Principal Software Engineer, Docker Agents (London)

Join us at Docker, where we revolutionize app development, allowing developers to concentrate on what truly matters. Our remote-first global team thrives on innovation and enhancing the developer experience. With over 20 million monthly users and 20 billion image pulls, Docker stands as the premier tool for building, sharing, and running applications—trusted by both startups and Fortune 100 companies. As we rapidly expand, we're just getting started. Come aboard and enjoy this exciting journey!We are seeking a Principal Software Engineer (Docker Agents) to join our AI engineering team to shape the future of containerized AI agents. Docker containers provide the ideal environment for hosting and executing AI agents, ensuring isolation, portability, and reproducibility. You will work on our open-source project, cagent (https://github.com/docker/cagent), and enhance it to empower developers in building, deploying, and scaling intelligent agents utilizing Docker’s container technology.This is a unique opportunity to influence how developers harness containers for AI agents on a large scale. You will establish the technical vision, spearhead architectural decisions, and collaborate with engineers and leaders across Docker to integrate containerized agent capabilities into the developer experience.

At Docker, we are dedicated to simplifying application development, allowing developers to concentrate on what truly matters. Our remote-first team is global, united by a shared passion for innovation and exceptional developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker stands as the leading tool for building, sharing, and running applications, trusted by both startups and Fortune 100 companies alike. We are in a rapid growth phase and just getting started. Join us for an exciting journey!As part of Docker's AI engineering team, you will play a pivotal role in shaping the future of containerized AI agents. Docker containers serve as the ideal platform to host and execute AI agents, providing isolation, portability, and reproducibility.You will contribute to Docker Agent, our open-source project (https://github.com/docker/docker-agent), enhancing it to empower developers to build, deploy, and scale intelligent agents using Docker's container technology.This position offers a unique greenfield opportunity to influence how developers utilize containers for AI agents at scale. You will collaborate with a team of experienced engineers and work closely with our sister teams focused on Ask Gordon and Docker's broader AI platform. This role combines cutting-edge AI techniques with container technology to address real-world developer challenges.Important Note: This position is only available to candidates currently residing in London (or within a reasonable commuting distance). We cannot make exceptions to this location requirement.

At Docker, our mission is to streamline application development, empowering developers to concentrate on what truly matters. Our globally distributed, remote-first team is driven by a shared passion for innovation and enhancing developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker stands as the leading tool for building, sharing, and running applications—trusted by startups and Fortune 100 companies alike. As we rapidly expand, we invite you to embark on this exciting journey with us!Become a vital part of Docker's AI engineering team, where you'll play a key role in shaping the future of containerized AI agents. Docker containers offer an ideal environment for hosting and executing AI agents—ensuring isolation, portability, and reproducibility. You'll contribute to cagent, our open-source project (https://github.com/docker/cagent), while enhancing its capabilities to empower developers in building, deploying, and scaling intelligent agents utilizing Docker's container technology.This is a unique greenfield opportunity to redefine how developers harness containers for AI agents on a massive scale. Collaborate with a team of experienced engineers and work alongside our sister teams focusing on Ask Gordon and Docker's broader AI platform. This is your chance to integrate cutting-edge AI methodologies with container technology to address real-world challenges faced by developers.

Join Our MissionAt Omnea, we’re transforming enterprise operations by focusing on the often cumbersome procurement process. Imagine a world where a single purchase no longer takes months, requiring 50+ emails and approvals from Finance, Legal, Security, and IT. We aim to change that.Backed by $75M from Khosla Ventures, Insight Partners, and Accel, our AI-driven platform seamlessly connects every stakeholder, step, and system to facilitate quick, safe, and efficient purchasing. Experience automated approvals, real-time supplier risk assessments, and complete visibility into spending—all from one centralized location.With a $7B+ untapped market, our growth trajectory speaks volumes. We have achieved a tenfold increase in Annual Recurring Revenue (ARR), reaching double-digit millions in just 18 months, and have earned the trust of global enterprises like Spotify, MongoDB, Monzo, and Albertsons. We are proud to be recognized as the 4th fastest growing startup in Europe.Our experienced team includes former members of Tessian, the cybersecurity tech firm backed by Sequoia, Balderton, and Accel, who have successfully scaled unicorns and launched world-class products. You will collaborate with industry leaders including Ben, Abs, Sabrina, and Rebe.Your RoleWe are on the lookout for an outstanding, product-focused full-stack software engineer to join our engineering team. As we aim to scale from our current double-digit customers to over 200 enterprise clients and significantly increase our revenue over the next 2–3 years, your contributions will be vital in driving our product, team, and company growth as we transition from a 'start-up' to a 'scale-up'.You will be joining us at a crucial moment. We recently secured $50M in Series B funding from Khosla Ventures, Insight Partners, and Accel.

