Staff Applied AI Engineer at Pleo | London

Pleo creates tools that simplify business spending for finance teams and employees. With over 40,000 customers and a diverse team of more than 850 people from 100+ nationalities, the company continues to grow and refine how organizations manage expenses. Curiosity about customer needs, a drive to untangle complexity, and high standards shape the way work get…

Exciting Career Opportunities for DV Cleared IT ProfessionalsLocation: United KingdomSector: Information TechnologySecurity Clearance: UK DV Security Clearance RequiredEmployment Type: Permanent and Contract Positions AvailableAt Zaizi, we are seeking skilled professionals with DV clearance to collaborate on significant projects for our Central Government clients. If you possess a DV clearance and a strong technical background, we invite you to reach out for an informal discussion about the exciting opportunities with our clients.Available Roles Include:Software EngineeringSoftware DevelopmentInfrastructure (Architecture, Engineering, Support)DevOps (Architecture, Engineering, Support)Not sure if you meet all the qualifications?Research indicates that women and individuals from minority ethnic backgrounds are less likely to apply for positions unless they meet every requirement. If you are enthusiastic about this role but your experience does not perfectly align with the description, we encourage you to apply. You could be the ideal candidate for this position or another role at Zaizi.We warmly welcome applications from people of color, members of the LGBTQ+ community, individuals with disabilities, neurodivergent candidates, parents, caregivers, and those from lower socio-economic backgrounds. If you require any accommodations during the application process, please do not hesitate to let us know. We are committed to making necessary adjustments for neurodiverse individuals or those with disabilities throughout the interview process.Benefits:Competitive Compensation: Annual salary reviews to align with performance and market standards.Loyalty Pension: We contribute 5% initially, increasing by 0.5% each year after your third anniversary, up to a maximum of 8%.Peace of Mind: Comprehensive Group Life Assurance.Our Purpose & Culture:Make a Real Impact: Engage in mission-critical projects that enhance and secure the UK's digital infrastructure.Empowerment: A culture that encourages decision-making, rapid prototyping, and iterative success.Community Support: We support those who serve with 10 paid days for Reservist Military Service.Work-Life Balance:Generous Time Off: 25 days of annual leave plus Bank Holidays, with options to Buy/Sell additional days.Community Involvement: 2 paid volunteering days per year.

About 9fin9fin is an innovative AI platform revolutionizing the global debt markets, the largest asset class valued at over $145 trillion. We transform the fragmented landscape of debt markets, which often relies on disjointed data, PDFs, and manual processes, by offering a unified platform that centralizes proprietary credit data, in-depth analysis, and high-impact workflows across international markets.Currently, 9fin supports over 300 prestigious institutions globally, including leading banks, asset managers, private equity firms, law firms, and advisors. Our rapid scaling, particularly in the US, is driven by exceptional user retention and widespread adoption of our workflows.As we stand at a pivotal moment in our growth, with a proven product-market fit and strong demand, 9fin is on the path to become the defining platform for debt markets worldwide.Join Us as an Engineering LeadWe are looking for a dynamic Engineering Lead with a robust technical background to scale our platform, establish technical direction, and build an outstanding team that crafts impactful product experiences. Your role will be crucial in making complex data accessible, reliable, and significant, guiding engineers to tackle high-impact challenges across data, product, and infrastructure. Our managers not only oversee projects but also shape pivotal decisions that affect all aspects of product development.We expect our leads to possess substantial technical expertise and to be masters of their craft, capable of diving into intricate details while continuously improving their skills. A successful Engineering Lead is not just a skilled engineer but also a leader who empowers others to excel.Your ResponsibilitiesEach day brings unique challenges and opportunities, including:Building and leading a high-performing, cross-functional engineering team, fostering a culture where engineers feel motivated, empowered, and proud of their contributions.Engaging in technical design, code reviews, and architectural decisions to uphold high standards of technical excellence while balancing leadership duties.Translating ambitious product visions into scalable, production-ready solutions through informed, data-driven technical and strategic decisions.

