
David Soares
Rust Developer / Flutter Developer
1 recommendation
Salary / Daily rate
1 person recommend
Freelance
Remote only
Skills
Languages
Work experience
Software Engineer (Rust / Flutter)
FreelanceFreelance
May 2022 - Present
4 years 6 months
Remote
I specialize in Rust for back-end development and Flutter for front-end development. I can have a 360° vision over a project because I can operate on both the frond-end and back-end if necessary. I also have in-depth cyber-security knowledge thanks to my past experiences.
Founder
MangaNotif
Jul 2025 - Present
1 year 4 months
Remote
Early stage solo-startup I work on in parallel with freelancing with the little spare time I have Back-end (Rust), Scraping Agent (Rust), Mobile App (Flutter)
Rust/Flutter Tech Lead
CardenFreelance
Dec 2024 - Sep 2026
1 year 10 months
Remote
• Refactored the notification infrastructure (Push & SMS) to make it more reliable • Improved user experience and fixed bugs in the Flutter B2B app • Synchronized the in-app calendar with Planity • Enhanced security of the Rust API • Designed a dynamic payment system using Stripe Connect, enabling B2B client to precisely customize their payment flow • Increased performance of the Postgres database
Flutter Lead Dev
Be Ys Trusted SolutionsFreelance
Oct 2022 - Mar 2024
1 year 6 months
Clermont-Ferrand, France
• Built an MVP in a couple months and maintained it with a very small team (2 devs) • Implemented a native Kotlin/Swift plugin in Flutter • Built another MVP in a couple months when management decided to rebrand • Taught Flutter to a small team of React Native devs and oversaw their work • Synchronized the front-end team with the project's architect and the back-end teams • Worked as part of an international team across multiple timezones
Cybersecurity Consultant
Cykrony
Apr 2021 - May 2022
1 year 2 months
Remote
• Carried out security audits on clients' infrastructure or applications (web, active directory, code, mobile) • Handled monthly phishing campaigns against employees of client companies • Built and administered the phishing and mailing servers • Built a SIEM using the ELK Stack (Elastic, Log Stash, Kibana) on Kubernetes. The goal was to offer a turnkey SIEM service to small businesses that didn’t have the necessary budget to set up the infrastructure
Intern Pentester
Conix
Jun 2020 - Aug 2020
3 months
Remote
Learnt the job of a pentester with a senior consultant. Discovered mobile applications audits
Project Work Student
Robert Gordon University
Apr 2018 - Jun 2018
3 months
Aberdeen, UK
Created a Web-based CTF used to teach cybersecurity to Robert Gordon University's students during their curriculum. The project won RGU's "Best Project Work" that year
Education
lSIMA, Clermont-Ferrand
Master of Engineering - MEng, Computer Science
2018 - 2021
2 years 8 months
Network & security specialization
University Institute of Technology, Clermont-Ferrand
Two-year university degree in technology, Computer Science
2016 - 2018
1 year 11 months
Albert-Londres school complex
High-School Diploma in sciences, Sciences
2012 - 2016
3 years 11 months
Licenses & certifications
Offensive Security Certified Professional (OSCP)
Issued: Dec 2021
Hacking & Sécurité : Avancé
Issued: Sep 2019
Hacking & Sécurité : Fondamentaux
Issued: Jul 2019
Social Engineering & Contres-Mesures
Issued: Jun 2019
MOOC SecNumAcadémie
Issued: Feb 2019
Portfolio

Finance App

Fitness App

Android CTF
