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

The Knowledge Graph Architect is responsible for designing, developing, and implementing knowledge graph technologies to enhance organizational data understanding and decision-making capabilities. This role involves collaborating with data scientists, engineers, and business stakeholders to integrate complex data into accessible and insightful knowledge graphs.

Work you’ll do

1. Design and develop scalable and efficient knowledge graph architectures.

2. Implement knowledge graph integration with existing data systems and business processes.

3. Lead the ontology design, data modeling, and schema development for knowledge representation.

4. Collaborate with IT and business units to understand data needs and deliver comprehensive knowledge graph solutions.

5. Manage the lifecycle of knowledge graph data, including quality, consistency, and updates.

6. Provide expertise in semantic technologies and machine learning to enhance data interconnectivity and retrieval.

7. Develop and maintain documentation and specifications for system architectures and designs.

8. Stay updated with the latest industry trends in knowledge graph technologies and data management.

The Team

Innovation & Technology anticipates how technology will shape the future and begins building future capabilities and practices today. I&T drives the Ideation, Incubation and scale of hybrid businesses and tech enabled offerings at prioritized offering portfolio and industry interactions.

It drives cultural and capability transformation from solely services – based businesses to hybrid businesses. While others bet on the future, I&T builds it with you.

I&T encompasses many teams—dreamers, designers, builders—and partners with the business to bring a unique POV to deliver services and products for clients.

Qualifications and Experience

Required:

1. Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.

2. 6-10 years of professional experience in data engineering with Proven experience in designing and implementing knowledge graph systems.

3. Strong understanding of semantic web technologies (RDF, SPARQL, GraphQL,OWL, etc.).

4. Experience with graph databases such as Neo4j, Amazon Neptune, or others.

5. Proficiency in programming languages relevant to data management (e.g., Python, Java, Javascript).

6. Excellent analytical and problem-solving abilities.

7. Strong communication and collaboration skills to work effectively across teams.

Preferred:

1. Experience with machine learning and natural language processing.

2. Experience with Industry 4.0 technologies and principles

3. Prior exposure to cloud platforms and services like AWS, Azure, or Google Cloud.

4. Experience with containerization technologies like Docker and Kubernetes

Strong Azure Databricks Engineer / Senior Data Engineer Profile

2

Mandatory (Experience 1) – Must have minimum 8+ years of overall experience in Data Engineering, Data Development, or related data technology roles, with strong hands-on experience in enterprise data pipeline development.

3

Mandatory (Experience 2) – Must have strong hands-on experience with Azure Databricks, including development and optimization of scalable data engineering workflows using Databricks and PySpark.

4

Mandatory (Experience 3) – Must have strong hands-on proficiency in PySpark/Python and SQL, with proven experience developing complex data transformations, processing workflows, and performance-optimized queries.

5

Mandatory (Experience 4) – Must have hands-on experience with Azure Data Factory (ADF) for designing, developing, and orchestrating end-to-end data pipelines and integrating data from multiple sources.

6

Mandatory (Experience 5) – Must have strong experience working on the Azure Cloud platform and associated data services, with solid understanding of data warehousing, data modeling, pipeline architecture, and enterprise data solutions.

7

Mandatory (Experience 6) – Must have hands-on experience implementing CI/CD using Azure DevOps, including deployment and release management across development, QA, and production environments.

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Mandatory (Experience 7) – Must have proven technical leadership experience, including code reviews, enforcing development best practices, mentoring developers, and providing technical guidance to a data engineering team.

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Mandatory (Notice Period) – Immediate joiners or candidates who can join within 15 days.

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Mandatory (Note) - The position is open across all Cognizant offices pan India. Candidates must be willing to attend the F2F interview at the nearest Cognizant office location.

Greetings From NAM INFO Pvt

Performance Engineer III

Experience: 6–8 Years

Location: Siruseri – EB6 / Gitanjali Park – SEZ

Job Summary

We are looking for an experienced Performance Engineer to work on large-scale distributed systems and cloud platforms in a high-traffic e-commerce environment. The role involves performance testing, monitoring, troubleshooting, and tuning applications to improve scalability, reliability, and overall system performance.

Key Responsibilities

• Design and execute performance testing strategies including load, stress, and capacity testing.
• Use tools such as JMeter, Locust, or LoadRunner for performance testing.
• Automate performance tests as part of CI/CD pipelines.
• Analyze performance issues using thread dumps, heap dumps, and TCP dumps.
• Monitor applications using APM tools such as New Relic or Dynatrace.
• Use Splunk for log analysis, dashboards, queries, alerts, and root-cause analysis.
• Tune application servers such as Tomcat, Node.js, and Spring Boot.
• Analyze network performance using tools such as Wireshark, ExtraHop, and Riverbed.
• Monitor systems and proactively identify performance bottlenecks.
• Analyze browser performance using Lighthouse, Chrome DevTools, Catchpoint, and WebPageTest.
• Work closely with Developers, SRE, QA, and DevOps teams.
• Participate in code reviews and ensure performance best practices are followed.

