Diane NGAKO
AWS Solutions Architect
Salary / Daily rate
Paris, France
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
AWS Solutions Architect with 4+ years expertise in financial services and cloud migration projects. Led hybrid architecture designs for major banks, optimized 20+ Java REST APIs, and automated critical financial processes using Spring Batch and Kafka. Specialized in enterprise modernization and regulatory-compliant cloud solutions.
Work experience
Sopra Steria
Apr 2023 - Present
3 years 7 months
Technical Advisor
Apr 2024 - Present
2 years 7 months
Context: Supporting four major financial institutions in their application upgrade projects (Sopra’s financial product) and/or cloud migration, collaborating closely with R&D teams and business stakeholders to ensure alignment between technical solutions and business needs. Responsibilities & Actions: - Led technical scoping and co-designed hybrid (on-premise + AWS) application architectures tailored to client operational and regulatory constraints. - Authored detailed technical & functional specifications to industrialize complex financial processes and support automation initiatives. - Validated and optimized 20+ Java REST APIs, covering error handling, business use cases, and database traceability. - Acted as API integration referent, providing guidance to project teams and ensuring compliance with security and data protection standards (GDPR). - Facilitated regular client engagement (2+ meetings/week, 5+ workshops/month) and served as a key liaison with R&D to advocate for client needs and influence product roadmap.
Software Engineer
Apr 2023 - May 2024
1 year 2 months
Context: Project for a major investment bank aimed at automating critical financial processes to reduce repetitive tasks, minimize manual errors, and enable real-time data updates. Tasks and Actions: - Developed Java batch processes (Spring Batch) to automate the management of over 100 users of Sopra’s financial product, significantly reducing manual errors and improving operational efficiency. - Implemented Apache Kafka listeners to ensure real-time synchronization of real estate asset valuations with the central repository, enhancing system responsiveness and data accuracy. - Delivered technical documentation and provided functional demonstrations to Business Analysts to facilitate user adoption of the new features.
Java Developer
Bouygues Telecom
Feb 2023 - May 2023
4 months
Meudon, France
Context: Contributed to a large-scale IT system modernization project, aiming to replace an obsolete legacy customer repository (Java 6) with a more scalable architecture built on microservices and REST APIs. Tasks and Actions: - Participated in the technical migration of the legacy customer system, redesigning the architecture using modern technologies (Java, Spring, REST APIs). - Contributed to the implementation of REST APIs to structure data access within the new system.
Software Engineer
Sopra Banking Software
Mar 2022 - Oct 2022
8 months
Boston, MA, USA
Context: Final-year internship within the development team of Sopra's core banking product, focused on the integration of major U.S. banking clients. The objective was to automate system integrations, reduce manual tasks, and ensure the maintenance of a complex production application. Tasks and Actions: - Designed and implemented a Java REST API to connect the client application to two external systems, facilitating process integration and reducing manual effort. - Wrote detailed technical documentation on the API’s development, deployment, and production rollout, enabling the 5-person team to build technical autonomy. -Took ownership of a complex banking application, performing technical troubleshooting and maintenance, in close collaboration with consultants through weekly meetings.
Agile Developer
Société Générale
Sep 2020 - Jan 2021
5 months
92800 Puteaux, France
Context: Internship conducted during the COVID pandemic, aimed at automating access rights management, enhancing the security and traceability of structural risk calculations, and orchestrating financial computations within a complex banking environment. Tasks and Actions: - Designed and implemented a Java REST API for auditing financial calculation requests, including 3 endpoints to trace the initiator, URI, and request parameters, as well as to enable log downloads. - Set up a data pipeline using Airflow to automate the daily financial risk calculation process, ensuring smooth and secure execution. - Built a Java REST API to manage access rights to system components, both locally and remotely, improving security and simplifying user access management.
Education
EPITA: Ecole d'Ingénieurs en Informatique
Diplôme d'ingénieur
2019 - 2022
4 years
UVSQ Université de Versailles Saint-Quentin-en-Yvelines
Licence
2016 - 2019
4 years
Licenses & certifications
AWS Certified Solutions Architect – Associate
Issued: Mar 2025
Portfolio
