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Mid Senior Python Developer jobs in London· Page 96

Results 1901–1920 of 3,373 for “Mid Senior Python Developer” in London.

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Version1 logo
Full-time|On-site|London

Join Version1 as a Senior Business Analyst, where you'll play a pivotal role in driving business transformation through data-driven insights. You will collaborate with cross-functional teams to analyze requirements, improve processes, and deliver strategic solutions that enhance operational efficiency.Your expertise will be essential in identifying business …

Mar 27, 2026
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loveholidays logo
Full-time|On-site|London

Why Join the Technology Team at loveholidays?At loveholidays, we are united in our quest to revolutionize travel. Our goal is to provide customers with unmatched choices, effortless planning, and exceptional value for their next holiday. Our passionate team acts as personal holiday advisors, ensuring every getaway is seamless and enjoyable.Our technology framework is at the heart of our ambition to lead the global packaged holiday market. We are committed to driving innovation and ensuring technical excellence to safeguard our future. Our systems handle a vast number of holiday offers daily, deploying over a thousand times each month and managing thousands of requests every second. Here, you will have the opportunity to accelerate your professional development by tackling complex challenges and expanding your expertise.Join us as we shape the future and take ownership of your success while working towards shared objectives. We actively engage in discussions about technology and adhere to our core technology principles that have guided our growth. With ambitious plans for expansion across Europe, we are on the lookout for the brightest minds and the latest technologies to help us succeed.About Our Team:Our dedicated technical team currently consists of five members, including the Senior Business IT Manager, two Senior System Administrators, and a System Administrator. As the third Senior System Administrator, you will play a pivotal role in providing support to our 400 staff at our Hammersmith headquarters, while also offering assistance to our Dusseldorf office and our two outsourced call centers in India and South Africa.Your Impact:In the role of Senior System Administrator, reporting to the Senior Business IT Manager, you will oversee the strategic and operational support essential for the seamless functioning of our IT systems across all regions. You will serve as a critical escalation point for both internal teams and external partners.Your Daily Responsibilities:Administer and support a large, multi-platform environment including Google Workspace and more.

Apr 2, 2026
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Capco logo
Full-time|On-site|UK - London

As a Senior Analyst in Internal Resource Management at Capco, you will play a pivotal role in optimizing resource allocation and enhancing operational efficiency within our teams. This position requires a strategic mindset and the ability to analyze complex data sets to inform decision-making processes. You will collaborate with various stakeholders to ensure that our resources are utilized effectively and aligned with our business objectives.

Apr 3, 2026
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Condukt logo
Full-time|On-site|London

Role OverviewCondukt is on the lookout for a dynamic Senior Account Executive to spearhead our next growth phase by managing and finalizing intricate, high-stakes enterprise agreements within the financial services sector.In this pivotal role, you will oversee the complete sales journey, starting from initial discovery and solution design to negotiation and closure, collaborating closely with rapidly evolving fintech companies. You'll act as a trusted advisor to senior executives, guiding them through complex compliance challenges while driving growth via Condukt’s innovative real-time identity verification and AI-enhanced platform.As a fast-growing startup, we cherish individuals who embrace responsibility, act with urgency, and are eager to contribute to the development of a market-defining product and a scalable enterprise sales process. You will collaborate closely with Account Management, Product Development, Engineering, and Leadership to refine our sales strategies and identify our target market.If you excel in consultative enterprise sales, relish the challenge of solving complex issues for clients, and wish to have a significant impact on our strategy and execution, this opportunity is tailored for you.Your Responsibilities:Lead the entire enterprise sales cycle for new strategic clients, from initial discussions through to contract negotiations and closureFacilitate complex, multi-stakeholder negotiation processes (spanning over 6 months), adeptly managing procurement, legal, security, and compliance assessmentsForge robust relationships with senior stakeholders across Risk & Compliance, Product Development, Operations, and C-suite executives, establishing Condukt as a long-term strategic allyConduct discovery-led, consultative sales processes that thoroughly understand customer workflows, regulatory challenges, and success metricsCreate and present executive-level and technical presentations, customizing value propositions for various audiencesCollaborate seamlessly with teams to ensure smooth transitions, successful implementations, and readiness for expansion post-contractWork alongside Product and Engineering teams to influence roadmap priorities, providing structured customer feedbackHelp develop scalable sales playbooks, pricing strategies, and go-to-market initiativesRepresent Condukt at industry events, conferences, and customer interactions, serving as a trusted voice within the fintech communityYour Qualifications:Proven track record in enterprise sales, particularly within the financial services or fintech sectorsExceptional relationship-building skills with C-suite executives and senior managementStrong negotiation and presentation abilities, with a knack for tailoring messaging to diverse audiencesExperience navigating complex compliance landscapes and regulatory frameworksPassion for technology and innovation in the fintech space

