CLOUD & INFRASTRUCTURE

Data Center Operations Engineer — Key Requirements Location: Dallas–Fort Worth, USA (on-site)   Role Overview Hands-on role responsible for operating and maintaining high-performance computing (HPC) and AI infrastructure, with a particular focus on GPU-based systems. The priority is keeping GPU hardware running reliably, resolving failures quickly, and deploying new equipment.   Key Responsibilities Install, maintain, and troubleshoot NVIDIA GPU servers and HPC infrastructure. Diagnose hardware failures and respond to monitoring alerts to minimize downtime. Perform firmware updates, component replacements, and hardware repairs. Support high-performance networking and storage connected to GPU compute systems. Manage hardware assets, spare parts, vendor support, and RMAs. Support new hardware deployments and data center expansions. Investigate incidents, identify root causes, and improve monitoring and automation. Participate in a 24/7 on-call rotation. Travel across North America to support new data center deployments.   Required Experience 3+ years of experience in data center operations, hardware engineering, or HPC infrastructure. Hands-on experience with NVIDIA GPU servers or equivalent high-performance computing systems. Strong server hardware troubleshooting skills, including firmware management and component replacement. Experience with high-performance networking and storage. Understanding of HPC and AI workloads. Experience maintaining hardware availability in a production environment. Preferred Experience Experience with NVIDIA HGX systems. Supermicro or Dell HGX hardware certifications or training. Experience with greenfield data center deployments. Knowledge of cooling, power distribution, and data center infrastructure. Networking or hardware certifications; ITIL knowledge. Ideal Candidate A technically strong, hands-on hardware engineer with genuine GPU infrastructure experience who can troubleshoot complex failures, maintain uptime, and support the deployment of large-scale AI infrastructure.

IT Support Engineer Location: Norwich, UK | Office-based, Monday–Friday About the Opportunity We’re working with an established, growing business looking for an IT Support Engineer to join its internal IT team. This is an opportunity to work in a fast-paced environment, supporting business-critical systems and helping improve the technology and tools employees rely on every day. You’ll be part of a collaborative team where you can contribute to IT improvements, streamline processes, and develop your technical expertise across a range of systems and technologies. The Role As an IT Support Engineer, you’ll provide technical support across the business, troubleshooting issues, maintaining systems, and ensuring employees have the technology they need to work effectively. The role combines hands-on IT support with opportunities to get involved in system administration, software and hardware deployments, and task automation. You’ll work closely with the wider IT team to maintain secure, reliable systems and continuously improve the user experience. Key Responsibilities Provide technical support across Microsoft Entra ID, Microsoft Intune, Zoom, and other business applications. Configure, deploy, and maintain hardware and software. Use PowerShell or other scripting languages to automate routine tasks and improve efficiency. Investigate and resolve technical issues, from everyday user queries to more complex configuration problems. Collaborate with system administrators and IT colleagues to implement new technologies and improve existing systems. Document technical issues, solutions, and processes to support knowledge sharing and future troubleshooting. Carry out system audits, updates, and upgrades to maintain security and performance. Help employees use IT systems effectively and follow security best practices. What We’re Looking For Previous experience in IT support, technical support, or a similar role. Strong troubleshooting and problem-solving abilities. Experience with Microsoft Entra ID and Intune, alongside familiarity with Zoom or similar collaboration tools. Knowledge of PowerShell or another scripting language, ideally with experience automating routine tasks. Excellent communication skills and the ability to support users with varying levels of technical knowledge. The ability to manage competing priorities and work effectively under pressure. A proactive mindset, with a willingness to learn new technologies and develop your technical skills. What’s on Offer? The opportunity to join an established and growing business. A collaborative working environment where your ideas and contributions are valued. Employer-matched pension contributions of up to 7.5%. 25 days of annual leave, plus UK bank holidays. Enhanced sick pay following probation. Employee Assistance Programme, including mental health support and 24/7 GP access. Interested? If you’re an IT Support Engineer looking for your next opportunity in Norwich, we’d love to hear from you.

