Sean Nieuwoudt Email & Phone Number

Cape Town

At Underwulf, we work with clients to transform their ideas into powerful, scalable software solutions. Whether you need a Minimum Viable Product (MVP), a complex web application, or seamless API integrations, we specialise in delivering robust results that drive business growth and innovation.We excel at:● Custom Software Development: From concept to launch, we build solutions that are tailored to your unique needs.● API Development & Integration: Connecting systems and… Show more At Underwulf, we work with clients to transform their ideas into powerful, scalable software solutions. Whether you need a Minimum Viable Product (MVP), a complex web application, or seamless API integrations, we specialise in delivering robust results that drive business growth and innovation.We excel at:● Custom Software Development: From concept to launch, we build solutions that are tailored to your unique needs.● API Development & Integration: Connecting systems and streamlining operations for efficiency.● AI-Powered Solutions: Leveraging AI and machine learning to bring intelligence and automation to your software.● UI/UX Design: Creating intuitive, user-orientated designs that enhance user experiences and boost engagement.● Cloud Solutions & DevOps: Ensuring your systems are scalable, secure, and efficient in the cloud.About Underwulf Studio:Unlock the full potential of your business with Underwulf’s expert team. We simplify complex challenges through custom software and innovative UI/UX designs. From initial concept to launch, we help businesses scale and innovate through tailored software systems. Show less

London, England, United Kingdom

At Machine Republic, we build frustration-free, custom software solutions that address your business needs with precision. Our focus is on creating digital products that move your business forward—efficiently, pragmatically, and with guaranteed ROI. From concept to execution, we ensure seamless software development without the distractions of endless meetings or prolonged project cycles. We thrive on delivering results through early integration, transparency, and collaboration with our clients,… Show more At Machine Republic, we build frustration-free, custom software solutions that address your business needs with precision. Our focus is on creating digital products that move your business forward—efficiently, pragmatically, and with guaranteed ROI. From concept to execution, we ensure seamless software development without the distractions of endless meetings or prolonged project cycles. We thrive on delivering results through early integration, transparency, and collaboration with our clients, ensuring that every product we build not only fits but exceeds expectations.Key Responsibilities:● Technical Leadership: Spearheaded the design and development of scalable software solutions, ensuring that all systems met high performance and security standards.● Product Development: Led the end-to-end development of custom software, API integrations, and AI-powered solutions, turning client requirements into fully functional digital products.● Team Leadership: Managed and mentored the development team, ensuring alignment with business goals, technical best practices, and project timelines.● Architecture & Infrastructure: Designed robust architecture and infrastructure for both front-end and back-end systems, focusing on scalability and maintainability.● Client Collaboration: Worked closely with clients to understand their business needs, providing technical guidance and ensuring smooth project execution.● Innovation & Strategy: Drove the company’s technology vision and strategy, integrating cutting-edge tools and processes to keep Machine Republic at the forefront of innovation.● Code Quality & Best Practices: Established development standards and implemented CI/CD pipelines, ensuring quality, security, and efficiency across all projects.● Problem Solving: Led efforts in troubleshooting and resolving complex technical challenges, ensuring that all issues were addressed promptly and effectively. Show less

Cape Town, Western Cape, South Africa

In my role as Senior Developer and Solutions Architect for one of Africa’s largest retailers, I led the development of scalable, high-performance systems that aligned with the company's business objectives. I provided technical leadership and worked closely with cross-functional teams to deliver complex software solutions that met evolving organisational needs.Key Responsibilities:● Architectural Leadership: Led critical software architecture decisions to ensure scalability… Show more In my role as Senior Developer and Solutions Architect for one of Africa’s largest retailers, I led the development of scalable, high-performance systems that aligned with the company's business objectives. I provided technical leadership and worked closely with cross-functional teams to deliver complex software solutions that met evolving organisational needs.Key Responsibilities:● Architectural Leadership: Led critical software architecture decisions to ensure scalability, security, and maintainability across projects.● Team Optimisation: Guided development teams in optimising performance, making key technical decisions, and aligning with business goals.● Infrastructure Scaling: Designed and implemented infrastructure solutions to meet the demands of a rapidly growing organisation.● Cloud Migration: Planned and executed cloud migration strategies, ensuring seamless transitions and minimal downtime.● Full Stack Development: Hands-on coding across multiple languages (Java, Go, Python, PHP, JavaScript), ensuring top-notch quality and performance.● CI/CD and Security Standards: Implemented continuous integration and delivery pipelines, enforcing robust security standards throughout the development lifecycle.● Collaboration & Integration: Coordinated integration efforts across multiple teams, ensuring smooth and efficient cross-team operations. Show less

