Platform Software Engineer at Speechify | Bristol, United Kingdom

Speechify builds text-to-speech tools that help over 50 million people turn written content, PDFs, books, Google Docs, news articles, and websites, into audio. Our mission: reading should never stand in the way of learning. With products on iOS, Android, Mac, Chrome, and the web, Speechify has earned recognition including Chrome Extension of the Year from Go…

Role Overview Speechify is hiring an iOS Core Product Software Engineer in Bristol, UK. This role centers on building and refining the core iOS products that power Speechify’s mobile experience. The engineer will work closely with colleagues to deliver features that improve how users interact with the app. What You Will Do Design, develop, and maintain iOS applications as part of the core product team Work with cross-functional teams to deliver features and improvements Focus on enhancing user experience and implementing new product capabilities Location This position is based in Bristol, United Kingdom.

About Graphcore Graphcore is at the forefront of innovation in Artificial Intelligence computing, committed to developing cutting-edge hardware, software, and systems infrastructure that will catalyze the next wave of AI advancements and facilitate the widespread adoption of AI across various industries. As a proud member of the SoftBank Group, Graphcore is part of a distinguished family of companies that are shaping some of the most transformative technologies in the world. Together, we share an ambitious vision: to enable Artificial Super Intelligence while ensuring its benefits are available to all. Our teams comprise individuals from a multitude of backgrounds, fostering a rich environment of diverse skills and perspectives. The Graphcore culture emphasizes continuous learning and relentless innovation, supported by AI research specialists, silicon designers, software engineers, and systems architects. Job Summary We are seeking a Principal Software Architect to define and implement the architectural vision of the software stack for the Graphcore ML accelerator. In this pivotal role, you will shape our software ecosystem's architecture, maintaining a profound understanding of the product's hardware and software components, their interfaces, and their interactions. As an exceptional communicator, you will proactively articulate the software architecture and its implications. Your pragmatic approach to decision-making will take into account the critical trade-offs associated with architectural choices and their impact on product direction and engineering outcomes. The Team The software architecture team is tasked with defining, maintaining, and communicating the overarching architecture of our software stack, spanning from firmware to ML frameworks. Collaborating closely with engineering teams, we ensure alignment with this architectural vision. Responsibilities and Duties Define and document the software architecture of the stack. Collaborate across diverse software domains to ensure a cohesive end-to-end architecture. Effectively communicate the software architecture to engineering teams. Ensure teams grasp key architectural components, interfaces, and guiding principles. Continuously evolve the software architecture as the product develops, proactively communicating changes to all relevant stakeholders. Stay abreast of emerging trends and technologies in software architecture.

Join the Future of AI at GraphcoreAt Graphcore, we are at the forefront of AI compute innovation. Our dedicated team of semiconductor, software, and AI specialists possess extensive expertise in crafting a comprehensive AI compute stack, spanning silicon, software, and large-scale infrastructure.As a proud member of the SoftBank Group, we are supported by significant investment and are committed to delivering cutting-edge technology within the rapidly evolving SoftBank AI ecosystem.To address the expansive and exciting prospects within AI, Graphcore is actively expanding its global teams, uniting brilliant minds to tackle the most challenging problems. Here, every individual has the chance to influence our company, our products, and the future of artificial intelligence.Role OverviewAs a Senior System Software Engineer in Test, you will take charge of designing, developing, executing, and reporting on tests and test harnesses aimed at verifying and validating our firmware. You will collaborate with the development team from the initial phases to the final production software, ensuring comprehensive functionality coverage.Your role will involve working with various hardware configurations and closely collaborating with hardware, bring-up, and driver teams to ensure seamless firmware integration.As a senior member of the team, you will also mentor junior engineers, elevating the overall testing standards.The Firmware QA TeamOur Firmware QA team is responsible for validating the low-level software that handles the boot, configuration, and monitoring of Graphcore's silicon and hardware platforms. Key test areas include:Boot and power sequencingLow-level hardware interfaces and driversTelemetry, monitoring, and SMBus/BMC data exposureSilicon and system bring-upKey ResponsibilitiesDesign, implement, and deliver high-quality tests for complex firmware featuresSupport debugging and MTBF reduction for both internal and externally reported issuesTake QA ownership of key firmware featuresContribute to the continuous integration pipelineAssist in release testing and maintenance of the release pipelineEngage actively in technical discussions and team reviews.

