Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Boubaker Seddik Jouini, a Senior Frontend Engineer focused on React and Next.js. I design scalable SaaS and fintech frontends that are fast, secure, and easy to use. I thrive in cross-functional Agile teams and bring a results-driven, ownership-minded mindset to every project. I'm driven by a passion for building high-performance web apps, leading UI architecture, and delivering AI-powered features such as real-time dashboards and RBAC security. With 4+ years of hands-on experience, I collaborate closely with designers and backend engineers to turn ideas into polished frontends that empower users and businesses.…I'm Boubaker Seddik Jouini, a Senior Frontend Engineer focused on React and Next.js. I design scalable SaaS and fintech frontends that are fast, secure, and easy to use. I thrive in cross-functional Agile teams and bring a results-driven, ownership-minded mindset to every project. I'm driven by a passion for building high-performance web apps, leading UI architecture, and delivering AI-powered features such as real-time dashboards and RBAC security. With 4+ years of hands-on experience, I collaborate closely with designers and backend engineers to turn ideas into polished frontends that empower users and businesses.

Boubaker Seddik Jouini

Front-End Developer, Web Developer, UI Designer, +3





I'm Boubaker Seddik Jouini, a Senior Frontend Engineer focused on React and Next.js. I design scalable SaaS and fintech frontends that are fast, secure, and easy to use. I thrive in cross-functional Agile teams and bring a results-driven, ownership-minded mindset to every project. I'm driven by a passion for building high-performance web apps, leading UI architecture, and delivering AI-powered features such as real-time dashboards and RBAC security. With 4+ years of hands-on experience, I collaborate closely with designers and backend engineers to turn ideas into polished frontends that empower users and businesses.…I'm Boubaker Seddik Jouini, a Senior Frontend Engineer focused on React and Next.js. I design scalable SaaS and fintech frontends that are fast, secure, and easy to use. I thrive in cross-functional Agile teams and bring a results-driven, ownership-minded mindset to every project. I'm driven by a passion for building high-performance web apps, leading UI architecture, and delivering AI-powered features such as real-time dashboards and RBAC security. With 4+ years of hands-on experience, I collaborate closely with designers and backend engineers to turn ideas into polished frontends that empower users and businesses.

Available to hire

I’m Boubaker Seddik Jouini, a Senior Frontend Engineer focused on React and Next.js. I design scalable SaaS and fintech frontends that are fast, secure, and easy to use. I thrive in cross-functional Agile teams and bring a results-driven, ownership-minded mindset to every project.

I’m driven by a passion for building high-performance web apps, leading UI architecture, and delivering AI-powered features such as real-time dashboards and RBAC security. With 4+ years of hands-on experience, I collaborate closely with designers and backend engineers to turn ideas into polished frontends that empower users and businesses.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

French

Advanced

English

Advanced

Arabic

Fluent

Work Experience

Senior Frontend Engineer at Watad

June 1, 2024 - Present

Developed and maintained a large-scale SaaS platform serving multi-role users (admin, suppliers, contractors). Improved frontend performance by ~30% via code splitting, memoization, and React Query caching. Implemented secure authentication & RBAC, reducing unauthorized access incidents by 100%. Optimized web app load time, achieving <2s First Contentful Paint on key pages. Built scalable frontend architecture supporting 10k+ active users/month. Strengthened data security and session handling in line with SaaS best practices. Spearheaded a real-time monitoring dashboard using React.js, Next.js, and TypeScript to provide stakeholders with actionable insights on user engagement metrics daily, enabling data-driven decisions.

Frontend Engineer at Watad Riyadh

June 1, 2024 - Present

Development and optimization of a web app SaaS for financial and document management; authentication, authorization, secure data handling; performance and coding best practices.

Lead Frontend Engineer at VALOS IT

May 1, 2023 - June 1, 2024

Led frontend development in a client-focused, delivery-driven environment for AI-powered applications. Collaborated closely with designers and backend teams, demonstrating strong cross-functional collaboration and stakeholder communication. Integrated Speech-to-Text (STT) and Text-to-Speech (TTS) features, improving user engagement by ~40%. Designed and delivered AI-driven UI workflows, reducing manual user actions by ~35%. Built reusable UI components, reducing feature development time by ~25%. Ensured high code quality through unit testing, achieving 80%+ test coverage. Coordinated frontend deliverables across design, backend, and product teams. Championed frontend development for a large-scale SaaS platform, implementing key features across diverse user roles while maintaining 80%+ unit test coverage. Acted as a solution-oriented engineer resolving complex RBAC and security challenges across multiple user roles.

Lead Front End Engineer at VALOS IT

May 1, 2023 - Present

Creation and implementation of different UI and server-side rendering on behalf of clients; unit testing and best practices; project management.

Lead Frontend Engineer at Pyra

June 1, 2022 - March 1, 2023

Designed scalable fintech interfaces for financial data with accuracy and performance. Took ownership of CI/CD and GitOps processes, contributing to continuous delivery improvements and reducing deployment time by ~50%. Implemented real-time market data visualizations, improving data readability and decision-making speed. Optimized frontend architecture to handle large financial datasets (100k+ rows) efficiently. Automated frontend testing pipelines, lowering regression issues by 30%.

Lead Front End Engineer at Pyra

June 1, 2022 - March 1, 2023

Responsible for design and functionalities of a platform for managing equity portfolios; led GitOps and Scrum practices; performed unit and end-to-end testing; technologies included React.js, Tailwind, Redux, React Query, Chart.js, Papaparse.

Frontend Engineer at Move JS/Redpelicans

February 1, 2022 - July 1, 2023

Built SEO-friendly SSR applications focused on performance and maintainability, improving organic traffic by +20%. Collaborated closely with multidisciplinary teams, demonstrating strong teamwork and attention to detail. Optimized frontend performance, reducing page load time by ~35%. Developed data-driven UIs using D3 for advanced visualizations. Applied functional frontend architecture principles to improve maintainability and scalability. Deployed automated frontend testing pipelines with GitLab CI across three critical software modules, reducing manual testing efforts by 30%.

Auditor at Tunisian Confederation of Junior Enterprises

September 1, 2020 - June 1, 2021

Auditor for the Tunisian Confederation of Junior Enterprises; governance and compliance activities within the network.

Vice-President at Inceptum Junior Enterprise

July 1, 2019 - July 1, 2020

Leadership role overseeing activities and operations within the junior enterprise.

Vice-President of Communication at ESPRIT

September 1, 2017 - June 1, 2018

Led communications initiatives and outreach for ESPRIT student organization.