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Devalgas K.DK

Devalgas K.

✅ FullStack Developer Java ⇒ Spring✚Angular⬌Vue

€450/day
Paris, FR
8-15 years

Average response time: 1 hour

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About Devalgas

My background as a developer has allowed me to combine the robustness of Java/Spring, the flexibility of Angular and Vue, and the efficiency of AWS to design quality applications, supported by automated tests within a DevOps culture.
  • French

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • Open SAS
    Senior Designer Developer
    PUBLIC SECTOR
    October 2023 - Today (2 years and 8 months)
    Levallois-Perret, France
    • Participate in meetings and functional analysis of business needs with the Product Owner and Lead Tech
    • Develop backend and frontend features for business modules in a Spring Boot 3.x, Vue 3, and Angular 19+ environment
    • Ensure corrective and evolutionary maintenance to integrate legal and fiscal changes.
    • Design and develop POCs for complex components (trees, hierarchical tables, dynamic forms)
    • Write automated tests (unit, integration) in TDD within a hexagonal architecture.
    • Implement business logic and manage data via JPA/Hibernate, SQL, and schema migrations with Liquibase
    Implement scheduled tasks and batch processing
    • Contribute to technical best practices (Clean Code, SOLID, design patterns, documentation, Sonar quality).
    • Migrate Spring Boot platforms (2.7.3 → 3.3.4) and upgrade Elasticsearch (7.17.2 → 8.13.4)
    Spring boot Vue.js Angular Spring Batch SQL
  • Crédit Agricole
    Senior Application Development Analyst
    BANKING AND INSURANCE
    May 2022 - August 2023 (1 year and 3 months)
    Port-Louis, Mauritius
    Participate in meetings
    • Work closely with developers (front & back), DevOps, QA, and business teams to ensure projects are completed on time and successfully
    • Participate in Scrum events and task estimation
    • Develop and maintain robust and scalable backend and frontend features in a Spring Boot 3.x environment
    • Implement business logic related to the mainframe or MS SQL Server database, via JPA/Hibernate and performant SQL queries
    • Write automated tests (unit, integration, API) to ensure code reliability
    • Participate in code reviews to ensure code quality and compliance with company coding standards
    • Expose features via documented and versioned REST APIs
    • Ensure bug fixing and actively participate in application stability
    • Automate and industrialize accident control
    • Contribute to code reviews, technical documentation, and best practice sharing
    • Develop and maintain robust and scalable backend and frontend features in a Spring Boot 2.x environment
    • Integrate database schema changes via Liquibase
    • Document web components via StoryBook
    • Migrate Vue.Js 2 micro frontends to Vue.Js 3
    • Migrate web components and micro frontends to the new graphic charter
    • Optimize web page changes
    • Add queries within MetaBase for quick analysis
    • Add, validate via fraud detection, and configure new BUs (Business Units)
    • Containerize services with Docker
    • Refactoring and contribute to code reviews, technical documentation, and best practice sharing
    Java Spring boot Vue.js SQL DevOps
  • BaobaThe Baoba Ag
    Software Engineer
    ENTERTAINMENT AND LEISURE
    February 2020 - March 2022 (2 years and 1 month)
    Switzerland
    • Participate in needs analysis, planning, and database design
    • Participate in the evolution of technical documentation to ensure understanding of architecture and features
    • Design, develop, and maintain robust and scalable backend features in a Spring Boot 2.x and 3.x environment
    • Write automated tests (unit, integration, API) to ensure code reliability
    • Perform performance tests with Jmeter
    • Integrate database schema changes via Liquibase and Flyway
    • Expose features via documented and versioned REST APIs with OpenApi
    • Participate in the continuous improvement of the CI/CD pipeline (Gitlab-CI, Git Ops, Terraform)
    • Add and configure new micro-services with Spring Cloud
    • Containerize services with Docker for development, testing, and production environments
    • Participate in setting up development tools and automation processes to improve software development efficiency
    • Integrate external APIs: Twilio, Stripe, PayPal…
    • Add and configure AWS services such as EC2, S3, CloudFront, IAM, VPC, Route53, EKS, RDS… to reduce initial costs
    • Participate in setting up a Blue-Green deployment strategy
    • Perform continuous integration and deployment on .gitlab-ci to facilitate service updates
    • Maintain YAML configuration files to define Pods, Deployments, and Services.
    Java Spring boot DevOps AWS Microservices SQL

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Education

  • Master I, Informatique
    Université de Yaoundé I
    2019
    Master I, Informatique

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