Senior Backend Software Engineer - Customer Lifecycle

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 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.

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.

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.

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.

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

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.

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

Join Starling Bank, the UK's pioneering digital bank, on our mission to revolutionize banking! We have created a modern banking experience, harnessing technology to empower individuals in saving, spending, and managing their finances effectively.As a fully licensed bank, we embody the innovative spirit of a tech company, striving to make banking fairer, simpler, and more accessible for everyone. With over 3,000 employees across our offices in London, Southampton, Cardiff, and Manchester, we are at the forefront of the fintech industry.Our engineers are the heartbeat of Starling, thriving in a dynamic environment focused on building and innovating with cutting-edge technology. Our flat organizational structure encourages you to take initiative and collaborate, ensuring you have the support you need to excel.Success at Starling requires a proactive mindset and a commitment to ownership—be it through developing, designing, discovering, or sharing insights with your peers. Our mission aligns with five core values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.Hybrid WorkingWe embrace a hybrid work model at Starling, favoring candidates within a commutable distance of our offices for optimal collaboration and interaction.Engineering EnvironmentOur engineers eagerly contribute to delivering innovative features, regardless of their primary tech stack. Explore our insights through our latest blogs and case studies featuring Women in Tech.We value engagement and commitment to our customers, as well as the quality of code produced. Those who can tackle diverse challenges and collaborate across teams are vital in our mission to reshape banking for the better.

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

The Position: We are in search of motivated and passionate Graduate Software Engineers to join our dynamic Engineering team in London. The ideal candidates will collaborate within cross-functional teams alongside product managers and designers, working closely with various departments to produce quality code that addresses genuine challenges for both internal and external stakeholders. This role offers the opportunity to take ownership of the solutions your team develops, ensuring excellence in all released products while contributing to a high-performing international development team. If you’re eager to tackle real-world problems through coding and thrive in a results-oriented environment, this could be the perfect opportunity for you. Key Responsibilities: Craft Solutions: Identify and define optimal technical solutions to business challenges, contributing to an architectural vision aimed at establishing us as the world’s leading research platform. Deliver Functional Code: Engage with React for frontend development and Kotlin microservices with PostgreSQL for backend solutions, while also maintaining legacy services in Ruby on Rails. We continuously evaluate new technologies that might enhance our stack. Deploy and Improve: Release updates frequently to our users, utilizing CIrcleCI and Spinnaker for CI/CD processes and rapidly gather user feedback to inform subsequent iterations. Enhance Your Skills: Accelerate your learning through hands-on experience in building cutting-edge technology with seasoned professionals in a performance-driven setting. Engineers have access to our Learning and Development budget to quickly acquire specific technical skills. Monitor and Troubleshoot: Vigilantly oversee our services to identify errors proactively, diagnose root causes, and implement fixes efficiently. Your Profile: You are currently pursuing a degree in Computer Science or a related field. Technical Proficiency: Familiarity with Kotlin, Java, Python, or React is required. Demonstrated Achievements: You have a clear record of accomplishments in your studies or previous roles.

Caxton Associates, established in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai, and Bengaluru. The company manages both client and proprietary capital, offering a variety of investment products for different investor needs. Caxton operates with a multi-portfolio manager approach and specializes in discretionary global macro investing, applying expertise across asset classes and markets. Role overview The Software Development team at Caxton Associates in London is looking for a Python LLM Engineer. This team builds scalable, reusable, and efficient distributed services and applications that support users across the firm. What you will do Create and deploy Python workflows that use large language models (LLMs), integrating them into current business processes. Implement retrieval-augmented generation (RAG) and related architectures to ensure LLM outputs are grounded in proprietary data. Design secure data integrations by connecting models to internal knowledge bases, APIs, and document repositories. Automate research and operational tasks to improve efficiency and quality within the firm. Develop and maintain reliable data pipelines for document parsing, enrichment, and structured data extraction. Write maintainable, testable Python code to support scalable AI services in production environments. Run pilots and proofs of concept to showcase value and establish best practices for AI adoption at Caxton. Troubleshoot and enhance model performance, retrieval accuracy, and infrastructure reliability. Stay up to date with advances in LLMs, prompt engineering, and applied machine learning; evaluate and prototype new approaches. Location This role is based in London, England, United Kingdom.

