Back End Developer Jobs in Tunisia

<p>Within the framework of scaling its software development activities in Tunisia, Questel is strengthening its Data as a Service (DaaS) team. This team is responsible for the integration and reconciliation of external data flows related to intellectual property on our platforms. The main objective is to build a unique data repository intended to feed our patent search engine, ranked among the world leaders in the field.</p><p>Your daily life within the team:</p><p>Within an Agile (Scrum) team and in close collaboration with Data Engineers and the Operations team, located in France and Tunisia, your missions will be to:</p><ul><li><strong>Design and Propel:</strong> Develop and optimize robust data pipeline architectures (ETL) in Java and Spark, capable of processing massive volumes.</li><li><strong>Expose Data:</strong> Participate in the design and evolution of scalable REST APIs and Web Services for our SaaS solutions.</li><li><strong>Ensure Performance:</strong> Master and optimize our SQL queries against major data volumes (over 25 databases, several million records per database).</li><li><strong>Ensure Quality:</strong> Automate tests (unit, integration), participate in code reviews, and prepare continuous deployment (CI/CD) for the Ops team.</li><li><strong>Support Production:</strong> Participate in the operational maintenance (MCO) and continuous improvement of our components.</li></ul><p>The technical environment:</p><ul><li><strong>Back-End:</strong> Java (8+), Spring Boot, Python</li><li><strong>Data &amp; Search:</strong> Spark 3, Elasticsearch, Jupyter</li><li><strong>Storage:</strong> MySQL, MariaDB (Significant volume, multi-threading)</li><li><strong>DevOps &amp; Tools:</strong> Git, GitLab CI, Maven, Docker, Jira</li></ul><p><strong>Desired Candidate Profile</strong></p><p>You have at least 5 years of experience in Back-End Java development in environments with high data volumes. Multi-threading and SQL performance optimization hold no secrets for you. You are recognized for your rigor (Clean Code), your autonomy, and your ability to solve complex problems.</p><p>The little extra:</p><p>You already have experience with Spark, Elasticsearch, or containerization (Docker).</p>

<h2 class="h5">Job description</h2> <div class="t-break" data-jb-field="description"> <p><b>Job Description:</b></p><br><p><b>Essential Job Functions:</b><br><span>• Design, develop, and maintain high-performance asynchronous Python APIs using FastAPI, Pydantic, and SQLAlchemy 2.0.</span><br><span>• Lead PostgreSQL database design activities, including schema modeling, migrations, and query optimization to ensure scalability and reliability.</span><br><span>• Implement and enhance secure authentication and authorization frameworks, including RBAC, OAuth2/OIDC, JWT validation, and API gateway policies.</span><br><span>• Define and govern API standards, including contract design, versioning strategies, and integration best practices across distributed systems.</span><br><span>• Build, deploy, and maintain AI agents using reusable vibecoding templates and blueprint-based development frameworks.</span><br><span>• Configure agent-to-tool integrations through MCP protocols, manage LLM routing strategies, and support AI-driven solution delivery.</span><br><span>• Collaborate with cross-functional teams to deliver secure, scalable, and innovative backend and AI-powered solutions.</span><br><b>Basic Qualifications:</b><br><span>• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent combination of education and experience.</span><br><span>• Typically, 5+ years of professional experience developing backend applications with Python and modern web frameworks.</span><br><span>• Strong expertise in asynchronous Python development, FastAPI (or equivalent frameworks), and modern API design principles.</span><br><span>• Proven experience with PostgreSQL, including schema design, indexing, partitioning, migrations, and performance tuning.</span><br><span>• Hands-on experience implementing OAuth2, OpenID Connect (OIDC), JWT authentication, and integration with enterprise identity providers such as Microsoft Entra ID (Azure AD).</span><br><span>• Experience working with API gateway platforms such as Kong, Apigee, or similar technologies.</span><br><span>• Familiarity with Docker, Kubernetes fundamentals, and CI/CD pipeline implementation.</span><br><span>• Working knowledge of Large Language Model (LLM) APIs, prompt engineering techniques, and agent orchestration concepts.</span><br><b>Other Qualifications:</b><br><span>• Experience with AI agent frameworks, workflow automation, and MCP-based integrations is a plus.</span><br><span>• Knowledge of cloud-native architectures and modern distributed systems is preferred.</span><br><span>• Strong analytical, problem-solving, and communication skills.</span><br><span>• Demonstrated ability to learn emerging technologies and apply them in innovative business solutions.</span><br><span>• Relevant certifications in cloud technologies, DevOps, cybersecurity, or AI/ML are a plus.</span></p><br><p><span>At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.</span></p><br><p><b><span>Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf.&nbsp;More information on employment scams is available</span></b>&nbsp;<span>here</span><span><b><i>.</i></b></span></p><br> </div>

