11+ Ubuntu Jobs in Kolkata | Ubuntu Job openings in Kolkata

We are seeking an IT/System Administrator to manage and maintain our web servers, monitor system performance, and ensure uptime for our E-lock GPS web platform. This individual will play a key role in server monitoring, troubleshooting, and managing basic backend operations.

Key Responsibilities:

Monitor and maintain servers, ensuring uptime, performance, and security.

Perform basic troubleshooting for server-related issues (e.g., service restarts, log analysis).

Manage server logs, backups, and storage usage.

Implement basic security measures, including access control and firewall monitoring.

Collaborate with developers and report any critical server issues or bugs.

Manage GitHub for tracking system updates and version control.

Skills Required:

Basic Linux/Ubuntu server administration (preferred) or Windows Server.

Familiarity with SSH, server logs, and cloud services (AWS, DigitalOcean, or similar).

Experience with Git/GitHub for managing repositories.

Basic knowledge of system security, firewalls, and network protocols.

Strong troubleshooting and problem-solving skills.

Education and Experience:

Bachelor’s degree in IT, Computer Science, or related field (preferred).

1-3 years of experience in IT/System Administration or similar roles.

NOTE: We’re inviting applications for a 6-month internship in IT and System Administration at Mondiale Technologies, a company at the forefront of smart logistics and IoT-based tracking solutions

Eligibility: Diploma in Electronics / BCA / B.Sc. IT / MCA / B.Tech (Final year students or recent graduates)

Internship Highlights:

• Hands-on experience in system monitoring, basic troubleshooting, and hardware/software setup
• Exposure to managing IT infrastructure for field-deployed IoT tracking devices
• Opportunity to support internal users and technical teams
• Real-world learning in a fast-paced, tech-enabled logistics environment

Stipend: YES

✅ Pre-placement offer for high-performing candidates

Candidates who successfully complete the internship and demonstrate strong performance will be offered a regular full-time role within the company.

We are looking for a Senior Java Developer with 6+ years of experience to join our team. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, and Cloud Technologies. You will play a key role in designing, developing, and optimizing scalable applications while mentoring junior developers and ensuring best coding practices.

Key Responsibilities:

• Design, develop, and maintain Java-based enterprise applications.
• Implement and optimize Microservices Architecture using Spring Boot.
• Develop, test, and deploy RESTful APIs and Web Services.
• Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
• Ensure application scalability, security, and performance.
• Collaborate with DevOps teams for CI/CD pipeline integration.
• Work with Cloud platforms (AWS, Azure, or GCP) for cloud-native development.
• Implement best practices for coding, testing, and deployment.
• Lead code reviews, mentor junior developers, and contribute to architectural decisions.
• Troubleshoot production issues and provide effective solutions.

Required Skills & Experience:

• 6+ years of hands-on experience in Java development.
• Strong expertise in Spring Boot, Spring MVC, and Spring Security.
• Experience with Microservices Architecture and containerization tools like Docker/Kubernetes.
• Proficiency in SQL & NoSQL databases (MySQL, PostgreSQL, MongoDB, Redis).
• Hands-on experience with RESTful APIs, messaging systems (Kafka, RabbitMQ), and authentication mechanisms (OAuth, JWT, SAML).
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).
• Experience in Agile/Scrum development methodologies.
• Strong knowledge of multi-threading, concurrency, and design patterns.

Software Developer-PHP(Project BCS)

Summary:

We are seeking a highly skilled and experienced Junior Software Developer with a strong background in PHP to join our Information Technology department. The ideal candidate should have at least 5-6 years of experience with Laravel and possess a deep understanding of PHP frameworks(Laravel.Codeigniter) and coding practices. As a Software Developer, you will be responsible for developing and maintaining web applications, collaborating with cross-functional teams, and ensuring the delivery of high-quality software solutions.

Roles and Responsibilities:

- Collaborate with senior developers and project managers to gather requirements and design software solutions.

- Develop and maintain web applications using PHP frameworks such as Laravel or CodeIgniter.

- Write clean, maintainable, and efficient code following coding standards and best practices.

- Troubleshoot and debug software issues, identify and fix performance bottlenecks.

- Participate in code reviews to ensure code quality and adherence to coding standards.

- Integrate data from various back-end services and databases.

- Stay up-to-date with emerging technologies and industry trends, and apply them to improve software development processes.

- Assist in the deployment and maintenance of software applications.

Qualifications:

- Bachelor's degree in Computer Science, Information Technology, or a related field.

- 5-6 years of experience in software development, with a focus on PHP.

- Strong knowledge of PHP frameworks such as Laravel or CodeIgniter.

- Proficient in HTML, CSS, JavaScript, and MySQL.

- Experience with version control systems, such as Git.

- Familiarity with front-end frameworks like Vue.js or React is a plus.

- Excellent problem-solving skills and attention to detail.

- Strong verbal and written communication skills.

- Ability to work independently and as part of a team.

