
Houssam EL Mansouri
Senior FullStack Java Developer | Microservices
Salary / Daily rate
Lisbon, Portugal
Freelance
Remote only
Skills
Languages
About me
Intro
FullStack Java Developer with 4+ years creating scalable microservices and enterprise applications. Led teams building crypto investment apps with 30% user satisfaction boost and e-learning platforms serving 25K+ users. Expert in Spring Boot, React/Angular, Docker, Kubernetes, and cloud architecture delivering measurable business impact.
Work experience
FullStack Java Developer
ITDS
Mar 2023 - Present
3 years 8 months
Lisbon, Portugal
• Implemented batch scripts to automate repetitive tasks, resulting in a 50% increase in team productivity and saving over 20 hours per month. • Modernized and upgraded existing projects by implementing Angular and Spring technologies, leading to a 20% reduction in maintenance efforts and increased scalability for future growth. • Debugged and resolved software issues, resulting in a 30% decrease in customer support tickets and increased customer satisfaction by ensuring smooth functionality. • Designed and developed Microservices architecture using Spring Cloud, Docker, Kubernetes, Apache Kafka and AWS, enabling seamless scalability, improved fault isolation, and accelerated deployment cycles. • Architected the application using modular and orchestrated application deployment across 4 environments using Kubernetes. • Implemented decoupled deployment strategy using Platform-as-a-Service (PaaS) to separately deploy and manage frontend and Backend components. • Utilized Oracle 19 with SQL Loader and Liquibase for database management and version control
FullStack Java Developer (volunteer)
Zero Emissions World
Jan 2024 - Dec 2024
1 year
• Led development of an enterprise-level donation tracking microservice application that allows donors to monitor their contributions, driving $20K in annual donations by leveraging the latest technologies including Java 17, Spring Cloud, Apache Kafka, MongoDB, MySQL and React.
FullStack Java Developer
QuixSolution
Feb 2022 - Mar 2023
1 year 2 months
• Led a team of 5 developers to build a crypto investment app, boosting user satisfaction by 30% and retention by 20%, enhancing revenue. • Modernized legacy Swing-based medical applications by implementing 8 key feature enhancements using JavaFX, resulting in a 30% surge in user engagement and a notable 20% reduction in error rates. • Architected and designing four Frontend projects implementing React.js, HTML, Redux, and CSS. Integrated projects seamlessly with APIs. • Developed and designed a multi-tenancy N-tier application with mobile and web interfaces using Java, React, HTML/CSS, Spring Boot, MySQL, and RabbitMQ, supporting concurrent access for multiple client organizations with robust data isolation. • Engineered healthcare-focused microservice application utilizing Spring Cloud, AWS, Angular, Docker, and Jenkins, implementing CI/CD Using Docker, Jenkins.
FullStack Java Developer
CSKA Automation Services Pvt Ltd
Jan 2021 - Jan 2022
1 year 1 month
Delhi, India
Invented Python-based desktop applications to extract specific keywords from PDF files, achieving a remarkable 95% success rate and revolutionizing data retrieval accuracy and productivity by 45%. • Optimized a high-traffic API web app by implementing Redis caching solutions, significantly reducing HTTP response time and improving scalability, earning acclaim from clients and management. • Enhanced web application performance by implementing JavaScript minification and compression techniques alongside client-side ensuring seamless user experience while reducing page load times and improving responsiveness, resulting in client satisfaction. • Developed and deployed an e-learning platform using Spring Framework for the backend and HTML/CSS/Bootstrap for responsive UI, while utilizing AWS S3 buckets for content delivery, providing interactive software development lessons to 25,000+ junior engineers, accelerating their learning curve and significantly improving coding proficiency.
Java Developer
Freelancer.com
Jan 2021 - Oct 2021
10 months
• Developed Auberge (hotel) management systems using Spring Framework, JSP, HTML, CSS, Bootstrap, JavaScript, and jQuery, implementing features such as reservation management, guest profiles, room inventory, and financial reporting. • Created a full-featured Grocery application with inventory tracking, order processing, and customer management modules, managing the entire development lifecycle from requirements gathering to deployment while implementing responsive interfaces and secure authentication.
Education
Ecole Sagim D'informatique Et Gestion
Master's degree
2019 - 2024
5 years 4 months
ESMA
High School Diploma
2013 - 2018
5 years 4 months
Lycee Moulay Ismail
Baccalaureat
2010 - 2013
2 years 11 months