Stélio Simbine
Developer
Lisboa
Summary
I am a passionate and dedicated OutSystems Developer with over four years of experience in designing, developing, and maintaining robust web applications. My expertise lies in full-stack development, with a strong focus on OutSystems, SQL, JavaScript, HTML, and CSS. I have a proven track record of delivering high-quality solutions for clients in various industries, including finance, healthcare, and insurance. Throughout my career, I have successfully managed complex projects, from requirement analysis and database implementation to API integration and user interface design. I am adept at working in Agile and Kanban environments, collaborating with cross-functional teams to meet client needs and deliver projects on time. I hold multiple OutSystems certifications, including Associate Reactive Developer, Associate ODC Developer and Outsystems Architecture Specialist, and I am currently pursuing a Master's degree in IT engineering with a specialization in Cloud Computing. My goal is to continue growing as a developer, leveraging my technical skills and knowledge to create innovative solutions that drive business success.
Overview
13
13
years of professional experience
6
6
Certifications
2
2
Languages
Work History
Developer
Capgemini
03.2022 - Current
- Development of a new vehicle rental system for individuals and businesses. In addition to this, I was actively involved in the corrective maintenance of production systems and the evolutionary maintenance of various critical systems in the banking sector, ensuring their continuous improvement and operational efficiency.
- Identified, analyzed, and resolved bugs and issues in production systems to maintain stability and performance
- Participated in client meetings to gather requirements, clarify expectations, and align deliverables
- Developed and implemented functional requirements to enhance system capabilities
- Performed functional testing to ensure the reliability and correctness of new features and fixes
- Designed and implemented database structures according to project specifications and business needs
- Conducted code refactoring and applied best practices to improve system maintainability and performance
- Maintained detailed documentation to ensure knowledge transfer and long-term system sustainability
- Developed and integrated REST APIs to enable seamless communication between different systems
- Created deployment plans for migrating changes from the development environment to QA
- Wrote and optimized SQL queries for updating and maintaining production databases
- Implemented BDD (Behavior-Driven Development) and TDD (Test-Driven Development) testing strategies to ensure code reliability, maintainability, and alignment with business requirements.
- Performed sprint-end demos for clients to showcase deliverables and gather feedback.
- Used OutSystems AI Mentor and Discovery tools to ensure code quality, best practices, and solid architecture.
- Continuously updated skills through training courses, workshops, and self-study—staying current on industry trends and emerging technologies.
- Technologies: OutSystems 11 (Traditional and Reactive), SQL, CSS, JavaScript, HTML, REST, BPT, Jira, Confluence, ServiceNow, Taiga
Software Consultant
CGI
09.2020 - 02.2022
- PPL NextGen Programme: Full-stack development of new and complex features optimised for multi-channel use to support improved digital collaboration and negotiation around a risk. These new features will allow complex negotiations to take place, meaning that it is the meeting point of brokers and underwriters. Whilst all parties are committed to the London market;
- Development of complex flows;
- Develop and expose REST API’s in OutSystems;
- Consume and integration of Azure Function App API’s in OutSystems;
- Development of responsive screens using OutSystems v11 Reactive;
- Style guides implementation and refactoring;
- Integration with other COTS – MS Teams, Nuxeo, ElementAI, Azure AD, PowerBI;
- Database Implementation according to the defined requirements and architecture;
- Development of BDD Framework tests for automation regression packs;
- Architecture Dashboard and Discovery Tool:
- Analysis of the 3-layer canvas;
- Analysis of architecture;
- Correction of findings.
- Creation and update technical documentation;
- Methodology used: Scaled Agile;
Outsystems Developer
CSA
10.2021 - 02.2022
- Client: CSA
- Canadian company that operates in the standards development and certification sector. It establishes quality and safety standards in various areas, such as electrical equipment, construction materials, environmental protection and occupational health and safety. Additionally, it provides certifications to ensure that products and systems meet technical and regulatory requirements.
- Worked on a project focused on implementing new features to enhance the efficiency of CSA Group's critical systems, following Agile Scrum methodology to ensure iterative development and continuous improvement. Key responsibilities included:
- Development of new features
- Bug and data correction
- Unitary tests
- Documentation
- Requirements analysis
- Technologies: Jira, OutSystems, SQL, HTML, CSS, JavaScript
- Methodology: Agile Scrum
Junior outsystems consultant
ITUP- We Rump You Up
09.2019 - 04.2020
- Client: Luz Saúde
- Integration of various healthcare facilities and clinical, financial, administrative, and employee management systems to ensure seamless communication and data flow between different platforms. The project utilized Microsoft BizTalk for orchestration and inbound processing, with OutSystems for application development and Oracle as the database.
- Responsibilities:
- Incident resolution, ensuring system stability and quick issue resolution
- Database updates to maintain accurate and consistent data across integrated systems
- System configuration to align with business and operational requirements
- Testing to validate integrations and ensure functional reliability
- SOAP API integrations, enabling secure data exchange between different healthcare systems
- Refactoring .NET extensions, optimizing performance and maintainability
- Documentation, ensuring clear and comprehensive records of system changes and integrations
- Technologies: OutSystems 10, Oracle, Azure DevOps, C#, SOAP Web Services
- Methodology: Agile Scrum
- Business or Sector Human health and social work activities
Outsystems Associate Web Developer
ITUP-We Rump You UP
07.2019 - 09.2019
- -Html, CSS, Javascript, SQL.
- -Algorithm;
- -Outsystems 1;
- -Travel management project for employees of a company in outsystems;
- -Family budget management project in outsystems.
Computer Systems Technician
Intituto de Transportes e Comunicações
01.2013 - 01.2017
Computer technician
Tecnologia Hospitalar e Labolatorial , THL
09.2015 - 12.2015
- -Computer maintenance;
- -Help Desk;
- -Assembly and maintenance of network infrastructure.
Education
Master's Degree - IT engineering specialization in cloud computing
Istec
09-2026
Degree - Computer Engineering
Universidade Lusofona de Humanidades e Tecnologia
07.2020
Skills
Programming
Certification
Associate ODC Developer Outsystems
Timeline
Outsystems Sales Associate
05-2025
Mendix Rapid Developer Certification
01-2025
Associate ODC Developer Outsystems
12-2024
Outsystems Architecture Specialist Outsystems
10-2024
Associate Reactive Developer (OutSystems 11) Outsystems
12-2023
Developer
Capgemini
03.2022 - Current
Outsystems Developer
CSA
10.2021 - 02.2022
Software Consultant
CGI
09.2020 - 02.2022
Junior outsystems consultant
ITUP- We Rump You Up
09.2019 - 04.2020
Outsystems Asociate Developer
09-2019
Outsystems Associate Web Developer
ITUP-We Rump You UP
07.2019 - 09.2019
Computer technician
Tecnologia Hospitalar e Labolatorial , THL
09.2015 - 12.2015
Computer Systems Technician
Intituto de Transportes e Comunicações
01.2013 - 01.2017
Degree - Computer Engineering
Universidade Lusofona de Humanidades e Tecnologia
Master's Degree - IT engineering specialization in cloud computing
Istec