Join our dynamic team at Speechify as a Senior Software Engineer specializing in Windows and desktop applications. In this role, you will leverage your extensive experience in software development to design innovative solutions that enhance user experience and performance. Collaborate with cross-functional teams to contribute to the full software development lifecycle, ensuring high-quality standards and timely delivery of projects.

Kaluza is looking for a Software Engineer II with a focus on front end development. This role is available in Bristol, Edinburgh, or London. Key responsibilities Collaborate with cross-functional teams to design and build features for Kaluza’s platforms. Develop responsive, high-performing user interfaces. Contribute to scalable applications that enhance the user experience. Work locations Bristol, England, United Kingdom Edinburgh, Scotland, United Kingdom London, England, United Kingdom

Join Graphcore: Pioneering AI ComputingAt Graphcore, we are at the forefront of developing the next generation of AI computing technology. As a team of semiconductor, software, and AI specialists, we are dedicated to building a comprehensive AI compute stack, ranging from silicon and software to large-scale datacenter infrastructure.As a proud member of the SoftBank Group, we benefit from substantial long-term investments, empowering us to deliver vital technologies within the rapidly growing SoftBank AI ecosystem. To harness the immense potential of AI, Graphcore is expanding its global teams, seeking the brightest minds to tackle the most challenging problems. Here, every individual has the opportunity to significantly impact our company, products, and the future of artificial intelligence.Your RoleAs a key member of our innovative Software Infrastructure team, you will play a crucial role in scaling and managing our infrastructure. Your expertise will be instrumental in developing vital tools and services that support our software teams. You will enhance the build, testing, deployment, and productization processes of our Machine Learning Software components, working with our high-performance computing (HPC) AI platforms, and gaining unparalleled experience in distributed systems.About the TeamThe Software Infrastructure team is responsible for providing essential platforms and services to software development teams across Graphcore. Our duties include managing the Continuous Integration (CI) platform, build engineering, component integration, and system packaging and release. We operate in squads, fostering a culture of ownership and empowerment among our engineers. Our focus is on long-term engineering solutions, striving to eliminate repetitive tasks and improve efficiency.

Job Title: Engineer II Location: London / Bristol / Edinburgh (Hybrid options available) Salary: £45,600 - £62,700 Team: Developer Experience Reporting To: Senior Software Engineering Manager This position is based in the UK and candidates must possess the right to work in the UK. Currently, we are unable to offer visa sponsorship for this position. Our commitment to building a diverse, global team is paramount, and our sponsorship policy is assessed on a role-by-role basis. Please check back on our careers site for future opportunities that may include visa sponsorship. Kaluza is revolutionizing the energy sector with our Energy Intelligence Platform, simplifying the complexities of energy management. We assist energy companies in addressing contemporary challenges while propelling the transition to a sustainable, electrified future. Our platform facilitates millions of real-time decisions across households, devices, markets, and grids. By integrating predictive algorithms with user-centric design, Kaluza ensures that clean energy is reliable, affordable, and seamlessly integrates into daily life. With teams spread across Europe, North America, Asia, and Australia, and a joint venture with Mitsubishi Corporation in Japan, we empower leading companies such as OVO, AGL, and ENGIE, alongside innovators like Volvo and Volkswagen. Where will I be working? You will be part of the Developer Experience (DevEx) team within our expansive Kaluza Technology community. Our team comprises a diverse group of data-driven and product-oriented Software and Production Engineers who are at the forefront of technological innovation and operate at an impressive scale. Together, we pursue engineering excellence by implementing best practices throughout the community. In this role, you will be instrumental in designing and enhancing our Internal AI Engineering Platform. Your responsibilities will include creating the infrastructure—from Model Context Protocol (MCP) servers to collaborative workflows—that enables our software teams to operate more efficiently and securely. Your contributions will significantly influence Kaluza's ability to eradicate defects, enhance productivity, and set the benchmark for AI-driven development. Our tech stack is dynamic, and you may work with: AWS, Kubernetes, LLMs (Claude, GPT, etc.), MCP servers, LangChain/LangGraph, and contemporary monitoring tools.