Join Our Mission at OmneaAt Omnea, we are transforming the way enterprise businesses function, focusing on the most challenging processes in procurement. A single purchase can take months, generate over 50 emails, and require input from Finance, Legal, Security, and IT for approval.With a remarkable $75M investment from Khosla Ventures, Insight Partners, and Accel, we are set to change this paradigm. Our AI-driven platform seamlessly integrates every individual, step, and system, facilitating quick, secure, and efficient purchasing. We offer a unified platform for requests, automated approvals, risk assessments, and comprehensive spend visibility.This is a $7B+ untapped market, and our growth reflects the immense opportunity: we have achieved a tenfold increase in ARR to double-digit millions within just 18 months, earning the trust of global companies like Spotify, MongoDB, Monzo, and Albertsons. Omnea has recently been recognized as the 4th fastest growing startup in Europe.Our team boasts experience from Tessian (a cybersecurity tech firm backed by Sequoia, Balderton, Accel, and acquired post-Series C). Our members include former founders and operators who have built unicorns, delivered exceptional products, and executed at the highest standards. You will collaborate with leaders like Ben, Abs, Sabrina, and Rebe.Discover More About Life at Omneahere.Why We Need a Platform Engineer NowOur deployment frequency is several times a day, serving enterprise clients who demand unwavering reliability, and our growth trajectory is tenfold. The platform team is responsible for the infrastructure, tooling, and developer experience that supports all of this. We are looking to add a hands-on Platform Engineer to enhance our CI/CD processes, scale our serverless infrastructure, improve observability, and empower every product engineer to achieve greater effectiveness.

Join our team at PA Consulting Group as a DevOps Engineer in London! We are seeking a talented and motivated individual to help us drive innovation and improve our infrastructure. In this role, you will collaborate with cross-functional teams to streamline development processes, implement robust CI/CD pipelines, and enhance system reliability.

About Lightning AIFounded in 2019, Lightning AI is the driving force behind PyTorch Lightning. We create a comprehensive platform for the development, training, and deployment of AI systems, streamlining the journey from innovative research to impactful production.Our merger with Voltage Park, a neocloud and AI factory, enhances our offerings by integrating developer-centric software with efficient, large-scale computing resources. We provide teams with essential tools for experimentation, training, and production inference, ensuring security, observability, and control are integral to our solutions.We cater to individual researchers, startups, and established enterprises, with a global presence including offices in New York City, San Francisco, Seattle, and London. Lightning AI is supported by esteemed investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and precision, deconstructing complex challenges into manageable tasks.Focus: We tackle one objective at a time with care, working collaboratively to deliver features accurately.Balance: We believe in maintaining a healthy work-life balance, promoting sustained performance through rest and recovery.Craftsmanship: We strive for excellence and take pride in the details that contribute to our innovation.Minimal: We embrace simplicity in our innovations, focusing on what truly matters.Role OverviewWe are looking for an accomplished Research Engineer to enhance the optimization of training and inference workloads using compute accelerators and clusters, particularly through the Lightning Thunder compiler and the broader PyTorch Lightning ecosystem. This role exists at the intersection of deep learning research, compiler development, and large-scale system optimization. You will be instrumental in advancing technology that enhances model performance and efficiency, establishing essential software that will influence the entire machine learning landscape.As part of the Engineering Team, you will report to our Tech Lead. This hybrid role is based in our offices located in New York City, San Francisco, or London.

About Octopus ElectroverseAt Octopus Electroverse, we are revolutionizing electric vehicle ownership by creating an innovative and user-friendly virtual charging platform designed for the future.In just four years, we have rapidly ascended to become one of the foremost players in the eMobility sector worldwide, boasting over 1 million connected electric vehicle chargers and a diverse customer ecosystem that includes web, iOS, Android, CarPlay, Android Auto, and various Automotive OS platforms.This is only the beginning; we're on an exciting journey of international expansion, collaborating with numerous automotive and tech partners, developing cutting-edge features at scale, and crafting seamless charging experiences aimed at simplifying public EV charging for our users.The Electroverse team is a dynamic collective encompassing product, development, commercial, operations, marketing, partnerships, and more, all committed to solidifying Octopus as the leading name in EV charging.