At Docker, we are dedicated to simplifying the app development process, allowing developers to concentrate on what truly matters. Our globally distributed, remote-first team shares a common passion for innovation and enhancing developer experiences. With over 20 million monthly users and 20 billion image pulls, Docker stands as the premier tool for building, sharing, and running applications—trusted by both startups and Fortune 100 companies. As we experience rapid growth, we invite you to embark on an exciting journey with us!This position is fully remote, available for candidates based in London, UK, or Paris, France. Candidates in Paris can also choose to work on-site at our office.We are seeking a Senior Software Engineer specializing in Docker Agents to join our AI engineering team, tasked with shaping the future of containerized AI agents. Docker containers offer an ideal environment for hosting and running AI agents, delivering isolation, portability, and reproducibility. In this role, you will contribute to cagent, our open-source project (https://github.com/docker/cagent), enhancing it to empower developers in building, deploying, and scaling intelligent agents using Docker's container technology.This is a unique opportunity to influence how developers utilize containers for AI agents at a large scale. You will collaborate with a team of experienced engineers and work alongside our sister teams focused on Ask Gordon and Docker's broader AI platform. By merging advanced AI techniques with container technology, you will tackle real-world challenges faced by developers.Key ResponsibilitiesDesign Containerized Agent Systems: Create and implement systems that utilize Docker containers as the optimal runtime for AI agents, ensuring isolation, scalability, and portability.Enhance cagent: Sustain and advance the open-source cagent project, integrating new features to facilitate containerized agent deployment and orchestration.Agent Runtime Development: Develop robust infrastructure for packaging, deploying, and managing agents within containers.Integrate RAG: Improve agent functionalities by incorporating Retrieval-Augmented Generation systems to deliver contextual knowledge and domain expertise (secondary focus).Performance Evaluation & Testing: Create comprehensive evaluation frameworks to assess agent performance, reliability, and the effectiveness of containerized deployments.

Join CoreWeave as a Principal Engineer!At CoreWeave, we are redefining the cloud landscape for AI innovation. Our platform is tailored for trailblazers, offering cutting-edge technology and a collaborative environment designed to empower innovators to construct and expand AI solutions with assuredness. Serving leading AI labs, startups, and global corporations, we blend exceptional infrastructure performance with extensive technical know-how to expedite breakthroughs and transform compute power into actionable capabilities. Since our founding in 2017, we have proudly transitioned to a publicly traded entity (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.As a Living Wage accredited Employer, we prioritize fair compensation for all our employees.

At Intercom, we're revolutionizing customer service through our advanced AI solutions. Our flagship AI agent, Fin, empowers businesses to deliver exceptional customer experiences, ensuring they're always available to assist users. When combined with our Helpdesk, Fin forms the Intercom Customer Service Suite, a comprehensive solution for addressing complex customer queries that require a personal touch.Since our inception in 2011, we have gained the trust of nearly 30,000 businesses globally, setting the standard for customer service excellence. Our commitment to innovation drives us to push boundaries and deliver unparalleled value to our clients.What’s the opportunity?As a Principal Engineer at Intercom, you'll take the lead in defining and executing key strategic initiatives. This role offers you the autonomy to impact the engineering organization significantly. You'll be responsible for developing both back-end and front-end systems, collaborating closely with designers, product managers, researchers, and data analysts. Additionally, you'll mentor and coach fellow engineers while partnering with Group Engineering Managers on technical strategy and leadership.What will I be doing?In this role, you will:Utilize your domain expertise to lead pivotal projects within our R&D organization.Provide insights on project progress, risks, and challenges to guide resource allocation and prioritization effectively.Contribute to our technical architecture, ensuring our systems scale to meet growing customer demands.Prioritize agility alongside scalability and availability, with a focus on continuous deployment and incremental releases.Engage in all software development phases, including ideation, prototyping, design, and implementation, balancing hands-on development with architectural leadership.Leverage state-of-the-art tools to enhance productivity and streamline problem-solving.

