Hi, I'm Danny
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Ledger - Global Leader in Cryptocurrency Security Solutions

Engineering Manager, E-commerce

As Engineering Manager at Ledger, I lead the e-commerce platform that drives the company's primary revenue stream through the sale of cryptocurrency hardware wallets and related products. I oversee the global scaling of our highly transactional digital commerce infrastructure.

Platform Scalability: Responsible for scaling and optimizing the e-commerce platform to handle high-volume global transactions, ensuring seamless customer experiences during peak periods and product launches.

Revenue Growth: Drive technical strategy and platform improvements that directly contribute to sales growth, working closely with business stakeholders to align technology solutions with revenue objectives.

Team Leadership: Lead and mentor engineering teams, fostering a culture of technical excellence and innovation while delivering critical e-commerce capabilities that support Ledger's market leadership in cryptocurrency security.

Veli Group - Leading Online Betting Platform in Africa

Tech Lead

As a hands-on Tech Lead at Veli Group, I have been instrumental in rebuilding and revamping a major online betting platform in Africa. I focus on ramping up the market and optimizing the infrastructure to handle volatile access.

Composable Architecture: I am currently designing and implementing a composable architecture, creating shared services across brands, resulting in the fastest gambling websites in Africa. This approach enhances scalability, maintainability, and outstanding performance.

Infrastructure Revamp: I changed the infrastructure to address critical performance issues and ensure reliable operation in volatile access conditions. I implemented predictable observability across systems, enabling proactive issue detection and resolution.

Development Process Optimization: Improved development processes and testability confidence, promoting a more efficient and reliable software development lifecycle. I Introduced best practices and tools to streamline workflows and enhance code quality.

Cross-Team Collaboration: I collaborated with other teams to sharpen their products. I also cultivated a data-driven mindset, empowering teams to make informed decisions based on meaningful metrics.

User Experience Enhancement: I contributed to improving usability and customer lifetime value (LTV) expectations by implementing new infrastructure and a customer-centric approach. I worked closely with the product team to identify and prioritize critical business metrics.

AFerry - Leading Global Ferry Marketplace

Senior Software Engineer

I transformed the company's digital infrastructure and processes in a dynamic and technologically challenging environment at AFerry, one of the world's leading ferry marketplaces.

Pioneering Solutions: I worked on transitioning from a legacy system to an event-driven architecture, which enabled more scalable and responsive solutions to complex problems.

Boosting Developer Productivity: I designed and implemented custom tools to streamline the development process, making our team more agile and responsive to business needs.

Front-end Architecture Revamp: I restructured our front-end architecture using cutting-edge technologies, implementing a micro-frontend architecture with impressive performance scores of over 90 while working seamlessly on the edge.

Business Impact: We witnessed a consistent increase in conversion rates, showcasing the symbiotic relationship between technical excellence and business success. This project demonstrated the feasibility and effectiveness of the micro-frontend model and its strategic advantage for businesses.

Leadership Growth: After the Head of Engineering's departure, I took on a more prominent leadership role, sharing responsibilities with the Tech Lead. However, with a small developer team, I realized my growth potential within the company was becoming limited.

Seeking New Challenges: Driven by my aspiration to continuously challenge myself and grow professionally, I decided to pursue new opportunities as a Tech Lead in a larger organization, where I can further develop my leadership skills and make an even greater impact.

Anthor - Pioneering On-demand Professional Network for Retail

Senior Software Engineer

At Anthor, a pioneering startup that seamlessly connects on-demand professionals with surging demands in the retail sector, I played a crucial role in enhancing the platform's technological robustness, setting the stage for nationwide expansion in Brazil.

Scalability-Focused Architecture: Anticipating scalability, I led comprehensive architectural renovations to ensure the platform's responsiveness as we expanded our user base and catered to a broader range of retail demands.

Performance Optimization: I led the refactoring of our core feature, which tackled critical infrastructure challenges that impacted business operations. This reduced mission list retrieval times from 10 seconds to just 0.3 seconds and made other crucial features five times faster.

User Experience Enhancement: The technical upgrades directly influenced user satisfaction, leading to increased adoption and positive word-of-mouth, both vital for a startup in its growth phase.

Leadership Growth: I progressed towards a leadership role within Anthor, honing my skills in guiding and mentoring the development team to achieve our shared goals.

While progressing towards a leadership role within Anthor, an enticing international opportunity beckoned, leading me to make a career move.

Betcare - One-man Betting Automation Venture

Founder & Full Cycle Developer

Betcare wasn't just another project but my entrepreneurial venture into the dynamic betting world. As a solo developer, I took on the challenge of providing consultancies with innovative solutions to navigate traditional API barriers.

Solo Developer Journey: I took on multiple roles, from frontend development to DevOps, in a continuous cycle of learning and adaptation. I faced and overcame challenges independently, turning each obstacle into a valuable lesson.

Technical Innovation: I developed web scrapers and strategies to bypass anti-bot measures, enabling seamless navigation of betting sites without APIs. I constantly pushed the boundaries of what was possible.

Business Challenges: I navigated the complexities of the business side, adapting to the unpredictable results of consultancies and the diverse daily requests from users. I made strategic decisions to balance growth and sustainability.

