Freelancer profile translated to English.
Back to original languageAbout Ahmed
Hello and nice to meet you!
My name is Ahmed, I am a Senior Developer and Tech Lead specializing in Java & Spring. I combine backend expertise (DDD, Event Sourcing) with technical versatility. Comfortable across the entire development chain, I also master web design, CI/CD tools, and many modern technologies. I bring a global, pragmatic, and quality-oriented vision, with a real taste for clean architecture and product efficiency.
Feel free to contact me.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- IVSJAVA Developer & Tech LeadApril 2022 - Today (4 years and 2 months)Tech Lead, Developer and Scrum Master within a team that manages and references business entities as part of the IVS program (solution for managing individual and collective health and welfare contracts).Technologies: Java 17, Spring Boot 3, Axon (Server/Framework), Reactor, Spring WebFlux, Kafka, Docker, K8s, Hazelcast, Javers, Server-Sent-Events, Keycloak, JWT, Karate, MongoDB, Elasticsearch, PostgreSQL, Grafana, Mapstruct, Lombok, Spring Wolf, AsyncAPI.
- ING BankFullstack Javascript & JAVA DeveloperBANKING AND INSURANCEApril 2019 - March 2022 (2 years and 11 months)Developer within a team managing cross-functional features for the ING Retail customer area:
- Two-factor authentication (PSD2)
- Secret code modification, mail sending, operation categorization..
- Summary page
- Anti-malware
Technologies: Java 8, Java EE, Spring, Kafka, AngularJS - Zurich Insurance - UKDevOpsBANKING AND INSURANCEFebruary 2018 - January 2019 (11 months)
- Migration of Oracle technologies (Oracle WebSphere, Oracle 12c, Oracle Service Bus) to SQL Server, Apache Tomcat
- Replace the two API Gateways made with OSB by two custom-built tools based on Java and Palmyra
- Replace WebSphere's SSO technology with Java and Spring Security
- Dockerization of applications
Technologies: Java, Spring Security, Docker, API Gateway (Palmyra Framework), REST, SOAP, SSO, Linux RedHat, Alpine Linux, Windows Server, SQL Server 2014, Oracle 12c, Tomcat 8.5
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Education
- National Engineering Diploma in Computer ScienceNational Engineering School of Tunis2017
- Applied Bachelor's DegreeHigher Institute of Computer Science2014Systèmes Informatiques et logiciels
Certifications
- Professional Scrum Master™ I (PSM I)Scrum.org2025
- Oracle Certified Professional: Java SE 11 DeveloperOracle2021