<h2 class="h5">Job description</h2> <div class="t-break" data-jb-field="description"> <span>Job Summary We are looking for a Senior Backend Developer with strong experience in Node.<br>js, microservices, Camunda workflows, and enterprise integrations .<br> The candidate should have strong development and production troubleshooting/problem-solving skills , with the ability to investigate complex issues across microservices, workflows, messaging systems, APIs, and databases.<br> Develop and maintain backend services and microservices using Node.<br>js / TypeScript .<br> Develop and support REST/GraphQL APIs and system integrations.<br> Develop, maintain, and troubleshoot Camunda workflows , preferably Camunda.<br> Investigate failed or stuck workflows, workers, incidents, and process execution issues.<br> Develop and troubleshoot messaging integrations using RabbitMQ and Azure Service Bus .<br> Investigate production issues across APIs, microservices, workflows, queues, databases, and external integrations.<br> Perform root-cause analysis and implement permanent technical solutions.<br> Work with Git/GitLab , including branching, merging, cherry-pick, rebase, conflict resolution, and release/hotfix activities.<br> Understand and troubleshoot existing Java/Spring Boot services.<br> Participate in code reviews, deployments, production support, and critical incident resolution.<br> Collaborate with DevOps, Infrastructure, QA, Integration, and other technical teams handling Oracle structural databases</span> </div>

<p>Essential Job Functions: Design, develop, and maintain high-performance asynchronous Python APIs using FastAPI, Pydantic, and SQLAlchemy 2.0. Lead PostgreSQL database design activities, including schema modeling, migrations, and query optimization to ensure scalability and reliability. Implement and enhance secure authentication and authorization frameworks, including RBAC, OAuth2/OIDC, JWT validation, and API gateway policies. Define and govern API standards, including contract design, versioning strategies, and integration best practices across distributed systems. Build, deploy, and maintain AI agents using reusable vibecoding templates and blueprint-based development frameworks. Configure agent-to-tool integrations through MCP protocols, manage LLM routing strategies, and support AI-driven solution delivery. Collaborate with cross-functional teams to deliver secure, scalable, and innovative backend and AI-powered solutions.</p><p><strong>Desired Candidate Profile</strong></p><p>Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent combination of education and experience. Typically, 5+ years of professional experience developing backend applications with Python and modern web frameworks. Strong expertise in asynchronous Python development, FastAPI (or equivalent frameworks), and modern API design principles. Proven experience with PostgreSQL, including schema design, indexing, partitioning, migrations, and performance tuning. Hands-on experience implementing OAuth2, OpenID Connect (OIDC), JWT authentication, and integration with enterprise identity providers such as Microsoft Entra ID (Azure AD). Experience working with API gateway platforms such as Kong, Apigee, or similar technologies. Familiarity with Docker, Kubernetes fundamentals, and CI/CD pipeline implementation. Working knowledge of Large Language Model (LLM) APIs, prompt engineering techniques, and agent orchestration concepts.</p><p>Experience with AI agent frameworks, workflow automation, and MCP-based integrations is a plus. Knowledge of cloud-native architectures and modern distributed systems is preferred. Strong analytical, problem-solving, and communication skills. Demonstrated ability to learn emerging technologies and apply them in innovative business solutions. Relevant certifications in cloud technologies, DevOps, cybersecurity, or AI/ML are a plus.</p>