Mar 16, 2026
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Samba TV logo
Full-time|On-site|London

Samba TV is a cutting-edge media intelligence company leveraging AI to provide marketers with a comprehensive understanding of their audiences. Our innovative AI technology indexes media consumption across millions of smart TVs and 2.5 billion web pages, integrating this data with third-party signals via the Samba Knowledge Graph. This graph offers insights into the real interests, behaviors, and purchase intentions of 1.5 billion user profiles worldwide. Brands, agencies, publishers, and platforms rely on Samba to make informed decisions at every stage of the marketing funnel.As a strategic Senior Sales Manager, you will spearhead the sales of Samba's advertising, measurement, and research solutions, empowering brands and agencies to convey impactful messages across all screens while accurately measuring business outcomes. The perfect candidate will cultivate and manage the entire client relationship, from senior marketing decision-makers to agency partners. We seek a self-driven professional with outstanding communication skills and a robust understanding of digital and programmatic advertising. This role suits someone who excels in a fast-paced, dynamic environment and is motivated by growth opportunities. In this role, you will also have the opportunity to influence our product roadmap and sales and marketing strategies, thus driving significant impact throughout the organization.

Apr 2, 2026
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Wizeline logo
Full-time|Hybrid|London

Join Our Team as a Senior/Staff Fullstack Software Engineer!Location: Fitzrovia, London (Hybrid – 4 days in-office, 1 day remote)About Wizeline:Wizeline is a pioneering global technology solutions provider that harnesses the power of AI to craft innovative digital products and platforms. Our partnerships with clients enable us to leverage data and AI to expedite market entry and catalyze business transformation. Within our vibrant community of innovators, we cultivate a culture that prioritizes growth, collaboration, and impact.At Wizeline, we believe that with the right people and ideas, there are no limits to our achievements.Are You the Right Fit?If you are excited about technology and innovation, we want to hear from you! We are seeking a Senior or Staff Fullstack Software Engineer to contribute to pivotal projects for our esteemed client in London. In this role, you will be responsible for developing scalable, high-performance services that power the next-generation financial platform, which includes applications for deal execution, invoicing, payment distribution, and financial reporting. You will play an essential role in architecting backend systems, integrating with external platforms, and delivering features that streamline complex revenue and transaction workflows throughout the organization.This position operates under a hybrid work model based in Fitzrovia (London), requiring four (4) days in-office and one (1) day remote.Key Responsibilities:Design and implement services to support revenue workflows, payment logic, and invoicing pipelines.Develop robust APIs and full-stack features, utilizing type-safe ORM tooling for schema management and query composition.Manage integration with internal systems (e.g., Salesforce, NetSuite) and external providers (e.g., banks, payment processors).Implement structured financial logic including contingent payments, commission calculations, and milestone-based billing.Incorporate AI/LLM capabilities using Claude (Anthropic) and utilize Cursor as a core development tool to enhance delivery speed.Build and deploy infrastructure in AWS.Translate complex business rules into deterministic backend logic including commissions, milestones, payee splits, and contingent payments.Implement robust data flows between Client Processing, Deal Management, and Authoritative Data domains.

Mar 20, 2026
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Egis Group logo
Full-time|On-site|London

Join our dynamic team at Egis Group as a Senior Systems Integration Engineer specializing in rail systems. In this pivotal role, you will be responsible for integrating complex systems that enhance the efficiency and safety of rail operations. Your expertise will contribute significantly to the evolution of rail transport, ensuring seamless integration of technologies within our projects.As part of a collaborative environment, you will work closely with cross-functional teams to design, implement, and optimize systems, leveraging your technical skills while also engaging in problem-solving and project management. Your contributions will be vital in delivering high-quality solutions that meet the needs of our clients.

