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

Interview Mode- Only Face to Face, if you can come for the interview then only please apply.

Monday-Friday

We are looking for a skilled and self-driven Web Developer with strong expertise in WordPress, front-end development, and website optimization. The ideal candidate should be capable of building fast, responsive, SEO-friendly, and visually polished websites from scratch while maintaining clean and scalable code.

RESPONSIBILITIES

• Design, develop, and maintain WordPress websites using custom themes, plugins, Elementor, DIVI, and Gutenberg.
• Build pixel-perfect, mobile-first websites optimized for performance across browsers and devices.
• Optimize Core Web Vitals and page speed using image compression, lazy loading, caching, CSS/JS minification, CDN setup, and render-blocking fixes.
• Configure and troubleshoot caching tools such as WP Rocket, W3 Total Cache, and LiteSpeed Cache.
• Implement SEO best practices including heading hierarchy, schema markup, redirects, clean URLs, internal linking, and mobile optimization.
• Ensure ADA/WCAG 2.1 compliance through semantic HTML, ARIA attributes, accessible forms, color contrast, and screen-reader compatibility.
• Debug website issues using Chrome DevTools, Lighthouse, GTmetrix, WAVE, and related tools.
• Collaborate with designers, writers, and project managers to deliver high-quality digital experiences.
• Use Git/version control and AI tools like ChatGPT or Claude to improve development efficiency.

REQUIRED SKILLS

• Strong knowledge of HTML5, CSS3, JavaScript, jQuery, and WordPress architecture.
• Experience with Elementor and DIVI page builders.
• Understanding of SEO, Core Web Vitals, accessibility standards, and mobile-first development.
• Ability to build fully functional websites from scratch with attention to detail and code quality.

Regards,

Job Title: HR Generalist

Location: Kolkata

Experience: Minimum 1 year

Employment Type: Full-time

Job Summary:

We are looking for a dynamic HR Generalist to join our team. The ideal candidate will have experience in IT and Non-IT recruitment, along with handling general HR operations. This role requires strong communication skills, the ability to multitask, and a keen eye for talent acquisition.

Key Responsibilities:

Recruitment & Talent Acquisition

• End-to-end recruitment for IT and Non-IT roles.
• Sourcing candidates through job portals, social media, and employee referrals.
• Screening resumes, conducting interviews, and coordinating with hiring managers.
• Managing offer rollouts and onboarding new hires.

HR Operations

• Handling employee records, attendance, and leave management.
• Managing payroll inputs and coordinating with the finance team.
• Addressing employee queries related to HR policies and benefits.
• Ensuring compliance with labor laws and company policies.

Employee Engagement & Relations

• Organizing engagement activities and HR initiatives.
• Handling grievances and conflict resolution.
• Assisting in performance management and training programs.

Requirements:

• Bachelor's degree in HR, Business Administration, or a related field.
• Minimum 1 year of experience in IT and Non-IT recruitment & HR operations.
• Strong knowledge of HRMS tools and recruitment platforms.
• Excellent communication and interpersonal skills.
• Ability to multitask and work in a fast-paced environment.

6 Days Working (Mon - Sat)

Timing: 11am - 7pm

We are looking for a skilled Blockchain Developer to work on developing decentralized applications and smart contracts.

If you're passionate about blockchain technology and want to work on cutting-edge projects, this is the role for you!.

Key Responsibilities:.

Design and develop smart contracts and decentralized applications (dApps).

Work with Ethereum, Solana, or other blockchain platforms.

Write secure, optimized, and efficient code for blockchain-based applications.

Experience in MLM & Matrix Plan logic.

Collaborate with cross-functional teams to implement blockchain solutions.

Required Qualifications:.

Experience in blockchain development.

Proficiency in Solidity, smart contracts, and blockchain platforms like Ethereum or Hyperledger.

Familiarity with cryptographic principles and consensus algorithms.

Who are we?

Hey future colleague! 

We're Codebuddy. We are a product engineering services company based out of Kolkata, with an office in Pune. We work with clients from different industries on a daily basis, and so far, we have worked with 120+ clients in the span of just 5 years.

Our team’s average age is 26 years. So, you get an idea of how young and energetic our team is, full of life and enthusiasm.

We are seeking an experienced Project Manager to lead our software development team. The ideal candidate will have a proven track record of managing complex projects, demonstrating excellent leadership skills, and fostering a collaborative and efficient team environment.

What's the role?

01:- You’ll get crude requirements, create documentation and even maintain them at high-quality standards.

02:- You ensure successful project delivery through effective problem-solving.

03:- You ensure project efficiency by optimizing time management and resource allocation.

04:- You facilitate crystal-clear communication with the team and the clients.

05:- You'd be fostering a collaborative and diplomatic team environment, nothing less of a politician.

06:- You ensure high client satisfaction and maintain positive client relationships.

07:- You effectively manage project budgets and financial resources.