Cape Town, Western Cape, South Africa

As CTO before their acquisition, I provided high-level technical direction and strategy for Code Maven, ensuring the alignment of our technology stack with the company’s long-term vision. I managed key stakeholders, provided leadership across technical teams, and played a central role in shaping product development.

Cape Town, Western Cape, South Africa

MyPerks is a platform designed to bring curated perks and benefits from leading local brands to organisations and their employees, fostering a unique value proposition for businesses looking to reward their teams.As CTO and Co-Founder, I was responsible for overseeing the technical development and strategy behind the platform, ensuring that it scaled to meet the growing needs of both users and businesses.Key Responsibilities:● Mobile App Development: Built the hybrid… Show more MyPerks is a platform designed to bring curated perks and benefits from leading local brands to organisations and their employees, fostering a unique value proposition for businesses looking to reward their teams.As CTO and Co-Founder, I was responsible for overseeing the technical development and strategy behind the platform, ensuring that it scaled to meet the growing needs of both users and businesses.Key Responsibilities:● Mobile App Development: Built the hybrid mobile application for iOS and Android, providing users with a reliable platform for capturing expenses.● Backend Engineering: Developed the backend platform using Ruby on Rails, ensuring the system’s scalability and robustness.● Integrations: Spearheaded the development of all platform integrations, including payment processing and third-party services.● Advanced Features: Integrated Google Cloud Vision to enable core scanning functionality for receipt and document recognition.● Infrastructure & DevOps: Provisioned and managed the entire infrastructure, while establishing CI/CD pipelines for efficient deployment.● Collaboration & Strategy: Worked closely with the founders to align the platform’s technology strategy with business goals, ensuring long-term success. Show less

Cape Town Area, South Africa

Slipztream is a proudly South African-built mobile and desktop platform that revolutionises expense management by enabling users to effortlessly capture and submit receipts for claims. With Slipztream, lost receipts and missed claim submissions are a thing of the past, making it easier to manage company and personal expenses on the go.In my role as Co-Founder and Senior Software Engineer, I led the development and technical strategy, overseeing both mobile and backend architecture to… Show more Slipztream is a proudly South African-built mobile and desktop platform that revolutionises expense management by enabling users to effortlessly capture and submit receipts for claims. With Slipztream, lost receipts and missed claim submissions are a thing of the past, making it easier to manage company and personal expenses on the go.In my role as Co-Founder and Senior Software Engineer, I led the development and technical strategy, overseeing both mobile and backend architecture to create a seamless user experience.My role included:● Building the hybrid mobile application for iOS and Android● Building the backend platform using Ruby on Rails ● Building the specifications for all of the integrations● Implementing payment processing within the platform● Implementing the core scanning functionality with Google Cloud Vision● Provisioning and managing all of the infrastructure● Creating the CI/CD processes and pipelines● Working closely with the founders to align the business technology strategy Show less

