
Neye AHMED IZID BIH NEYE
Lead Software Engineer | Java Expert
Salary / Daily rate
Paris, France
Mobility: France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Java-certified Lead Software Engineer with 7+ years building enterprise solutions for banking and energy sectors. Expert in high-performance REST APIs, microservices architecture, and Spring ecosystem (Boot 2-4, Batch, Cloud), with proven success migrating critical systems to Java 21/25 and optimizing low-latency trading applications at Société Générale. I deliver scalable, production-ready solutions with strong focus on performance tuning and modern tech stack upgrades.
Work experience
Senior Software Engineer
Societe Generale Corporate and Investment Banking - SGCIB
Jan 2025 - Present
1 year 10 months
Paris, France
– I am part of a team of senior developers working across multiple domains: – Development of REST APIs enabling communication with an external service responsible for managing synthetic equity swaps and cash prime brokerage operations – Development of a pre-trade application responsible for performing checks on market orders placed by traders My work primarily focuses on: – Developing REST APIs – Building batch processes using Spring Batch – Implementing real-time order validation logic with strict latency constraints – Designing technical solutions following business workshops – Tuning the garbage collector to minimize the pause times – Deploying and monitoring applications in production – Upgrading the technical stack from Java 11 to Java 21 & 25 and from Spring Boot 2 to Spring Boot 3 & 4 (using OpenRewrite) Technical Stack: Java 11-21-25, Spring Boot 2-3-4, Spring Cloud, IntelliJ, Git, GitHub, Liquibase, Jenkins, XLDeploy, Docker, Kubernetes, Maven, JFrog, SonarQube, ELK (Elasticsearch, Logstash, Kibana)
Software Engineer
EDF
Sep 2018 - Aug 2024
6 years
Paris, France
Context: SWITCH is a digital transformation project aimed at optimizing all tasks required from the design phase of a nuclear power plant to its deployment. I worked within several Agile teams, each addressing different functional areas: – Safety data management and component process workflows within the nuclear power plant – 2D design of piping and HVAC systems – Change management for all components of the power plant – Integration of the 3D models My main responsibilities included: – Developing REST APIs using Spring – Data migration using Spring Batch – Developing Java libraries shared across all project teams – Writing Bash and PowerShell scripts – Implementing new features in the CATIA 3D design tool in C++ – Migrating the codebase from Java 8 to Java 11 – Writing build scripts using Gradle – Designing technical solutions following client workshops – Supporting and mentoring junior developers – Writing documentation to facilitate onboarding of new developers – Deploying and monitoring applications in production Technical Stack: Java 11-17, IntelliJ, Git, GitLab, Jenkins, Gradle, Nexus, SonarQube, Grafana Environment: Tomcat, Oracle, HAProxy, RHEL
Education
Université de Technologie de Troyes
Master's degree, Digital Management of Products and Infratsructures
2013 - 2019
6 years 1 month
Excellence High School
Baccalaureate, Mathematics and physics
2010 - 2013
3 years 1 month
Licenses & certifications
SI Associate
Issued: –
Oracle Certified Professional: Java SE 17 Developer
Issued: –