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Othmane SaifeddineOS

Othmane Saifeddine

Senior Java Developer | Spring Boot | Angular

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Othmane

🔹Senior Fullstack Developer (7+ years of experience),I support companies in the Banking, Insurance, and Finance sectors in the design, development, and modernization of their strategic applications.

My expertise lies in implementing robust, performant, and easily scalable microservices architectures withJava/Spring Cloud**, combined with the creation of modern front-end interfaces using **Angularthat offer a fluid and intuitive user experience.

🎯 What I bring to you:

A pragmatic, results-oriented approach focused on code quality, with a strong emphasis on performance, security, and maintainability.

Solid experience in the complex and regulated environments of the financial sector.

An ability to work synergistically with business and technical teams to ensure project success, from scoping to production.

💡 What sets me apart:

A dual backend/frontend skill set enabling a global and coherent vision of solutions.

A strong software architecture culture (microservices, Hexagonal architecture, REST API, CI/CD, cloud-ready).

A constant focus on industrializing and optimizing development processes.

🚀Types of projects I typically work on:

Design and development of critical business applications.

Migration of monolithic architectures to Spring Cloud microservices.

Redesign or modernization of Angular front-ends.

Implementation of CI/CD pipelines and DevOps support.

Strengthening technical teams on high-value-added projects.

My goal: to help you deliver performant, scalable solutions perfectly aligned with your business challenges.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • BPCE
    Senior Software Engineer Java
    BANKING AND INSURANCE
    October 2023 - Today (2 years and 8 months)
    Charenton-le-Pont, France
    In a cross-functional team, I worked on several microservices developed in Java/Spring Boot, including:

    _Improved security and access management for all front-office applications by implementing a Spring Security solution.

    _Referencing of third parties and verification of their data using several certified resources.

    OpenShift Java JMS Spring Boot XLDeploy
  • Iqera
    Software Engineer - Technical Lead JAVA / ANGULAR
    BANKING AND INSURANCE
    March 2021 - September 2023 (2 years and 6 months)
    Paris, France
    Key developer on several strategic back-office applications, ensuring their reliability, performance, and continuous evolution.

    Financial Flow Optimization:Design and maintenance of robust solutions for cash flow management (SEPA transfers, card payments, checks, etc.), with automated data distribution to accounting and operational entities.

    Litigation Fee Management:Development of calculation and tracking modules for fees based on customer invoices, ensuring seamless integration with accounting systems.

    Cross-functional Role:Key liaison between technical, accounting, and business teams to ensure functional consistency and data quality.
    Java Jenkins Angular TypeScript
  • BNP-Paribas
    Software Engineer – JAVA / ANGULAR
    BANKING AND INSURANCE
    October 2019 - February 2021 (1 year and 4 months)
    Paris, France
    Improvement of the tool for calculating the amortization of premiums, discounts, and capital gains/losses on a bond portfolio. This redesign allows users to simplify the creation of their balance sheet and extract key performance indicators (KPIs) to optimize their portfolio management.
    Java Angular Spring Boot Docker SQL

Recommendations

Fadia JebaliFJ
Ezzat MahmoudEM
Fadia Jebali and 1 other person have recommended Othmane

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Education

  • Master 2 Machine Learning for Data Science - University
    Paris Descartes
    2019
    Master 2 Machine Learning for data science-Université
  • State Engineering Diploma in Computer Science, Software Engineering specialization
    ENSIAS
    2018
    Diplôme d'Ingénieur d'Etat en Informatique, filière Génie Logiciel

Certifications

  • Professional Scrum Developer I
    Scrum
    2020
    Architecture TDD Quality Documentation Organization Scrum Testing
  • IBM Big Data Developer Mastery Award Certificate
    IBM
    2018
    Hive Hadoop Cassandra Big Data Spark NoSQL MapReduce Python SQL

Skill set

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