Technical Solutions Consultant – AdTech/Digital Advertising Start Date: ASAP Duration: 12-month contract Location: Remote (UK) Daily Rate: £275 - £350 per day PAYE (Negotiable) The Opportunity We are looking for a Technical Solutions Consultant to join an established organisation operating within the digital advertising and technology sector. This is an excellent opportunity for someone with experience in digital advertising, AdTech and technical troubleshooting to support advertising technologies, resolve technical challenges and work closely with internal teams and external clients. You'll play a key role in investigating technical issues, identifying solutions and providing guidance on advertising platforms and integrations. You don't need to be a developer, but you should be technically confident, understand online advertising technologies and be comfortable discussing technical issues with engineering teams. Key Responsibilities Investigate and resolve technical issues across digital advertising platforms and technologies. Troubleshoot advertising integrations, tracking solutions, APIs and measurement tools. Work with clients, internal stakeholders and technical teams to diagnose and resolve issues. Investigate bugs, reproduce technical problems and escalate complex cases where necessary. Manage technical support tickets, ensuring timely resolution and service quality. Provide technical guidance and recommendations to clients and internal teams. Identify opportunities to improve technical support processes and workflows. Key Requirements 3+ years' experience within digital advertising, AdTech, online marketing technology or a related environment. Previous experience working for an advertising technology provider, digital agency or advertiser. Strong understanding of online advertising concepts, technologies and industry practices. Confidence discussing technical issues with developers and software engineers. Understanding of APIs, integrations and technical troubleshooting. Ability to investigate and debug basic code, with familiarity with HTML, JavaScript and HTTP. Strong analytical, problem-solving and communication skills. Experience managing technical support cases, troubleshooting or escalations. Desirable Skills Experience working with online advertising platforms and advertising technologies. Knowledge of advertising pixels, conversion tracking, measurement and ad delivery. Front-end web technologies, including HTML, CSS and JavaScript. Experience with SQL, REST APIs or data analysis. Previous client-facing experience in technical support, advertising operations or solutions consulting. Why Apply? Join an established organisation within the digital advertising and technology sector. Gain exposure to a variety of advertising platforms and technical solutions. Work collaboratively with experienced technical and commercial teams. Develop your expertise across advertising technologies, integrations and troubleshooting. Apply Now! If you have experience in digital advertising or AdTech, enjoy solving technical problems and are confident communicating with both clients and engineers, we'd love to hear from you. Apply today for immediate consideration!

Role Title:  Number of vacancies:    Backend Engineer / Product Engineer Backend engineering is the immediate priority. Applied AI graduate candidates also welcomed (need to qualify more) Initially 2–3 hires, with scope to expand the partnership based on candidate quality.  Location: WFH Policy: Relocation: Right to work:   San Francisco. Exact office location and any flexibility to be confirmed. Visa sponsorship available for exceptional candidates. Specific visa routes to be confirmed. To be confirmed. Candidates must be comfortable with an intensive startup environment, including occasional weekend work About Wajo:   Wajo builds proactive, selflearning action agents that go beyond recommendations and complete real-world tasks. Fo (core product), their first consumer agent, can book appointments, coordinate vendors, handle travel changes, place orders, and also hire agenthuman teams to do things it can’t. Teams can also build agents for business operations and customer care. Earlystage AI company led by Shivani, whose background includes engineering leadership at Google DeepMind. The team includes engineers from Google, Amazon and other leading technology companies. The company is expanding its engineering team and targeting exceptionally strong, handson engineers. Funding is in place, although the amount, stage and details were not disclosed.   Role responsibilities:   Build and ship backend systems and product features, taking ownership from initial requirements through launch. Develop infrastructure that supports the company’s next stage of growth. Solve technical problems independently and deliver quickly. Maintain a strong focus on security and protecting customer information. For product engineering hires, develop a deep understanding of the product and contribute to user growth. Specific projects, deliverables and first 30/60/90day expectations to be confirmed.   Team Structure: Reporting Lines:     Flat engineering organisation with substantial individual ownership. To be confirmed. Rianna Zhou, Chief of Staff, is the initial recruitment contact. Shivani conducts the final founder interview. Essentials skills & experience:    Exceptional handson engineering ability, with strong coding, problem-solving and technical reasoning. Ability to own substantial features or systems independently, end to end. Strong backend and infrastructure capability for the immediate priority hires. Golang experience, engineers can interview in whatever language they like but must use Golang when joining High drive, speed of execution and comfort with startup ambiguity and workload. Security awareness and care for customer data. Ability to demonstrate technical depth in interviews, beyond an impressive CV. Desirable skills & experience:     Experience building and operating systems at significant scale. The founding engineering team specifically highlighted this preference. Experience combining strong engineering standards from Big Tech with startup pace and ownership. Earlystage or founding engineering experience. Strong academic background from a leading university, although this is not a requirement. Applied AI experience. Product judgement and experience building