Senior Backend Developer / Software Architect, Software Engineer

Specialization: Java, Spring Boot, Microservices and Kafka, Cloud computing on AWS 

1.professional profile

Vijay is a senior Java backend developer with over ten years of experience in developing and optimizing complex backend systems and a specialization in Java, Spring Boot, Microservices and Kafka. His expertise includes cloud computing on AWS and Kubernetes, as well as developing and implementing event-driven architectures and high-availability systems. Vijay is currently based in Bangalore, India and can arrange a work permit for Germany within 5-8 weeks with 60 days notice.

2. professional experience

Senior Software Engineer at Cisco (April 2023 - today, Bangalore, India):

• Development of microservices for Cisco AppDynamics using Java 17, TDD, Spring Boot and Kubernetes to provide a scalable Application Performance Management (APM) solution.
• Implementation of an application-level cache with Redis, which improved API performance by 20 %.
• Conversion of the web server from Glassfish to Jetty, making the application 15 % faster.
• Technologies: Java 17, Spring Boot, Docker, Kubernetes, AWS, Redis.

Senior Software Engineer at Cisco - Project: Cisco Umbrella (April 2020 - March 2023, Bangalore, India):

• Leading a team to develop a cloud-based security platform and implement an identity provisioning system based on SCIM V2 with over 100,000 active users.
• Development of a highly available microservices system with 99.99 % availability on AWS EKS.
• Implementation of Change Data Capture (CDC) for real-time data synchronization with Kafka and MySQL.
• Technologies: Java 8, Spring Boot, Kafka, MySQL, AWS, Kubernetes, Docker, Helm, Kafka Streams.

Senior Software Engineer at Cisco - Project: Cisco Umbrella SSO (December 2018 - March 2020, Bangalore, India):

• Development of an SSO authentication function with SAML 3.0 that enables secure login for multiple applications.
• Security optimization through encryption of browser cookies and use of TLS for secure communication.
• Technologies: Java, Spring Boot, SAML 3.0, JUnit, ADFS.

R&D Engineer at Nokia (November 2014 - March 2016, Bangalore, India):

• Development of a geo-localization system for the Nokia Network System that reduced connection times by 30 %.
• Optimization of the application by implementing caching and tests with Mockito and JUnit.
• Technologies: Java 7, JUnit, Ant, Mockito.

3. education

• Master of Science in Machine Learning and Artificial Intelligence - Liverpool John Moores University, England (2020-2022, distance learning)
• Bachelor of Technology in Computer Science and Engineering - Uttar Pradesh Technical University, India (2006-2010)

4. technical skills

Programming languages and frameworks: Java, Spring Boot, Kafka, SQL, TypeScript, Angular, Hibernate
Cloud and DevOps: AWS, Kubernetes, Docker, Terraform, Helm
Databases: PostgreSQL, MySQL, NoSQL, Redis
Security and authentication: OAuth2, SAML, SSL/TLS
Methods and tools: TDD, Agile/Scrum, JUnit, Mockito, Git, Maven, Gradle

5. language skills

• English: Fluent (C2)
• Hindi: Mother tongue
• German: Basic knowledge (A1, currently in training)

6. strengths

• Specialization in cloud and microservices architectures: Extensive experience in the development of scalable microservices on AWS and Kubernetes.
• Experience in event-driven architecture: Sound knowledge of Kafka and the implementation of event-driven systems for highly available applications.
• Performance optimization and safety: Proven success in performance and security optimization through the use of caching and authentication protocols such as OAuth2 and SAML.

7. suitability for the German labor market

Vijay's extensive experience in backend engineering and his expertise in cloud and microservices architectures make him a great fit for the German market. His ability to develop scalable and secure systems and deliver highly available applications makes him a valuable candidate for organizations looking for high-performance backend and event-driven solutions. 

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