Steve Evans
Maidstone
Summary
Senior Embedded / Systems Software Engineer with 20+ years of professional C++ experience, specialising in performance-critical, real-time, and embedded systems. Proven delivery across embedded Linux, RTOS, ARM-based hardware, and distributed device networks in regulated industries including transport, payments, and defence. Deep expertise in modern C++ (C++17–C++23), memory management, concurrency, hardware integration, and low-level debugging. Experienced in leading complex system upgrades, legacy modernisation, and mentoring engineers in high-reliability environments.
Overview
25
25
years of professional experience
Work history
Senior Software Engineer – Embedded Systems
Cubic Transportation
05.2022 - 03.2026
- Developing embedded and distributed C++ systems supporting TfL customer-facing transport hardware, deployed at large scale across London.
- Core C++ development for embedded Linux systems running on ARM hardware.
- Delivered large-scale PED replacement programme across ~2000 ticket vending machines, including hardware abstraction, secure device integration, and deployment safety.
- Modernised legacy components to support MySQL 8.0, resolving compatibility issues and improving long-term maintainability.
- Contributed to development of next-generation contactless readers supporting EMV, ITSO, and Oyster payment technologies.
- Worked within CI/CD pipelines using Jenkins, Conan, and Artifactory.
- Produced detailed technical documentation for regulated transport environments.
- Technologies: C++17/20, Embedded Linux, ARMv7, CMake, TCP/IP, Jenkins, Conan, MySQL, Git, zlib
Software Developer – Defence Systems
CGI
06.2018 - 05.2022
- Worked on safety-critical battlefield systems for the Royal Artillery, developed to DO-178B Level C standards.
- Developed mission-critical logic in Ada 2012 within a strict regulated environment.
- Built and maintained C++ MFC-based HCI components interfacing with real-time backend systems.
- Applied rigorous software engineering practices including traceability, documentation, and formal change control.
- Collaborated in a waterfall development lifecycle with high reliability and correctness requirements.
- Technologies: C++, Ada 2012, MFC, UML, Secure Environment
Team Leader / Senior Embedded Engineer
Optomany
07.2017 - 02.2018
- Led development of embedded payment software running on ARM-based Linux terminals.
- Led a Scrum team developing real-time chip-and-pin payment applications.
- Maintained and extended core C and C++ libraries supporting EMV processing.
- Built C++11 applications using CMake and cross-compiled toolchains.
- Supported Ethernet and Wi-Fi connectivity in embedded environments.
- Technologies: C++11, Embedded Linux, ARM11, CMake, Payments, EMV, Networking
Senior Software Engineer – Embedded & Desktop Systems
Helvar
10.2015 - 07.2017
- Worked on industrial lighting control systems spanning embedded devices and desktop tooling.
- Developed real-time C++ systems using TCP/UDP networking to control distributed lighting hardware.
- Introduced VisualGDB and modern embedded Linux workflows to the organisation.
- Ported embedded software to Linux-based platforms (Yocto/Debian).
- Implemented OpenSSL-based security improvements to mitigate MITM risks.
- Technologies: C++, Embedded Linux, RTOS, ARM, TCP/UDP, OpenSSL, Boost, SBC
VeriFone, Commidea, Bench Software, SDE Software
01.2001 - 01.2015
- Embedded and systems development roles focused on payment terminals, real-time devices, and cross-platform C++ tooling, including EMV, serial communication, RTOS environments, and customer-facing hardware.
Education
Microsoft Visual C++ / C# (.NET) -
BTEC National Diploma - undefined
Skills
- C (C11 → C23) – primary language (20 years), C, Ada, Assembly (68K, IA-64 – historical)
- Embedded Linux (Yocto, Wind River), RTOS (VxWorks, proprietary RTOS)
- ARM (ARM11, ARMv7), bare metal & SBC platforms
- Core C Competencies, RAII, smart pointers, ownership models
- Move semantics, multithreading & concurrency, synchronisation, low-latency and real-time constraints, and debugging undefined behaviour
- API and library design, performance profiling and optimisation
- Networking & IPC, TCP/UDP, sockets, RS232, serial protocols, pipes, ZeroMQ, device-to-host communication
- OpenSSL, AES, RSA, secure device communication, and zlib compression
- GCC, Clang, MSVC, GDB, VisualGDB, CMake, Make, and Conan
- Visual Studio, CLion, Xcode, Cube IDE, Git, Bitbucket, Gitea, Jenkins, GitHub Actions
SECURITY CLEARANCE
Previously held SC Clearance (valid until 2028)
Timeline
Senior Software Engineer – Embedded Systems
Cubic Transportation
05.2022 - 03.2026
Software Developer – Defence Systems
CGI
06.2018 - 05.2022
Team Leader / Senior Embedded Engineer
Optomany
07.2017 - 02.2018
Senior Software Engineer – Embedded & Desktop Systems
Helvar
10.2015 - 07.2017
VeriFone, Commidea, Bench Software, SDE Software
01.2001 - 01.2015