Senior Software Engineer II (Fullstack) - Server Driven UI

Join Anthropic as a Senior Engineer specializing in Datacenter Server Lifecycle. In this pivotal role, you will be responsible for overseeing the complete lifecycle of our datacenter servers, ensuring optimal performance and reliability. You will collaborate with cross-functional teams to design, implement, and maintain state-of-the-art server infrastructure.

About Anthropic Anthropic builds AI systems with a focus on reliability, interpretability, and steerability. The team includes researchers, engineers, policy experts, and business leaders, all working together to keep AI safe and beneficial for users and society. Anthropic continues to grow quickly, expanding both its technology and its impact. Role Overview: Senior Engineer - Datacenter Machine Lifecycle This Senior Engineer position sits within the Datacenter Machine Lifecycle team in London. The role covers every stage in a machine’s operational life: provisioning, deployment, ongoing operation, maintenance, refresh cycles, and decommissioning. As Anthropic expands beyond cloud infrastructure, this is a chance to help define the processes, tools, and standards for managing and retiring hardware at scale. Much of the work will be greenfield, giving room to shape how the company approaches these challenges from the ground up. Security is central to this role. Datacenter machines at Anthropic handle sensitive AI workloads, including model training and serving millions of users through Claude. Maintaining a trusted, attested environment, with a verified chain of integrity from hardware to operation, is essential. This engineer will work closely with the Infrastructure Security team to set and uphold trusted compute standards throughout the machine lifecycle. Key Responsibilities Develop automation to improve efficiency across datacenters running tens of thousands of servers. Own the full machine lifecycle strategy, including provisioning, deployment, operations, maintenance, refresh, and decommissioning. Ensure operational procedures are in place for events like hardware failures, firmware upgrades, and fleet rotations. Partner with Infrastructure Security to design and enforce trusted compute standards throughout the machine lifecycle. Work with the Networking team to ensure reliable connectivity across all datacenter sites. Build and maintain tools to monitor machine health, configuration, and operational status across the entire fleet. Location London

Join Entain as a Datacenter Team Lead and play a pivotal role in managing our data center operations in London. As a leader in this position, you will oversee the day-to-day activities of the datacenter team, ensuring optimal performance and reliability. You will be responsible for implementing best practices, managing resources, and driving initiatives that improve efficiency and service quality.

Role Overview Utility Warehouse is looking for a Senior Backend Software Engineer to strengthen the Customer Lifecycle team in London. This role centers on building and refining backend systems that support every stage of the customer journey. The work has a direct impact on how customers experience Utility Warehouse services. What You Will Do Design, build, and maintain backend software that supports customer lifecycle processes Focus on efficiency and scalability to handle growing customer needs Contribute technical expertise to improve customer experience through reliable backend solutions About the Team Work alongside engineers who care about delivering quality service. The team values practical solutions and continuous improvement, with each member playing a key role in shaping the technology that powers Utility Warehouse’s customer interactions.

Role overview Utility Warehouse is seeking an Engineering Manager to lead efforts around Lifecycle Customer services in London. This role oversees a team focused on enhancing the customer experience throughout every stage of their journey with the company. What you will do Support and guide engineers working on projects tied to the customer lifecycle Set technical direction and help prioritize team goals as customer needs evolve Manage delivery of new features and ongoing improvements aimed at increasing customer satisfaction Requirements Proven experience managing engineering teams Strong interest in technology and solutions that put the customer first Comfort balancing leadership responsibilities with hands-on project involvement This position is based in London.

