01. About
I’m a Lead Software Engineer focused on building and evolving scalable, high-performance systems. I specialize in turning complex, legacy architectures into clean, cloud-native solutions that are resilient, maintainable, and built to scale.
I operate at both code and architecture level—designing distributed systems, driving critical technical decisions, and setting engineering standards. With a strong fullstack background, I’ve delivered data-intensive platforms, microservices architectures, and production systems that handle real-world complexity.
I started coding at 15 and have since developed a deep expertise across technologies and system design. Today, I bring that experience into leadership—mentoring engineers, raising the bar for quality, and consistently delivering impactful, production-grade software.
02. Professional skills
Programming languages
Frameworks & CMS
Databases
Mobile Development
Other
Other Technologies: Micronaut, Azure, AWS, Google Cloud, Docker, ElasticSearch, REST APIs, Jenkins, Kubernetes.
Methodologies & Design: UML, Scrum
Testing: JUnit, Jest, Jasmine, ChaiJS, Enzyme, Vue test-utils
Tools: GIT (Github, Bitbucket, Azure Devops...), JetBrains IDEs, Jira, Confluence, Slack, MS Teams
Languages:
Arabic (Native), English (C1), French (C2), German (A2)
03. Professional Experiences
Codexo e.U.
Company developing professional websites and web applications for small businesses in Austria and Europe. From first website to custom digital solutions — supporting launch, growth, and long-term operation of online presence. Based in Vienna.
RESPONSIBILITIES
- Founded and lead the company; develop corporate websites, landing pages, and custom web applications.
- Deliver projects in structured phases with clear timelines; handle release, hosting, deployment, monitoring, and maintenance.
- Integrate AI & automation where needed (e.g. chat widgets, lead qualification, reminders, content pipelines).
- Tech stack: Java, Spring Boot, PHP, Vue.js, React, Angular, Node.js / NestJS, Nuxt.js, Next.js, AWS, Electron, MySQL, PostgreSQL, MongoDB, Docker.
SQUER Solutions
SQUER shapes the future of engineering for enterprises. We help companies reach their digital goals by solving complex problems with technology — in a holistic and agile way. Our services include system design and architecture, software and agile transformation, product delivery, cloud infrastructure, platform engineering, and AI & data engineering. We work across industries (from finance and insurance to retail) and build efficient software solutions and tailored architectures for organizations of all sizes.
RESPONSIBILITIES
- Insurance Legacy Application Modernization (05/2024 - Present)
- Modernization of a legacy application for a leading Austrian insurance group into a modern, microservices-based solution.
- Designed the architecture and implemented using Java, Spring Boot, Angular; enhanced scalability, maintainability, and performance.
- Technologies: Microservices, Java, Spring Boot, Angular, DB2, JavaScript, TypeScript.
- Pharmaceutical Legacy Application Modernization (02/2024 - 05/2024)
- Developed a Microfrontend-based application for a global healthcare client.
- Managed filling-station workflows; delivered modular, scalable, and domain-specific features.
- Technologies: Angular, SingleSPA, JavaScript, TypeScript, HTML, CSS.
Ringana GmbH
RINGANA GmbH is an Austria-based company specializing in fresh, vegan skincare products and natural food supplements. With over 400 employees and a global network of 70,000+ partners, RINGANA blends innovation and sustainability. I supported this by developing and enhancing internal and external digital platforms as part of the Software Development team.
RESPONSIBILITIES
- Led complex frontend project, designed the architecture, and developed a modular and extendable platform, composed of custom CRM, Administration and Management Modules based on customizable dashboards (Vue, Quasar, Single SPA).
- Developed a micro-frontend application and created custom NPM libraries, including a custom Vue component library and translation and monitoring library, ensuring consistent maintenance and timely releases.
- Implemented new backend features based on a microservices architecture using Nest; integrated various internal and external third-party APIs in relation to Ringana applications.
- Developed external tools for sales management for Ringana Partners; maintained core functionalities and new designs for the Ringana web shop.
- Deployed and released features within the company's agile framework using Git, Docker, Azure and Atlassian tools.
Veamly Inc
A San Francisco-based startup with offices in Tunis, Tunisia, focused on building an AI-powered unified feed that aggregates communication from various tools into a single, streamlined interface—enabling users to view, manage, and act on messages from multiple sources in one place.
RESPONSIBILITIES
- Designed, developed, and deployed microservices to enhance the Veamly platform using Java, Spring Boot and Micronaut.
- Led front-end design and development using React and Angular.
- Engineered the desktop application using Electron; integrated various external APIs including Slack, Intercom, and Atlassian.
- Established a streamlined process for continuous integration and delivery (CI/CD); implemented comprehensive unit and integration tests for backend and frontend.
- Designed a cohesive model to represent conversations across different applications.
04. Personal & Academic Projects
DATA COLLECTION & PREDICTION
Led development of a platform for data collection and advanced analytics with predictive capabilities.
WEB & MOBILE COORDINATION SOLUTION
Developed a web platform and cross-platform mobile app for field operations and coordination.
ANDROID APP
Built an Android mobile application for online retail with product management, cart, and secure payments.
CROSS-PLATFORM COLLABORATION
Designed and delivered a cross-platform corporate intranet (web, desktop, and mobile) for internal collaboration.
05. Education
ESPRIT – Private Higher School of Engineering and Technology, Tunisia
Thesis: Microservices-Based Enhancement of a SaaS Platform: Veamly as a Case Study. The degrees of ESPRIT in Computer Science and Telecommunications are accredited EUR-ACE.
Higher Institute of Applied Sciences and Technology - Sousse, Tunisia
Preparatory cycle (Mathematics, Physics, Computer Science).
Bourguiba Secondary School, Hammam El Ghzez, Tunisia
06. Personal Interests & Hobbies
- •IEEE Tunisia Section Young Professionals Treasurer (2020–2022), Student Branches Coordinator (2018–2020)
- •First Prize for Best Fintech Solution Finastra Hackathon, 2019
- •First Prize in the Mobile App category (MShop) Web4Innovation Mobile Dev Challenge, Tunis, Tunisia 2017
- •IEEE ESPRIT CS Chapter & IAS Chapter Chair / Vice-Chair (2018–2019)
- •IEEE ESPRIT Student Branch Founding Member (2017)
- •Scientific council ISSAT Sousse Student representative (2015–2016)
- •Association of environmental and cultural acts in Kélibia ACEK Active Member (2013–2018)
- 🚴 Biking·
- 🎣 Fishing·
- 📚 Writing·
- 🎸 Guitarist·
- 🎬 Amateur filmmaker
07. Recommendations
I had the pleasure of working with Salim for more than two years, and I can confidently say he is an exceptional software and web developer. He has a diverse skill set and tackles projects with impressive proficiency. What truly stands out is his can-do attitude. Salim thrives in a collaborative environment, readily supporting team members and consistently finding solutions to challenges. His problem-solving skills are outstanding, and his commitment to delivering results makes him a valuable asset to any team.
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Based in Vienna, Austria