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Bousnina AchrafBA

Bousnina Achraf

Tech Lead & Software Architect

€290/day
Tunis, TN
8-15 years

Average response time: 1 hour

About Bousnina

Tech Lead & Software Architect with 10+ years of experience designing and delivering scalable SaaS platforms and
microservices architectures.
Deep expertise in the JavaScript/TypeScript ecosystem (NestJS, Next.js, Angular, Node.js) and cloud-native platforms (AWS, GCP). Proven leader in cross-functional teams, driving coding standards, DevSecOps culture, and end-to-end technical ownership from architecture design to production delivery.
  • Arabic

    Native or bilingual

  • English

    Conversational

  • French

    Conversational

Remote only
Primarily works remotely

Experience

  • Freelance
    Tech Lead & Software Architect
    DIGITAL AND IT
    July 2023 - Today (3 years and 1 month)
    Tunis, Tunisia
    • • Lead technical strategy and architecture across multiple client engagements (startups to established companies), delivering 3+ SaaS platforms including DeepSocial (AI-powered social media analytics), each with distinct business domains, constraints, and scalability requirements.
    • • Design and implement distributed microservices ecosystems using NestJS, API Gateway patterns, and modern frontend frameworks (Angular, Next.js – recent adoption), ensuring maintainability and performance.
    • • Drive end-to-end technical leadership: system design, architectural decisions, coding standards, PR reviews, and secure software delivery across diverse project contexts.
    • • Adapt architecture and stack choices based on project needs (monolith vs microservices, event driven vs request-based), balancing cost, complexity, and time-to-market.
    • • Coordinate cross-functional teams (frontend, backend, DevOps), lead Agile/Scrum ceremonies, and proactively resolve technical and organizational blockers.
    • • Collaborate with AI/Data teams to productionize ML features (data contracts, inference APIs, asynchronous pipelines, result processing).
    • • Architect and manage multi-database systems (PostgreSQL, MongoDB, DynamoDB) using TypeORM and Mongoose, depending on use cases and data models.
    • • Build and optimize cloud-native and serverless solutions on Amazon Web Services and Google Cloud Platform (Lambda, API Gateway), focusing on scalability, cost-efficiency, and observability (CloudWatch, X-Ray).
    • • Design and oversee CI/CD pipelines (GitLab/GitHub), enabling automated testing, secure deployments, and faster release cycles.
    • • Mentor and coach 5+ developers (junior to mid-level), and lead technical workshops on backend architecture, testing strategies, and scalable system design.
    Stack: NestJS Next.js (Recent) | Angular | Express | TypeORM | PostgreSQL | MongoDB | DynamoDB AWS GCP | Kafka | Docker | GitLab
    NestJs Node.js DevOps IT Architecture Angular
  • SOFRECOM
    Technical Lead Node.js
    DIGITAL AND IT
    September 2022 - June 2023 (9 months)
    Tunis, Tunisia
    • • Led backend architecture of PAPRIKA (API authorization & protection platform), designing scalable and secure services using Node.js.
    • • Unblocked critical technical challenges, accelerating delivery timelines and reducing bottlenecks across the team.
    • • Introduced DevSecOps practices and improved CI/CD pipelines (GitLab, Docker), enhancing deployment reliability and security posture.
    • • Delivered internal workshops on TDD and DevSecOps, increasing team adoption of testing and secure coding practices.
    • • Mentored developers and enforced code quality standards, improving maintainability and reducing defect rates.
    Stack: Node.js Docker | SonarQube | DevSecOps | TDD
    Node.js DevOps OAuth OIDC Angular
  • SOFRECOM
    Software Engineer
    March 2021 - September 2022 (1 year and 6 months)
    Tunis, Tunisia
    • • Contributed to SMARTGIDF (IaaS SaaS platform) serving Orange clients across France, Spain, Belgium, and MEA, improving system stability and feature delivery.
    • • Developed a real-time security dashboard analyzing system components and detecting vulnerabilities, increasing visibility on platform security risks.
    • • Built internal tools for automation and customer journey visualization, reducing manual processes and improving operational efficiency.
    • • Participated in CI/CD and DevOps workflows using Jenkins and GitLab, contributing to faster and more reliable releases.
    • • Mentored interns and conducted technical interviews for JavaScript/TypeScript roles.
    Stack: Angular | Node.js | | MySQL | Redis |

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Education

  • AWS Solutions Architect - Associate (SAA-C03)
    2024
    AWS Solutions Architect - Associate (SAA-C03)
  • Professional Scrum Master (PSM I)
    2023
    Professional Scrum Master (PSM I)

Skill set

Categories