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Work Background
walt.idSenior Software Engineer
Jan. 2024Vienna, Austriawalt.id is an open-source infrastructure provider offering APIs and developer tools for implementing decentralized identity, verifiable credentials, and Self-Sovereign Identity (SSI) solutions. -- Engineering * Architected and delivered the product’s CLI in Kotlin, enabling streamlined developer access to SSI workflows including credential issuance and presentation. * Deployed the CLI to production, supporting mission-critical integrations and enhancing usability for decentralized identity developers. -- Customer Success * Launched the Customer Success function from zero, designing onboarding flows, support processes, and client feedback loops to increase satisfaction and product alignment. * Bridged cross-functional collaboration between product, engineering, and enterprise clients, actively contributing to Agile planning and production triage. -- Quality Assurance & Automation * Automated the release pipeline using Bash and GitHub Actions, reducing manual effort and ensuring reliability across deployment environments. * Built E2E testing workflows with Postman and JavaScript scripting, embedding them in CI/CD pipelines to validate product integrity at every release. Stack & Tooling: Kotlin · Bash · GitHub Actions · Postman · JavaScript (test scripting) · Docker
Standards & Protocols: OpenID Connect · OAuth2 · OID4VC · OID4VP · mDL/mDoc · Verifiable Credentials · JSON-LD
Practices: Agile/Scrum · CI/CD · Developer Tooling · Identity Architecture
KonneqtHead of Product Strategy ( DID, SSI, VC)
Jan. 2023 - Jan. 2024Brasília, Federal District, Brazil* Directed early-stage R&D for decentralized identity (DID, SSI, VC), aligning technical exploration with W3C/OpenID4VC standards and leading architectural prototyping across cross-functional teams. * Validated market potential through feasibility studies and pilot trials; recommended product pause after evidence showed limited traction, saving resources and enabling strategic pivot. * Assumed product ownership of a legacy integration platform; led requirements discovery, technical audits, and MVP design before halting modernization due to system debt and resourcing constraints. * Applied lean product methodologies and evidence-based frameworks to guide high-uncertainty decision-making, balancing innovation ambition with realistic delivery capacity. Key Focus Areas: Decentralized Identifiers (DIDs), Verifiable Credentials, OpenID4VC, Product Discovery, Market Validation, MVP Design, Technical Debt Management, Strategic Roadmapping, Interoperability, SaaS Leadership, Product-led Growth, Engineering.
The World BankSenior Consultant
Jan. 2019 - Dec. 2019Maputo, Mozambique* Engaged as an international specialist to support the identification, analysis, and prioritization of high-impact digital transformation initiatives within Mozambique’s public sector. Conducted extensive fieldwork and stakeholder consultations to assess the innovation potential of government-led projects in areas such as e-governance, digital identity, interoperability, and service delivery modernization. * Produced strategic recommendations that informed the allocation of financial resources and policy guidance for the development of Mozambique’s digital public infrastructure, contributing to the World Bank’s broader agenda of inclusive digital economy development in low- and middle-income countries. * Work involved synthesizing technical, institutional, and socio-political factors to evaluate project feasibility, sustainability, and potential for systemic impact.
Inter-American Development BankInformation Technology Consultant
Jan. 2018 - Dec. 2018Brasília, Federal District, Brazil* Provided high-level advisory services to support the technological modernization of internal systems and public sector interfaces, with a particular focus on digital innovation for fiscal management offices. * Assessed institutional capacities, conducted technical evaluations, and delivered actionable recommendations for enhancing digital infrastructure, interoperability, and service delivery efficiency. * Mentored internal technical teams in the adoption of cloud-native architectures, agile methodologies, and digital service design principles. Played a leading role in technology foresight and knowledge transfer, delivering lectures and workshops on artificial intelligence, cloud computing, and agile process management for both operational staff and strategic decision-makers. * The consultancy contributed to advancing IADB’s digital transformation strategy by aligning emerging technologies with public value generation.