We are seeking a Principal Software Engineer specialized in engineering applications to join our dynamic team at physicsx. In this role, you will lead the design and development of innovative software solutions that empower our engineering teams to achieve exceptional results. Your expertise will drive the implementation of cutting-edge technologies and methodologies, ensuring the highest standards of performance and reliability.As a Principal Software Engineer, you will collaborate closely with cross-functional teams, mentor junior engineers, and contribute to the overall technical strategy of our organization. You will have the opportunity to work on challenging projects that have a significant impact on our business and clients.

About UsAt Sierra, we are revolutionizing the way businesses engage with their customers through innovative AI solutions. Our mission is to craft exceptional, human-centric customer experiences. With our headquarters in San Francisco and expanding offices in London, Atlanta, New York, France, Singapore, and Japan, we are at the forefront of technology.Our corporate culture is deeply rooted in our core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our actions and decisions, shaping a collaborative and empowering work environment.Led by co-founders Bret Taylor and Clay Bavor, Sierra is positioned for growth. Bret has an impressive background, having served as co-CEO of Salesforce and CTO of Facebook, while Clay has dedicated years at Google leading groundbreaking projects in AR/VR and product design.Your RoleArchitect and deploy state-of-the-art AI agents: You will be responsible for designing, developing, and launching high-performance AI agents that are pivotal to Sierra’s success, enhancing customer interactions across various sectors such as finance, healthcare, and e-commerce.Lead the Agent Development Life Cycle: Take full ownership of projects from inception to deployment and sustained enhancements, establishing best practices and ensuring the highest standards are met in AI development.Collaborate with industry leaders: Engage directly with top executives at major enterprises and dynamic startups, identifying their challenges and pioneering AI solutions that drive operational transformation.

Why VerifoneVerifone has been a pioneering leader in the electronic payment technology sector for over 40 years. Recognized as one of the foremost brands in electronic payment solutions, we rank among the largest providers of payment systems globally.At Verifone, we foster a diverse and dynamic work environment where results-driven employees have ample opportunities to excel. Our collaboration with top retailers, merchants, banks, and third-party partners enables us to innovate and deliver cutting-edge payment solutions worldwide. We are committed to excellence in our products and services, with an unwavering focus on customer satisfaction. Our team of dedicated professionals is at the forefront of the payments industry, driven by experience, innovation, and a bold spirit. Whether we're developing advanced secure payment platforms or exploring new markets for electronic payments, our passion for innovation propels each employee toward personal and professional success.About The RoleWe are looking for a Principal Software Engineer based in London to provide technical leadership for our global payment gateway systems. This role involves designing and evolving core platform capabilities, guiding architectural decisions across microservices, and mentoring engineers while remaining hands-on with critical systems built using Java and Spring Boot.This position is central to shaping the technical direction of systems responsible for processing high-volume, mission-critical financial transactions globally.In this role, you will go beyond mere feature delivery. You will be instrumental in driving architectural decisions, establishing engineering standards, and influencing how teams design, build, and maintain secure, scalable backend systems. Success is characterized by technical leadership, sound judgment in complex trade-offs, and ownership of systems that must operate reliably under real-world loads and regulatory requirements.Collaboration with senior engineering, platform, product, and infrastructure teams will be crucial to ensure our systems scale effectively, remain secure, and uphold the highest standards for availability and performance.