AND Digital works with organizations to strengthen their digital capabilities. The team combines expertise in technology, business strategy, software development, and product management to help clients address complex challenges and close digital skills gaps. Creative thinkers and technologists who value real transformation are central to the company's approach. Role overview This Lead Backend Principal Engineer (Java) role is based in Bristol and sits within a group of over 80 professionals, with 30-40 developers ranging from Associate to Technical Lead. The position shapes technical direction for both AND Digital and its clients, balancing hands-on engineering with strategic influence. Main responsibilities Begin in a fully billable, hands-on engineering capacity. As the team grows, transition toward strategic consulting, focusing on client development and project turnaround. Work to secure new clients by addressing their technology challenges with practical and creative solutions. Define and lead the engineering vision, ensuring alignment with Club Executive strategy and client needs. Mentor developers across all levels, supporting their growth through direct involvement in projects. Establish and uphold coding standards across client projects. Provide technical leadership on complex engineering tasks, collaborating closely with Product Developers and Technical Leads. Foster a culture of inclusivity and diversity within the team and champion these values in client work. Support project delivery by aligning technical strategy with client requirements and contribute to resource planning during discovery phases. Work with the Consulting team to help shape AND Digital’s technology proposition and contribute to Thought Leadership efforts. Location Bristol, England, United Kingdom

About Graphcore Graphcore stands at the forefront of innovation in Artificial Intelligence computing, developing groundbreaking hardware, software, and systems infrastructure that will pave the way for transformative AI advancements. Our mission is to facilitate the widespread adoption of AI solutions across diverse industries. As a proud member of the SoftBank Group, Graphcore is part of a visionary family of companies that are shaping some of the most revolutionary technologies of our time. Together, we aspire to make Artificial Super Intelligence beneficial and accessible to all. Our teams are a rich tapestry of diverse backgrounds, encompassing AI research experts, silicon designers, software engineers, and system architects. At Graphcore, we foster a culture of continuous learning and relentless innovation. Job Summary We are seeking a visionary Director of Software Architecture to spearhead the architectural strategy for our software stack, specifically for the Graphcore ML accelerator. In this pivotal role, you will lead a dynamic architecture team responsible for defining the software architecture of our innovative products. As a thought leader and advocate for our long-term technical vision, you will engage with project stakeholders, external partners, and customers to ensure clear alignment and communication. Your exceptional communication skills will be crucial as you proactively convey architectural decisions and adaptations as our product evolves. The Team The software architecture team is tasked with defining, maintaining, and articulating the overarching architecture of our software stack, which spans firmware and ML frameworks. This team collaborates closely with engineering teams to deliver on our architectural vision. Responsibilities and Duties Articulate the long-term technical vision and strategy for the software architecture. Establish processes and procedures for defining, agreeing upon, and maintaining the software architecture. Champion our long-term technical vision across the organization. Promote user experience to ensure the software architecture results in an intuitive software stack. Identify and manage technical and project-level architectural risks. Collaboration with engineering, product, leadership, and partners to ensure alignment with business objectives.

