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About the role: The Principal Thermofluids Engineer is responsible for the design, analysis and optimisation of advanced liquid-cooling solutions for high‑performance IT equipment, including CPUs, GPUs, FPGAs, ASICs, DIMMs, storage and networking hardware. The role ensures Iceotope’s systems deliver best‑in‑class thermal performance, energy efficiency and reliability, while enabling circularity and energy reuse in data centre and edge applications. What you’ll do • Own the end‑to‑end thermal and fluid design of novel liquid‑cooling solutions for high‑power IT hardware, from concept through to validation and deployment., • Specify and select internal components (heatsinks, cold plates, heat exchangers, pumps, valves, manifolds and hydraulic circuits) to achieve target temperatures, flow distribution and pressure drops., • Define and recommend external system components (CDUs, chillers, dry coolers, strainers, heat rejection units) so that Iceotope equipment receives coolant at the correct temperature, pressure, flow rate and quality., • Perform CFD and 1D system simulations (e.g. for immersion tanks, cold plates, manifolds and facility loops), including model setup, solution strategies, post‑processing and correlation with test data., • Provide technical leadership on fluid mechanics, heat transfer and liquid‑cooling technologies, acting as the go‑to subject matter expert for engineering, product and customer‑facing teams., • Work closely with Mechanical, Electronics, Systems and Manufacturing Engineering to integrate liquid‑cooling solutions into product designs, balancing performance, cost, manufacturability and serviceability., • Support the development of new dielectric cooling technologies, heatsinks, cold plates and system topologies to keep Iceotope at the forefront of direct‑to‑chip and immersion liquid‑cooling innovation., • Define test plans and support lab and field validation of thermal and hydraulic performance; use results to calibrate models and refine design rules and best practices., • Prepare high‑quality technical documentation, design reports, specifications and customer‑facing materials that clearly communicate system performance and design intent., • Act as a technical point of contact in customer and partner engagements, including data centre operators, hyperscalers, OEMs and technology partners., • Mentor and coach junior engineers in thermofluids, CFD methods, design processes and good engineering practices. What you’ll bring • Degree (or equivalent) in Mechanical Engineering or a closely related discipline, with Fluid Mechanics and Thermodynamics as core components; a higher degree or PhD in a relevant area is advantageous., • Extensive industrial experience (10+ years) working on heat transfer and fluid‑flow calculations, ideally in electronics, data centre, power, automotive, aerospace or similar high‑performance applications., • Deep understanding of convective and conductive heat transfer, boiling and phase‑change behaviour, and the key parameters that drive thermal performance across different materials and geometries., • Hands‑on experience with commercial CFD tools (3D and/or 1D) for thermal and flow simulations., • Track record of working effectively in multi‑disciplinary engineering teams, concise communication and a collaborative approach., • A pragmatic, delivery‑focused mindset: comfortable balancing theory and modelling with real‑world constraints, and able to make informed trade‑offs that support business and customer goals. Nice to have • Experience in electronics cooling, high‑density compute, data centres or telecoms infrastructure, particularly with immersion, cold‑plate or direct‑to‑chip liquid‑cooling technologies., • Proficiency with mechanical CAD (e.g. SolidWorks) for communicating and reviewing designs with the wider engineering team and suppliers., • Familiarity with dielectric fluids, two‑phase cooling, or other advanced cooling technologies used in next‑generation IT and power electronics., • Experience taking thermal designs from R&D into volume manufacture, including DFM considerations, supplier engagement and design validation/qualification., • Exposure to controls, monitoring and diagnostics for cooling systems (e.g. sensors, flow/pressure/temperature monitoring, alarms and control logic)., • Demonstrated thought leadership in thermofluids (e.g. publications, conference presentations, industry working groups or standards bodies). Why Iceotope? At Iceotope, you’ll be part of a forward-thinking team that is transforming the landscape of data center cooling. Our commitment to innovation and sustainability is at the heart of everything we do. Join us as we redefine the possibilities of IT infrastructure. Thermofluids / Thermodynamics / Fluid Mechanics / Heat Transfer