Begin your journey with us and advance your career.We are thrilled to present an opening for an accomplished and innovative Principal Façade Engineer to be part of our expanding and vibrant team. This role is perfect for a forward-thinking leader who excels in providing cutting-edge engineering solutions, fostering the development of talented professionals, and propelling business growth through strategic initiatives.Your role will involve:Leading the execution of a diverse portfolio of national and international projects across multiple sectors, ensuring an optimal balance of quality, feasibility, schedule, and cost.Securing project fees and negotiating contracts of various scales.Building and nurturing strong relationships with clients and referrers, encouraging the exploration of new business opportunities.Representing AECOM at industry events and conferences, highlighting our work and capabilities.Creating compelling proposals and leading successful presentations to win new projects.Mentoring a team of engineers, enabling them to realize their potential and enhance their skills.Overseeing the professional growth of engineers, including performance reviews, chartership, and essential management tasks to support team development.Managing façade team resources to meet technical and workload demands while pursuing personal skill development goals.Participating in R&D efforts to promote sustainable and energy-efficient design solutions.Collaborating with other teams within AECOM to further company-wide initiatives and multidisciplinary project delivery.Join us and grow:At AECOM, we offer a range of benefits tailored to support your well-being and career aspirations, customized to fit your lifestyle. Enjoy opportunities for career development, a flexible hybrid working model to ensure a work-life balance that suits you, access to technical practice networks, AECOM University, and volunteering days.

Role overview Sanity is looking for a Senior Software Engineer, Content Agent, based in London, UK. This role centers on shaping how content is managed and delivered across a range of platforms. The main focus is building and refining Sanity’s content management system to meet evolving user needs. What you will do Collaborate with colleagues from various teams to design, develop, and improve the core content management system Contribute to technical decisions that influence the direction of Sanity’s platform Help ensure the system adapts to new requirements and remains effective for a diverse user base Requirements Creative approach to solving complex technical challenges Commitment to high standards and ongoing improvement Interest in teamwork and making a visible impact through your work

Join Beamery as a Principal EngineerAt Beamery, we are at the forefront of revolutionizing the HR technology landscape with our cutting-edge transformational AI platform. Our mission is to empower enterprise organizations to make informed and equitable talent decisions. By streamlining recruitment processes, enhancing internal mobility, fostering effective upskilling initiatives, and enabling agile workforce planning, we help our clients successfully manage the hiring and redeployment of over a million individuals each year.We are excited about our future as we deepen our integrations with major platforms such as SAP, Workday, Microsoft, and LinkedIn, enhancing our skills intelligence and allowing our customers to plan more effectively for the future. We leverage proprietary LLMs and knowledge graph technology to broaden talent access, make fairer decisions, and create opportunities at scale. Our company culture, built on trust, empathy, and transparency, ensures that every team member can bring their authentic selves to work.What You'll DoAs a Principal Engineer at Beamery, you'll tackle complex challenges that have significant impact across the organization. Collaborating with fellow engineers, you will help establish the architectural standards necessary for executing Beamery's strategic vision.Design and develop architectural solutions while drafting RFCs for initiatives that affect Engineering and beyond.Maintain your hands-on expertise by assisting teams in delivering scalable and high-performance software.Collaborate with Product and Engineering Directors to plan, scope, and size large-scale projects and features that span multiple teams.Partner with other Principal Engineers to refine and evolve the architectural vision that aligns with Beamery's strategy.

Join Wayve Technologies as a Principal Application Software Engineer and be part of a pioneering team that is transforming the future of autonomous driving. This role involves leading software application development, collaborating closely with cross-functional teams, and driving innovative solutions to real-world challenges in the automotive industry.The ideal candidate will possess extensive experience in software engineering, a strong understanding of algorithms, and a passion for cutting-edge technology. You will play a critical role in enhancing our software architecture and ensuring the scalability and performance of our applications.

