Senior Customer Success Engineer - API

Join our dynamic team at Hiya as a Customer Success Support Specialist. In this role, you will be pivotal in enhancing customer satisfaction by providing exceptional support and guidance. You will work closely with our clients to resolve their inquiries and ensure they derive maximum value from our products and services.

Join our dynamic team at Cognism as a Customer Success Training Specialist! In this role, you will play a pivotal part in empowering our customers through engaging training sessions and comprehensive onboarding experiences. Your ability to communicate effectively and your passion for customer success will ensure that our clients maximize the value of our products.

Role overview The Customer Success Manager for EMEA at hsi-1 acts as the primary point of contact for customers throughout the region. Based in London, this role centers on supporting clients, understanding their goals, and ensuring they gain lasting value from hsi-1’s products and services. Day-to-day work involves direct collaboration with customers to help them achieve successful outcomes. What you will do Develop and sustain strong relationships with clients to enhance their overall experience. Identify ways customers can use hsi-1’s products more effectively and recommend improvements. Collaborate with internal teams to address customer concerns and improve support processes. Lead onboarding and training sessions for new clients. Location This role is based in London, England, United Kingdom.

Join DeepLDeepL is a pioneering global AI product and research company dedicated to developing secure and intelligent solutions for intricate business challenges. Trusted by over 200,000 business clients and millions of individuals in 228 markets worldwide, DeepL's Language AI platform excels in human-like translation, enhanced writing, and real-time voice translation.Founded in 2017 by CEO Jaroslaw “Jarek” Kutylowski, DeepL has grown to over 1,000 enthusiastic employees, backed by renowned investors such as Benchmark, IVP, and Index Ventures.Our ambition is to lead the global market in reliable, intelligent AI technologies, crafting products that enhance communication, nurture connections, and generate meaningful impacts. We are on the lookout for talented individuals like you to embark on this journey with us. If you are eager to influence the future of AI and advance your career in a dynamic, purpose-driven environment, DeepL is the place for you.What Makes Us UniqueOur unique approach combines cutting-edge AI technology, impactful work, and a culture that nurtures personal growth. We are a collective of innovators, researchers, and creators united by a common goal: to unlock human potential by simplifying, enhancing, and connecting work processes.When we share insights about life at DeepL, the feedback is overwhelmingly positive. Whether it’s because of our technology that facilitates better communication and productivity for millions, or the trust, curiosity, and care that define our culture, our team thrives together.Joining DeepL means being part of a team committed to continuous innovation, growth, and well-being. Learn more about our culture on LinkedIn, Instagram, and our Blog.About the RoleAs a Senior Premium Support Specialist, you will be instrumental in providing high-level support to our Premium and Enterprise clients globally. You will adeptly troubleshoot complex issues, confidently manage escalations, and collaborate closely with internal teams to ensure effective resolutions and outstanding customer satisfaction. This position is perfect for someone who enjoys merging technical problem-solving with direct customer engagement and aims to significantly enhance the customer experience.

At Algolia, we take pride in being a trailblazer and market leader in AI Search, enabling over 17,000 businesses to provide ultra-fast, predictive search and browsing experiences at an internet scale. Each week, we handle more than 30 billion search requests — surpassing the combined totals of Microsoft Bing, Yahoo, Baidu, Yandex, and DuckDuckGo by fourfold.In 2021, we successfully raised $150 million in Series D funding, significantly increasing our valuation to $2.25 billion. This solid foundation allows us to continually invest in our leading platform and serve remarkable customers such as Under Armour, PetSmart, Stripe, Gymshark, and Walgreens.As a Customer Success Engineer at Algolia, you will be instrumental in ensuring our customers successfully adopt, implement, and scale our search and discovery platform. You will collaborate closely with clients to provide top-notch technical onboarding, solution design, best practices, and hands-on implementation support.This position is perfect for someone who possesses a deep curiosity, enjoys tackling complex technical challenges, and is excited by the prospect of learning and applying innovative technologies, including modern development patterns, cloud infrastructure, and cutting-edge AI capabilities. You will work across diverse customer architectures and use cases, assisting teams in designing high-performance, scalable solutions while promoting technical excellence.You will also support our Professional and Expert Foundation offerings, serving as the technical owner for your assigned accounts and ensuring seamless delivery through clear communication, detailed documentation, and thoughtful alignment with stakeholders.Success in this role requires a proactive, reliable, and collaborative approach, balancing customer-facing tasks with internal best practices such as accurate time tracking, effective documentation, and ongoing knowledge sharing.If you are enthusiastic about shaping customer outcomes, exploring new tools and technologies, and working within a team that values craftsmanship, curiosity, and continuous learning, we would love to connect with you.