Join Hutch as a Multiplayer Server Engineer!At Hutch, a leading mobile games developer and publisher with a vibrant presence in central London, Dundee, and Canada, our mission is to cultivate the most diverse and engaged automotive gaming community on mobile platforms. With over 280 million players enjoying our titles, we are continuously innovating and developing exciting new games.We prioritize the well-being of our team members, allowing you to create incredible games while maintaining a healthy work-life balance. Our culture is centered on ensuring happiness and wellness among our staff.In our small, empowered teams, you will have the freedom to tackle creative and technical challenges collaboratively, enabling the development of outstanding games while enjoying the process.We value transparency, community, innovation, and a focus on delivering exceptional experiences to our players. Ready to join our mission?Role OverviewWe are seeking a skilled Server Engineer to become a vital part of our dynamic team at our central London studio. This role involves designing, prototyping, and developing server-based multiplayer systems for our successful mobile games. If you thrive on taking ownership of your work and relish the technical challenges of a high-load environment, this is the perfect opportunity for you. Collaborate closely with artists, designers, and fellow programmers to significantly impact the backend services of our games.Your Responsibilities Include:Designing, prototyping, and developing server-based multiplayer game systems.Collaborating on synchronous and asynchronous gameplay, tournaments, matchmaking, leaderboards, and more.Working closely with cross-functional teams to deliver a high-quality, secure, and scalable online experience for our players.Exploring innovative avenues to expand our multiplayer services across new titles using cutting-edge technology.Creating maintainable online functionality ready for rapid post-launch updates based on player feedback.Developing tools to empower artists, designers, and customer service teams in managing online services.Engaging in design discussions to leverage technology effectively.

Are you a dynamic CRM marketer who excels in utilizing Customer.io (or similar ESPs) to create engaging workflows and sequences from the ground up, rather than simply managing existing setups? Do you find excitement in running experiments, formulating hypotheses, conducting tests, analyzing results, and promptly strategizing your next steps? Are you eager to send thoughtfully crafted marketing emails for a company dedicated to alleviating inbox chaos for its clients?If this resonates with you, you could be our next Lifecycle Manager at Fyxer!Title: Senior CRM Manager (Lifecycle)Reporting to: James Lester, Growth LeadWhat are we creating?An innovative AI Email Assistant designed to reclaim professionals' time. Fyxer efficiently organizes inboxes, drafts responses in your unique voice, and manages meeting notes, allowing you to concentrate on what truly matters.We cater to a diverse clientele, from individual power users to enterprise teams at reputable companies like Knight Frank. Our users typically operate in client-facing roles, such as sales, consulting, and recruiting, where administrative tasks can hinder productivity and incur costs.The Role:Your primary focus will be on execution and experimentation. You will design and manage lifecycle campaigns primarily via Customer.io, while implementing a rigorous test-and-learn methodology to enhance user activation, retention, and growth across both prosumer and B2B audiences.As a rapidly evolving organization, there is much to learn about our Lifecycle operations. If you thrive in a fast-paced and dynamic environment, are highly proactive, and have a strong focus on commercial outcomes, you will excel in this role.Your Responsibilities:Experimentation: Lead a continuous test-and-learn initiative across lifecycle campaigns, including A/B tests, segmentation experiments, send-time optimizations, and copy variations, always driven by clear hypotheses.

Join our dynamic team at dev2 as a Senior SQL Server Developer. In this pivotal role, you will leverage your extensive expertise to design, implement, and maintain robust SQL Server solutions that drive our data management strategies. Collaborate with cross-functional teams to optimize database performance and ensure data integrity, while implementing innovative solutions to meet evolving business needs.