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS product—Spark Travel—at pace. You’ll join a smart, collaborative team that pushes each other to articulate and defend every architectural decision in pursuit of best‑in‑class software. Spark Travel itself is on a mission to drag the tailor‑made travel industry into the 21st century. Our cloud‑native platform unifies sales, supplier contracting, dynamic pricing, and on‑trip operations—everything from the first quote to the traveller’s safe return. The market is huge, the incumbents are slow, and we already have meaningful traction: roughly 35 customers and an accelerating sign‑up pace, a very healthy sales pipeline, and a roadmap brimming with genuinely novel features. With a fantastic existing team across engineering, product, customer success, marketing, and sales, we’re gearing up for hyper‑growth. We’re now looking for a detail-driven QA Analyst who’s passionate about ensuring that what ships actually works—beautifully, consistently, and reliably. 🌟 Your Impact 🔍 Be the guardian of quality. You’ll make sure what we deliver not only meets requirements, but feels intuitive and robust in real-world use. 🧭 Think beyond the checklist. You’ll question assumptions, explore edge cases, and ensure the user experience holds up under pressure. 🤝 Collaborate widely. You’ll work closely with developers, product managers, and designers to spot issues early and deliver seamless releases. 🚀 Help us scale confidently. Your testing and feedback will shape our ability to release faster while maintaining exceptional stability and usability. 🧭 Role Snapshot Junior / Mid QA Analyst Responsibilities • Verify application functionality against requirements / acceptance criteria., • Test usability, stability, and performance across the stack including Angular-based front-ends, API-based backends, and databases., • Perform root cause analysis on test failures and system issues., • Help develop and maintain automated test suites., • Work closely with Developers and collaborate cross-functionally with Product, Design, and Customer Success. Required skills • Manual testing of web-based systems., • API testing using tools such as Postman or Insomnia., • In-depth understanding of QA process and software development life cycle., • Understanding CI/CD pipelines such as Azure DevOps or GitHub Actions., • Working knowledge of SQL. Preferred skills • Experience of test automation platforms — ideally Playwright., • Knowledge of Angular and TypeScript/JavaScript., • Basic knowledge of cloud platforms — ideally Azure. You might be our Junior/Mid QA Analyst if… You have a 2:1 degree in Computer Science (or a related discipline) and 2+ years of hands-on experience testing web-based systems. You’re confident in manual and API testing, comfortable with basic SQL, and have a solid understanding of QA processes within modern software delivery environments. You’re curious, methodical, have great attention to detail, and take pride in ensuring that what ships is stable, usable, and robust. You’re keen to build on your experience by learning more about automation, CI/CD, and cloud-based platforms—and you value working in a collaborative environment where quality is a shared responsibility. 🎁 What We Offer • Competitive salary, equity options coming soon, • Remote‑first culture with asynchronous workflows, • Private healthcare, • Employer pension contributions above statutory, • Home‑office setup budget, • Coworking space allowance, • Flexible hours with async core overlap, • Professional‑development budget, • Conference & certification leave, • Choose‑your‑own‑tech toolkit, • Travel‑to‑London expenses for required in‑person meetings, • Collaborative and innovative company culture 📩 How to Apply • Send your CV., • Confirm you are currently living and legally able to work in the UK., • Share one testing challenge or issue you’ve uncovered, how you found it, and what impact your discovery made. Please note: We are only considering UK‑based applicants who fully meet the role criteria. Applications that do not comply will not be considered now or in future hiring rounds. Deadline: 15 February 2026 (rolling review—apply early). Spark Travel is an equal‑opportunity employer and a welcoming neurodiverse team. We celebrate diversity and are committed to creating an inclusive environment for all. We’re not just saying that, we really mean it!