InfoSum is seeking a Customer Success Associate to join the Client Services team in London. This team partners closely with clients, supporting their use of the InfoSum platform and helping them achieve the full value of their partnership. The role centers on providing guidance, sharing insights, and ensuring a positive client experience. Team focus The Customer Success team supports clients in developing first-party data strategies, adopting the InfoSum platform, and building long-term relationships. Team members consult on client needs, communicate feedback internally, and look for ways to improve the overall client journey. The team also assists with renewals, addresses platform issues, and finds opportunities to expand existing partnerships. Role overview As a Customer Success Associate, the main responsibility is to manage relationships with small to medium-sized businesses along with a select group of strategic clients. Collaboration with engineering, product operations, and commercial teams is key to helping clients reach their goals using InfoSum’s products. What you will do Independently lead daily interactions with assigned clients Serve as the primary advocate for clients, guiding them through internal processes and providing tailored support Assist clients in using the InfoSum platform for advanced and complex use cases Monitor and assess how clients collaborate with data to drive better results Work with clients to identify practical use cases and secure leadership buy-in for new initiatives Facilitate contract renewal discussions, aligning commercial terms with client leadership Develop shared success metrics and help clients overcome growth challenges Keep account processes organized to meet deadlines and efficiently launch new revenue initiatives Take on additional responsibilities as required by the business This position is based in London, England, United Kingdom.

WHO ARE WECognism is the premier provider of B2B data and sales intelligence across Europe. Our platform empowers businesses of all sizes to efficiently discover, connect with, and engage qualified decision-makers, enabling them to close more deals expeditiously. With our headquarters located in London and additional offices globally, Cognism’s contact data and contextual signals are relied upon by thousands of revenue teams to eliminate guesswork in prospecting.OUR WORK MODELHybrid: This role offers flexibility, allowing you to work from our London or Paris office three days a week, with the option to work remotely on other days.YOUR ROLEAs a French-speaking Solutions Specialist within the Customer Success team, you will serve as a strategic partner to Account Managers. You will lead the discovery, design, and implementation of tailored Cognism solutions when complex or high-growth use cases arise, ensuring alignment with the Customer Decision Cycle and Joint Business Plan.Your responsibilities will include owning the solution strategy for your engagements, ensuring that customers' strategic objectives, operating constraints, and go-to-market ambitions are translated into practical and scalable workflows within Cognism.

Join Xero as the Head of Customer Success, where you will lead our dedicated team to enhance customer satisfaction and drive engagement. In this strategic role, you will develop and implement robust customer success initiatives, ensuring our clients achieve their desired outcomes. Your leadership will inspire a culture of excellence and continuous improvement, fostering strong relationships with our valued customers.

About MixpanelMixpanel is an innovative event analytics platform designed for builders who require immediate insights from their data—no SQL expertise needed. By enabling everyone in the organization to visualize and learn from the effects of their contributions on product, marketing, and company revenue metrics, we empower teams to make informed decisions.With over 9,000 paying clients, including renowned companies like Netflix, Pinterest, Sweetgreen, and Samsara, Mixpanel helps organizations understand their customers and track progress effectively. We are dedicated to offering the most comprehensive and trustworthy analytics platform that is accessible and relied upon by all.About the Customer Success TeamThe Customer Success & Solutions Engineering teams at Mixpanel are dedicated analytics consultants who integrate with our enterprise clients to achieve their business objectives. We engage with prospects and clients across the customer journey to comprehend what adds value, acting as the technical partner to our Sales team to fulfill that value. You will collaborate closely with Account Executives, Account Managers, Product, Engineering, and Support teams to successfully implement self-serve analytics in our customers' organizations, manage change effectively, and execute technical projects and services that enhance customer satisfaction and drive ROI on their Mixpanel investment.About the RoleAs a Customer Success Architect, you will engage with customers at every stage of their journey to discern what drives value, from pre-sales proof of concepts to illustrate rapid time to value, to post-sales onboarding and implementation, ensuring customers are set for sustainable success with scalable implementations and best practices in data governance. Throughout the customer lifecycle, you will explore how analytics can propel business value and advise them on optimizing the Mixpanel experience, including managing change during the rollout, defining and achieving ROI, and pinpointing areas for enhancement in their current analytics usage. For large enterprise clients, following onboarding, you will also work with Account Managers to foster data trust and product adoption among over 100 end-user teams through a structured change management rollout approach.