Key Responsibilities:

• Development of a Single Page Application (SPA) and it's components in Typescript: deployed and optimized for progressive mobile and browsers using Angular 2 and Ionic 2 frameworks.
• Creating custom, general use modules and smart components which extend the elements and modules of core Angular framework.
• Creating self-contained, reusable, and testable modules and components in Typescript and using responsive HTML and CSS.
• Architecting and automating the build process for production, using task runners or scripts.
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

Skills and Qualifications:

• Should have experience with CSS 3, SCSS, Java script and HTML5.
• Full-time knowledge of Angular practices and commonly used modules based on extensive work experience. Or 2 Year or more experience with other industry-leading frameworks like React.
• Minimum 1-year experience in working and extending one of the CSS or UI frameworks like Ng-lightening, Angular-material

Education:

• BE / BTech / MCA

Software Engineer

Opportunity in this role / Why should you join us?

- You are your own master.  We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading fintech unicorn company

- ESOPs in the company

Requirements

• 3+ years and above exposure in the art of writing codes and solving problems for large scale
• Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
• Have a penchant for solving complex and interesting problems.
• BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
• Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
• Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with

multi-threading and concurrency programming

• Ability to switch between the technologies and learn new skills on the go.

Roles and Responsibilities

• Drive discussions to create/improve the product, process and technology
• Build abstractions and contracts with separation of concerns for a larger scope
• Rapid prototyping
• Robust and scalable web-based applications
• Do high-level design with guidance; Functional modelling, break-down of a module
• Thinking platforms & reuse, the open-source contribution will be a plus
• Do incremental changes to architecture: impact analysis of the same
• Do performance tuning and improvements in large scale distributed systems
• Mentor young minds and foster team spirit.

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

REQUIREMENTS:

• Experience: 4.1-7 years
• Must have Skills: JavaScript ES6, MySQL, RabbitMQ, Redis, Node JS
• Strong technical background with node.js, event loop understanding, unit testing, developing web application & APIs, event & stream, call-back & closures, promise, async/await, accessing file system, Optimization techniques.
• Strong experience in JavaScript, Express.js, GraphQL
• Strong knowledge of REST, microservices, cloud development and design patterns
• Comfortable using modern tools and platforms such as Docker, Jenkins, Gitlab CI, etc.
• Comfortable using agile methodologies.
• Understanding of different components such as web server, storages, integrations
• Should have worked on designing and building server-side solutions (in any technology), build process of node.js, CI/CD process of node.js, multi-tasking (working on multiple things at same time)
• Good knowledge of functional and Object-Oriented Programming
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.
• Familiarity with Azure pipeline
• Should have experience in Identifying software application weaknesses and target areas and sketching out ideas for automated software test procedures. Reviewing software bug reports and highlighting problem areas.
• Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
• Fundamental knowledge of design patterns
• Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
• Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.

RESPONSIBILITIES:

• Writing and reviewing great quality code
• Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project.
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production roll outs.
• Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving of complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.

Designation : *Senior Node.js Developer*

CLient Name : *CLIRNET*

Key Responsibilities:

 Design and develop scalable, high-performance backend systems using Node.js

 Write clean, maintainable, and efficient code

 Collaborate with cross-functional teams to identify and solve complex software problems

 Participate in code reviews to maintain code quality standards

 Optimize application for maximum speed and scalability

 Develop and maintain API endpoints

 Implement security and data protection measures

 Develop and maintain automated tests to ensure code quality and coverage

 Participate in Agile development methodologies such as Scrum

Qualifications:

 Minimum of 4 years of experience in Node.js development

 Strong proficiency in Node.js and its core principles

 Experience with backend frameworks such as Express.js

 Experience with automated testing frameworks such as Jest or Mocha

 Strong understanding of software development best practices, including Agile

methodologies

 Familiarity with Git or other version control systems

 Excellent communication skills and ability to work in a collaborative team environment

 PHP Developer SKILLS & Responsibilities:

Extensive experience in PHP and Laravel.
Database Management tools such as MySQL.
The candidate has worked on the web application or REST API for apps, Laravel, Node Js.

Has experience or can work in a team as well as a single person.
Experience building or maintaining a CMS.

Role: Technical Lead

Location: Mumbai/Kolkata

Years of Experience - 9 to 15 years

Qualifications:

• Required person as .net core, team Management,Good communication,Plus Rest API,AWS Lambda,mySql
• AWS API Gateway .
• Bachelor’s degree preferably in Computer Science, Computer Engineering or related field.
• 9 to 12 yrs years’ experience in technology related roles including relevant work as technical architect.
• Experience working with latest software technologies (.Net core 3.1+, MVC/WCF/Web API, cloud hosted (AWS) , mobile ready software products (Angular 6+/React.js)
• Experience in AWS cloud.
• Experience working with GIT/TFS, CI/CD setups, Application Monitoring, Logging and Analysis tools
• Experience working with Service Oriented Architecture
• Experience working in an Agile-SCRUM environment using tools like Jira or equivalent
• Experience working with international customers (US and UK preferable)
• Experience in customer interaction and ability to present solutions and consult clients on technology solutions.
• Ability to effectively communicate with various levels of employees ranging from entry level to senior leadership.
• Proven strong relationship-building and communication skills with team members and business users. Ability to coach and mentor internal teams and customers.
• Highly motivated with excellent verbal and written communication, presentation, facilitation, negotiation and problem solving skills.
• Self-starter with strong organizational and time management skills, self-directed and able to handle multiple priorities with demanding timeframes.
• Willingness and ability to work flexible hours and with minimal supervision.  
• Willingness and ability to travel domestic and occasional international across US and Europe.
• Proficient using standard software, such as MS Office applications, Google Apps, and communication and diagramming/presentation tools.