08:- You drive innovation and the adoption of relevant technologies via continuous improvement and learning within the team.

Requirements

Personality:

01:- Strong communication skills, because we appreciate a good joke, but we also need you to explain your decisions.

02:- We would like you to be able to work independently, with minimal supervision. We expect you to be Atma-nirbhar.

03:- Strong leadership and team management skills.

04:- Strong problem-solving skills, sometimes even better than Sherlock.

05:- We expect you to have the ability to charm the stakeholders, and manage them with utmost professionalism.

06:- Ability to foster collaboration and diplomacy within a team.

07:- A can-do attitude, with attention to detail and professionalism. We like our candidates to be disciplined and sharp!

Technical:

01:- We know that you are going to apply anyway. But, we prefer some proven experience as a Project Manager in a software development environment.

02:- Experience with budget management and financial resource planning. Imagine our Finance Minister, but at a company level.

03:- Ability to effectively manage time and allocate resources, as if they are your own.

04:- Rockstar experience with project documentation and quality assurance.

05:- Familiarity with the latest technology trends and ability to foster innovation within a team.

06:- Knowledge of continuous improvement processes and learning strategies.

07:- Treat projects like your babies and deliver them on time, within budget.

Greetings!

Hiring the below position for one of our premium client.

Role: PEGA Developer

Experience: 5-15 years

Location: PAN India

Certification: CSA & CSSA mandatory

• 4.5 - 9 of experience in Pega Development with Pega relevant certification.
• Working experience in Pega PRPC and Pega layer cake structure, class structure rule resolution ruleset structure, portals views and harness components.
• Basic data storage and database query knowledge through Pega.
• Good knowledge around integration and exposure to REST and SOAP APIs.
• Good to have knowledge and experience on at least one Pega Industry framework.
• Should be able to track and manage own tasks.
• Should have very good verbal and written communication

Web Designers/ WordPress Designers       

Position to apply - Web Designers/ WordPress Designers

Requirements and skills

• Prior work experience of designing website

WORDPRESS & PLUGIN  (MUST KNOWN)

HTML,CSS (PREFERABLE ALONG WITH WORDPRESS AND PLUGIN)

PHOTOSHOP                     

FRONT END DEVELOPMENT (PREFERABLE DEBUGGING,BACK END)                                                             

• Must have proficiency in backend

• Should have the ability to convert customer’s ideas and thoughts to reality

• Creating visually attractive designs for website

• Proper understanding of coding practices

Job Type - Full-time (WORK FROM OFFICE)

Working Days - Monday to Saturday

EXP-- MINIMUM 1 YEARS

Please note this will be a night shift job.

We seek an ambitious and energetic Business Development Manager to help us expand our clientele. You will be at the front of the company and be dedicated to creating and applying an effective sales strategy. Your goal will be to drive sustainable financial growth by boosting sales and forging strong relationships with clients.

Job Description:

1. To connect with qualified leads from SDRs and your contribution.

2. To establish trust and comfort with the prospect.

3. To understand the requirement of a prospect and to frame that requirement into specifics.

4. Work with BA to document and break the requirement into modules and features.

5. Work with the tech team to gather solution approach and estimation.

6. To consult the prospect on the solution approach.

7. To work with BA to prepare proposal and scope document.

8. To work on contract documents and initiate projects.

9. Develop a growth strategy focused both on new business generation and customer satisfaction

10. Conduct research to identify new markets and customer needs

11. Promote the company’s products/services, addressing or predicting clients’ objectives

12. Keep records of sales, revenue, invoices, etc.

13. Provide trustworthy feedback and after-sales support

14. Build long-term relationships with new and existing customers

Desired Candidate Profile

1. Should have a keen interest in IT products and services.

2. Should understand the IT industry and current trends and practices.

3. Should be a thought leader to provide informed and useful suggestions to prospects.

4. Should be able to comprehend a vague requirement and frame it into a quantified requirement.

5. Should have very good negotiation skills to negotiate not only on price but also on ideas, suggestions, and rebuttals.

6. Should have excellent communication skills.

7. Should have good general knowledge to connect with prospects and establish connections.

8. Should be highly driven by targets.

Graphics Designer

• Study design briefs and determine requirements
• Conceptualize visuals based on requirements
• Prepare rough drafts and present ideas
• Develop illustrations, logos, and other designs using software or by hand
• Use the appropriate colors and layouts for each graphic
• Work with copywriters and creative director to produce the final design
• Test graphics across various media
• Amend designs after feedback
• Ensure final graphics and layouts are visually appealing and on-brand

Required Skills:

• Proven graphic designing experience
• Must have knowledge on Page maker
• A strong portfolio of illustrations or other graphics
• Familiarity with design software and technologies (such as InDesign, Illustrator, Dreamweaver, Photoshop)
• A keen eye for aesthetics and details
• Excellent communication skills
• Ability to work methodically and meet deadlines
• Degree in Design, Fine Arts or related field is a plus