Embedded Software Engineer

Embedded Software Developer – CODESYS & CFreelance | €60–75/hour | Turku / Tampere / Hybrid | Initial 3–4 monthsWe are looking for an experienced Embedded Software Developer to join an industrial R&D project focused on control systems for heavy machinery.This is an initial 3–4 month freelance assignment, starting as soon as the right person is available, with a strong possibility of extension.The project involves the continued development and modernisation of load handling control systems, including developing application layers for new hardware modules and integrating CODESYS-based control logic with C/C++ applications.We're particularly interested in speaking with developers who have strong practical experience with CODESYS and PLC development, alongside knowledge of C or C++.What you'll be working onDeveloping and updating control system applications using CODESYSDeveloping application layers for new EPEC hardware modulesWorking with C/C++ applications alongside CODESYS-based control logicSupporting integrations and migrations between CODESYS runtime and other applicationsContributing to functional safety and requirements managementTesting software against physical hardware and machineryWhat we're looking forThe key requirement is strong hands-on experience with CODESYS development and PLC logic.Experience in some of the following would also be beneficial:C and/or C++ developmentEPEC control modulesEmbedded control systemsMobile or heavy machineryFunctional SafetyISO 26262EN ISO 13849Machinery Directive requirementsHardware or bench testingYou don't necessarily need experience across every area. If you have strong CODESYS experience alongside a background in embedded or industrial control systems, we'd be keen to hear from you.Location & working modelThe majority of development work can be completed remotely, but you will need to be able to attend Raisio/Turku or Tampere for hardware, bench or vehicle testing when required.The working language is English, with Finnish considered beneficial but not essential.ContractRate: €60–75/hourInitial duration: 3–4 months, with a good possibility of extensionStart: September/October 2026, or as agreedLocation: Turku/Raisio or Tampere + remote workingIf you have strong CODESYS experience and are available for a new freelance project this autumn, please get in touch to discuss the project in more detail.