Join Laundryheap, an award-winning and innovative startup revolutionizing the laundry and dry cleaning sector. Operating in over 14 global markets and rapidly expanding across Europe, Asia, and North America, we take pride in our ability to deliver pristine laundry within 24 hours, establishing ourselves as one of the fastest services in the industry.The RoleAs the Senior CRM & Lifecycle Marketing Manager, you will spearhead Laundryheap's lifecycle messaging strategy, transforming first-time customers into loyal patrons and turning regular users into subscribers.This role is more than just executing campaigns; it’s a leadership position with a hands-on approach, positioned at the confluence of CRM, product, and data. You will architect the program from scratch, developing the strategy, structure, channel mix, and testing cadence while managing a talented team member to support your vision. Your success will be measured by repeat order rates and customer lifetime value (LTV) across various cohorts, setting the benchmark for your team's execution.You will directly oversee a Customer Lifecycle Manager, who will manage the daily execution and optimization of customer sequences through email, push notifications, SMS, and WhatsApp.Your ResponsibilitiesYou will own the entire retention cycle:Developing post-order habit sequences to encourage repeat purchases (1st → 2nd → 3rd+ orders)Creating win-back flows for lapsed customersDesigning upsell strategies for subscriptionsImplementing behavioral nudges and lifecycle triggersEstablishing suppression logic and CRM segmentation architectureOptimizing the channel mix across email, push notifications, SMS, and WhatsApp, ensuring effective integrationYou will track and report on key metrics:Repeat order rates across cohortsCustomer lifetime value and time to reorder metricsLapsed customer recovery ratesMonitoring unsubscribe and spam rates as performance indicatorsWho You AreEssential Qualifications:5+ years of experience in B2C lifecycle, retention, or CRM marketing, preferably within a consumer app or marketplace environmentHands-on experience in building automated sequences using behavioral CRMs (e.g., Customer.io, Braze, Klaviyo)Proven track record in conducting CRM experiments, including A/B testing on sequences, timing, copy, and segmentation, translating insights into actionable program improvementsExperience in managing lifecycle programs across multiple channels, including email and push notifications, as well as SMS or WhatsAppSkilled in writing briefs and copy independentlyAdept at analyzing cohort data using spreadsheets or BI tools to derive testing hypothesesUnderstanding of suppression logic, exit conditions, and sequence architecture beyond simple campaign executionWhat You Won't Be DoingWaiting for a brief; this role is responsible for crafting themReceiving a pre-defined strategy; you will shape, validate, and own the strategy that is developedManaging a large team; you will have a single direct report, allowing for streamlined decision-making and full ownership of the project

CUBE is a leading global RegTech firm at the forefront of regulatory intelligence for the financial services sector. Our innovative SaaS solutions, empowered by AI technology, simplify the complex and ever-evolving landscape of compliance for our clients.Why Join Us? CUBE is a globally recognized brand pioneering Regulatory Technology. Our state-of-the-art SaaS solutions are trusted by premier financial institutions worldwide. In 2024, we celebrated over 50% growth, achieved both organically and through two strategic acquisitions. We are a dynamic, high-performing team that thrives on innovation, continuously enhancing our products, services, and operations. At CUBE, we don’t just keep pace; we lead the way. We believe that our future is crafted by bold, ambitious individuals who are passionate about making a tangible impact. Our "make it happen" culture empowers you to take charge of your career, accelerating your personal and professional growth from day one. With a diverse team of over 700 CUBERs across 19 countries in EMEA, the Americas, and APAC, we work as one unified team with a common mission to reshape regulatory compliance. Diversity, collaboration, and a strong sense of purpose are the driving forces behind our success. We were among the pioneers to leverage AI in regulatory intelligence, and we continue to lead with our groundbreaking technology. At CUBE, you will collaborate with some of the brightest talents in AI research and engineering to develop transformative solutions that are redefining the regulatory compliance landscape.