At Spruce, we are driven by our commitment to revolutionize home energy in the UK, making it accessible and affordable for every household to be powered by clean electricity. Our primary customers are installers, who are leading this critical transition but have historically faced challenges with outdated and inefficient software.Having launched in early 2024, we have experienced remarkable growth, securing multiple rounds of funding from prestigious venture capital firms, and now proudly support over 500 heat pump installation businesses across the UK.We are seeking a remarkable Lead Full Stack Engineer to accelerate our progress and broaden our impact as we venture beyond heat pumps.About SpruceWe tackle one of the most challenging yet essential aspects of the home energy transition: replacing traditional boilers with innovative heat pumps. With nearly 20% of the UK's carbon emissions stemming from home heating, transitioning away from gas and oil boilers is vital for reaching net zero. Heat pumps stand out as the only scalable solution, capable of converting 1kW of electricity into an impressive 4kW of heat ().However, the installation process remains cumbersome, fragmented, and excessively manual, which inflates costs for homeowners, hampers the growth of installation businesses, and complicates urgent replacements when a boiler fails.We are addressing this challenge with our comprehensive operating system designed specifically for heat pump installers. This system streamlines operations from initial inquiries through design, installation, compliance, and paperwork. Compared to leading alternatives, Spruce:Reduces the time installers spend on each job by half;Increases sales conversion rates twofold;Enhances quality, profit margins, and customer satisfaction.And this is just the beginning. With new investments and rising demand, we are expanding into the broader home renewable energy supply chain, supporting manufacturers and merchants alongside installers, and facilitating solar and battery installations in conjunction with heat pumps.Your RoleAs our Lead Full Stack Engineer, you'll blend hands-on technical expertise with team leadership and product strategy. You will continue to write significant portions of code, particularly for critical components, but your influence will grow as you define direction, remove obstacles, and elevate team performance.You will collaborate closely with engineers, designers, and product leaders to ensure we are constructing the right things, in the right way, and at the right time.

Role Overview Team: Procurement & Supply (Finance) Salary Range: £43,610 - £62,801 Location: Hub-based, with a preference for London or Bristol Experience Level: Mid-level Reports To: Senior Category Manager, Technology Sponsorship: Please note that we cannot offer sponsorship for this position. This Role in Three Words: Analysis, Relationships, Commercial Top Qualities for Success: Negotiator, Self-Solving, Entrepreneurial Work Environment: We expect hub-based employees to be in the office at least once a week and to attend OVO Connection events in person. Employees will be assigned to the nearest of our three hub offices, with a preference for Bristol or London. Each hub is equipped with accessible spaces designed to inspire collaboration and creativity. Inclusive Workplace: At OVO, we are dedicated to tackling one of humanity's greatest challenges: the climate crisis. We believe that diverse perspectives are essential for this mission, and we welcome individuals from all backgrounds and identities. Teamwork for Sustainability: Everything we do revolves around our Plan Zero initiative. Your role will be crucial in achieving our sustainability goals by managing the procurement strategy for Software while ensuring we partner with the right suppliers and manage risks effectively. Role Summary: We are seeking a skilled Category Manager to oversee the strategic management of the Software procurement category, supporting the Senior Category Manager. You will be responsible for developing category strategies, fostering supplier relationships, and managing procurement processes to maximize value and mitigate risks. Your efforts will align with OVO's Plan Zero goals, promoting sustainable and ethical sourcing practices while driving commercial success.