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS product—Spark Travel—at pace. You’ll join a smart, collaborative team that pushes each other to articulate and defend every architectural decision in pursuit of best‑in‑class software. Spark Travel itself is on a mission to drag the tailor‑made travel industry into the 21st century. Our cloud‑native platform unifies sales, supplier contracting, dynamic pricing, and on‑trip operations—everything from the first quote to the traveller’s safe return. The market is huge, the incumbents are slow, and we already have meaningful traction: roughly 35 customers and an accelerating sign‑up pace, a very healthy sales pipeline, and a roadmap brimming with genuinely novel features. With a fantastic existing team across engineering, product, customer success, marketing, and sales, we’re gearing up for hyper‑growth. We’re looking for two down‑to‑earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. 🌟 Your Impact • Raise the bar sensibly. Whether you’re refining our Azure architecture as CTO or shipping revenue‑critical features as Senior Dev, you’ll set high standards without reinventing the wheel., • Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers., • Own the craft. Understand the problem, ship the solution, measure the outcome—and when something’s working, double‑down on it., • Move the needle. Your work will streamline the day‑to‑day of leading tailor‑made tour operators and DMCs—enhancing trip experiences for their travellers as we scale. 🧭 Role Snapshot 2️⃣ Senior Software Developer • Be UK‑based (remote within the UK) with ability to attend occasional team meet‑ups in London (travel expenses covered)., • Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB., • Own mission‑critical modules such as pricing engines, itinerary or form builders, client proposal app, etc., • Write clean, tested code; automate everything from CI/CD pipelines (Azure DevOps/GitHub Actions) to performance benchmarks., • Investigate and diagnose issues and perform root cause analysis., • Collaborate cross-functionally with Product, Design, and Customer Success., • Propose incremental improvements and occasionally explore new tech (e.g. Azure OpenAI) when it clearly solves a problem. You might be our Senior Dev if… - Hold a 1st-class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with technical excellence, and you’re keen to keep learning. 🎁 What We Offer • Competitive salary, equity options coming soon, • Remote‑first culture with asynchronous workflows, • Private healthcare, • Employer pension contributions above statutory, • Home‑office setup budget, • Coworking space allowance, • Flexible hours with async core overlap, • Professional‑development budget, • Conference & certification leave, • Choose‑your‑own‑tech toolkit, • Travel‑to‑London expenses for required in‑person meetings, • Collaborative and innovative company culture 📩 How to Apply • Send your CV., • Confirm you are currently living and legally able to work in the UK., • Share one project or decision you’re proud of, why it mattered, and what you learned. Please note: We are only considering UK‑based applicants who fully meet the role criteria. Applications that do not comply will not be considered now or in future hiring rounds. Deadline: 15th March 2026 (rolling review—apply early). Spark Travel is an equal‑opportunity employer and a welcoming neurodiverse team. We celebrate diversity and are committed to creating an inclusive environment for all. We’re not just saying that, we really mean it!

Title: Principal Forward Deployed Engineer – AI & Customer-Facing Technical Leader Location: Remote Travel: Customer visits 4–5 days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We’re looking for talented engineers to join our customer-facing AI practice, from Senior Forward Deployed Engineers through to Principal-level AI technical leaders. You’ll work directly with clients to uncover problems, build prototypes, and guide full AI-enabled solution lifecycles. This is a role for engineers who: • Enjoy building real software that makes a difference, • Are passionate about AI and its practical application, • Thrive at the intersection of technical leadership and client engagement What You’ll Do Customer-Facing Leadership • Lead discovery workshops with technical and business stakeholders, • Represent the organisation’s technical capabilities in high-stakes client meetings, • Build and iterate working AI prototypes quickly, • Architect scalable, maintainable systems from prototype to production, • Guide engineers through technical delivery, code reviews, and architectural discussions, • Elevate team capabilities through knowledge sharing, mentoring, and internal workshops, • Implement AI solutions leveraging LLMs, foundation models, and retrieval-augmented generation (RAG) systems, • Design evaluation frameworks addressing bias, hallucination detection, and business impact, • Explore novel AI applications while integrating traditional ML techniques where appropriate Who We’re Looking For For Senior Engineers: • 5–8+ years building robust, scalable software systems, • Full-stack development capability across modern technologies, • Client-facing experience or technical consulting skills, • 8+ years delivering complex, enterprise-grade software, • Proven AI/ML expertise with production deployment experience, • Advanced knowledge of transformer architectures, foundation models, and prompt engineering, • Senior stakeholder engagement experience and ability to lead high-level AI strategy