Role Overview impact is hiring a Customer Success Manager in London. This role focuses on helping clients reach their goals and get the most value from our solutions. Building strong relationships and supporting customer satisfaction are central to this position. What You Will Do Support clients as they use our products and services Work closely with customers to understand their needs and objectives Strengthen long-term relationships to encourage continued success Help clients resolve issues and make the most of our offerings What We Look For Proactive approach to client support Strong focus on customer satisfaction Ability to build and maintain trust with clients

Role overview Campfire seeks a Customer Support Manager for the EMEA region, based in London. This position focuses on assisting customers with both technical and accounting questions, managing complex support cases, and developing a deep understanding of Campfire’s products. As Campfire expands, this role will influence how the company supports its users and shapes the customer experience. What you will do Handle a variety of customer support cases, including those involving technical and accounting matters Build and maintain detailed knowledge of Campfire’s products Collaborate with Product, Engineering, and Customer Success teams to share customer feedback and drive product improvements Help refine and enhance support processes and strategies as the company grows Who this role suits This role is a good match for someone who enjoys working through challenges, adapts easily to new situations, and is interested in developing leadership skills over time.

About Auror Auror helps the retail sector fight theft and Organized Retail Crime, a problem that costs $150 billion worldwide each year. These crimes are increasingly coordinated and affect individuals, retailers, and communities daily. Founded in New Zealand over ten years ago, Auror works with major retailers in the US, Canada, Australia, New Zealand, and the UK. The company connects people and intelligence to reduce crime and uses technology to make a positive difference. Auror partners with leading retailers and seeks people who are determined, creative, and ready to address a significant global issue. The team values those who want to make a real impact in crime prevention. AI is part of Auror’s toolkit, supporting trend detection, customer support, and internal improvements. The company encourages everyone to explore how AI can enhance their work, always with a focus on responsible use. Role Overview: Law Enforcement Success Specialist The Law Enforcement Success Specialist joins a Customer Success team that works closely with police forces across the UK. The team leads large-scale projects, runs training for thousands of users, and develops strategies to help partners protect communities. This role focuses on engaging and supporting police users and retail crime hubs. The specialist will help them understand and use the Auror platform in daily work, lead training sessions, support new deployments, and ensure smooth integration into police workflows. Building strong relationships and providing hands-on support are key to driving adoption and impact throughout UK policing. Key Responsibilities Deliver an excellent experience for Auror’s user community, supporting police users and retail crime hubs. Respond to questions via in-app chat, email, and phone, providing timely and practical help. Maintain data quality on the Auror platform by managing user profiles, comments, and engagement metrics.

Accurx is looking for a Customer Success Manager to join the team in London (Shoreditch). The focus of this position is to build and maintain strong relationships with clients, making sure they see real value from Accurx’s healthcare software. What you will do Work closely with customers to learn about their goals and any challenges they face Provide support and advice that fits each client’s unique situation Assist organizations as they adopt and use Accurx products in their daily work Promote customer satisfaction and encourage long-term success with Accurx solutions Role focus This role centers on understanding client needs and ensuring they benefit fully from Accurx’s healthcare technology. Building trust and delivering practical support are key parts of the job.

