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Riadh Souissi

@riadhsouissi

Senior React Native developer at Bliggit GmbH who delivered a Stadtsparkasse Wuppertal loyalty app serving tens of thousands.

Germany

Message

At Bliggit GmbH, I led development of the Treuewelt Wuppertal mobile app, a loyalty and discount portal for Stadtsparkasse Wuppertal serving tens of thousands of bank customers. I integrated Apple Pay and PayPal and improved average screen load time by about 30%.

At RRI (external at E.ON), I contributed to an enterprise React and TypeScript device-management platform, co-authored its reference architecture, and built form-table components for the core workflow. I recently completed a certified Data Engineering Programme at neue fische / SPICED Academy, covering Python, SQL, Spark, Airflow, dbt, and AWS.

Experience

Work history, roles, and key accomplishments

Senior Software Developer

Bliggit GmbH

Jul 2024 - Jan 2026 (1 year 6 months)

Led development of the Treuewelt Wuppertal mobile app, a loyalty and discount portal for Stadtsparkasse Wuppertal. Integrated Apple Pay and PayPal, refactored core architecture, and improved performance and stability.

React Native Expo Apple Pay PayPal PayOne Sentry GitLab CI CD EAS Performance Optimization Lazy Loading Navigation

Senior Full Stack Developer

Kühne+Nagel

Nov 2023 - Apr 2024 (5 months)

Contributed to myKN, the customer-facing web platform for one of the world's largest logistics companies. Delivered features in a Vue.js/TypeScript frontend and authored internal testing guidelines using Cypress.

Vue.Js TypeScript Cypress Java Spring Framework Agile Fullstack Development

Senior Software Developer

Adesso SE

Jan 2023 - Jul 2023 (6 months)

Contracted to improve code quality and architecture of a desktop app built in Angular and Electron. Identified security vulnerabilities, introduced immutable patterns, and improved form reactivity.

Angular Electron Security Immutable Programming Performance Optimization

Software Developer

RRI

Feb 2020 - Dec 2022 (2 years 10 months)

Three-year engagement on an enterprise React/TypeScript device-management platform for E.ON. Co-authored reference architecture, built complex form-table components, and wrote extensive test suites.

React TypeScript Cypress Robot Framework Jest React Testing Library Mentorship

Fullstack React / Node.js Developer

Licht & Schatten

Jul 2018 - Jan 2020 (1 year 6 months)

Architected and delivered multiple MERN-stack web and mobile apps end-to-end, from database design to custom React component library. Built a data-collection platform for advertising campaigns.

React NodeJS MongoDB Express REST APIs Mobile Development

Freelance Web / Frontend Developer

Self-employed

Jul 2017 - Jun 2018 (11 months)

Delivered interactive web experiences using Three.js, WebGL/GLSL shaders, GSAP animations, and CSS3, including a 3D product portfolio with custom mouse interactions.

ThreeJS WebGL GLSL GSAP CSS Web Development

Education

Degrees, certifications, and relevant coursework

neue fische / SPICED Academy

Data Engineering Programme, Data Engineering

2026 - 2026

Completed an intensive Data Engineering Programme covering Python, SQL, Docker, Airflow, dbt, Spark, Kafka, and AWS, with a capstone project and AWS Certified Data Engineer – Associate exam preparation.