ABOUT DROOLDROOL is an innovative e-commerce platform specializing in the sale of contemporary art prints and framed artworks from talented emerging artists. We have achieved profitable growth and are now dedicated to enhancing our strategies for customer acquisition, conversion, and retention as we scale.This position is part of our dynamic growth team and involves close collaboration with paid media, creative, and merchandising teams to optimize trading moments and increase repeat revenue through effective CRM strategies.ROLE SUMMARYWe are seeking a skilled CRM & Lifecycle Manager to take charge of daily email and SMS execution.This hands-on role emphasizes the development, deployment, and optimization of campaigns and automation flows. You will ensure that CRM initiatives drive key trading moments and facilitate repeat purchases, working in tandem with paid media and growth activities.Your focus will be on executing strategies, conducting consistent testing, and providing clear reporting on campaign performance.RESPONSIBILITIESCampaigns & Lifecycle ManagementLead the planning and execution of all email and SMS campaigns for product launches, sales, and other pivotal trading moments.Collaborate with growth and creative teams to brief, develop, and deliver campaigns that align with paid media and merchandising priorities.Design and enhance lifecycle journeys that promote repeat purchases and improve customer behavior from the first to the second order.Identify key customer segments and devise targeted campaigns tailored to them.Manage and optimize core automated flows, ensuring that messaging, timing, and frequency align with trading objectives.Testing, Reporting & Platform ManagementConduct structured testing across campaigns and flows to enhance performance over time.Monitor and report on revenue contributions, engagement metrics, and repeat behavior, using insights to guide future initiatives.Ensure robust segmentation, list health, and data integrity within the CRM platform.Oversee sign-up journeys and audience capture across the website.Requirements2 to 5 years of experience in CRM or lifecycle marketing within the e-commerce sector.Hands-on experience with CRM platforms such as Klaviyo or Ometria for building and executing campaigns.Ability to adhere to campaign calendars and meet deadlines effectively.Meticulous attention to detail and a capacity for rapid execution.Proficiency in leveraging data to evaluate performance and implement enhancements.Experience working collaboratively with growth and merchandising teams.Bonus Skills:Experience in boosting repeat purchase rates or customer lifetime value (LTV).Background in direct-to-consumer (DTC) or marketplace environments.Comfortable operating in a fast-paced startup atmosphere.BenefitsCompetitive salary package.Flexible working hours (3 office days per week in Shoreditch, London).25 days of annual leave, plus your birthday, a duvet day, and public holidays.Opportunity to work remotely for a week from abroad.

ASOS Plc is hiring a Head of CRM and Lifecycle Product to guide the CRM and Lifecycle Product team in London. This leadership role shapes how ASOS connects with customers and builds lasting relationships. Role overview The Head of CRM and Lifecycle Product focuses on driving customer engagement and retention. This position uses data insights to improve both product offerings and the overall customer experience. The role works closely with teams across the business to ensure strategies match company goals. What you will do Develop and implement CRM strategies that support customer growth and loyalty Optimize customer lifecycle processes to improve retention Collaborate with other departments to align CRM initiatives with business objectives Analyze customer data to spot trends and identify new opportunities Requirements Experience leading CRM and lifecycle product teams Strong background in using data to inform strategy Ability to work across functions and communicate clearly with stakeholders

Why Choose PlayStation?At PlayStation, we pride ourselves on not only being the ultimate destination for gamers but also a top-tier workplace. As a recognized leader in the global entertainment industry, we create a range of innovative products and services, including the PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and critically acclaimed titles developed by PlayStation Studios.We are committed to fostering an inclusive environment that empowers our employees and values diversity. We invite individuals who share a passion for innovation, technology, and gaming to explore our open positions and become a part of our expanding global team.The PlayStation brand operates under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.About PlayStation Game AnalyticsIn the Game Analytics team, we collaborate with product, design, engineering, and marketing teams to enhance player experiences through data-driven insights. Our mission is to empower teams to make informed decisions by integrating experimentation, lifecycle thinking, and player/customer insights into the evolution of our products. We support rapid iteration, personalization, and sustained engagement within live service environments across PlayStation Studios and platform teams.As a Lifecycle Data Analyst, you will be part of a multidisciplinary team dedicated to optimizing player/customer journeys through experimentation and lifecycle management. This role emphasizes experiment design, scalable measurement frameworks, and exploratory analysis that will shape personalized lifecycle content and messaging.In your role as a Data Analyst, you will collaborate closely with cross-functional partners to drive analytics initiatives across multiple game titles. Your contributions will span from early feature evaluations to live performance optimization, including experimentation, feature analysis, performance reporting, and exploratory research to guide product and business strategies.

