Available to hire
Hi, I’m Saiefeddine Miladi. I am a passionate software engineer with extensive experience leading development teams and architecting scalable, secure cloud-based applications. I’ve worked on a range of projects from healthcare software to restaurant management platforms, always aiming to create maintainable and efficient systems.
I enjoy collaborating with cross-functional teams and constantly improving workflows and architectures. Outside of work, I love hiking, camping, farming, and playing volleyball. I’m always eager to learn new technologies and take on challenging projects.
Skills
Language
Arabic
Fluent
English
Advanced
French
Advanced
German
Advanced
Work Experience
Lead Software Engineer at Lizardis
February 28, 2025 - July 10, 2025Managed the internal development team ensuring efficient project execution. Acted as software architect taking ownership of system design and technical decisions in collaboration with stakeholders and customers. Designed and implemented cloud architecture on AWS for frontend and backend services, ensuring scalability, security, and high availability. Deployed frontend as static web app using Amazon S3, CloudFront, Route 53, and ACM. Deployed backend services with AWS ECS Fargate using API Gateway and Application Load Balancer inside secure VPC. Prepared Docker images for containerized deployment and orchestrated via ECS Fargate. Developed backend microservices with Node.js (Express, NestJS with TypeScript) and Python for modular, scalable architecture. Designed and optimized SQL (PostgreSQL) and NoSQL (MongoDB, DynamoDB) data storage solutions. Ensured seamless communication between microservices using RESTful APIs and message queues. Developed frontend architecture using React with re
Senior Software Engineer at Molecular Health
February 28, 2023 - July 10, 2025Contributed to development of GUIDE, software for cancer treatment decision-making, implementing and refining clinical trial data analysis algorithms. Improved CI/CD pipeline by converting Jenkins pipelines to declarative syntax for readability, maintainability, and scalability. Collaborated in cross-functional squad to define and implement testing strategies focusing on unit and integration tests using Jest, Jasmine, and Mocha. Developed microservices using Node.js with NestJS and Express in SAP XSA environment supporting scalable modular architecture. Optimized complex SQL queries in SAP HANA using rewriting, indexing, analytical views, and plan analysis enhancing performance and responsiveness. Developed frontend components with SAP UI5 and React. Participated in Business Integrator project providing invoicing platform integrating patient and financial data using React with Material UI, NestJS backend, PostgreSQL, SAP HANA integration, Docker containerization, and cron jobs for auto
Software Engineer at Gastromatic
February 28, 2020 - July 10, 2025Developed new features and enhanced functionalities for web and mobile platforms streamlining restaurant management such as scheduling, time tracking, payroll, and communication. Implemented features spanning absence, account management, evaluation, and planning using Express.js, AngularJS, and ReactJS. Used Mongoose and Breeze for MongoDB data manipulation. Collaborated in legacy codebase refactor and transitioned development environment to improve maintainability and testability. Migrated AngularJS components to React while maintaining ongoing feature delivery.
Lead Software Engineer at Lizardis
February 1, 2025 - July 10, 2025Managed the internal team of developers and acted as the software architect, leading system design and technical decision-making. Designed and implemented cloud architecture for deploying services and frontend on AWS, ensuring scalability, security, and high availability. Deployed frontend as a static web application using Amazon S3 and CloudFront. Used AWS ECS Fargate for backend services with API Gateway and Application Load Balancer in a secure VPC. Prepared Docker images for containerized deployment. Developed backend services using Node.js (Express, NestJS with TypeScript) and Python using a modular microservices architecture. Designed data storage solutions using SQL (PostgreSQL) and NoSQL (MongoDB, DynamoDB). Ensured seamless microservices communication via RESTful APIs and message queues. Structured frontend architecture with React and implemented state management using Redux Toolkit.
Senior Software Engineer at Molecular Health
February 1, 2023 - July 10, 2025Contributed to the development of cancer treatment decision-making software (GUIDE) by refining algorithms for clinical trial data analysis. Improved CI/CD by transitioning Jenkins pipelines to declarative syntax for better maintainability. Collaborated with cross-functional teams to define testing strategies using JavaScript tools like Jest, Jasmine, and Mocha. Developed microservices using Node.js with NestJS and Express within SAP XSA environment. Optimized SQL queries in SAP HANA to enhance performance. Implemented frontend components using SAP UI5 and React. Part of a 5-developer squad implementing an invoicing platform integrating patient and financial data, using React with Material UI, NestJS, PostgreSQL, SAP HANA, Docker, and cron jobs.
Software Engineer at Gastromatic
February 1, 2020 - July 10, 2025Developed new features and enhancements for web/mobile platforms optimizing restaurant management including scheduling, payroll, and communication. Implemented features for absence management, account management, evaluation, and planning using Express.js, AngularJS, and ReactJS. Used Mongoose and Breeze for MongoDB data manipulation. Collaborated on refactoring legacy codebase to improve testability and maintainability. Migrated AngularJS components to React while maintaining ongoing feature delivery.
Education
Master's at Esprit School of Engineering and Technology, Tunis
September 1, 2013 - June 30, 2018Diplome of Preparatory School of engineering at IPEIN, Nabeul
September 1, 2010 - June 30, 2013High School Diploma at High School ElHawaria, El Haouaria
September 1, 2006 - June 30, 2010Master's at Esprit School of Engineering and Technology, Tunis
September 1, 2013 - June 30, 2018Diplome of Preparatory School of engineering at IPEIN, Nabeul
September 1, 2010 - June 30, 2013High School Diploma at High School ElHawaria, El Haouaria
September 1, 2006 - June 30, 2010Qualifications
Industry Experience
Software & Internet, Healthcare, Life Sciences, Media & Entertainment, Consumer Goods
Skills
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