At NiCE, we embrace challenges and push beyond our limits. As ambitious game changers, we strive for excellence in every endeavor. If you share our passion for innovation and success, we offer a career opportunity that will ignite your potential.What Does the Role Entail?As a Customer Success Manager, you will take charge of fostering enduring relationships with our key NiCE CX customers post-purchase and throughout their product implementation journey. You will be their trusted advocate, ensuring they realize the full value of our solutions.Your engagement with customers will begin before they launch our contact center platform, and you will remain closely involved to guarantee adoption, measurable ROI, and long-term success.Our team comprises experienced customer success professionals who are dedicated to surpassing customer expectations. You will manage multiple high-touch, complex enterprise accounts, driving the adoption of AI-powered capabilities and enhancing overall customer experience.In partnership with customers, you will guide them in utilizing NiCE technology effectively, expanding usage, and nurturing long-term, loyal relationships. Your assigned accounts may include those with premium service packages, necessitating high levels of engagement and strategic guidance.Engagements with customers will occur through various channels including phone, email, chat, and video conferencing, with in-person visits as necessary. Travel to customer sites for value reviews and executive meetings will be expected.Collaboration is key; you will work independently as well as alongside Sales, Technical Support, Professional Services, Product Management, Engineering, and other teams to achieve the highest levels of customer satisfaction and success.Your Impact:Serve as the primary point of ownership for customer success across assigned accounts, coordinating NiCE CX resources to deliver outstanding outcomes.Develop and nurture strong, productive relationships with customers, holding regular success reviews to align with their contact center operations and business goals.

Join Harvey as the Head of Customer Success for the EMEA region, where you will lead our efforts in delivering exceptional customer experiences. You will be responsible for developing and implementing customer success strategies that foster long-term relationships with our clients, ensuring they achieve maximum value from our solutions.This role will involve collaboration with cross-functional teams to drive customer engagement and retention, while also identifying opportunities for growth within existing accounts.

Join anima as a Customer Success Manager, where you will play a pivotal role in ensuring our clients achieve their goals and maximize their value from our services. You will be the primary point of contact for our customers, guiding them through the onboarding process and providing ongoing support to enhance their experience with our innovative solutions.Your expertise will help identify customer needs and promote our solutions effectively. You will collaborate closely with various teams to ensure a seamless experience for our clients.

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.

About UsAt Plinth, we're a rapidly expanding tech startup dedicated to empowering charities, foundations, and local government. Many small, local charities are incredibly effective yet often remain under the radar due to time and financial constraints. Our mission is to create the essential tools these organizations need while highlighting their invaluable contributions. Discover more on our blog. Rapid Growth! This year, we are experiencing a phenomenal growth rate of 3-4x. With over 7 new clients joining us each month and new features being launched every few days, the pace is exhilarating. Your contributions will directly influence our scaling efforts, giving you significant responsibility from your first day. Meaningful Impact. Our clientele includes charities and grassroots organizations across the UK and soon internationally. By ensuring their success with our platform, you amplify their impact, allowing them to focus more on their core missions instead of grappling with administrative hurdles. Collaborate with Inspiring Colleagues. Our team is not only talented and collaborative but also possesses a unique charm. We prioritize impact, speed, and transparency. Working in our Old Street office fosters a high-trust, creative environment where innovative ideas are encouraged and acted upon.We are seeking both a Customer Success Manager and a Customer Success Associate. While the distinction may be subtle, typically, the Associate role requires 2-3 years of experience (essentially your second job), whereas the Manager role demands 3-5 years of relevant experience.

Join KnowBe4, the global frontrunner in Human Risk Management, where over 70,000 organizations worldwide have trusted us for more than 15 years to secure their workforce against cyber threats. Our pioneering approach to security is powered by AI since 2016, establishing us as market leaders from day one.Our innovative HRM+ solution integrates ongoing risk intelligence, advanced technical defenses, and tailored training programs to foster robust security cultures within organizations. We empower businesses to understand, measure, and mitigate human risk across their teams, fortifying them against deepfakes and other emerging AI-driven threats.At KnowBe4, we believe that safeguarding organizations from cyber threats goes hand in hand with making a positive impact on the environment. True resilience is collective; it’s about protecting our people, our data, and our planet.