Liftoff is hiring a Sales Engineer in London to support sales efforts and work directly with clients. This position centers on understanding customer needs and presenting solutions that fit their goals. Role overview As a Sales Engineer, the main focus is collaborating with the sales team to demonstrate Liftoff’s products. The role involves explaining technical concepts in clear terms and helping clients see how these solutions can address their challenges. What you will do Work alongside sales colleagues to engage with prospective and current clients Present Liftoff’s products and answer technical questions Translate complex product features into practical insights for customers Requirements Strong technical background Clear communication skills Ability to explain detailed ideas to both technical and non-technical audiences

Begin your journey. Advance your career.Are you prepared to revolutionize water infrastructure?Our robust and dynamic Water Engineering team in the Southeast is seeking a Senior Civil Engineer to join us at our offices in St Albans, Croydon, London Aldgate & Basingstoke.We are working on an exciting array of water programs and projects through long-term partnerships with leading clients including major UK water companies such as Thames Water, Affinity Water, and Southern Water, along with Tier 1 contractors and international projects.Among the projects currently underway are strategic water pipelines, the London Power Tunnels, HS2 utilities design, WTW UV upgrades, Thames Water mains rehabilitation, and upgrades to Mogden STW and Southern Water STW.Working flexibly from various locations in Southern UK, you will have the chance to visit client sites around the South and collaborate with teams through multi-year frameworks. As part of our thriving enterprise, you will tackle rewarding multidisciplinary projects from conception to execution, crafting innovative solutions that enhance the environment and uplift communities.This position offers a fantastic opportunity to advance your career as a technical engineer, creating solutions that address the technical challenges of today and tomorrow.Your responsibilities will include:Collaboration: Engage closely with our teams of engineers, hydraulic modellers, environmental scientists, and technical specialists to deliver high-quality projects both within the UK and internationally. Communicate with clients to refine scope, develop pricing proposals, and report on project status.Delivery: Create feasibility studies, outline designs, detailed designs, reports, and technical specifications.Leadership: Provide line management for junior staff, offering guidance and conducting performance evaluations.Quality Assurance: Ensure that designs comply with all relevant standards and regulations, and contribute technical expertise for interdisciplinary analytical studies.If you are passionate about innovation and turning ambitious ideas into reality, AECOM welcomes you. Join our team where we do not merely build infrastructure but also enrich communities and improve lives. Follow our AECOM Water page on LinkedIn to stay informed about the impactful projects we're working on and witness the difference we are making in the industry!Join & Flourish with Us.Become part of our vibrant Water business, which includes around 670 specialists across the UK & Ireland. Collaborate with leading civil, mechanical, electrical, and process engineers to deliver a diverse range of projects.

About UsAt Mytos, we are on a mission to revolutionize the biotech industry. Join our innovative team, and you'll empower scientists, speed up their research, and play a vital role in delivering cures to patients more rapidly.We have engineered cutting-edge machines that fully automate the production of human cells—once the most labor-intensive process in biotechnology. These cells are pivotal in the discovery and development of new drugs, including treatments for cancer. Mytos is set to transform the landscape of cure development.Our technology is currently utilized by multibillion-dollar biotech companies across both coasts of the United States, and we have successfully raised $19 million to accelerate our market expansion and further enhance our development efforts!Our diverse, world-class team includes former Dyson engineers and scientists published in Nature, collaborating closely to tackle this ambitious challenge. Discover more about your potential Mytos teammates here: TeamMytos is proud to be backed by Y Combinator, the most successful startup accelerator globally, which has fostered companies such as Airbnb, Dropbox, and Ginkgo Bioworks.

