Sfoglia categorie
Esplora
Fiverr Pro
Italiano
$
USD
Belli
@bilalbelli452
Programmer , Software Engineer
Francia
Inglese, Francese, Arabo, Spagnolo
Chi sono
TLDR: Check reviews ! :) portfolio: bilalbelli.eu 👈
I’m an experienced Software Engineer (with diploma) and Developer (not a vibe coder ! i understand and i can do everything) specializing in Python, Java, Javascript, Typescript, and modern Web technologies (Angular, Spring Boot, Node.js, Flask, Wordpress, Bootstrap, Next.js, Electron.js), and I also provide tutoring and mentoring in programming and computer science topics.
I hold a strong Computer Science background, with solid experience in software development, backend & frontend engineering, machine learning and applied problem-solving.
Competenze
Belli
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Correzione di bug
I will fix software bugs, code errors and technical troubleshooting
Applicazioni web full stack
I will develop a java spring boot web application and rest API
Portfolio
Esperienza lavorativa
Java Developer - OpenFX / Library System
Upwork • Freelance
Dec 2025 - Present • 9 mos
Worked as a Java Developer on a Library System (OpenFX), building scalable backend services for real-time FX data processing and transaction handling. Implemented REST APIs, Spring Boot microservices, and PostgreSQL databases, optimizing latency, throughput, and data consistency for high-frequency workflows. Delivered secure, maintainable, and high-performance backend systems, supporting frontend dashboards, reporting tools, and automated financial workflows.
Full Stack Web Developer - Java Spring Boot / Angular / gRPC / RESTful
Carlsberg Group • Full time
Dec 2024 - Dec 2025 • 1 yr
I worked as a web developer and Java Developer on a project focused on building high-performance, scalable backend systems and API architectures for enterprise and SaaS microservices-based applications. In this role, I specialized in Java, Spring Boot, REST APIs, gRPC, and Protobuf, with a strong focus on backend performance optimization and efficient data serialization. As a web developer and Java Backend Developer, I migrated Spring Boot microservices, converting REST/JSON APIs to gRPC with Protobuf to improve loading time. I collaborated with Angular frontend teams, refactored API contracts and DTOs, and integrated secure, efficient backend services designed to handle high load and real-world production environments. I implemented performance testing, load testing, and regression testing, achieving measurable results such as up to 82% improvement in application load time. I also produced technical documentation using Confluence, migration guides.
Software Engineer - Reverse Engineering & Cybersecurity - R&D
Security First IT • Full time
Dec 2023 - Dec 2024 • 1 yr
(Collaboration with Pradeo) - Development of a tool for detecting malicious behavior in iOS applications from binary code. The results at the end : - Design and development of a decompiler for iOS application binary files. - Development of algorithms for inter- and intra-function static analysis. - Writing of a scientific article updating the state-of-the-art of malware detection methods.
