Key Software Engineer, Principal Industrial Systems Specialist

Mark Willman

Having had Key Software Engineer exposure and roles across a wide variety of international top-tier projects, I can offer expertise and skills, leveraging custom written software spanning most full stack technologies, particularly as a Principal Industrial Systems Specialist, et. al.

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I offer strategic and technological insight, adding value and trust, whilst able to offer fractional CTO expertise in a broader consultant role. My experience and exposure to industry sets me apart.


  • Microsoft BizSpark / Microsoft for Startups Founders HubProgramme Facilitator

    We're going to partner with these guys all the way. They've got something different! [Mark is co-founder of South African Software House (Pty) Ltd ]

  • Karen Bayley, Bayley's Business ConsultingFractional COO | Finance & Operations Systems Architect | Helping Organisations Implement Systems, Processes & Governance That Scale

    You have amazing skill and products and I wish you endless success going forward.

Clients

Some significant collaboration and/or work relationships over the years

  • CHEP

    Transportation, Logistics, Supply Chain and Storage

  • Kwelanga Solutions

    Supply Chain Solutions

  • easyform

    Specialists in professional lighting for public and commercial environments

  • procot

    Product development, production solutions, and optimized supply chain

  • Pick n Pay

    "Inspired by You" - top 3 South African Retailer

  • Marshall Security

    "In case of anything" - security provider

  • Toyota

    "Let's Go Places" - Vehicle Manufacturer

  • Schoeman Boerdery

    "Serving Agriculture for 100 years" -

  • Mercedes-Benz

    "The Best or Nothing" - Vehicle Manufacturer

Feel free to contact me!

Let's chat, I'm happy to be conversational towards working together

Skills

... and roles performed. Part-Time or Full-Time. Largely Remote.

  • Full Stack Technologies

    A true Senior Developer who has years of experience working in all the layers that comprise software development. From frontend to backend, model layers, business controllers, APIs, and Database.

  • Databases and Data Engineer

    A deep understanding and experience working with multiple database platforms, including Oracle, Postgre, MSQL, MySQL. High performance in design and real-world ERD and data modelling able to handle terabytes of data and hundreds of thousands of users online where performance is an absolute essential.

  • GUI and Frameworks

    An eye for design and solid best-practices experience when designing frontends and UX/UI.

  • Solutions Architect

    Decades of experience designing and building Desktop Applications and Mobile Apps with backend portals, B2B integration, High Security conformance, and sustainable and cost-effective architecture for high grade companies. High performance and maintainable code is always a priority.

  • Programming Languages and Frameworks

    PHP, Java, React Native, Python, C#, VueJS, JavaScript, TypeScript, ES6+, HTML, CSS. And More.

Projects

Some significant projects I've worked on as key engineer, or sole architect

Technical Lead, Cloud Migration
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Technical Lead for cloud migration of enterprise applications to Amazon Web Services (AWS), including database migration from MSSQL to PostgreSQL and MySQL for an international blue-chip company. The project reduced dependence on ageing on-site infrastructure, improved system scalability and reliability, simplified future expansion, and helped lower long-term infrastructure and support costs. SAP integration touchpoints included custom-written ABAP modules

Key engineer for global company RFID
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Key engineer for global company in construction of AWS ecosystem consisting of core iOT, MQTT, Lambda Python modules, and all components in the ecosystem. The cloud-based tracking system provided real-time asset tracking and supply chain visibility across multiple locations, helping the client process large volumes of asset movements quickly and reliably. The platform was designed for operational visibility, scalable cloud systems and high-availability logistics operations as volumes and global usage increased

PnP ASAP! / Bottles Mobile App
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Architected and Engineered the initial Bottles and Pick ‘n Pay mobile app which became the ASAP! app (South Africa’s third biggest retailer), a top-5 e-commerce mobile app.

Swedish client mobile app iOT
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Swedish client mobile app lighting automation: Developed a mobile app for IoT automation of Lighting to provide real-time control over smart lighting and connected devices, integrating directly with cloud-based backend services for low-latency responsiveness for a leading Swedish client. The solution was deployed across EU environments in line with carbon reduction initiatives and supported smart-building automation, remote device management and energy-efficiency use cases, allowing for utilities optimisation and monetary savings

B2B Integration
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B2B integration of Retail Manufacturer (Principals) to PnP WebServices. with similar integrations for other major retailers such as Checkers and SPAR [SOAP, EDI, JSON, other RESTful architecture]. These systems allowed supplier and retailer platforms to exchange orders, inventory, product and logistics information automatically, reducing manual processing, improving real-time data exchange, and supporting smoother retail supply chain integration across major enterprise environments (Enterprise Integration).

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