Required Skills

• 6–8 years of experience in Performance Engineering / Performance Testing.
• Strong hands-on experience with JMeter is preferred.
• Experience with Splunk for log analysis and troubleshooting.
• Strong knowledge of APM tools such as New Relic or Dynatrace.
• Experience with performance test planning, execution, analysis, reporting, and defect tracking.
• Good understanding of microservices architecture.
• Experience with performance tuning of Tomcat, Node.js, and Spring Boot.
• Strong troubleshooting and root-cause analysis skills.
• Good understanding of CI/CD and performance test automation.

Good to Have

• Programming experience in Java, Python, or Groovy.
• Experience analyzing heap dumps, thread dumps, and TCP dumps.
• Knowledge of Wireshark or CloudShark.
• Experience with Fiddler and Chrome DevTools.
• Knowledge of Azure, AKS, or GCP.
• Certifications in Azure, Splunk, or New Relic.

We are looking for a professional in Quality Assurance to join our team.

In this role, you will be responsible for designing and implementing test plans to improve the usability of our products

The QA Tester works with the development team and other QAs to test software functionality, identify errors, and troubleshoot any issues with the software code.

Apply now for the role of QA (Software Tester) at Codebuddy, which is opening doors for skilled, energetic individuals looking to grow exponentially in their careers.

A successful QA (Software Tester) should be hard-working, have a strong working knowledge of software code and testing methodologies, and be a team player.

Responsibilities:

• Designing test plans, scenarios, scripts, and procedures.
• Executing tests on source code.
• Analyzing test results and reporting to the development team.
• Working with the development team to correct bugs and errors.
• Performing routine inspections and quality tests.
• Preparing and implementing quality assurance policies and procedures.
• Identifying and resolving workflow and production issues.
• Ensuring that standards and safety regulations are observed.
• Addressing and discussing issues and proposed solutions with superiors.
• Documenting quality assurance activities and creating audit reports.
• Making recommendations for improvement.
• Creating training materials and operating manuals.

When You Need To Apply (Technical Competency) :

• A Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum 3 years experience in QA testing.
• Should have experience or knowledge in Automation testing
• Good working knowledge of test management software, programming languages, and QA methodologies.
• Familiarity with Agile frameworks and regression testing is a plus.
• Ability to document and troubleshoot errors
• Good teamwork and critical thinking skills.
• Excellent data collection and analysis skills.
• Strong attention to detail.

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.

About Hamleys:

Hamleys is not just a Toy Store but an entire Toy experience. Currently there are more 125 stores in India and we are present in more than 20 countries. 365 days of play is the brand philosophy of Hamleys. At Hamleys we believe in giving our customers an Instore experience that helps him build memories for lifetime.

Job Title: Fun Consultant

Grade: A1

Role:

• Warmly welcome and approach each customer – customer’s inclination to shop starts right from the first step & eye contact.
• Believes and lives the attitude of “Sheer customer delight” – go beyond
• To efficiently adhere to all “company procedures and policies.”
• To work with the team to achieve award winning “customer service.”

Key Responsibilities:

• Contribute to achieve store KPIs.
• Utilize the knowledge of trends and guide each customer on “what suits better” – in line with the customer needs, individuality and product range.
• Believes and lives the attitude of “Sheer customer delight” – go beyond

Desired Skills & Abilities

• Superior understanding of Indian retailing and global trends.
• Good communication and interpersonal skills - understand customer needs
• Good at relationship building - conversion to sales
• Ability to follow brand and store guidelines
• Good operations experience – receiving stock, inventory keeping, cash handling etc.

Full Stack Developers at The Seenit Co. are passionate about using technology to create an impact on the world they live in. At Seenit, you will get to collaborate with an accomplished team that loves solving real-world problems. You will get to work on cutting edge projects that will shape the next phase of growth for the global luxury industry.

Seenit’s suite of products enables the leading luxury retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their existing infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping.

We would welcome someone to the team who:

• Loves to write “clean”, well designed code to solve complex problems
• Can design, develop and test the core product software and databases to ensure strong optimization and functionality
• Is inclined to contribute in all phases of the development lifecycle and takes end to end ownership of the project
• Follows best industry practices
• Is excited to support others to succeed and shine in a collaborative team culture

• 4+ years experience building backend services for production web applications
• Experience in working with AGILE methodology
• Experience deploying softwares to cloud providers such as GCP, AWS
• Good knowledge of NoSQL databases, and query optimisations
• Experience with MongoDB, Express JS, React JS, Node JS, TypeScript
• Experience with caching implementation using Redis
• Experience with Elastic Search will be an added advantage.
• Previous exposure to leading a team of 3 or more full stack developers will be an added advantage

Commercial / residential Building experience is a must.

Industrial building exposure will not be considered relevant experience.

Material Planning

Monitoring progress of project assigned

Coordination with Project Team, Consultants, Quantity Billing