Join Our Journey Welcome to Zopa! Founded in 2005, Zopa pioneered peer-to-peer lending and has since evolved, launching Zopa Bank in 2020. Our mission is to transform the banking experience by prioritizing customer needs and redefining financial services. We empower our team and customers to challenge the norms and aim high. Discover our innovative offerings at Zopa.com!We take pride in our accomplishments and our outstanding team, which has propelled us to be recognized as one of the UK’s Most Loved Workplaces.At Zopa, we welcome those who thrive on unconventional challenges and are eager to make a significant impact. Follow us on Instagram @zopalife to see our culture in action!About the Team:The Data Engineering team is essential in designing, constructing, and managing the intricate data pipelines vital to our bank's operations. We leverage a blend of software engineering, data analytics, and operational skills while collaborating with various teams to tackle diverse and complex challenges. Our culture values teamwork, practicality, and continuous learning over individual accomplishments.This role offers you the opportunity to join Zopa’s Data Engineering team at a pivotal moment of growth and advancement. You will be instrumental in developing and enhancing the data platforms that drive decision-making throughout the bank, from customer behavior insights to critical applications like fraud detection, where every moment counts.

Join Aircall, a leading unicorn in the realm of AI-driven customer communications. Serving over 22,000 businesses globally, we are revolutionizing how customer interactions occur by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our approach is simple yet profound: we empower teams to work smarter. With innovations like our AI Voice Agent automating routine calls, AI Assist making post-call tasks efficient, and AI Assist Pro offering real-time support, we are driving higher revenues and enabling faster resolutions, allowing teams to scale confidently.Based in Paris, our European headquarters, we also have a strong presence in North America with our Seattle office, alongside teams located in Madrid, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers and our business is rapidly expanding, supported by top-tier investors and propelled by swift AI advancements.At Aircall, you will be part of a dynamic, ambitious, and product-focused organization. We prioritize rapid decision-making, tangible results, and real growth, fostering a culture where every team member can make a significant impact.Our Work Culture: We are deeply customer-focused, data-oriented, and committed to achieving meaningful results. Emphasis is placed on ownership, continuous learning, and thoughtful execution. If you thrive in a collaborative and fast-paced environment where trust and impact are paramount, you will find your place with us.As an Infrastructure Engineer, your primary responsibility will be the management and operation of our AWS Cloud Infrastructure. Collaboration with peers and business teams is essential, and having hands-on experience with AWS is a prerequisite.

Join our client, a leading and rapidly expanding consultancy dedicated to enhancing consumer access to cutting-edge technology. This is an exciting opportunity to take on a management role within the organization. With a diverse international clientele, including both technology giants and innovative start-ups, you will have the chance to contribute to various international projects for some of the industry's most prominent companies.Job Overview:Our client is looking for a seasoned senior consultant capable of shaping the future of the technology sector amid continuous transformations. The ideal candidate will possess a robust history of effectively coordinating frequency usage for diverse radio services, facilitating the launch of new products and services, and influencing the associated regulatory frameworks.This role demands proven leadership abilities, outstanding analytical and communication skills, and a knack for distilling complex information into clear, concise presentations. Candidates should have a solid track record in managing and delivering on existing and new client accounts, with the willingness to travel internationally as needed.

Join Intercom, the leading AI Customer Service company dedicated to revolutionizing customer experiences across the globe.Our flagship AI agent, Fin, represents the pinnacle of customer service technology, enabling businesses to offer exceptional, round-the-clock support and fundamentally enhance customer interactions. Fin is seamlessly integrated with our Helpdesk, forming the Intercom Customer Service Suite—an all-encompassing solution for intricate inquiries that necessitate human intervention.Established in 2011 and trusted by nearly 30,000 businesses worldwide, Intercom is redefining customer service standards. We are driven by our core values of innovation, speed, and delivering remarkable value to our clients.What’s the Opportunity?We are on the lookout for Staff Product Engineers to join our AI Group and contribute to the development of Intercom’s AI-driven products. As a Product Engineer in Machine Learning, you will collaborate closely with both our ML Scientists and Product teams, gaining a comprehensive understanding of our product offerings, customer needs, and ML technological framework.Your responsibilities will include defining new machine learning features, exploring suitable algorithms and technologies, and quickly delivering initial prototypes to our users.Our team is highly focused on product development, collaborating with Product and Design teams. Our dedicated Engineering staff enables us to expedite production, frequently launching beta versions within weeks after successful offline testing.We are passionate about leveraging machine learning technology, having successfully productized everything from traditional supervised models to innovative unsupervised clustering algorithms and unique applications of transformer neural networks. We rigorously test and assess the tangible impact of each model we implement.If you are an accomplished product engineer with a methodical approach to development and practical experience with ML systems, we would love to hear from you!

