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Singalle G.SG

Singalle G.

Kotlin and Java Spring Engineer | RAG | CICD

€500/day
Crosne, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Singalle

Experienced Java/Kotlin Spring Boot developer, specializing in cloud applications and CI/CD automation. Proactive and a good proposer, I have actively contributed to the design, implementation, and deployment of Cloud applications

Services offered:

**Cloud & Microservices Development**: Design, development, and deployment of robust and scalable applications.

**CI/CD Automation**: Implementation of pipelines for fast and reliable deployments.

**AI / RAG Integration**: Enhancing applications with language models (LLM) and AI solutions (RAG).

**Performance Optimization**: Improving response times and reducing technical debt.

**Code Audit**: Analyzing code quality and identifying areas for improvement.


Key Experiences:

Orange - Djingo (Chatbot/Callbot):
Development of key features (contract management, claims, assistance, subscription).
Integration of OpenAI with IBM Watson Discovery to improve response relevance.
Optimization of tests and deployment cycles.
Mediation Platform (Orange):
Microservices architecture with Spring Cloud.
Automation of business processes with Spring Batch.
Deployment on Kubernetes (CaaS CNP).

**Technologies**:


Languages: Java 17, Kotlin, Python
Frameworks: Spring Boot, Angular 14
Cloud: AWS S3, Kubernetes
DevOps: GitLab CI, Docker
AI: OpenAI, IBM Watson
Others: Redis, MongoDB, JUnit, Mockito, Salesforce, Spring Cloud, Spring Batch

What motivates me:

Designing innovative and high-performance solutions.
Automating processes to increase efficiency.
Working in a team to achieve ambitious goals.

I am available to:

Develop your cloud applications.
Implement CI/CD pipelines.
Integrate AI into your solutions.
Optimize your existing systems.

Feel free to contact me to discuss your projects!
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Crosne (up to 50km), Paris (up to 50km), Puteaux (up to 50km), Courbevoie (up to 50km)

Experience

  • Orange Business
    Java/Kotlin Spring Boot/Angular Software Engineer | CICD
    TELECOMMUNICATIONS
    September 2023 - December 2024 (1 year and 3 months)
    Paris, France
    Context
    Software Engineer Java/Kotlin Spring boot/Angular, design and development of key features for Djingo, a chatbot/callbot for Orange's professional and business clients
    - contract management
    - claim processing
    - assistance
    - internet option subscription

    Missions:
    1. Core Development
    Implementation of the internet options subscription module
    2. AI Innovation
    Use of an LLM (OpenAI) to train IBM Watson Discovery
    Model training through FAQ integration
    Significant improvement in Djingo's response relevance
    3. Performance & Quality
    Reduction in test execution time by transforming integration tests into unit tests
    Optimization of validation times
    4. DevOps
    Implementation of a complete CI/CD pipeline
    Automation of AI model training
    Optimization of deployment cycles

    Tools: Java 17, Kotlin, Python, Spring boot, Angular 14, Gitlab-ci, AWS S3, Docker, Junit, Mockito, Redis, MongoDB, Sonar, IBM Watson, OpenAI
    Gitlab CI/CD Angular OpenAI Spring boot Java
  • Orange Business
    Java Spring Developer Engineer | Microservices | CICD
    TELECOMMUNICATIONS
    September 2021 - September 2023 (2 years)
    Paris, France
    Context
    Java Spring boot/cloud developer engineer on the mediation platform: An application enabling data synchronization between Customer Links (Salesforce CRM) and Orange's IS.

    Missions:
    1. Microservices Architecture
    - Advanced configuration of microservices with Spring Cloud
    - Creation of a shared library for code optimization
    - Improved maintainability and reduced technical debt
    2. Automation
    - Implementation of batches with Spring Batch
    - Optimization of business processes
    - Automated cross-platform data synchronization
    3. DevOps & Cloud
    - Implementation of CI/CD pipelines with GitLab CI
    - Deployment on the "CaaS CNP" cloud (Kubernetes)
    - Application containerization with Docker

    Tools: Java 17, Spring boot, Gitlab, kubernetes, Docker, Junit, Mockito, SalesForce, microservices, spring batch/cloudContext Java Spring boot/cloud developer engineer on the mediation platform: An application enabling data synchronization between Customer Links (Salesforce CRM) and Orange's IS. Missions: 1. Microservices Architecture - Advanced configuration of microservices with Spring Cloud - Creation of a shared library for code optimization - Improved maintainability and reduced technical debt 2. Automation - Implementation of batches with Spring Batch - Optimization of business processes - Automated cross-platform data synchronization 3. DevOps & Cloud - Implementation of CI/CD pipelines with GitLab CI - Deployment on the "CaaS CNP" cloud (Kubernetes) - Application containerization with Docker Tools: Java 17, Spring boot, Gitlab, kubernetes, Docker, Junit, Mockito, SalesForce, microservices, spring batch/cloud
    Spring Boot, Spring Batch and 5 more skills
    Spring boot Microservices Architecture Java Kubernetes Git
  • Conseil Général de Seine & Marne
    Apprentice
    PUBLIC SECTOR
    January 2020 - January 2021 (1 year)
    Savigny-le-Temple, France
    Responsible for social domain applications
    Achievements:
    Database management (Oracle, MySQL), and servers.
    Web API development.
    Redesign of a part of the website for the Departmental House for Persons with Disabilities (MDPH)
    Conducting training sessions for MDPH teams
    Environment: Java, Oracle, SQL, Html, CSS, Javascript, jQuery, CMS
    Java SQL JavaScript CMS

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Education

  • Professional Bachelor's Degree: Software Design, Development, and Testing
    Université Paris Descartes
    Développement web, logiciel, test et base de données...
  • Master's in Software and Data
    Gustave Eiffel University
    2021
    développement Java, android, J2ee, Sping boot, docker...

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