Full Stack Developer

Criativo Devs

Internet & IT

< 10 team member

Freelance Application Developer
Key Projects:
• Online Sales Platform Developer
Developed and deployed an online sales platform with payment gateway
integrations (e.g., Stripe, PayPal) and API connections to other sales platforms. The platform was deployed on various web hosting services such as
Railway.app, Vercel.com, and PythonAnywhere.com.
• Web and Mobile Application Development
Created web and mobile apps tailored to client specifications. These
apps included e-commerce features, user authentication, and real-time
communication tools. Led end-to-end development, from ideation to
deployment, ensuring cross-platform compatibility (iOS/Android).
• Video Platform (Project)
Designed a video-sharing platform featuring user uploads, streaming
capabilities, and user interaction features such as comments and likes. While
frozen, this project demonstrates proficiency in multimedia handling and cloud
storage solutions.
• AI Chatbot (Project)
Built an AI-driven chatbot for customer service and engagement, utilizing
natural language processing (NLP) models to provide a dynamic user
experience. This project highlights experience in AI integrations and real-time
responses for a smoother customer experience.
• Video Call and Messaging App (Project)
Developed a mobile-first video call and text messaging app, with real-time
chat and video functionalities optimized for both Android and iOS. This project
focused on low-latency communication, user management, and secure
messaging protocols.

Full stack Developer

Natixis in Portugal

Banking & Financial Services

5000-10.000 team member

As a Full stask developer, I am responsible for maintaining and improving both

internal and external services, ensuring their stability and performance. My

role includes analyzing and resolving issues, implementing optimizations, and

ensuring seamless integration with existing systems.

Additionally, I develop new features and functionalities for internal and external

applications, tailoring solutions to meet business needs and enhance user

experience. I also design and implement new tools to optimize workflows and

improve efficiency across different departments.

My responsibilities further include identifying, troubleshooting, and fixing bugs,

as well as conducting rigorous testing to ensure the reliability, security, and

efficiency of our applications.

I primarily work with Python, React, and AngularJS, leveraging these

technologies to build scalable, maintainable, and high-performance

applications.

Full stack Developer

Bsurance

Insurance

10-50 team member

Insurance Sales Platform Developer
Key Projects:
• Insurance Sales API Development
Developed and maintained a robust API integration between the insurance
company’s clients and the company itself, streamlining the sales process
step by step. This included handling complex data flows and ensuring secure
transactions.
• Feature Development for Insurance Products
Built and maintained several embedded features for various insurance
products, ensuring a seamless and efficient sales process for users.
• Insurance Sales Management Platform Contributed as part of a team to develop a comprehensive platform for
managing insurance sales, customer data, and partner information. This
platform provided a centralized system for tracking and managing sales
performance.
• Report Generation System Integration
Integrated the system with Carbone.io, enabling the generation of dynamic
reports in multiple formats, including PDF, DOCX, XLSX, PPTX, and ODS.
This improved reporting flexibility and customization for clients.
• Agile Development (SCRUM)
Led and participated in sprint planning, task assignment, and prioritization
using SCRUM methodologies to ensure timely and efficient project delivery.
• Code Review and Unit Testing
Reviewed code from teammates, providing detailed feedback and ensuring
that all changes adhered to the project’s quality standards. Created and
implemented unit tests for new code, ensuring stability and reliability.

Full stack Developer

Critical TechWorks

Automotive & Vehicle Manufacturing

500-1000 team member

Sales Management System Developer
Key Projects:
• Internal Sales Management System Maintenance
Contributed to the ongoing maintenance and enhancement of an internal sales
management system, working with a team to ensure smooth operation and
feature updates using React JS.
• BMW Sales Management System Frontend Redesign
Played a critical role in rebuilding the frontend of BMW’s sales management
system from scratch, transitioning from the legacy system to a modern Angular
JS framework. This project improved usability and performance for comparing
sales internally and among competitors.
• Agile Development (SCRUM)
Participated in sprint and task planning, ensuring alignment with project goals
and timelines using SCRUM methodologies.
• Code Review and Quality Assurance
Reviewed code contributions from team members, providing constructive
feedback and ensuring all code adhered to best practices and project
standards before approval.
• Unit Testing for Frontend Implementations
Developed unit tests for every new code implementation to maintain code
quality and ensure functionality across the entire system.

Python Developer

Onfido

Other

500-1000 team member

Document ETL Developer
Key Projects:
• Data Extraction, Transformation, and Loading (ETL) for Document
Verification
Collaborated with a team to build an ETL process aimed at training a machine
learning system to differentiate between official and fake documents. This
involved collecting, cleaning, and structuring large datasets from multiple
sources for the machine learning model to analyze.
• Custom Pipeline Development
Designed and implemented custom pipelines for data extraction, using
advanced parsing techniques to analyze document metadata, structure,
and content. The process involved OCR (Optical Character Recognition)
for scanning physical documents and natural language processing (NLP) to
interpret text patterns that differentiate official from fake documents.
• Unit Testing for Pipeline Implementations
Created and maintained unit tests for each custom pipeline, ensuring that
data extraction processes operated reliably and could handle edge cases,
improving the accuracy and performance of the document verification system.

Junior Full-stack Developer

Bluespix Interactive Solucion LDA

Other

10-50 team member

Online Sports Betting Platform Developer
Key Projects:
• Server Health Monitoring System
Developed a health monitoring system to ensure the platform’s servers were
performing optimally. The system automatically detected server slowdowns
or crashes and alerted administrators via email. If there was no response, an escalation alert was sent via SMS and WhatsApp, ensuring timely responses
to critical server issues.
• Technology Stack Maintenance
Played a key role in maintaining and updating the platform’s technology
stack, ensuring that all systems were up-to-date with the latest versions for
performance improvements and security compliance.
• Game Library Development
Contributed to the development of an interactive library of online games,
including Slot Machine and Roulette. This involved implementing game logic
and optimizing the gaming experience for users across the platform.

Fullstack Developer

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Full Stack Developer

Full stack Developer

Full stack Developer

Full stack Developer

Python Developer

Junior Full-stack Developer

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