Freelancer profile translated to English.

Description

Experienced Full-Stack Developer in Java/Spring Boot and Angular/TypeScript, specializing in GIS.

Passionate about designing robust technical solutions, I am involved in complex projects where code quality and architecture are essential.

Experience in critical sectors (SNCF railway, health insurance) with a rigorous and quality-oriented approach.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Nantes (up to 50km)

SNCF
Full Stack JAVA Angular GIS Developer
TRANSPORTATION
January 2023 - Today (3 years and 5 months)
Nantes, France

Corrective and evolutionary maintenance on all production applications
Development of GIS applications (Geoprism, Carto Chantiers)
Design and development of reusable Angular widgets
Technical referent for 4 common platform applications
POC POC on advanced editing functionalities and technical studies
Code and quality review
DevOps (Ansible, Jenkins, Docker, Kubernetes)
Angular 9 → 17 Migration
Technical and functional documentation

Technologies
Frontend: Angular, TypeScript, RxJS, PrimeNG, ArcGIS JS API
Backend: Java, Spring Boot, REST APIs, Kotlin, RUST
GIS: ArcGIS MapServer, mapping services, geocoding
DevOps: Jenkins, Ansible, Docker, Kubernetes
Databases: PostgreSQL, Oracle, SQL
Cloud: AWS

Methodology: Agile
Angular Java Kotlin Spring boot API
Santeclaire
JAVA Angular Developer
February 2020 - October 2022 (2 years and 8 months)
Nantes, France
-Project Context: Optimization of medical quote processing to ensure the continuity of operations and services provided within the insured assistance consulting team.

Analysis and optimization of existing processes
Reduction of processing times and memory optimization
Error recovery mechanisms
Improved traceability and logging
Processing of large volumes with time constraints

Java batch backend development
Modular batch architecture (read, transform, write)
Processing of large files (CSV, flat files, proprietary formats)
Concurrency management and parallel processing
Data validation and quality control
Transaction management and consistency

Integration with information systems
Oracle: complex queries, stored procedures, SQL optimization
SQL Loader for bulk loading
Detailed LDAP and Active Directory
Connectors and adapters for legacy systems
Exchange formats (EDI, XML, JSON)

Maintenance and evolution
Resolution of critical production bugs
Performance and stability analysis
Java migration (8 → 11 → 17)
Dependency updates
Technical support and business assistance
Java Spring boot Vue.js API FullStack Development
AFPA
JAVA Developer
January 2019 - January 2020 (1 year)
Paris, France
-Project I: Design, development, and deployment of a windowed application connected to a database.
-Project II: Development and deployment of an e-commerce platform (J2EE), with order taking and database recording system.

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Level II Diploma - (Master's degree equivalent)
AFPA Paris
2020
Diplôme niveau II - (bac +4)
Bachelor's Degree in Production Management for Passenger Transport
RPTP AFTRAL
2017
Licence Responsable Production Transport de Personne.

Check out Cheikh's education

Cheikh Djitté

Full Stack JAVA Angular Developer

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