About Ayman
English
Native or bilingual
French
Native or bilingual
Arabic
Native or bilingual
Experience
- Tunisian Company of Automation,Full-Stack Engineer, FreelanceDecember 2021 - Today (4 years and 8 months)• • Solo-designed and shipped a live smart-home platform, iOS/Android app (Flutter), Angular admin dashboard, and Node.js/AdonisJS backend, now used by hundreds of users across thousands of deployed IoT devices (live on the App Store and Google Play).• • Built real-time device control and monitoring over MQTT and WebSockets; packaged the backend in Docker forrepeatable, scalable deployment.• • Implemented Google Sign-In, Apple Sign-In, and custom JWT authentication, plus Google Home integration for voice-controlled automation and routines.• • Developed the company website and an admin panel for device and user management, owning the full stack from UI to API to deployment.
- Amazon Web Services (AWS),Cloud Support Engineer (Developer & Mobile Services)February 2025 - April 2026 (1 year and 2 months)Dublin, Ireland• • Diagnosed and resolved complex production issues for global customers across Amplify, Lambda, DynamoDB, SQS, SNS, and Amazon Connect, supporting English- and French-speaking markets.• • Improved reliability of event-driven and serverless architectures by root-causing delivery failures and resolving dead-letter-queue and IAM permission issues.• • Helped customers build and troubleshoot full-stack/serverless apps (Amplify, GraphQL/REST, CI/CD); wrotePython and JavaScript Lambda functions to reproduce and resolve cases.• • Maintained strong customer satisfaction (CSAT) across a high case volume; collaborated with AWS service teams to escalate bugs and validate fixes.
- FIS Global,Software EngineerNovember 2022 - October 2024 (1 year and 11 months)Ariana, Tunisia• • Built and optimized Java/Spring Boot systems for financial data processing, handling files of up to hundreds of thousands of records with high accuracy and reliability.• • Architected configurable parsers for multiple formats (CSV, XML, and others) and built a streaming, multi-threaded pipeline that increased parsing and insertion speed by 2-3x.• • Developed new REST APIs and optimized existing ones for ~30% faster responses; tuned SQL queries for faster financial-data retrieval.• • Worked full-stack, added features to the client-facing Angular dashboard alongside backend work, owning features end-to-end within a team of 8.• • Raised code quality via SonarQube-guided test coverage and improved logging to cut ambiguity in production issues.
Recommendations
Be the first to recommend Ayman
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- AWS Certified Solutions Architect2028AWS Certified Solutions Architect
- B.Eng. inNational School of Computer Science (ENSI)2022B.Eng. in