Begin your journey here. Advance your career with us.AECOM seeks an experienced Principal Civil Engineer to lead technical initiatives across a variety of projects for data center clients. These projects encompass site due diligence assessments, master planning, detailed design, and construction support. This role is pivotal in fostering business growth, enhancing client relations, and advancing AECOM's civil engineering capabilities within the data center sector.As part of our Civil Engineering Business Unit, you will collaborate with a diverse team of professionals, including ground engineers, structural engineers, mechanical engineers, electrical engineers, architects, project managers, environmental specialists, and surveyors, both locally and globally, to support our extensive portfolio of data center projects.In the Data Centres Market Sector, you will represent AECOM as a knowledgeable ambassador, delivering expert civil engineering counsel throughout EMEA and in conjunction with global teams. Your contributions will ensure the successful execution of data center projects for major technology clients, emphasizing technical excellence, resilience, and cross-disciplinary integration while reinforcing AECOM's standing in the Hyperscale and Co-location data center market.Your responsibilities will include:Providing strategic civil engineering leadership and technical governance for data center projects, ensuring adherence to AECOM standards and regulatory requirements.Leading, reviewing, and approving civil engineering infrastructure designs and specifications, creating viable solutions for site development, earthworks, drainage, pavements, access, utility infrastructure, and civil engineering works related to data centers.Coordinating with fellow civil engineers and technical experts to ensure the successful delivery of our data center project portfolio, collaborating with ground engineers, electrical engineers, mechanical engineers, structural engineers, project managers, architects, and environmental consultants across the UK and internationally.Enhancing client engagement, driving business development, strategic asset planning, and sector thought leadership, while mentoring and developing civil engineers to improve technical capabilities and delivery excellence within the Data Centres sector.Join us and thrive:At AECOM, we value our employees and offer a variety of core and personalized benefits tailored to support your future and well-being. Enjoy career development opportunities, a flexible hybrid working model to achieve work-life balance, access to technical practice networks, AECOM University, and opportunities for volunteering.

Join Fuse Energy, a visionary renewable energy startup on a mission to rapidly deliver a terawatt of renewable energy. We are pioneering an innovative energy system through first-principles thinking and advanced technology. Backed by $170M from prominent investors including Multicoin, Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, and strategic angels like Nico Rosberg, co-founder of Solana, we are positioned at the forefront of the energy revolution.Our integrated energy company develops solar, wind, and hydrogen projects, engaging in real-time power trading and distributed energy installations. By selling directly to consumers, we eliminate intermediaries, reduce costs, and pass the savings on to our customers.Additionally, we are creating the Energy Network: a decentralized platform of intelligent devices that rewards users in Energy Dollars for electrifying their homes, shifting energy usage to off-peak hours, and contributing to grid stability. This network is essential for the scalability of AI data centers and other energy-intensive industries.We are seeking a dynamic Mechanical Engineer who is not only technically adept but also passionate about tackling complex challenges in the renewable energy sector. This role transcends traditional engineering, involving technical problem-solving, renewable energy engineering, and driving business development, market research, and techno-feasibility assessments.

