Converge is making jobsites smarter by using the latest in artificial intelligence and sensor data collection. Our flagship product ConcreteDNA is a concrete data platform that gives real time concrete strength data and AI curing predictions, optimising the concreting cycle by up to 30%. It's powered by Converge Signal, an embedded concrete sensor system that transmits curing data to the cloud wirelessly.
This allows construction companies to strike earlier, maximise productivity, and plan their projects more efficiently.
Our Mission: To keep the world thriving on a planet with finite resources by driving sustainability and efficiency in the world’s largest industries.

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Focus: Mitigation or Adaptation

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Optimizing construction with AI for enhanced productivity and sustainability.

Want to work to decarbonise one of the world’s most important industries? Are you a great team player? Can you ship high-quality products faster than others think is possible? We’re looking for a Senior Systems Engineer who will do all these things and more. Come join us.<h3>And you want me to do what?</h3>We are seeking a Senior Systems Engineer with deep expertise in firmware development and embedded systems to join our team. In this role, you will define and specify interfaces between low-power embedded devices and cloud resources, ensuring seamless integration and optimal performance. You will also play a critical role in managing contractors, ensuring project timelines, quality, and technical alignment.This is an exciting opportunity to work on cutting-edge technology and drive system-level decisions in a fast-paced, innovative environment.<h3>Outcomes in the first 3 months</h3><ul> <li>You'll have picked up the design and test on an active, high priority program (&lt; month 1).</li> <li>You'll be supporting early stage OTS (off-the-shelf) and JDM (joint-development-model) programs. (~ month 2).</li> </ul>We are looking for sharp, intrinsically motivated people to join us on our mission to build the future more efficiently, safely, and sustainably.Responsibilities<ul> <li>Define and specify interfaces and communication protocols between low-power embedded devices and converged platforms.</li> <li>Design and review firmware architectures, ensuring efficiency, scalability, and maintainability.</li> <li>Collaborate with hardware, software, and cloud teams to ensure seamless system integration.</li> <li>Develop and maintain technical documentation, including system specifications, interface definitions, and design guidelines.</li> <li>Evaluate, select, and manage contractors for hardware development.</li> <li>Ensure contractor deliverables meet quality, schedule, and performance requirements.</li> <li>Lead technical reviews, troubleshoot complex system issues, and drive resolution across teams.</li> <li>Stay up to date with industry trends, best practices, and emerging technologies in embedded systems and firmware development.</li> </ul>Requirements<ul> <li>5+ years of experience in firmware development and embedded systems engineering.</li> <li>Strong system-level thinking and ability to bridge hardware, firmware, and software components.</li> <li>Experience working with wireless and IoT technologies.</li> <li>Previous experience specifying and managing contractor deliverables.</li> </ul>Nice to Haves:<ul> <li>Experience with ARM embedded systems and higher-level software stacks.</li> <li>Familiarity with LoraWan and BLE.</li> <li>Familiarity with battery-powered devices.</li> <li>Knowledge of security best practices in embedded systems.</li> <li>Experience with agile development methodologies.</li> <li>Compliance and type approvals for a Global market (CE, UKCA, FCC, IC, etc).</li> </ul>Benefits<ul> <li>Competitive salary of up to £65k.</li> <li>Collaborative, dynamic and hybrid work environment with a minimum of 3 days a week working with the wider Hardware team at Converge HQ in London Blackfriars.</li> <li>25 days + Bank Holidays. We also close the office between Christmas and New Year so you can spend more time with your loved ones. Additional benefits include : Company pension, Cycle to Work Scheme so you can help reduce emissions but still get from A to B easily.</li> <li>Social Committee and team events during the year so you can have a chance to learn more about the amazing people on our team.</li> <li>A fun, inclusive workplace that celebrates diversity in all its forms, and where everyone can bring their whole selves to work and be treated fairly, equitably and respectfully.</li> </ul>

