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.

Job Title : Lead Java Developer (Backend)

Experience Required : 8 to 15 Years

Open Positions : 5

Location : Any major metro city (Bengaluru, Pune, Chennai, Kolkata, Hyderabad)

Work Mode : Open to Remote / Hybrid / Onsite

Notice Period : Immediate Joiner/30 Days or Less

About the Role :

• We are looking for experienced Lead Java Developers who bring not only strong backend development skills but also a product-oriented mindset and leadership capability.
• This is an opportunity to be part of high-impact digital transformation initiatives that go beyond writing code—you’ll help shape future-ready platforms and drive meaningful change.
• This role is embedded within a forward-thinking digital engineering team that thrives on co-innovation, lean delivery, and end-to-end ownership of platforms and products.

Key Responsibilities :

• Design, develop, and implement scalable backend systems using Java and Spring Boot.
• Collaborate with product managers, designers, and engineers to build intuitive and reliable digital products.
• Advocate and implement engineering best practices : SOLID principles, OOP, clean code, CI/CD, TDD/BDD.
• Lead Agile-based development cycles with a focus on speed, quality, and customer outcomes.
• Guide and mentor team members, fostering technical excellence and ownership.
• Utilize cloud platforms and DevOps tools to ensure performance and reliability of applications.

What We’re Looking For :

• Proven experience in Java backend development (Spring Boot, Microservices).
• 8+ Years of hands-on engineering experience with at least 2+ years in a Lead role.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Good understanding of containerization and orchestration tools like Docker and Kubernetes.
• Exposure to DevOps and Infrastructure as Code practices.
• Strong problem-solving skills and the ability to design solutions from first principles.
• Prior experience in product-based or startup environments is a big plus.

Ideal Candidate Profile :

• A tech enthusiast with a passion for clean code and scalable architecture.
• Someone who thrives in collaborative, transparent, and feedback-driven environments.
• A leader who takes ownership beyond individual deliverables to drive overall team and project success.

Interview Process

1. Initial Technical Screening (via platform partner)
2. Technical Interview with Engineering Team
3. Client-facing Final Round

Additional Info :

• Targeting profiles from product/startup backgrounds.
• Strong preference for candidates with under 1 month of notice period.
• Interviews will be fast-tracked for qualified profiles.

Job Summary:

We are looking for a highly skilled and experienced C++ Developer with a strong background in embedded systems to join our dynamic product engineering team. The ideal candidate will have at least 5 years of recent hands-on experience in designing, developing, and optimizing high-performance embedded software applications using modern C++ standards (preferably C++11 or later). This is an exciting opportunity to work on cutting-edge technologies in a collaborative and innovative environment.

Key Responsibilities:

• Design, develop, and maintain robust and scalable software solutions using C++11 or above
• Work closely with hardware and embedded teams to implement and integrate real-time systems
• Develop software for embedded platforms and optimize performance for various target environments
• Implement and maintain multithreaded applications and handle concurrency issues efficiently
• Conduct unit and integration testing to ensure high-quality deliverables
• Collaborate with cross-functional teams including Product, QA, Hardware, and Design
• Troubleshoot, debug, and resolve complex technical issues in embedded environments
• Participate in code reviews and adhere to best practices in coding and documentation
• Stay updated on the latest advancements in C++ and embedded systems development

Required Skills & Qualifications:

• Bachelor's or Master’s degree in Computer Science, Electronics, or related field
• 5+ years of professional software development experience with strong recent exposure to C++
• Hands-on experience with C++11 or newer versions (C++14/17 preferred)
• Strong understanding of object-oriented programming (OOP) and software design patterns
• Proficient in embedded system programming and real-time operating systems (RTOS)
• Experience in multithreaded programming and inter-process communication
• Proficient in debugging tools, performance analysis, and memory management
• Familiarity with version control systems like Git

Preferred Skills:

• Experience working on low-level drivers, hardware integration, and peripherals
• Familiarity with scripting languages (Python, Bash) for automation
• Exposure to CI/CD pipelines and Agile/Scrum development methodologies
• Knowledge of tools such as GDB, Valgrind, JTAG debuggers, etc.
• AWS or cloud-based experience is a plus (for remote monitoring/logging or OTA updates)

Roles and Responsibilities

• o Highly skilled in back-end development using .NET C#
• o Strong experience in Microsoft Azure environment
• o Strong experience in REST API development
• o Experienced in Microservice architecture
• o Experienced in an agile development and project environment
• o Experienced with Microsoft Teams, Git and GitHub
• o Strong ability to produce technical documentation for developed solution
• o Familiar with agile development tools like Atlassian jira favourable
• o Familiar with Azure SQL favourable
• o Understanding of CI/CD favourable

We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue

• Analyze highly complex business requirements;
• generate technical specifications to design or redesign complex software components and applications;
• Acts as an expert technical resource for modeling, simulation and analysis efforts;
• Adapt to change quickly and adjust work accordingly in a positive manner;
• Be flexible and thrive in an evolving environment;
• Individual contributor to build the application for e-commerce platform;
• Assures quality, security and compliance requirements are met for supported areas;
• Working in cloud data stores to include S3, DynamoDB and/or Amazon RDS;
• Perform test automation in a test-driven development environment;
• Implement DevOps concepts, tools and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira, etc;
• Implement instrumentation to gather business-specific metrics around consumer usage patterns;

• Hands-on development and optimization of image enhancing algorithms for image processing using computational imaging
• Working with peer teams on researching and resolving complex software and system problems
• Analvze and optimize different methodologies to improve output of image processing
• Work closely with Quality Assurance teams to refine algorithms for optimal system performance
• Support products from the early development and prototyping phases through to production
• Developing functional specifications per customer requirements
• Good understanding of image processing techniques such as edge detection skills, image alignment, removing noise, image segmentation, correction/modification, compression, and image reconstruction

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.

Job Description

Experience : 3-5Years

Requirement

• 3+ years of backend/full-stack development experience
• Proficient knowledge of a back-end programming language i.e Node.Js
• Experience with AWS services,Mongo DB
• Experience with RabbitMQ or similar queuing system
• Experience with Redis/ElasticSearch/PHP is a plus
• Familiarity with CI/CD pipeline tools like Jenkins
• Experience in handling a team
• Good at Design patterns, Algorithms, and Data structures.
• Have outstanding leadership skills, excellent people/communication, and negotiation skills
• Good knowledge of working with Git 

• User authentication and authorization between multiple systems, servers, and

           environments.

• Integration of multiple data sources and databases into one system

           Management of the hosting environment, including database administration

           and scaling an application to support load changes

.

Regards
Team Merito

What you need to have: