics that is being targeted as audience plays an integral part in the look and function of the website
9. Has liaison and collaborates with agencies and other vendor partners
10. Measures and reports performance of all digital marketing campaigns and provides thought leadership and perspective

Requirements:

• Full grasp on the English language is a must
• Demonstrable graphic design skills with a strong portfolio
• Proficiency in Photoshop, Illustrator, InDesign, Dreamweaver, Corel Draw, and other visual design and wire-framing tools
• Excellent visual design skills with sensitivity to user interaction
• Up to date with the latest web designs, techniques, and technologies trending in the market
• Candidate should be adept to HTML, HTML5, CSS, CSS3 and JavaScript for rapid prototyping
• Time management and planning skills. To regularly update tech blogs for the company website.
• Gift of building rapport with colleagues. Should have skills to work under pressure and the ability to work within a team.
• Having experience in Google AdSense and Graphic Design for SMM is highly recommended.
• Proficient to use the latest software for presenting a range of graphics for the client’s Website, Logo, Banner, Brochure, and Graphic designs.
• To perform keyword research and analysis for the company as well as clients. Should be very proficient with online keyword analysis tools like Google Keyword Planner, WordTracker, Keyword Discovery, etc.
• Experience in Lead Generation Campaigns.

Experience – 0-2 years

Education- Any graduates in any specialization.  

• But should have a full grip on computer programming, math, coding, and graphic design.
• Having good knowledge of English(R/W/S) is eligible for this post.
• Having diploma in Digital marketing is highly expected.

Positions- 2+

Salary- As per the industry standards

alog Circuit Design::

• The candidate should have B.Tech or M.Tech in Electronics/Electrical/VLSI Design Engineering
• The candidate should have relevant work experience of 7-16 years in Analog and SERDES IO IP design e.g. GPIOs, Thermal Sensor, PLL, ADC/DAC/ Voltage regulators/LDOs, AIB, HBMIO, DDR, HDMI/DP IO, MIPI IO etc.

We are looking for highly motivated engineers with the following skillset-

• Engineering degree in Computer science or ECE or MCA is a must
• In-depth knowledge of PHP, HTML5, CSS, jQuery, JavaScript, AJAX
• Experience using PHP frameworks such as Laravel, Symfony, Zend, etc. - any 1 is required
• VueJS, AngularJS, ReactJS - knowledge of any 1 is required
• Between 1-5 years of work experience is required
• Very strong data structure and algorithm knowledge
• Ideal candidate would be a very strong developer with great coding skills
• Good English communication skills
• Willingness to work on multiple projects simultaneously
• Ability to work through ambiguous requirements and come up with a clear scope and problem statement
• If you have any live projects portfolio or GitHub handle please share them
• Office is in Fairlie place (Dalhousie), Kolkata 700 001