features that support user growth. Salary:   Not disclosed. Rianna described compensation as highly competitive among startups, with internal guidelines based on candidate level. Sell of the role:   Work directly with Shivani, whose background includes Google DeepMind engineering leadership. Join one of the most ambitious technically teams with experience at leading technology companies. Take substantial ownership of features, infrastructure and launches. Help shape an earlystage AI product as the business scales. Competitive startup compensation and equity. Fast interview process, potentially reaching an offer within one week. Interview process: Submission process:   Initial screening with Rianna. Coding / algorithms interview, described as LeetCodestyle. Infrastructure / system design assessment and further technical or product deep dive, tailored to the role. Final founder interview with Shivani. Typically 2–3 technical interviews between the initial screen and founder conversation. Interviews may be approximately 30 minutes each and can be grouped on the same day. Strong candidates may receive an offer within one week. Candidates can use their preferred coding language. AI tool usage and any onsite or work-trial requirement to be confirmed. The process remains flexible as the company develops its hiring approach.   Submit qualified CVs to Rianna with a concise overview covering technical achievements, suitability, motivation and practical requirements. A shared Slack channel was agreed as the communication route. Start date:   Hiring is urgent. Individual start dates depend on candidate availability and notice periods. Terms and partnership type agreed:   25% contingent Role Title:  Number of vacancies:    Backend Engineer / Product Engineer Backend engineering is the immediate priority. Applied AI graduate candidates also welcomed (need to qualify more) Initially 2–3 hires, with scope to expand the partnership based on candidate quality.  Location: WFH Policy: Relocation: Right to work:   San Francisco. Exact office location and any flexibility to be confirmed. Visa sponsorship available for exceptional candidates. Specific visa routes to be confirmed. To be confirmed. Candidates must be comfortable with an intensive startup environment, including occasional weekend work About Wajo:   Wajo builds proactive, selflearning action agents that go beyond recommendations and complete real-world tasks. Fo (core product), their first consumer agent, can book appointments, coordinate vendors, handle travel changes, place orders, and also hire agenthuman teams to do things it can’t. Teams can also build agents for business operations and customer care. Earlystage AI company led by Shivani, whose background includes engineering leadership at Google DeepMind. The team includes engineers from Google, Amazon and other leading technology companies. The company is expanding its engineering team and targeting exceptionally strong, handson engineers. Funding is in place, although the amount, stage and details were not disclosed.   Role responsibilities:   Build and ship backend systems and product features, taking ownership from initial requirements through launch. Develop infrastructure that supports the company’s next stage of growth. Solve technical problems independently and deliver quickly. Maintain a strong focus on security and protecting customer information. For product engineering hires, develop a deep understanding of the product and contribute to user growth. Specific projects, deliverables and first 30/60/90day expectations to be confirmed.   Team Structure: Reporting Lines:     Flat engineering organisation with substantial individual ownership. To be confirmed. Rianna Zhou, Chief of Staff, is the initial recruitment contact. Shivani conducts the final founder interview. Essentials skills & experience:    Exceptional handson engineering ability, with strong coding, problem-solving and technical reasoning. Ability to own substantial features or systems independently, end to end. Strong backend and infrastructure capability for the immediate priority hires. Golang experience, engineers can interview in whatever language they like but must use Golang when joining High drive, speed of execution and comfort with startup ambiguity and workload. Security awareness and care for customer data. Ability to demonstrate technical depth in interviews, beyond an impressive CV. Desirable skills & experience:     Experience building and operating systems at significant scale. The founding engineering team specifically highlighted this preference. Experience combining strong engineering standards from Big Tech with startup pace and ownership. Earlystage or founding engineering experience. Strong academic background from a leading university, although this is not a requirement. Applied AI experience. Product judgement and experience building features that support user growth. Salary:   Not disclosed. Rianna described compensation as highly competitive among startups, with internal guidelines based on candidate level. Sell of the role:   Work directly with Shivani, whose background includes Google DeepMind engineering leadership. Join one of the most ambitious technically teams with experience at leading technology companies. Take substantial ownership of features, infrastructure and launches. Help shape an earlystage AI product as the business scales. Competitive startup compensation and equity. Fast interview process, potentially reaching an offer within one week. Interview process: Submission process:   Initial screening with Rianna. Coding / algorithms interview, described as LeetCodestyle. Infrastructure / system design assessment and further technical or product deep dive, tailored to the role. Final founder interview with Shivani. Typically 2–3 technical interviews between the initial screen and founder conversation. Interviews may be approximately 30 minutes each and can be grouped on the same day. Strong candidates may receive an offer within one week. Candidates can use their preferred coding language. AI tool usage and any onsite or work-trial requirement to be confirmed. The process remains flexible as the company develops its hiring approach.   Submit qualified CVs to Rianna with a concise overview covering technical achievements, suitability, motivation and practical requirements. A shared Slack channel was agreed as the communication route. Start date:   Hiring is urgent. Individual start dates depend on candidate availability and notice periods. Terms and partnership type agreed:   25% contingent