Stellenbosch, Western Cape, South Africa

Wixel, a self-funded and profitable software development studio, was established in 2010 to deliver innovative web, mobile, desktop, and IoT products across diverse industries. We partnered with early-stage startups, financial services, gaming, e-commerce, media, and big data companies, consistently earning a reputation for taking on and excelling in complex, high-stakes projects with speed and precision.As Co-Founder, I played a pivotal role in the growth and success of the company… Show more Wixel, a self-funded and profitable software development studio, was established in 2010 to deliver innovative web, mobile, desktop, and IoT products across diverse industries. We partnered with early-stage startups, financial services, gaming, e-commerce, media, and big data companies, consistently earning a reputation for taking on and excelling in complex, high-stakes projects with speed and precision.As Co-Founder, I played a pivotal role in the growth and success of the company, overseeing the development of nearly 200 software projects and creating technical solutions that drove business value for our clients.Key Contributions:● Leadership & Strategy: Built and led a talented team of developers, designers, and technical staff, aligning our strategy with client business goals and KPI achievements.● End-to-End Project Delivery: Managed full lifecycle software development processes, ensuring on-time delivery and client satisfaction for a wide range of projects.● Technical Innovation: Designed infrastructure and architecture solutions tailored to client needs, from complex cloud systems to scalable applications.● Quality Assurance & Compliance: Directed QA processes and maintained compliance with international standards, including PCI DSS, while also managing technology patent development.● Hands-on Development: Jumped in to write code on critical projects, providing support to development teams when needed.● Client Engagement: Cultivated strong client relationships, providing technical consulting and ensuring long-term success for their projects.Notable Achievements:● Delivered complex, large-scale software solutions under tight deadlines, a hallmark of Wixel's reputation.● Drove innovation and technical excellence across diverse industries, from gaming and media to fintech and e-commerce.● Won the Frost & Sullivan award for our work in the Big Data segment Show less

Heidelberg Area, Germany

Vundaware is a value-added distributor specialising in self-management and self-organisation software, focusing on the adoption of emerging technologies across Europe. The company's mission is to empower workforces to become more productive, work smarter, and plan more effectively by leveraging cutting-edge software solutions.As CTO, I was responsible for providing the technical leadership necessary to ensure the success of Vundaware's product offerings, guiding both the technical and… Show more Vundaware is a value-added distributor specialising in self-management and self-organisation software, focusing on the adoption of emerging technologies across Europe. The company's mission is to empower workforces to become more productive, work smarter, and plan more effectively by leveraging cutting-edge software solutions.As CTO, I was responsible for providing the technical leadership necessary to ensure the success of Vundaware's product offerings, guiding both the technical and commercial aspects of the company’s growth.Key Achievements:● Technical Expertise for Sales Teams: Provided the sales team with the necessary technical insights and support to effectively sell products and meet client needs.● Product Development: Reviewed and updated product data to keep the team informed on the latest advancements, developments, and market trends.● Customer & Partner Engagement: Acted as the primary point of contact for product-related inquiries, ensuring timely and accurate responses to customers, distributors, and affiliates.● Roadmap & Strategy: Collaborated with the team on product road-mapping, identifying opportunities for growth and aligning development with the company’s business objectives.● Emerging Technology Integration: Monitored industry trends and emerging technologies, evaluating and integrating those that could benefit the company’s product offerings.● Compliance & Security: Ensured that all technological processes complied with industry regulations and legal requirements for privacy and security, including GDPR.● Performance Monitoring: Oversaw the performance of applications, addressing any failures or inefficiencies in staging and production environments.● Product Building: Led the development and commercialisation of new products, ensuring alignment with market demand and company vision. Show less

San Francisco Bay Area

Yola (previously Synthasite) is one of the largest and earliest no-code website builders, empowering users to create websites without technical expertise. As an early team member, I contributed significantly to scaling the platform from 10,000 users to over 11 million, helping to shape Yola's growth trajectory.Key Contributions:● Framework Development: Built the PHP framework used to package and deploy websites, enabling rapid site creation for millions of users.● Early… Show more Yola (previously Synthasite) is one of the largest and earliest no-code website builders, empowering users to create websites without technical expertise. As an early team member, I contributed significantly to scaling the platform from 10,000 users to over 11 million, helping to shape Yola's growth trajectory.Key Contributions:● Framework Development: Built the PHP framework used to package and deploy websites, enabling rapid site creation for millions of users.● Early Website Creation: Developed and launched the initial company websites, providing foundational user experiences that drove early adoption.● Payment Platform Engineering: Designed and implemented the payment platform, ensuring secure and efficient transaction processing.● Full-Stack Development: Wrote production code in multiple languages, including Java, PHP, Python, and JavaScript, to support platform scalability and performance.● API Development: Assisted in the creation and documentation of platform APIs and specifications to enhance system interoperability and integration with third-party services.● Support & Issue Resolution: Collaborated with the support team to identify, diagnose, and resolve critical production issues, improving platform stability and user experience.● QA & Testing: Worked closely with the QA team to establish testing environments and develop a robust testing strategy, ensuring high-quality releases. Show less