Senior Flutter Engineer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We are seeking an experienced Senior Flutter Engineer to join a fast-paced development team delivering high-quality mobile applications. You will play a key role in designing, developing, and maintaining cross-platform applications using Flutter, while contributing to architecture decisions, code quality, and engineering best practices. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Design, develop, and maintain scalable Flutter applications for iOS and Android. Collaborate with Product Managers, UX/UI Designers, and Backend...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Project Engineer - Rail Telecoms, SCADA & Control Systems Hybrid Working / Remote Working 500 - 600 per day (Inside IR35) Long-Term Contract 3-Year Programme We are seeking a Railway experienced Project Engineer to support a Telecoms, SCADA and Control Systems Renewal Programme in the Kent area. Joining at the start of a three-year programme, you will play a key role in the delivery and upgrade of critical control systems across railway systems telecoms connectivity, signalling interfaces, HVAC controls and monitoring systems. Key Responsibilities Manage engineering activities throughout the project life-cycle. Review and coordinate designs, technical documentation and engineering assurance. Ensure compliance with relevant standards and project requirements. Manage technical interfaces across multiple disciplines and stakeholders. Support testing, commissioning and handover activities. Essential Experience Proven experience delivering railway SCADA...