Join us at Spruce as we revolutionize the home energy landscape in the UK! Our mission is to simplify and make affordable the transition to clean, green electricity for every home. We empower installers, who are pivotal in this transformation, by providing innovative software solutions that combat the challenges of outdated systems.Since our inception at the beginning of 2024, we have experienced remarkable growth, securing multiple funding rounds from leading VCs and now supporting over 500 heat pump installation businesses across the UK. We are on the lookout for exceptional engineers of all levels to accelerate our journey as we branch out beyond heat pumps.About SpruceWe have taken on the most critical aspect of the home energy transition: replacing traditional boilers with cutting-edge heat pumps. With heating responsible for nearly 20% of the UK’s carbon emissions, a credible approach to reaching net zero emissions necessitates the replacement of gas and oil boilers. Today, heat pumps stand out as the only scalable alternative, boasting the incredible capability to convert 1kW of electricity into 4kW of heat ().However, the installation process is often slow, disjointed, and manual, raising costs for homeowners and hindering the growth of installation businesses. This is where we come in. We have developed a comprehensive operating system for heat pump installers, covering everything from initial inquiry to design, installation, compliance, and paperwork. Compared to existing solutions, Spruce:Reduces installation time by half;Doubles sales conversion rates;Enhances quality, profit margins, and overall customer experience.And this is just the beginning. With new investments and increasing demand, we are expanding our services across the entire home renewables supply chain, supporting manufacturers and merchants alongside installers, and enabling solar and battery installations along with heat pumps.The RoleIn this role, you will collaborate closely with a talented team of engineers, designers, and domain experts to build and scale the tools that drive the Spruce platform.Depending on your experience level, you may:Take ownership and deliver complex features from start to finish;Influence system architecture and technical direction;Mentor teammates and elevate the team's standards;Or, if you are earlier in your career, learn rapidly by tackling meaningful production challenges with significant ownership from day one.The challenges you will address are diverse and profound, including:Heat loss modeling and hydronic system design;2D and 3D floor-plan tools utilizing LiDAR and computer vision;Large-scale data ingestion and geospatial analysis;Offline-first, collaborative Progressive Web Apps (PWAs);Hardware integrations with Bluetooth measurement tools, sensors, and more.

Join AECOM as an Engineer or Senior Electrical Engineer specializing in distribution. In this role, you will be responsible for designing and implementing electrical systems that enhance our distribution capabilities. You will work collaboratively with a dedicated team of professionals, ensuring that projects meet the necessary standards and client expectations.As an expert in the field, you will oversee the technical aspects of project development, participate in client consultations, and contribute to innovative solutions that drive our success. Your experience and insights will be valued as you mentor less experienced engineers, helping to cultivate a culture of continuous improvement within our team.

Jobs for Humanity is hiring a Design Engineer in Bristol. This position centers on developing designs and solutions tailored to client requirements. The role involves working closely with colleagues across different teams to bring projects from initial idea through to delivery. Role overview The Design Engineer will contribute technical expertise and creativity to project work. Expect to participate in the full project cycle, from concept development through final implementation. Collaboration Collaboration is key in this role. You will work with professionals from various disciplines to ensure project goals are met and solutions are practical and effective.

Join Konecranes as an Apprentice Engineer, where you will embark on a hands-on journey in engineering, gaining invaluable experience and skills in a dynamic environment. As an integral part of our team, you will work closely with seasoned professionals, engage in challenging projects, and contribute to innovative solutions that enhance our services.

We are seeking a talented and motivated Structural Engineer to join our dynamic team at AECOM in Bristol. This role offers an exciting opportunity to work on a diverse range of projects, applying your engineering skills to create innovative and sustainable solutions.The ideal candidate will possess strong analytical and problem-solving abilities, with a passion for structural engineering and design. You will work closely with a dedicated team, contributing to the successful execution of projects from concept to completion.

Join our dynamic Release Engineering team at Kaluza as a Site Reliability Engineer. In this pivotal role, you will play a crucial part in enhancing our software development lifecycle by developing innovative engineering solutions that empower our software teams to deploy high-quality code efficiently. Your efforts will significantly boost engineering productivity through the optimization of testing, deployment, and release processes across all Kaluza engineering teams.

Join our dynamic team at Assystem as an Electrical Distribution Engineer based in Bristol. In this pivotal role, you will be responsible for designing and implementing electrical distribution systems to ensure efficient power delivery. You will work closely with multidisciplinary teams to develop innovative solutions that meet client specifications and industry standards.

Join Assystem as a Mechanical Configuration Engineer and be part of a dynamic team dedicated to delivering innovative engineering solutions. In this role, you will be responsible for developing and managing mechanical configurations, ensuring that all engineering specifications are met and maintained.We seek a proactive individual with a passion for engineering and a keen eye for detail. This position offers a unique opportunity to contribute to exciting projects while enhancing your professional growth.