Universidade de BrasíliaPHD Candidate
Jan. 2017Brasília, Federal District, Brazil* PhD candidate conducting research on the strategies of sponsored content distribution by political campaigns during election periods. * Conducted interdisciplinary research on the digital transformation of political communication, with a focus on how platform architectures shape activism, mobilization, and persuasion strategies in contemporary electoral contexts. * Investigated how political actors leverage Twitter for mobilization, agenda-setting, and symbolic conflict, employing data scraping, API-based collection, and network analysis to map engagement patterns and discursive coalitions. * Designed and implemented an experimental audit of Google’s search engine, uncovering evidence of algorithmic bias in political content exposure based on users’ behavioral profiles — highlighting how personalization mechanisms influence access to information in electoral periods. * Currently advancing a research line on the appropriation of digital entrepreneurship repertoires in electoral campaigns, with special attention to the use of conversion funnels, audience micro-segmentation, and long-term content planning as persuasion strategies. The study examines how electoral actors incorporate digital marketing tactics and platform logics to optimize visibility, emotional engagement, and voter conversion. * Methodologically, the work integrates automated data collection, web scraping, and experimental design to uncover the operational logic of digital campaigns. Skills: Python, Javascript, NodeJS, API Integration (Twitter, Google & Facebook), Web Scraping, Experimental Design, Data Analysis, Computational Social Science, Political Communication, Platform Governance, Digital Campaign Strategy, Audience Segmentation
AL2 DigitalFounder
Jan. 2016 - Jan. 2023Brasília, Federal District, Brazil* Founded and led AL2 through two distinct and successful business cycles, combining technical expertise, market adaptability, and strategic resilience to navigate both public and digital sectors. Phase 1 – B2G / Open Source API Management for Government * Established AL2 as a trusted provider of API management solutions, support services, and training for Brazilian federal entities. Specialized in open-source technologies, the company secured contracts through highly competitive and complex public bidding processes. * Oversaw all stages of B2G engagement — from proposal writing and procurement compliance to delivery and long-term support — while navigating shifting political landscapes and institutional risk. * Successfully led a flagship implementation at a state-owned enterprise, which continues to be a benchmark in digital infrastructure and contributes significantly to the client’s operational revenue. Phase 2 – Digital Market / Info-Product Development * Pivoted to the B2C digital economy by building and launching a portfolio of digital products (courses, content platforms, and subscription services) in the fitness, music, and culinary verticals. Managed all aspects of product development, content strategy, funnel optimization, and marketing automation. * Executed growth experiments, customer segmentation strategies, and monetization frameworks across multiple platforms, applying performance-driven methodologies to audience building and revenue generation. * This 7-year entrepreneurial journey reflects a unique blend of technical leadership, public-sector navigation, digital marketing, and full-cycle product development — from procurement to platform.
Adam Smith InternationalStrategic Advisor
Jan. 2015 - Feb. 2016Harare, ZimbabweConsulting for the prospection and development of digital solutions for social participation in the construction of public policies.
Universidade de BrasíliaVolunteer Professor
Jan. 2013Brasília, Federal District, BrazilAs a professor in the Postgraduate Program in Applied Computing at the University of Brasília, I coordinate the course “Software Construction,” which challenges students to critically reassess the role of programming in the broader software development lifecycle. The course is structured to demonstrate that the most complex and consequential aspects of building software products lie not in the implementation itself, but in the upstream and downstream strategic decisions—such as problem framing, feature prioritization, validation of hypotheses, user engagement, and post-launch adoption. Through hands-on projects and conceptual frameworks drawn from Lean Startup, Design Thinking, Growth Hacking, and Product Analytics, students come to understand that effective software construction requires a comprehensive view of technology as a tool for solving validated problems with measurable impact. By the end of the course, they recognize that programming represents less than half of the effort they initially estimated for creating relevant, usable, and valuable software.
Techstars Startup WeekendMentor & Judge
Jan. 2011 - Jan. 2015BrazilMentorship and support to new ventures all over the country.
SEA TecnologiaChief Executive Officer
Jan. 2009 - Mar. 2016Brasília, Federal District, BrazilAs the company scaled, transitioned into the roles of CEO and CFO, assuming full responsibility for strategic direction, financial oversight, and operational resilience. In this capacity, conducted a financial audit and uncovered a $100K internal fraud scheme through advanced anomaly detection techniques — ultimately designing and implementing a proprietary system for real-time financial monitoring based on machine learning. Faced with a decline in technical quality during a phase of rapid expansion, took decisive action to restructure the engineering team, restore delivery standards, and rebuild client trust. The successful recovery laid the foundation for the company’s eventual acquisition. Key Achievements: * Scaled the company to 50+ employees and $3M in annual gross revenue.
* Successfully delivered dozens of custom-built softwares and portals for the public and private sectors.
* Introduced open-source and agile practices to major public institutions.
* Maintained technical excellence through two organizational reinventions.
* Recovered from operational and reputational crisis through hands-on leadership.
* Led the company through a successful exit.
Fundação UNIVERSAProfessor
Jan. 2008 - Mar. 2013Brasília, Federal District, BrazilClasses on web development, emerging technologies, agile methodologies and innovation process.
SEA TecnologiaFounder
Jan. 2003 - Jan. 2016Brasília, Federal District, BrazilFounded and led SEA Tecnologia for over a decade, transforming it from a small collective of elite developers into a nationally recognized provider of mission-critical software solutions for Brazil’s federal government.
SEA TecnologiaChief Technology Officer
Jan. 2003 - Jan. 2009Brasília Area, BrazilThe company became known for its ability to deliver high-complexity, high-risk systems in politically sensitive contexts, earning a reputation as the “SWAT team” of custom development. As CTO, established a pioneering culture grounded in agile practices, open-source infrastructure, and work-life balance — years ahead of its time in the Brasília tech ecosystem. Under this model, SEA maintained a near-zero turnover rate and became known as one of the best workplaces in the region. Led the introduction of the Liferay platform to Brazil and delivered dozens of enterprise portals to ministries, courts, and public agencies across the country.
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