Apr 9, 2026
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Lendable logo
Full-time|On-site|London

About LendableAt Lendable, we are committed to creating state-of-the-art technology that empowers individuals to obtain credit and save money. Our goal is to become one of the leading fintech companies globally, and we are already making significant strides:Recognized as one of the UK's newest unicorns with a growing team of over 700 professionals.Ranked among the fastest-growing technology firms in the UK.Achieved profitability since 2017.Supported by prominent investors such as Balderton Capital and Goldman Sachs.Highly rated by customers, boasting an impressive 4.9 rating across thousands of reviews on Trustpilot.We have successfully re-engineered the Big Three consumer finance products: loans, credit cards, and car finance. Our innovative approach enables us to deliver funds to our customers in minutes rather than days.As we continue to expand, we are targeting the largest Western markets (UK and US) where significant financial assets are managed by traditional banks with outdated systems and cumbersome processes.Join Us If You Want ToTake ownership of a wide range of responsibilities. You will be empowered to make impactful decisions that steer the direction and success of Lendable from day one.Collaborate with small teams of exceptional talents who are dedicated to problem-solving and generating innovative solutions that disrupt the status quo.Develop cutting-edge technology in-house, leveraging new data sources, machine learning, and AI to automate processes effectively.About the RolePersonal loans represent the fastest-growing consumer credit product in the US, with originations soaring by 26% last year alone. There is a growing demand from Americans for more affordable, quicker, and transparent alternatives to credit card debt and traditional bank loans.Having established a profitable and market-leading business in the UK, Lendable successfully launched US Personal Loans in 2022. After four years of developing credit models, customer experiences, and operational frameworks, along with nearly $500 million in originations, we are well-prepared for the next exciting phase: aggressive growth into the largest lending markets.

Apr 9, 2026
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Elliptic logo
Full-time|On-site|London, United Kingdom

Join our innovative team at Elliptic as a Senior Data Engineer, where your expertise will help shape the future of blockchain intelligence. We are looking for a talented individual who is passionate about data engineering and wants to make an impact in the cryptocurrency space.In this role, you will design, develop, and optimize data pipelines, ensuring the integrity and accuracy of data that drives decision-making across the organization. Your work will involve collaborating with various stakeholders to identify data needs and implement solutions that enhance data accessibility and usability.

Apr 9, 2026
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Turner Townsend logo
Full-time|On-site|London

Join Turner Townsend as a Senior Consultant in our dynamic Real Estate Advisory team. This is an exciting opportunity to provide strategic insights and expert guidance to clients navigating the complexities of the real estate market. You will leverage your extensive experience to deliver high-quality consultancy services, helping clients achieve their property objectives while ensuring value for money.In this role, you will collaborate with cross-functional teams, analyze market trends, and develop tailored solutions that meet client needs. Your expertise will drive successful project outcomes and enhance client satisfaction.

Apr 10, 2026
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Feeld logo
Full-time|Remote|Remote — London, England, United Kingdom

