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I am a software developer with 17 years of experience, using technologies such as: Delphi, PHP, Postgres, Firebird, GiT, SVN. I've also worked with Dataflex, Visual DataFlex and PowerBuilder, but in the last 10 years, I've been more focused on the technologies of Embarcadero Delphi (7, 10.x), in particular, development of API Rest application servers with technologies such as Datasnap and TMS Aurelius (ORM). Of these projects, 15 years of management were for projects in the management area public, in particular: Accounting, Tax, Legal (Attorneys). I also worked on parallel projects, in the areas of industry and business. Competence in managing the software development cycle, identification of need or scope, survey requirements, software architecture, diagram design streams(Bpmn), code, application testing and documentation technique. In recent years, I have been working especially with software integration using RestFull tecnology

I build and fix the integrations that make SAP Business One talk to everything else — reliably, with an audit trail, and without breaking production. 15+ years in enterprise systems, specialized in SAP Business One integration: Service Layer (REST), DI-API, data replication, and fiscal/tax integrations. If your SAP B1 needs to sync with a web app, an e-commerce platform, a payment system, a data warehouse, or a custom internal tool — that's the problem I solve. I don't just wire endpoints together. I architect integrations that hold up in production: idempotent operations, retry logic, audit trails, and clean separation between SAP and the rest of your stack. The difference shows up six months later, when the integration is still running and nobody's firefighting it. What I do: - SAP B1 integrations via Service Layer REST API and DI-API - Integration architecture — designing the middleware between SAP B1 and your systems: API contracts, data consistency, failure handling - Real-time and batch data replication between SAP B1 and external systems - Custom middleware and APIs (Python/FastAPI, Node.js/TypeScript) sitting between SAP and your stack - Fiscal/tax integration workflows - AI-assisted automation on top of ERP data (RAG, agent workflows over enterprise systems) How I work: I'm built for async. My written communication is precise and detailed, I document as I go, and I deliver in clear increments you can review on your own time — no dependency on live calls to keep a project moving. Most of my work runs across time zones with clients I rarely meet live. Stack: SAP B1 (Service Layer, DI-API, HANA) · Python/FastAPI · TypeScript/Node.js/Next.js · PostgreSQL · Docker · Kafka/RabbitMQ · REST/SOAP APIs Security is not an afterthought: I hold an MBA in Cybersecurity and work as a Data Protection Officer, so compliance and access governance are part of how I design, not a patch at the end. Tell me what your SAP B1 needs to connect to, and I'll tell you exactly how I'd approach it.

I have been passionate about technology since childhood and have been working in the field for 8 years. Throughout this time, I have focused on two key areas: ✓ Full-Stack Development (WordPress & Backend Solutions) – I create and optimize WordPress websites, develop custom themes and plugins, and build robust backend systems using modern frameworks. ✓ Cold Email Infrastructure & Deliverability – I help businesses set up and maintain reliable email infrastructures, ensuring high deliverability rates and compliance with best practices for cold outreach. My academic background includes projects in machine learning, data analysis, and software engineering, further strengthening my ability to deliver efficient and innovative solutions. Technical Skills: • Backend Development: Java (Spring Boot), Python, PHP, TypeScript, Node.js • Frontend Development: WordPress, React, Angular, HTML, CSS, JavaScript • Databases: SQL, PostgreSQL, MariaDB, MongoDB • WordPress & Hosting: Custom Themes, Plugins, WHM/cPanel Management • APIs & Cloud: RESTful APIs, API Integration, Server Management I am always eager to take on new challenges and help businesses achieve their goals with efficient, scalable, and innovative solutions. Let’s work together to bring your ideas to life! 🚀

⚗️🚀 The maker and the scaler. I'm 13+ years System Architect and Developer with focus on scalable Agile products. My most successful projects were a combination of two mindsets: a client, the maker, and me, the scaler, working in tandem. A maker is a talented user that develops his ideas in an artisanal way end-to-end. It can be a mockup, a spreadsheet, a NoCode tool or AI. He can leverage instantaneous feedback, validate features, solve problems at end-user level, and make demonstrations to clients and investors. A scaler takes care of the amplification effect, the bad decisions that multiply the costs when scale. In the Agile methodology, there is not enough time to plan long term, so he must rely on his experience to spot a bad idea and avoid it. It is not much different from cinema where the director deals with the creative side and the producer deals with the analytical side of it. === TOGETHER is better than ALONE. If you're a maker, send me a message for 30% off on my technical hour (from U$ 50 to U$ 35) for milestone-based projects, or U$ 25 for hourly-based projects. === In my experience, scale is not only necessary to support a certain number of users and make the business plan's ends meet. When it doesn't scale well, you need to add components to your infrastructure that can introduce complexity and bugs, increasing the unplanned work, often called technical debt. OpenSource scales very well in throughput and is so simple to be maintained. That's why I like to own the scale end-to-end instead of having a product manager, a frontend developer, a backend developer, a devops and a QA separated as commodities. Understanding the whole process let me decide the best solution for the overall scale without a lot of meetings, documentations, and conflicts. Conversely, I empower the maker to also own what doesn't require scale by providing data export and import mechanisms, so he can do end-user development (EUD) and continue the experiments of new features. Plus, because I know the feature in detail in advance, I can provide estimates of how long it will take to productize, so he can decide when to scale or not each feature. What technologies do I work with? I'm happy to solve most of the Small and Medium Business challenges using OpenSource technologies. PostgreSQL is for sure what I know more in depth, and combining it with Apache HTTP, KeyCloak, Linux and Apache Camel I can scale your digital transformation. I have solid knowledge about SQL, PL/pgSQL, mod_lua and Bash. I also can decently program in C, Java, PHP, Python, JavaScript, HTML, CSS and XML/XSLT.

- Professional with 20+ years experience - Specialized in database administration and software architecture - Addicted to application performance tuning - Oracle Certified Professional (Database version 12c) - Databases: Oracle, MySQL, MongoDB, PostgreSQL, Redis, Elasticsearch - Programming languages: Python, C#, Java, PHP - Cloud services: Amazon Web Services (AWS), MongoDB Atlas, Digital Ocean - Service monitoring: New Relic, Grafana, ELK stack - Bs in Computer Science, MBA in Project Management - Fluent in Portuguese, advanced English, intermediate Spanish

🏅 Huawei ICT Competition Winner & 5+ years Full Stack Developer Cold Email Outreach & Automation Expert - SPF, DKIM, DMARC, SMTP, Python, BREVO, Mailchimp, Selenium Currently involved in the following projects: - Spore.fun: A leading AI and crypto project. (You can do google) - Solana Snipe + AMM Bot: Successfully generating over $10k. - XRP Ledger (Ripple): Enthusiast and supporter." Blockchain guru with a strong background in web development, specializing in cutting-edge techniques that merge AI and cryptocurrency. Passionate about exploring innovative solutions in the evolving tech landscape. Major stacks: ETH, SOL, XRP, DEFI, AMM, BOT, ICO, MERN, FASTAPI, OTHER JAVASCRIPT STACKS & WEB Have extensive experience in Shopify. - Liquid - Javascript - HTML - CSS - PHP