About AntithesisAt Antithesis, we are on a bold mission to transform the landscape of testing and releasing modern distributed systems. Trusted by engineering teams worldwide, our platform guarantees unparalleled reliability, robust performance, and comprehensive technical insights. We understand the challenges developers face, from production outages to release delays caused by elusive bugs. If you share our passion for creating developer-centric solutions that enhance system resilience and accuracy, we invite you to join us.About the RoleAs a Customer Success Engineer (CSE), your role is pivotal in ensuring our customers achieve success. You will dive deep into understanding their complex software systems and pressing business requirements, leveraging our state-of-the-art platform to facilitate rigorous testing of their mission-critical applications. You will collaborate with engineers from innovative companies, identifying bugs before they reach users and contributing to their success.What You’ll DoCustomer Success Engineers must effectively grasp customers’ business goals and technological landscapes to deliver value throughout their journey—from onboarding to customization delivery and presenting impactful value propositions to customer leadership. Your responsibilities will also include identifying product feature gaps, uncovering new requirements, brainstorming novel application domains and product areas, and educating the tech industry on advanced testing techniques for large-scale applications.Every day will bring unique challenges—one day you might be onsite with a customer, resolving a critical bug and presenting findings to their entire team; the next, you’ll collaborate with peers in the office on pioneering testing techniques or enhance your skills by exploring the latest open-source technologies.

Entain seeks a part-time Retail Customer Service Associate based in London. This role centers on providing attentive and friendly service to everyone who visits the store. Role overview As a Retail Customer Service Associate, the main focus is to greet customers, answer questions, and ensure each shopper feels welcome. The position supports a positive store atmosphere by helping visitors throughout their experience. Key responsibilities Deliver friendly, attentive service to all customers Support shoppers during their visit Help create a welcoming environment in the store Location and hours This is a part-time position based in London.

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 Runna as a Senior Software Engineer II, where you'll play a pivotal role in enhancing our software solutions. You will collaborate with cross-functional teams to design, develop, and implement robust applications that meet our customers' needs. Your expertise will help us push the boundaries of technology, ensuring our products remain at the forefront of the industry.

Why Join Faculty?Founded in 2014, Faculty believes that artificial intelligence (AI) is poised to be one of the most transformative technologies of our era. Over the years, we have collaborated with more than 350 global clients, helping them enhance their performance through human-centered AI solutions. Discover our impactful projects here.At Faculty, we prioritize genuine innovation over fleeting trends. We focus on developing and implementing responsible AI that truly makes a difference. Our clients range across various sectors, including government, finance, retail, energy, life sciences, and defense, and we possess an unmatched depth of technical, product, and delivery expertise.As our reputation grows, we continuously seek talented individuals who share our intellectual curiosity and are eager to leave a positive legacy through technology.AI is a groundbreaking technology; join us to explore its most powerful applications and help bring them to life.About the TeamWithin our Professional and Financial Services Business unit, we leverage over a decade of Applied AI experience to assist our clients in navigating a fast-evolving landscape. We create and integrate AI solutions that enhance efficiency, improve customer experience, and uncover commercial opportunities in uncertain markets. In a highly regulated industry, we see immense potential for meaningful innovation and are proud to set the standard for combining technical excellence with secure deployment.About the RoleAs a Lead Software Engineer, you will drive the technical direction and execution of complex, innovative AI projects. Acting as a technical authority, you will apply your expertise across various initiatives, from AI strategy formulation to client-side implementations, ensuring that architectural decisions are both robust and reliable. This role requires a blend of profound technical knowledge and strong leadership capabilities, emphasizing innovation, team development, and the creation of reusable solutions across the organization. If you are ready to oversee high-stakes projects and deliver impactful, innovative results, this is your opportunity to shape our future.What You'll Be DoingLeading the technical direction and delivery of sophisticated AI projects.Applying your technical expertise to various projects, ensuring sound architectural decisions.Driving innovation while fostering team growth and collaboration.Building reusable solutions that can be leveraged across the organization.

Join Our Team as a Staff Software EngineerAt Deliveroo, we are dedicated to revolutionizing the way people shop and dine. Our commitment to impact, innovation, and growth is at the core of everything we do. Our engineering teams are tasked with addressing intricate technical challenges within a global, three-sided marketplace, developing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to robust infrastructure and marketplace optimization, we design, build, and operate the technology that fuels Deliveroo's expansive growth.We are seeking a Staff Software Engineer to become a key member of our London, UK - Hybrid (3 days in the office) team. In this pivotal role, you will help us craft technical solutions for essential business challenges and steer the technical direction for complex, high-scale systems.Discover our Engineering team — learn about our motivations, work culture, and what you can expect when you join us.