About Checkout.com Checkout.com helps leading businesses such as eBay, ASOS, Klarna, Uber Eats, and Sony process payments smoothly. Our technology supports billions of transactions each year, making online checkouts simple for customers and reliable for merchants. Headquartered in London with offices on six continents, Checkout.com brings together a diverse, adaptable team focused on shaping the future of fintech. The company values performance and innovation, aiming to make payments effortless worldwide. Role Overview: Manager, Product Marketing – Credential Lifecycle The Manager, Product Marketing for Credential Lifecycle leads marketing for key product areas: vault services, network tokens, real-time account updates, and digital wallets. The role focuses on communicating the value of these features to merchants, translating technical details into clear business benefits. This position works directly with Product, Commercial, and Performance Marketing teams. Responsibilities include integrating product offerings into broader marketing strategies and delivering go-to-market campaigns that build understanding and drive adoption. Main Responsibilities Direct the marketing strategy for Credential Lifecycle products, including vault, network tokens, real-time account updaters, and digital wallet features, ensuring merchants see their value clearly. Plan and run go-to-market initiatives and campaigns to increase product visibility and usage. Partner with product and commercial teams to align marketing activities with business objectives. Location: London

Join the prestigious team at The Savoy Hotel, where luxury meets exceptional service. We are looking for enthusiastic and dedicated Bar Servers to provide top-notch service to our discerning guests. Your role will involve crafting exquisite cocktails, serving drinks, and creating memorable experiences for our visitors in a vibrant, stylish environment.

Role Overview Utility Warehouse is looking for a Frontend Software Engineer to join the Lifecycle Customer team in London. This group focuses on building web applications that improve how customers interact with our services and help keep them engaged. What You Will Do Work with designers and backend developers to create clear, responsive user interfaces Build features that make our digital products easier and more enjoyable to use Contribute ideas and code that influence our web platforms and customer experience About the Team The Lifecycle Customer team supports Utility Warehouse’s goal of delivering strong value to customers. Collaboration and a focus on usability are central to how we work.

Role overview Utility Warehouse is hiring an Associate Software Engineer for the Lifecycle Customer team in London. This role focuses on building and improving software that supports customers at every stage of their journey. What you will do Work with engineers, product managers, and other teams to design, build, and support software applications Help develop features that improve customer experiences Maintain and update existing systems to ensure they stay reliable and effective About the team The Lifecycle Customer team works across departments to deliver solutions that support Utility Warehouse’s commitment to strong customer service.

Join our innovative team at Utility Warehouse as an Associate Software Engineer specializing in Lifecycle Customer solutions. In this role, you will collaborate with cross-functional teams to develop and enhance software applications that improve customer engagement and streamline processes.

Your ImpactAs a Senior Platform Engineer at DISCO, you will lead significant projects and play a pivotal role in the success of our engineering teams. Your expertise will inform long-term strategic planning, mentorship for senior engineers, and steer technical decisions across various teams or departments. Your focus will be on system design, implementation, and the ongoing maintenance and enhancement of DISCO’s distributed data platform.What You'll DoTechnical Leadership and Mentorship: Assume a leadership role in project teams, guiding engineers and influencing technical decisions, while innovating and solving complex organizational challenges.Performance Optimization: Design systems that emphasize high performance, scalability, and reliability.Ownership: Proactively identify and address potential issues within products and systems, creating actionable plans for resolution.Stakeholder Engagement: Collaborate closely with stakeholders including product managers, designers, developers, and executives to ensure architectural designs align with business needs and customer expectations.Software Development: Develop, maintain, and enhance sophisticated, scalable, high-performance data software solutions tailored for our big data platform at a petabyte scale, ensuring architectural excellence.Code Quality and Optimization: Commit to and enhance code quality through thorough review processes, optimization techniques, and adherence to industry best practices.Technical Problem Solving: Tackle intricate technical challenges with innovative problem-solving approaches.Collaboration and Communication: Work effectively within the engineering team and cross-functional teams, fostering collaboration with engineers, product managers, and stakeholders during project planning and execution.Continuous Learning and Adaptation: Stay abreast of the latest technological trends and advancements, continuously improving your skills and knowledge to contribute innovative ideas to the team.Technical Documentation: Generate and maintain comprehensive technical documentation to ensure clarity and accessibility of information.Data Platform Development: Construct and sustain robust and scalable data platforms to facilitate analytics, machine learning, and business intelligence.Data Integration and ETL: Design and optimize ETL (Extract, Transform, Load) processes, ensuring efficient data integration.