Available to hire
I am a Senior Software Developer and Consultant with over 20 years of experience partnering with global clients such as Microsoft, UBS, BNP Paribas, and NHS. I specialise in backend development, system architecture, and delivering scalable software solutions using Microsoft and cross-platform technologies, cloud infrastructures, and Agile methodologies. I lead projects and teams through the full software lifecycle, focusing on performance, reliability, and quality. I enjoy mentoring others and applying Test-Driven Development, Continuous Integration, and modern design patterns to solve complex problems.
Language
English
Fluent
Portuguese
Fluent
French
Fluent
Spanish; Castilian
Fluent
Work Experience
Senior Backend & System Developer at Texecom
July 1, 2025 - PresentDesigning and delivering a secure remote-connectivity and device-management suite for Texecom security products (cameras, doorbells, panels). Built a cross-platform agent (command-line tool), a Windows tray app, and a background service with live health, log tailing, and zero-downtime configuration updates. Implemented MQTT/TLS messaging with resilient reconnects and a TCP↔MQTT bridge for low-latency tunnelling, IP-range binding, audit logging, and guardrails such as rate limiting and allow-listing. Introduced a host-based architecture with DI and structured logging, added service introspection (installed/running, CPU%, memory), and produced Windows/Linux service installers and operations guides. Drove reliability through unit/integration tests and optimized async I/O paths for high-throughput scenarios. Working with the entire .NET stack – Visual Studio 2022, .NET 10, C#, WinForms, Microsoft.Extensions.Hosting, Windows Services & systemd, MQTTnet, TCP sockets, JSON, xUnit, GitHub
Senior Backend Software Developer at Hitachi – HICSE
January 1, 2024 - January 31, 2025Led development of a real-time signalling system for the National Rail. Backend REST services in C# and C++ on Linux, using VS Code, CMake, GoogleTest, PostgreSQL, MQTT, and GitLab. Focus on safety-critical data processing and high reliability.
Owner and Senior Developer/Architect at WoW-Mania.com
January 1, 2015 - PresentOwner and main developer of a game and website; designed and implemented end-to-end architecture from domain to deployment, including infrastructure, security, database, frontend, game features, and anti-cheat live analysis and reporting. Managed a team of 10 (3 developers, 3 testers, 4 game masters).
Senior Backend Software Developer at netcall (contract)
November 1, 2022 - October 31, 2023Senior developer for messaging solutions company. Built a distributed micro-services architecture (REST APIs) with Docker and Terraform for provisioning and deployment on Linux, using AWS EC2, ECR, ECS, RDB, Lambda, MySQL. RabbitMQ as message broker. Adopted Test Driven Development.
Senior Backend Software Developer at Drest Ltd. – London, UK
November 1, 2020 - November 30, 2022Lead developer for a mobile gaming company. Developed a distributed system of micro-services (REST APIs) with Docker and Terraform on AWS (EC2 and Lambda) and Couchbase; Kafka as message broker; GraphQL; maintained API and TD practices.
Senior Software Developer at Adsensa – Newbury, UK
April 1, 2013 - December 31, 2016Lead developer for data mining and extraction. Built computation-heavy processes to read/match image documents against a large database of forms; developed an REST API integration platform and a robust testing framework for APIs.
Senior Software Developer / Technical Consultant at BNP Paribas – London, UK (contract)
September 1, 2010 - April 30, 2013FX Options Front-to-Back team; implemented trade capture and data representation; maintained plugins for front-office pricing app; designed a lightweight, generic XML-based report protocol used by downstream reporting services.
Senior Systems Developer / Technical Consultant at Navtech Radars – Wantage, UK (contract)
September 1, 2009 - March 31, 2010Developed security and surveillance systems; architecture and IT management procedures; multi-threaded services with a mix of unmanaged/manged modules; GUI in MFC, WinForms, WPF.
Software Design Engineer – CLR Security Team at Microsoft Corporation – Redmond, WA
May 1, 2003 - January 31, 2009Member of the CLR Security team; developed and tested the CLR security framework; contributed to the BCL; built tools for the security SDK; worked across C#, C++ managed/unmanaged, VB.NET.
Senior R&D Engineer – Delphi, C++ Builder, C#Builder at Borland Software Corporation – Scotts Valley, CA
June 1, 2000 - April 30, 2003Developed tools for the R&D department; contributed to Delphi/C++ Builder interoperability during the unmanaged-managed transition; provided managed support to the Delphi compiler; public speaking and training.
Senior Software Developer at UBS Warburg – London
June 1, 1998 - May 31, 2000Developed banking and investment applications in Delphi, Java and Sybase; maintained production apps and data-heavy backend services; Reuters stock ticker updates.
Systems Architect at Communicable Disease Surveillance Centre – NHS – London
June 1, 1997 - May 31, 1998Nationwide MS SQL Server database development; C++ and Delphi; web GUI with HTML/JS; site support across the country.
Systems Developer at Technip – Paris France
January 1, 1995 - May 31, 1997Systems development and internationalisation; provide client support across international branches.
Education
MSc. Computer Science at École Nationale Superieure du Pétrole et des Moteurs
January 1, 1995 - December 31, 1996BSc. (Hons.) Mechanical Engineering at Universidade Estadual de Campinas
January 1, 1990 - December 31, 1994Qualifications
MCP Microsoft Certified Professional
January 11, 2030 - March 25, 2026MCPD Microsoft Certified Professional Developer
January 11, 2030 - March 25, 2026Certified Scrum Master (Scrum Alliance)
January 11, 2030 - March 25, 2026Industry Experience
Software & Internet, Financial Services, Gaming, Professional Services, Media & Entertainment
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