11+ OSI Jobs in Kolkata | OSI 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

We’re Hiring: Customer Support Executive – International (Voice & Chat)

Location: Kolkata

Shifts: Rotational (Day/Night)

Experience: 1–3 Years

Department: Customer Support / Operations

Job Summary:

We are looking for dynamic professionals to join our International Contact Centre team & Chat. If you have strong communication skills and Fluent in English & Hindi (mandatory) with experience in BPO/KPO or international call center handling global customers via voice and chat this role is for you.

Key Responsibilities:

·      Own end-to-end customer interactions across voice and chat (international & domestic)

·      Deliver quick, accurate, and high-quality responses with a customer-first approach

·      Resolve queries and issues proactively with clear follow-through

·      Maintain clean and structured documentation

·      Ensure high service standards, customer satisfaction,

·      Operate with discipline by following SOPs, quality benchmarks, and processes

·      Stay flexible and aligned with global time zones and dynamic operational needs

Required Skills & Qualifications:

·      1–3 years of experience in customer support (voice and/or chat process)

·      Excellent verbal and written communication skills

·      Strong problem-solving and multitasking abilities

·      Ability to handle pressure and manage difficult customers professionally

·      Basic computer knowledge (MS Office, typing skills)

·      Good listening skills and attention to detail

·      Ability to work in rotational shifts (including night shifts) and rotational week offs

Preferred Qualifications:

• Experience in BPO/KPO or international call center environment
• Exposure to global customer handling and cultural sensitivity

Shift Timings:

·       Day Shift: 11am – 9pm

·       Night Shift: 9pm – 7am

6 days Working (Rotational week-offs)

Are you passionate about crafting seamless and visually appealing websites?

We’re seeking a skilled WordPress Front-end Developer to join our team and elevate our online presence.

As a WordPress Frontend Developer, you’ll play a crucial role in transforming designs into fully functional, responsive, and captivating websites using Elementor and custom themes. Your proficiency in HTML and CSS will be essential for creating stunning front-end experiences. If you’re also familiar with WordPress theme and plugin development, that’s a significant advantage that we highly value.

Responsibilities:

• Collaborate with our design team to convert visual concepts into interactive and user-friendly websites.
• Utilize Elementor to build and customize page layouts, ensuring consistency and responsiveness across various devices.
• Develop custom WordPress themes that align with project requirements, user experience goals, and brand aesthetics.
• Implement engaging animations, transitions, and interactive elements to enhance user engagement and visual appeal.
• Optimize website performance, ensuring fast load times and smooth user interactions.
• Stay up-to-date with the latest web design and development trends, implementing best practices for modern user experiences.
• Troubleshoot and debug frontend issues to maintain a seamless browsing experience.
• If knowledgeable in WordPress plugin development, contribute to the creation of custom plugins that extend website functionality.

What You Need To Apply (Technical Competency) :

• Minimum 2 years experience in WordPress.
• Strong proficiency in HTML and CSS to create pixel-perfect front-end designs.
• Demonstrated expertise in using Elementor to design and build WordPress pages.
• Proven experience in developing custom WordPress themes from scratch.
• A portfolio showcasing your previous website projects, highlighting your front-end development skills.
• Familiarity with responsive design principles to ensure optimal performance across various devices and screen sizes.
• Excellent attention to detail and a keen eye for design aesthetics.
• Effective problem-solving skills to address front-end issues efficiently.
• Strong communication skills, and ability to collaborate with designers, developers, and other team members.
• Knowledge of JavaScript and its libraries/frameworks is a plus.
• Understanding WordPress plugin development is a significant advantage.
• Ability to manage multiple projects and meet deadlines in a fast-paced environment.

If you have it all in you, we are happy to have you with us!

We will be even happier if you have:

• Proficiency in PHP
• Being an open-source contributor;
• Ability to discover functional and non-functional requirements of an app, based on various levels of inputs from clients.
• Ability to transform customer ideas into business models and scope understandable by technical experts.
• Having excellent stakeholder management and client-facing skills.

Java Developer with GCP

Skills : Java and Spring Boot, GCP, Cloud Storage, BigQuery, RESTful API, 

EXP : SA(6-10 Years)

Loc : Bangalore, Mangalore, Chennai, Coimbatore, Pune, Mumbai, Kolkata

Np : Immediate to 60 Days.

Kindly share your updated resume via WA - 91five000260seven

We are looking for a Mobile App Developer for one of the leading TMT bar manufacturers and exporters in India.

Please find below details for your reference :-

Role - Mobile App Developer

Exp - 3 to 8 years

Job Location - Kolkata

About the Company :-

Our Client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.

Roles & Responsibilities:

- 3-7 yrs of experience in developing new features and user interfaces from wireframe models.

- Ensuring the best performance and user experience of the application

- Fixing bugs and performance problems

- Writing clean, readable, and testable code

- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions

- Complete knowledge of the Uploading app on google play store and Apple app store

- Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.

Requirements :-

- Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)

- Deep knowledge of Kotlin, Flutter,Android, iOS, etc.

- Proficiency with writing automated tests. depending on the libraries you use to test

- Familiarity with RESTful APIs and mobile libraries for networking

- Experience with profiling and debugging mobile applications

- Strong knowledge of architectural patterns - MVP, MVC, MVVM, and Clean Architecture and the ability to choose the best solution for the app

- Familiarity with Git

- Familiarity with push notifications

- Understanding mobile app design guidelines on each platform and being aware of their differences

- Proficiency in Kotlin/Java/Swift/Flutter/Dart

Responsibilities:

• Produce well-researched content for publication online and in print
• Communicate using industry best practices
• Follow an editorial calendar, collaborating with team members to ensure timely delivery of materials
• Develop content for multiple platforms, like websites, email, datasheets, case studies, videos, and blogs
• Use SEO strategies and make the content keyword optimized to maximize the online visibility of the content in search results
• Draft responses to technical proposals with inputs from technical team

Eligibility Criteria

• 2-3 years of experience in working as a Technical Writer/Content Writer
• Proven expertise of writing impeccable English
• Ability to work independently with little or no daily supervision
• Good time management skills
• Graduate or Post Graduate

• 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

• 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