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people who enhance team capability and build roles around each team member's skills and interests. Offensive Security Engineer Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people who enhance team capability and build roles around each team member's skills and interests. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are continually learning and taking opportunities to grow our careers and ourselves. We challenge each other to stretch beyond our past to build our future. You can learn more about us by visiting ___. Are you interested in building large-scale distributed security systems and tools for the cloud? Do you love the idea of working in an environment with the excitement of a start-up, but the financial backing of a Fortune 100 company? This role offers huge upside potential, high visibility, and fast career growth without the risks of a typical start-up. We are growing fast, maturing, and working on results-oriented initiatives. A security-focused leader can have significant technical and business impact. This is a unique opportunity to work with smart people to solve complex problems in distributed systems, security, and multi-tenant Infrastructure-as-a-Service (IaaS) operating at massive scale. The biggest challenges for the team is the dynamic and fast growth of the business, driving us to improve our systems, tools, and automation to scale to our security expertise several orders of magnitude greater than what we can support today. We understand that software is living and needs investment. The challenge is making the right tradeoffs, communicating those decisions effectively, and crisp execution. We hope you like working at scale as much as we do because Oracle has no shortage of it! Craft the future of one of the largest clouds on earth with us! Our ideal candidate is a hardworking and hands-on engineer who cares about security and improves their knowledge every day. We're looking for hands-on cloud hackers with expertise and passion in identifying and exploiting complex security problems in distributed, multi-tenant services and infrastructure. We operate distributed systems at a high scale, worldwide. These are the foundations of our cloud environment. Our customers run their businesses on our cloud, and our mission is to provide them with a best-in-class and ever-expanding set of cloud-based services. A security-focused engineer at any level can have significant technical and business impact. Come shape the future of one of the largest clouds on earth with us. To get you excited, here is a list of some of the projects over the last year this team has worked on: • Big iron - ExaLogic, ExaData, UltraSPARC, InfiniBand, • Firmware reverse engineering of various hardware components, • Developing custom fuzzing platforms for code-coverage analysis, • Several different hypervisors, • Linux and Windows kernel mode non-sense Responsibilities • You enjoy diving into complex source code audits to reveal subtle security vulnerabilities, • Writing new tools such as fuzzers in languages such as C/C++, Python, Ruby, Go or Java,, • Tearing apart an undocumented file format or network protocol, • Coming up with novel techniques to solve unique and interesting security problems, • Review new services, including their integration points with existing services, • Guide security projects beyond the scope of performing assessment work, • Identify and disclose vulnerabilities to 3rd party vendors, • Design complex systems and services that improve quantity or quality of offensive security output, • You'll reviews new features of moderate complexity in existing systems, identifying areas of new risk created; work with service teams to explore and recommend mitigations; and collaborate across service teams and security stakeholders., • Review new services, including their integration points with existing services, • Guide security projects beyond the scope of performing assessment work: identifying and disclosing vulnerabilities to 3rd party vendor or design of complex systems and services that improve quantity or quality of offensive security output, • You'll drive organization wide improvement in the form of engineering practices, security architecture, operation practices or development practices., • 6+ years of experience in vulnerability discovery / security engineering / application security, • Threat modeling experience of microservice architectures, • Experience working in a large cloud or software company, • Extensive research or experience with multiple classes of security bugs, • Evidence of contribution to the security community in the form of conducting training / thought leadership / conference talks / publications, • Improve security throughout the organization, identifying areas of risk or opportunities for improvement and piloting them, • Be a subject matter expert in at least one business-critical area (e.g. cryptography, hardware security, operating systems, authentication protocols, fuzzing, DoS mitigation, networks, distributed systems), • Collaborative track record working between internal teams and external organizations, • Excellent organizational, verbal and written communication skills, • Intermediate knowledge of Linux OS Internals, • Undergraduate or Graduate degree in Electrical Engineering, Computer Science, or another related field or equivalent work experience., • Hands-on experience developing services on a public cloud platform (e.g., AWS, Azure, Oracle), • Building continuous integration/deployment pipelines with robust testing and deployment schedules, • Experience working with internal customers and translating requests into prioritized work or features, • Expertise in applying risk identification techniques to develop security solutions, • Experience and understanding of Cryptographic algorithms, standards, implementation and application, • Experience and understanding of threat modeling, penetration testing, reverse engineering and attacks on software, • Experience working with large enterprise customers

Senior / Staff Machine Learning Engineer - Gaming London – Hybrid Competitive Salary + Benefits About the Role Our client is a global, technology-led organisation operating at the intersection of machine learning, computer vision, and interactive entertainment. They are investing heavily in advanced R&D to transform how quality assurance is done at scale. This role sits within a research-focused engineering team developing cutting-edge anomaly and glitch detection technology used across multiple stages of product development — from early builds through to large-scale testing and certification. The work has real-world impact, improving product quality for millions of end users globally. You’ll operate at Senior / Staff level, shaping technical direction, driving innovation, and contributing to both applied research and production-ready systems. Key Responsibilities • Designing, developing, and deploying novel machine learning models for anomaly and glitch detection, • Leading research workstreams and contributing to publications, patents, and internal knowledge sharing, • Working closely with cross-functional teams to productionise ML systems at scale, • Mentoring and guiding junior engineers and researchers, • Communicating complex technical concepts clearly to both technical and non-technical stakeholders, • Prototyping new ideas quickly to evaluate performance and feasibility Your work will focus on delivering high-impact ML solutions, including: • Anomaly detection applied to video, gameplay, and QA data, • Computer vision and video stream analysis, • Research-led ML systems transitioning into real-world production environments, • Scalable, high-performance ML pipelines What We’re Looking For • Strong academic background (Master’s or PhD preferred, or equivalent experience), • 5+ years’ experience delivering ML solutions from research through to deployment, • Strong Python skills and experience with PyTorch, TensorFlow, or similar frameworks, • Deep understanding of machine learning, data analysis, and statistical modelling, • Experience in anomaly detection, computer vision, or applied ML research, • A track record (or strong interest) in publishing, patents, or conference participation, • Strong communication skills and a collaborative mindset, • An interest in gaming or interactive technology is highly beneficial If this role looks of interest, please apply here!