Resilience and Adaptability: As the challenges intensified and user needs sometimes conflicted with policy considerations, I recognized the need for a new direction. The experience at Betcare showcased my ability to persevere and adapt to adversity.

Embracing New Opportunities: While I decided to move on from Betcare, the invaluable insights gained from this entrepreneurial journey have strengthened my foundation for future ventures in the dynamic start-up ecosystem.

Freelancer Developer - Turning Data into Decision-making Power

Software Developer

Throughout my freelance journey, I've worked on a diverse range of complex projects, delivering customized solutions that have driven meaningful results for my clients.

Election Big Data Project: I played a vital role in a high-stakes initiative, leveraging extensive data sources to provide actionable insights for a political party's Mayor and City Councillor election campaign. I empowered key teams with crucial data to inform their strategic decision-making, contributing to the city councillor's successful campaign win.

High-Profile Football Club Solutions: My reputation for excellence led to developing a system for Flamengo, Brazil's biggest football club. The solution enabled the chain of schools to efficiently acquire new clients for branches across the Country while optimizing marketing campaigns in an automated way. This success also led to collaborations with clubs like Cruzeiro and São Paulo.

Pandemic-Driven Innovation: In response to the shifting landscape brought about by the COVID-19 pandemic, I proactively learned about emerging market needs and evaluated potential solutions, which led me to introduce a novel product specifically designed to address the unique challenges presented by the pandemic.

Diverse Project Portfolio: I have worked on a wide array of projects, ranging from web development to data analysis, consistently delivering high-quality solutions tailored to each client's specific requirements and goals.

Client-Centric Approach: I built strong relationships with clients by prioritizing open communication, understanding their unique needs, and consistently delivering results that exceeded expectations. I earned a reputation for reliability and excellence.

Embracing Entrepreneurship: Inspired by the success of my freelance work and the opportunities presented by the changing market dynamics, I decided to leap into entrepreneurship, leveraging my skills and experience to create innovative solutions that address pressing needs.

Wakala Agency - Bridging Marketing and Technology

Full Stack Developer | Technical Marketer

At Wakala, my role was pivotal in integrating technology into marketing campaigns, bridging the gap between technical solutions and business objectives.

Chatbot Integrations: Designed and implemented chatbot integrations to enhance customer interactions, improving engagement and support efficiency.

Precision Targeting: I leveraged the Facebook Marketing API to create highly targeted audiences, enabling more effective and personalised marketing campaigns.

Marketing Analytics: Set up sophisticated technical tracking systems to provide comprehensive insights into marketing performance, empowering data-driven decision-making.

Automation and Efficiency: Streamlined reporting workflows through automation, saving time and resources while ensuring timely access to key performance metrics.

Customer Loyalty: Architected a store loyalty system that strengthened customer-brand relationships, fostering increased retention and lifetime value.

Diverse Skill Set: I have utilised various technologies and tools, demonstrating proficiency in full-stack development, marketing APIs, and data analytics.

While my time at Wakala offered valuable exposure to the interplay of marketing and technology, I recognised a growing aspiration within me. I wanted to take on larger-scale challenges and craft substantial commercial software to sharpen my developer skills further.

Aquila Aulas - Where Entrepreneurship Met Software Engineering

Founder & Full Stack Developer

At Aquila, I embraced the dual roles of an entrepreneur passionate about education and an emerging software engineer driven by necessity and curiosity. This venture began my coding journey, where I actively developed tailored tools and solutions to address business needs while navigating the complexities of running a private in-home class company.

Entrepreneurial Drive: Founded and managed Aquila Aulas, demonstrating strong leadership, problem-solving, and organizational skills in the education sector.

Coding Catalyst: I embarked on my software engineering journey, learning and applying coding skills to develop practical solutions that enhanced the company's operations and service delivery.

Adaptive Solutions: Created custom tools and applications tailored to the unique requirements of the private education industry, streamlining processes and improving efficiency.

Resilience and Agility: Navigated the challenges posed by the economic downturn in 2015, which significantly impacted Brazil's private education landscape, showcasing adaptability and strategic thinking.

Embracing New Opportunities: Recognizing the shifting market dynamics and leveraging my growing expertise in software engineering, I decided in 2017 to transition fully into the tech industry, embarking on a dedicated path to further develop my skills and make a meaningful impact in the world of technology.

Sistema Elite de Ensino - The Foundation of My Professional Journey

Math Teacher

I began my professional journey at Sistema Elite de Ensino, one of Brazil's leading educational institutions, where I immersed myself in the art of teaching mathematics.

Effective Communication: I developed strong interpersonal skills, learned the nuances of clear communication, and understood diverse perspectives, which later proved invaluable in collaborating with teams and clients in the tech industry.

Structured Thinking: I cultivated a structured and logical mindset by teaching mathematical concepts, laying the foundation for my future success in systematic programming.

Passion for Education: Demonstrated a deep commitment to education and helping students succeed, showcasing patience, empathy, and the ability to break down complex concepts into easily understandable components.

Adaptability: I use tailored teaching approaches to accommodate various learning styles, ensuring that each student can grasp and apply mathematical principles effectively.

Foundation for Growth: This experience not only ignited my passion for teaching and mentoring but also equipped me with transferable skills that have been essential in my journey as a software engineer, enabling me to approach challenges with a structured and analytical mindset while effectively communicating solutions to both technical and non-technical stakeholders.