Experienced software engineer perfectly suited to lead high performance agile teams in Telecom, GSM, Banking (EMV) or Information Security.Specialist industry knowledge complimented with experience in design and implementation of high-performance, scalable, highly available back-end data processing solutions.Banking: EMV specialist focused on smart cards. In depth knowledge of EMV card application specifications (EMVco, Mastercard, Visa). Transaction flow (card level) including all cryptography involved. Developing secure PCI-compliant systems including EMV data preparation/generation and card personalization as well as POS device key injection. GSM: Extensive experience especially on the SIM card side, including SMPP/OTA/(U)SIM/STK/Javacard/WIB/S@T/GSM security algorithms and data generation and personalization.Smart cards: 20 years of experience including embedded development in C, Javacard applet development and troubleshooting, personalization and interacting with smart cards over various secure channels, OTA, 03.48, GlobalPlatform SCP etc.Telecom: Sigtran/SIP/Billing systems/VAS/IVR/OBD/SMS Marketing Crypto: Extensive experience with HSM's - cryptoki (PKCS11) based Safenet HSM's as well as payments API of Thales Payshield. Programming: C, C++, C#, Java, Javascript, Typescript, Python, Go, Dart some Erlang and I can decipher Perl if I really need to. Docker, Kubernetes, Podman, Pulsar, Kafka, Mysql, Redis, NATS, Spring Boot.
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Chief Technology OfficerIntelcavSão Paulo, Sp, Br
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Ai First Software Engineer IiiTrilogy Apr 2024 - PresentBrazilAt Trilogy we support multiple large and complex software systems at the same time with a very small, highly competent team of software engineers, leveraging AI as a multiplier to development efficiency.My day to day work is mainly involved in the modernization and maintenance of enterprise-scale applications through cloud-native architecture and AI-enhanced development practices. Spearheading development initiatives across diverse codebases using Java and C++, with a strong focus on AWS cloud infrastructure.Key Areas:Architecting and implementing cloud-native solutions on AWS, emphasizing scalability and performance optimization for large-scale distributed systemsLeveraging AI-assisted development tools to enhance code quality and accelerate delivery across multiple product linesManaging complex legacy codebases with modern best practices and architectural patternsCollaborating with distributed engineering teams to maintain and evolve mission-critical applicationsTechnical Focus:Primarily focused on leveraging AI both in development as well as product features.Languages: Java, C++Cloud: AWS ecosystemDevelopment: Cloud-native architecture, microservices, AI-assisted developmentMethodologies: Agile development, distributed team collaboration -
OwnerIdnteq Jan 2019 - PresentSão Paulo, BrazilConsulting in GSM, Telecom, Smartcards, EMV Smart cards, EMV Point-of-sales, data preparation and security.Develop, deploy and support multiple software solutions:- Nexus: EMV dataprep and general file processing system for input file processing, secure EMV data preparation including key derivation as well as configurable output file creation- SecureKIS: POS key injection solution based on Thales PaySmart HSM utilizing RSA and TR-31 keyblocks to securely inject DUKPT and DES keys to POS devices
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Chief Technology OfficerCerebrosphere 2018 - Feb 2022São Paulo Area, BrazilAs CTO of a Startup I was responsible for and intricately involved in all technology systems, processes, software design, development and deployment of all our range of groundbreaking, innovative solutions for the Telecom industry.A high pressure environment, juggling the responsibilities of ensuring a complex, high load 99.98% uptime cloud solution meets all of the MNO requirements while working on RnD and new product development at the same time.Our core team was small, spread out around the globe and all working from home. We also relied heavily on freelance contractors.Worked with diverse technologies such as: Java, SpringBoot, Ansible, Javascript, Node.js, Vaadin, MySQL, Kafka, Pulsar, Redis, Docker, Kubernetes, Rancher, SIP, FreeSwitch, Kamailio, Sigtran, STP, MAP, SS7, Zabbix. Responsible for final code review and acceptance testing of all solutions. -
Specialist In Smart Card DevelopmentValid S.A. Oct 2013 - Aug 2018Sao PauloTeam leader and technical specialist of smartcard personalization team. Implemented processes and best practices for the team, including project management system, code version control best practices, code review, agile methodologies and design patterns. Designed and architect internal tools that were later productized and sold externally. Responsible for ensuring our product was resistant to reverse engineering. Technologies used were C#, WPF, COM and C++ -
Technical ConsultantTrusted Logic Dec 2009 - Sep 2013Manage technical interface with customers and influence customer requirement specifications and future solutions.In-depth pre-sales support to complete sales process including analysis of customer's requirements. End-to-end project management, support sales team, provide feedback to product marketing team and help build product roadmaps. On-site testing support, Javacard S@T code troubleshooting and automated testing tool development in Python.
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Technical ManagerInteligensa Aug 2007 - Dec 2009Supply various solutions in the Telecom, Smartcard, GSM, PKI and banking space. Main focus on SIM card supply to MNOs in Brazil and LATAM.Hands-on manager of small team working with startup mentality. Responsibilities involved hiring, training, mentoring, solution architecting and overseeing project management as well as development and implementation of more complex or specialized systems. Worked on GSM profile development, BAP testing, production and quality assurance applications and tools development. Used Javacard, WML, Javascript, C++, C#, Python and Cryptic -
Software DeveloperEmss Dec 2006 - Aug 2007Object oriented C++ software development on complex code base utilizing various design patterns and methodologies and extensive C++ template programming. I worked in a small team on a new product. We made use of various 3'rd party libraries including the boost libraries and made use of Accurev for version control. This was indispensable in our development work as we also had to integrate with a main code-base structure that was constantly changing.
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Development EngineerPrism - Net1 2004 - Dec 2006Software for card personalization (Datacard in C++ and Cybernetix in embedded C), data generation applications interfacing with HSM's and Smartcard based Security Modules (C++, Borland Developer Studio).Javacard development and embedded C smart card OS development. Travelled extensively to provide on-site training to licensing partners around the world, providing training on smart cards, GSM, HSMs, Javacard, 0348 security, Open Platform and Image Based perso.
Adriaan De Haan Education Details
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Digital Signal Processing, Telecommunications -
Electric And Electronic Engineering
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Df Malan Highschool, BellvilleEnglish, Afrikaans, Math, Science, Computer Studies, Geography
Frequently Asked Questions about Adriaan De Haan
What company does Adriaan De Haan work for?
Adriaan De Haan works for Intelcav
What is Adriaan De Haan's role at the current company?
Adriaan De Haan's current role is Chief Technology Officer.
What schools did Adriaan De Haan attend?
Adriaan De Haan attended Stellenbosch University/universiteit Stellenbosch, Stellenbosch University, Df Malan Highschool, Bellville.
Who are Adriaan De Haan's colleagues?
Adriaan De Haan's colleagues are Renata Diehl, Luiz Flávio Ubaldo, Luiz Henrique Lorenzi, Francisneia Silva Souza, Marlon Lima, João Ricardo M. Lemos, Aline Rodrigues Gomes.
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Adriaan de Haan
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