Role Overview 8th Light, Inc. seeks a Principal Software Engineer for its London office. This hybrid role combines in-office and remote work, supporting both flexibility and close team collaboration. What You Will Do Lead software projects from planning through delivery Mentor junior developers and support their growth Work with cross-functional teams to build high-quality software products Promote technical excellence and encourage continuous improvement within the team Who We’re Looking For We value engineers with a track record of building reliable software, a collaborative approach, and a commitment to craftsmanship. Experience leading teams or projects is important. A willingness to share knowledge and help others grow is essential. Location London, England, United Kingdom (hybrid: in-office and remote work)

Your Impact The Principal Software Engineer plays a pivotal role in shaping and advancing our architectural framework by employing Distributed Domain Driven Design methodologies. This position is crucial for ensuring the resilience and scalability of our systems. You will influence architectural strategies and provide embedded consultation within projects, guiding teams to adopt best practices and effective design patterns. What You'll Do ● Architecture Leadership: Spearhead the definition and evolution of our architecture through Distributed Domain Driven Design principles. Serve as the strategic leader for core Architecture Quality Attributes (e.g., Availability, Performance, Scalability, Security) to guide architectural evaluations. Provide project-specific architectural consultation to advocate best practices, design patterns, and informed buy vs. build decisions.● Platform Capability Enhancement: Aid in prioritizing improvements across feature and data platforms. Enhance the documentation and communication of architectural descriptions through automation and innovative tools. Oversee platform-wide strategies, including naming conventions, protocol standards, and design patterns to ensure continuous value creation.● Effective Communication: Clearly articulate complex technical concepts in both written and verbal formats, tailored to both technical and non-technical stakeholders. Collaborate with various stakeholders to foster consensus when needed, ensuring alignment on architectural choices.

About UsAt Sierra, we're on a mission to revolutionize customer experiences through our innovative AI platform. With headquarters in San Francisco and expanding offices in cities like London, New York, and Singapore, we are dedicated to creating meaningful interactions between businesses and their customers.Our core values—Trust, Customer Obsession, Craftsmanship, Intensity, and Family—define our culture and drive our commitment to excellence in every project we undertake.Our visionary co-founders, Bret Taylor and Clay Bavor, bring a wealth of experience from leading tech giants like Google and Salesforce, ensuring that our team is equipped with unparalleled expertise in the field.Your RoleDesign and deliver robust AI agents: You will create high-performing, reliable, and intuitive AI agents that are crucial to Sierra's growth, operating across diverse sectors such as finance, healthcare, and e-commerce.Lead the Agent Development Life Cycle (ADLC): You will take charge from pilot development through to deployment and ongoing refinement, setting benchmarks for best practices in the industry.Collaborate with industry leaders: By partnering with major enterprises and innovative startups, you will address critical business challenges and integrate AI solutions that transform operational efficiencies.

About the Role vega is looking for an AI/Agent Engineer in London. This position focuses on designing and building intelligent agents that address complex challenges. Work will directly support the advancement of AI solutions across the company.

About the Role demo.levels.fyi is hiring a Software Engineer in London. This role works closely with teammates to build and improve products that impact users directly. The team values collaboration and encourages new ideas that move the product forward. What to Expect Contribute to product development and user experience improvements Work with others to solve technical challenges Apply modern software and design practices About demo.levels.fyi With roots going back to the 1500s, demo.levels.fyi blends a long history with ongoing innovation in technology. The company continues to evolve, focusing on new approaches in software and design.

Our Journey Welcome to Zopa! Founded in 2005, Zopa pioneered the peer-to-peer lending landscape and in 2020, we proudly launched Zopa Bank. We’re on a mission to transform the banking experience by listening closely to our customers and addressing their concerns with innovative solutions. Our vision centers on placing individuals at the heart of banking, empowering them to aim high and advance the financial world. Discover more about our exciting services at Zopa.com! Our accomplishments are a testament to the incredible talent within our team. We’re not just collecting industry accolades; we’ve also been recognized as one of the top three Most Loved Workplaces in the UK. If you are enthusiastic about tackling unconventional challenges, eager to think outside the box, and driven to create a significant impact, Zopa is the place for you. Join us and make a difference! Want to see our culture in action? Follow us on Instagram @zopalife.The Engineering OpportunityAs a Software Engineer at Zopa, you will do more than just code; you will engage in solving meaningful financial challenges for millions of customers. You will work on distributed systems that process thousands of transactions daily, develop robust services that manage financial assets, and design user experiences that simplify traditionally complex financial products.