Senior Systems Engineer

Want to work to decarbonise one of the world’s most important industries? Are you a great team player? Can you ship high-quality products faster than others think is possible? We’re looking for a Senior Hardware Engineer who will do all these things and more. Come join us.<h3>Ok, but actually, who even are you?</h3>Converge was founded by<a href="https://www.linkedin.com/in/rscheps/"> Raph</a> and<a href="https://www.gtf.io/"> Gideon</a> in late 2014 to help build the future of construction more efficiently, safely, and sustainably. We are currently very focussed on concrete, which accounts for 8% of global carbon emissions. We do this with two hardware-enabled SaaS products: ConcreteDNA and PrecastDNA. The team comes from all different countries and backgrounds, but we are all dedicated to building the future of construction more efficiently, safely, and sustainably.<h3>And you want me to do what?</h3>We are looking for a highly skilled Senior Firmware Engineer to join our team and play a key role in developing embedded systems for IoT products. The ideal candidate will have extensive experience with Zephyr RTOS, Bluetooth Low Energy (BLE), and LoRaWAN, with a proven track record of successfully taking products from design to mass manufacturing, to long term maintenance.<h3>Responsibilities:</h3><ul> <li>Design, develop, and optimise firmware for embedded systems using Zephyr RTOS. </li> <li>Implement and maintain BLE and LoRaWAN based communication protocols. </li> <li>Work closely with hardware engineers to integrate firmware with custom hardware platforms. </li> <li>Develop and execute unit tests, integration tests, and validation frameworks. </li> <li>Optimise power consumption and memory footprint for embedded devices. </li> <li>Troubleshoot and debug complex firmware issues using JTAG, oscilloscopes, logic analyzers, and protocol sniffers.</li> <li>Collaborate with cross-functional teams including software, hardware, and product management to define and deliver product requirements. </li> <li>Lead the firmware release cycle, including version control, documentation, and deployment for manufacturing.</li> <li>Support manufacturing and production testing, ensuring firmware stability and performance in high-volume production environments.</li> </ul>RequirementsFor this role, we have some specific asks:<ul> <li>5+ years of firmware engineering experience, with at least 2 years working with Zephyr RTOS. </li> <li>Proficiency in C/C++ for embedded development. </li> <li>Experience with ARM Cortex-M microcontrollers and associated toolchains. </li> <li>Solid understanding of embedded software development best practices, including version control (Git), CI/CD pipelines, and automated testing. </li> <li>Proven track record of shipping products from concept to high-volume manufacturing. </li> </ul>Nice to haves:<ul> <li>Expertise in Bluetooth Low Energy (BLE), including GATT, GAP, and power optimization techniques. </li> <li>Strong knowledge of LoRaWAN stack, including device provisioning, network architecture, and radio performance tuning. </li> <li>Experience working with DFU (Device Firmware Update) mechanisms and over-the-air updates. Familiarity with wireless certification processes (FCC, CE, etc.) and compliance testing. </li> <li>Experience with secure bootloaders, cryptographic protocols, and embedded security. </li> <li>Knowledge of sensor interfacing protocols (SPI, I2C, UART, CAN, etc.)</li> <li>Exposure to low-power design techniques for battery-operated devices. </li> <li>Experience with cloud integration and edge computing.</li> <li>Strong problem-solving skills and ability to work in a fast-paced environment. </li> </ul>Benefits<ul> <li>Competitive salary of up to £65k.</li> <li>Collaborative, dynamic and hybrid work environment with a minimum of 2 days a week working with the wider Hardware team at Converge HQ in London Blackfriars.</li> <li>25 days + Bank Holidays. We also close the office between Christmas and New Year so you can spend more time with your loved ones. Additional benefits include : Company pension, Cycle to Work Scheme so you can help reduce emissions but still get from A to B easily.</li> <li>Social Committee and team events during the year so you can have a chance to learn more about the amazing people on our team.</li> <li>A fun, inclusive workplace that celebrates diversity in all its forms, and where everyone can bring their whole selves to work and be treated fairly, equitably and respectfully.</li> </ul>

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Senior Systems Engineer

Senior Systems Engineer

Senior Firmware Engineer

Senior Firmware Engineer

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