Full-time | Remote with trips to Silicon Valley office | Reports to Founders Introduction: • Join us at Fastino as we build the next generation of LLMs. Our team, boasting alumni from Google Research, Apple, Stanford, and Cambridge is on a mission to develop specialized, efficient AI., • Fastino's GLiNER family of open source models has been downloaded more than 5 million times and is used by companies such as NVIDIA, Meta, and Airbnb, • Fastino has raised $25M (as featured in TechCrunch) through our seed round and is backed by leading investors including Microsoft, Khosla Ventures, Insight Partners, Github CEO Thomas Dohmke, Docker CEO Scott Johnston, and others. What You’ll Work On: • Experiment with novel language model architectures, helping drive and execute Fastino's research roadmap, • Optimize Fastino’s multimodal models to improve response quality, instruction adherence, and overall performance metrics, • Architect data processing pipelines, implementing filtering, balancing, and captioning systems to ensure training data quality across diverse content categories, • Implement reinforcement learning techniques including Direct Preference Optimization and Generalized Reward Preference Optimization to align model outputs with human preferences and quality standards, • Build robust and real-world motivated evaluations, • Partner with Fastino engineering team to ship model updates directly to customers, • Establish best practices for code health and documentation on the team, to facilitate collaboration and reliable development What We’re Looking For: • Required - Great velocity for building and shipping agents / AI products., • Optional - Advanced degree (Master's or PhD) in Computer Science, Artificial Intelligence, Machine Learning, or related technical discipline with concentrated study in deep learning and computer vision methodologies, • Optional - Demonstrated ability to do independent research in Academic or Industry settings, • Optional - Substantial industry experience in large-scale deep learning model training, with demonstrated expertise in at least one of Large Language Models, Vision-Language Models, Diffusion Models, or comparable generative AI architectures, • Optional - Comprehensive technical proficiency and practical experience with leading deep learning frameworks, including advanced competency in one of PyTorch, JAX, TensorFlow, or equivalent platforms for model development and optimization

Job Description Novel Cycles Engineer Derby - Moor Lane Rolls-Royce Future Technology wishes to recruit a Novel Cycles Engineer with skills in thermodynamic cycles design and performance modelling with application to the critical assessment of new and novel power generation and gas turbine cycles. A

Due to continued growth our sector leading client are looking for a Quality & Compliance Manager to ensure the manufacturing site complies with all relevant regulatory, safety, environmental, and quality standards.The successful candidate will lead audits, maintain certifications, and drive continuo

Optiver is looking for a Software Engineer to join our Novel Trading Opportunities team, who are responsible for conceptualising and bringing to life the solutions needed to achieve our ambitious business goals.

Electro-Mechanical Maintenance Technician needed for our Stoke on Trent based client.You will be responsible for the maintenance, troubleshooting, and repair of both mechanical and electrical systems in a manufacturing and production environment.Required skills & Qualifications:Diagnostics & Trouble

Novel Cycles Engineer page is loaded## Novel Cycles Engineerlocations: Derbytime type: Full timeposted on: Posted Todayjob requisition id: JR6135687## Job DescriptionNovel Cycles EngineerDerby - Moor LaneRolls-Royce Future Technology wishes to recruit a Novel Cycles Engineer with

Rolls-Royce Future Technology wishes to recruit a Novel Cycles Engineer with skills in thermodynamic cycles design and performance modelling with application to the critical assessment of new and novel power generation and gas turbine cycles. You will help provide underpinning scientific understandi

A prominent market maker in Greater London seeks a Software Engineer to join their Novel Trading Opportunities team.

A leading power systems company based in Derby is seeking a Novel Cycles Engineer to assess and model new and advanced thermodynamic cycles for power generation technologies.

Optiver is looking for a Software Engineer to join our Novel Trading Opportunities team, who are responsible for conceptualising and bringing to life the solutions needed to achieve our ambitious business goals.