Join our dynamic team at examplecorpsandbox, where innovation meets excellence in the realm of artificial intelligence and machine learning.As a Senior AI-ML Engineer Specialist, you will leverage your expertise in statistical analysis, predictive modeling, and business intelligence to transform vast datasets into actionable insights. Your role will involve collating, modeling, interpreting, and analyzing data to uncover trends and identify new business opportunities. You will collaborate across various business units, utilizing cloud technologies to enhance our analytical capabilities. Key responsibilities include: Utilizing advanced statistical and mathematical methodologies to manage and manipulate high-volume data from diverse sources, driving business growth initiatives for Nasdaq and our clients.Staying updated with the latest technologies and best practices in analytics to optimize our internal processes and tools.Leading and mentoring junior team members in data visualization and modeling techniques, fostering a collaborative learning environment.Conducting scalable data research in cloud environments, completing business analysis and testing deployment experiments.Collaborating with product sponsors to align on business requirements and propose innovative solutions: Utilize domain expertise to generate new product ideas.Rapidly execute experiments to validate these ideas.Document research findings and recommend strategic actions to technology and senior management.Partnering with business units to brainstorm and provide insights on new opportunities, offering constructive feedback based on analytic results.Taking ownership of projects and initiatives while mentoring junior engineers in best practices.Contributing thought leadership by authoring white papers for industry review.

About HappyRobotHappyRobot is an innovative, AI-native operating system designed for the real economy. Our platform bridges the gap between intelligence and action, empowering enterprises to manage complex, mission-critical operations autonomously. By leveraging real-time insights, specialized AI workers, and orchestrated intelligence, we enable businesses to enhance resilience, agility, and continuous improvement in their operations.Our AI OS constantly learns, optimizes, and evolves, focusing initially on supply chain and industrial-scale operations. We aim to free human resources to concentrate on strategic, creative, and high-value tasks. Discover more about our vision in our Manifesto. HappyRobot has successfully raised $62M to date, including a recent $44M Series B funding round in September 2025. Our esteemed investors include Y Combinator (YC), Andreessen Horowitz (a16z), and Base10, all of whom share our commitment to revolutionizing enterprise operations. We are dedicated to building a world-class team characterized by relentless drive, exceptional problem-solving capabilities, and a passion for pushing boundaries in a fast-paced environment. If this resonates with you, we invite you to join us at HappyRobot.Role OverviewWe are in search of a dynamic and proficient Forward Deployed Engineer to enhance our team. This role requires a blend of robust technical skills and exceptional communication abilities, as you will work directly with clients to maximize the value derived from HappyRobot’s AI platform. Your responsibilities will encompass onboarding, implementation, and ongoing support, alongside contributions to product development and innovation.

Join Lendable’s MissionLendable is dedicated to revolutionizing the credit landscape by creating cutting-edge technology that empowers individuals to access credit and save money effectively. As one of the UK’s newest unicorns, we are rapidly establishing ourselves among the fastest-growing fintech companies.With a dynamic team of over 700 professionals, we have been profitable since 2017 and are supported by esteemed investors including Balderton Capital and Goldman Sachs. Our customer satisfaction speaks volumes, boasting a remarkable rating of 4.9 from tens of thousands of reviews on Trustpilot.Having successfully reconstructed the Big Three consumer finance products—loans, credit cards, and car finance—we are committed to providing our customers with quick access to funds. Our vision extends to expanding into major markets like the UK and US, targeting outdated banking systems and improving user experiences.Why You Should Join UsOwnership: Take charge from day one and influence Lendable’s trajectory.Exceptional Teams: Collaborate with a small group of innovative individuals dedicated to solving complex challenges and improving existing solutions.In-House Technology: Develop top-tier technology using machine learning and AI to optimize processes and enhance efficiency.Role OverviewWe are in search of a hands-on AI Engineer to bolster our Internal Automation team. Your role will focus on enhancing the efficiency of various internal teams, including Finance, Compliance, Product, and QA, through the development of AI-driven tools and automated workflows. Working within a compact team of four engineers and one project manager, you will play a vital role in streamlining operations, minimizing friction, and allowing colleagues to devote more time to high-priority tasks.

Are you ready to embrace an exciting new opportunity as a System Engineer? At DeepHealth, we are seeking a dedicated professional who is eager to take charge of the design, maintenance, and optimization of our cutting-edge IT systems and infrastructure. Your role will be crucial in ensuring the reliability, security, and scalability of the environments that support our global operations. If you are passionate about driving continuous improvement, enhancing processes, and collaborating with diverse teams to deliver high-performing and compliant systems, we want to hear from you!