Senior DevOps Engineer (AI Infra) Remote UK Job Role As a Senior DevOps Engineer, you’ll be a hands-on technical leader at the heart of our engineering organisation, owning the design, delivery, and reliability of our most critical infrastructure. You’ll drive the automation and continuous improvement of our deployment pipelines, cloud and bare metal environments, and Kubernetes-based orchestration layer — ensuring our platform scales reliably to support high-performance AI and GPU workloads. You’ll set the standard for engineering excellence, partnering with Platform, SRE and Product Engineering teams to align on strategy, shape technical direction, and embed a true DevOps culture across the organisation. Championing infrastructure as code, observability, and a bias toward automation at every layer of the stack, you’ll influence design decisions and cross-team ways of working that raise the bar for how we build and operate systems at scale. What You’ll Do Design, build, and continuously optimise CI/CD pipelines in GitHub Actions to support fast, reliable, and repeatable software delivery. Own and evolve Infrastructure as Code practices using Terraform and Ansible, ensuring infrastructure is version-controlled, peer-reviewed, and consistently provisioned across dev, staging, and production. Manage and maintain hosted application environments, ensuring high availability, scalability, and smooth deployment of services into production. Partner closely with Go engineers to deeply understand their development workflows and release processes, identifying and removing friction points that slow delivery. Own and continuously improve the observability stack — from instrumenting services with logging, metrics, and tracing, to building dashboards, alerts, and runbooks that enable proactive detection and faster resolution. Measure and improve developer experience and productivity. Take responsibility for the continuous delivery pipeline for build and deployment. Streamline and standardise the release process for Go services, working with engineering teams to implement versioning strategies, automated testing gates, and progressive delivery patterns such as canary or blue-green deployments. Identify and eliminate bottlenecks across the software development lifecycle, reducing the time between a commit and a production deployment without compromising quality or stability. Champion a self-service DevOps culture, enabling development teams to own their deployments and operational concerns through well-designed tooling, documentation, and guardrails. What You Bring Proven experience in DevOps engineering and best practices. Deep understanding of Kubernetes, Helm and other containerisation-related tooling. Demonstrable scripting ability in Python, Shell and Ansible. Strong knowledge of branching and deployment strategies, including the use of Git-based version control. Experience with CI/CD workflows, observability, security and automation best practices. Why Join Us? What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive. Here are just some of the great things you can expect: 25 days of annual leave. A culture that emphasises results over hierarchy, process and ego: we place great emphasis on the quality, ingenuity and creativity of work. Open communication and regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together. Dedicated learning time to focus on new skills, projects or interests outside your day-to-day job. Health & wellbeing support, including private medical insurance. A cycle-to-work scheme, as part of our commitment to building a sustainable business. Subscription access to a variety of gyms and wellbeing apps. Participation in the company shares programme. Enhanced parental pay & leave.

Senior QA Engineer – Contract Position – HIRING ASAP Location: Dublin, Ireland – 2/3 days per week in office Start Date: ASAP Duration: 6 month contract with extension Daily Rate: €400 - €470 per day Summary   We are hiring a Senior QA Engineer (Contractor) to join a high-performing engineering team building real-time, high-availability payment systems. This is a hands-on role requiring strong technical depth, ownership, and the ability to improve quality from day one. The ideal candidate will bring strong experience across test automation, API testing, UI testing, integration testing, performance testing, SQL validation, mocking/stubbing, CI/CD, and production-quality engineering practices. They should be able to clearly demonstrate their technical decision-making with practical examples. Requirements   5+ years of professional experience in software testing / quality engineering. Strong experience in test automation for web applications, APIs, and distributed systems. Hands-on experience with: Java Cucumber REST API testing SQL Server / SQL TestNG Experience with: Postman WireMock / Mountebank or similar mocking / service virtualisation tools JMeter or other performance testing tools CI/CD tools such as Jenkins Version control such as Git / BitBucket Docker and Kubernetes Cloud platforms such as AWS, GCP, or Azure Elastic / Kibana or equivalent monitoring / log analysis tools Responsibilities   Design, develop, and maintain scalable automated test frameworks and test suites for web, API, and service-based applications. Own testing activities across the full SDLC: requirements analysis ? test design ? automation ? execution ? defect management ? release validation. Build and maintain robust automated regression coverage for API, integration, and end-to-end workflows. Validate quality in low-latency, highly available systems with a strong focus on stability, accuracy, and production readiness. Collaborate closely with developers, product teams, DevOps, and other QA engineers to ensure quality outcomes across multiple teams. Drive defects and quality issues to resolution with a strong ownership mindset. Contribute to test strategy, quality standards, release confidence, and continuous improvement initiatives. Review applications and test coverage proactively to identify quality gaps, flaky tests, test data issues, performance risks, and automation opportunities. Support production validation, issue triage, and root cause analysis where needed.

Join a fast-growing AI start-up on a mission to make advanced technology accessible to everyone. This team is building the next generation of AI-powered apps for people who want intelligent help without complex prompting. Their first product is an agent-first mobile communication app, bringing intelligence to conversations, errands, organising and workflows. The focus is on AI that is reliable, proactive and easy to trust. The Opportunity As an iOS Engineer, you’ll own the iOS client experience: how AI feels, responds and performs in users’ hands. This is not a thin integration role. You’ll build a production-grade app where AI interactions are central to the product, working closely with backend and ML engineers on API design and system behaviour. What You’ll Be Doing Build and maintain the iOS app in Swift and SwiftUI Integrate AI-powered features through backend APIs Design UX patterns for AI, including loading states, streaming responses, retries and fallbacks Optimise performance, memory usage and battery efficiency Capture user signals and feedback to support AI evaluation and iteration Keep App Store quality, stability and production reliability high Detect and resolve production issues early, with clear root-cause analysis What They’re Looking For 3+ years of iOS development in Swift Hands-on experience integrating AI-powered features into mobile apps Strong understanding of async/await, concurrency and background tasks Solid performance and memory optimisation skills Experience shipping and maintaining production iOS apps Comfort designing for latency, partial failure and non-deterministic AI behaviour Strong intuition for AI UX patterns and user trust Exposure to CoreML or on-device ML, and familiarity with feature flags or remote config, are a plus Tech Stack Swift • SwiftUI • SPM • SQL / NoSQL • TensorFlow Lite Why Join? Fully remote working Salary up to £100k, plus potential equity High ownership and autonomy from day one Small, high-talent-density team that makes decisions collectively Direct influence on product direction Fast-moving environment with rapid decision-making and deployment cycles A quick, transparent interview process: 3 stages, 4 at most The chance to bring practical AI to billions of everyday users If you’re excited by AI and building products from scratch, I’d love to speak with you. Feel free to reach out directly for more information.

WebMethods System Administrator / Configuration Engineer   €540 per day | Remote across Europe | Initial 6–12 Month Contract Are you an experienced webMethods specialist looking for your next contract? This is an opportunity to take ownership of enterprise integration platforms, support critical manufacturing data flows, and drive efficient, secure and scalable file-transfer solutions across multiple sites. We’re looking for a skilled WebMethods System Administrator / Configuration Engineer to manage platform configuration, system administration, security, performance and production support. You’ll play a key role in ensuring reliable plant-to-SAP file transfers while improving delivery through standardisation, automation and streamlined deployment processes. Key Responsibilities Install, configure and administer webMethods Integration Server, API Gateway and Trading Networks. Manage development, QA, UAT and production environments. Maintain platform security, authentication, access controls, certificates and vulnerability remediation. Apply patches, upgrades and configuration changes, ensuring minimal disruption to operations. Monitor system performance, troubleshoot incidents and optimise platform reliability. Support high availability, clustering, disaster recovery, backups and recovery testing. Manage deployments, releases, rollbacks and environment migrations. Provide L2/L3 production support, root-cause analysis and corrective actions. Maintain technical documentation, operational procedures and compliance records. Leverage scripting and automation to improve repetitive interface configuration and file-transfer validation. Essential Skills & Experience Strong hands-on experience administering webMethods Integration Server and API Gateway. Experience with Trading Networks configuration and package management. Solid Windows/Linux administration, networking, DNS, firewalls and load balancing knowledge. Strong understanding of Java/JVM configuration, memory management and performance troubleshooting. Experience with TLS/SSL certificates, keystores, truststores and authentication mechanisms. Knowledge of HTTP/HTTPS, REST/SOAP, SFTP, JDBC and messaging integrations. Experience supporting SAP and external application connectivity. Familiarity with monitoring, incident management, release management, backup/recovery and disaster recovery. Scripting and deployment automation experience. Contract Details Rate: €540 per day Location: Remote across Europe Duration: Initial 6–12 months If you have strong webMethods administration experience and enjoy working on complex integration environments where reliability, security and automation are essential, we’d love to hear from you. Apply now to discuss this opportunity and take the next step in your contracting career.