At Feeld, we are pioneering a world where deeper connections flourish among individuals and within themselves. Our focus is on developing an inclusive, human-centered product, and we are currently seeking a Senior Marketing Analyst to join our remote team in our mission to enhance the human experience surrounding sexuality and relationships.As a key member of our Data team, you will collaborate closely with Marketing, taking charge of comprehensive, high-volume analyses that drive our campaigns, experiments, and strategic growth decisions. This role is ideal for a professional who takes pride in their analytical craft—creating robust templates, rigorously testing assumptions, and presenting impactful data at critical moments to inform strategic clarity and confidence. You possess a strong commercial acumen, enabling you to link data insights to business outcomes that inspire actionable strategies.In close partnership with our existing Analyst, you will manage analyses across CRM, Performance Marketing, Creative, ASO, and Experimentation. Your ability to work asynchronously with teammates across various time zones will be essential.Key ResponsibilitiesLead and sustain Feeld's marketing attribution modeling to ensure a precise understanding of growth drivers, informing budget allocation and strategic decisions.Conduct audience segment analyses, evaluate customer behavior, and assess funnel performance across acquisition, conversion, and retention, providing insights that enhance targeting and optimization throughout the marketing lifecycle.Keep a pulse on competitor activity and market trends, synthesizing relevant signals to inform our marketing strategy.Oversee the delivery of post-analysis findings for CRM campaigns, performance advertisements, incrementality outputs, CPP/ASO analyses, and creative performance reporting, refining templates as strategies evolve.Support the comprehensive experimentation lifecycle, from pre-analysis validation and experiment setup to quality assurance of results, maintaining statistical integrity throughout.Establish and uphold a performance tracking schedule, contributing to cross-functional marketing reviews, proactively identifying outliers, and executing structured analyses that lay the groundwork for future strategies.Ensure that analytical results are well documented, reproducible, and easily transferable, while continuously seeking opportunities to streamline and automate recurring tasks.Opportunities for GrowthGain in-depth expertise across the entire marketing analytics spectrum, from campaign measurement to incrementality testing and creative analytics.Engage with an innovative data team that embraces experimentation with new tools, methodologies, and operational models.Play a pivotal role in establishing Feeld's analytical foundation within a dynamic, high-growth environment.

Apr 7, 2026
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flohealth logo
Full-time|On-site|London

Join flohealth as a Senior UX Researcher and play a key role in shaping the user experience for our innovative health solutions. You will lead research initiatives, utilizing a variety of qualitative and quantitative methods to gather insights that drive product design and enhance user satisfaction.Your expertise will influence the development of our products, ensuring they meet the needs and expectations of our diverse user base. Collaborate closely with cross-functional teams including product managers, designers, and developers to translate research findings into actionable recommendations.

Apr 7, 2026
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Avalere Health logo
Full-time|Hybrid|London

About Avalere HealthAt Avalere Health, we are united by a profound mission: to reach every patient possible. We are dedicated to ensuring that every patient is identified, treated, supported, and cared for equitably. Our Advisory, Medical, and Marketing teams collaborate powerfully and intentionally to create unconventional connections, paving the way for a future where healthcare is accessible and no patient is left behind.Realizing our mission begins with providing enriching, purpose-driven careers for our team, empowering them to make a significant impact on patients' lives. We are committed to fostering a culture where our employees are encouraged to bring their authentic selves to work, leveraging diverse backgrounds and skills to make a difference for patients everywhere.Our flexible working arrangements allow our global teams to choose their work environment, whether in-office or remote, based on team and client needs. Major city hubs in London, Manchester, Washington, D.C., and New York serve as collaboration centers where our teams come together when necessary. Remote workers are equally supported with dedicated social opportunities and resources.Diversity and inclusion are at the core of our culture. We proudly support our employees in bringing their authentic selves to work through our six Employee Network Groups – Diverse Ability, Family, Gender, LGBTQ+, Mental Health, and Race/Ethnicity. These groups foster diversity, equity, and inclusion, providing opportunities for connection, learning, and socialization through regular meetings and programs.We are deeply committed to the professional development of our employees through day-to-day career experiences, access to thousands of on-demand training sessions, regular career discussions, and opportunities for global, cross-capability career advancement.As part of the Disability Confident Scheme, we ensure fair interview processes for candidates with disabilities, long-term health conditions, or neurodiversity. If you require adjustments during the application process, please inform us.

Jan 27, 2026
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Acturis logo
Full-time|Hybrid|London, England, United Kingdom

At Acturis, innovation is woven into our very fabric. Since our inception in 2000, founded in the humble garden shed of co-founder Theo Duchen, we have revolutionized insurance technology alongside former McKinsey partner David McDonald. From our startup roots, Acturis has evolved into a global leader in SaaS, reshaping the insurance landscape.Today, more than 100,000 users across 40+ countries trust our platform to enhance their business operations. By collaborating with brokers, insurers, and MGAs, we are continuously redefining modern insurance in both personal and commercial sectors.Recognized as a Great Place to Work® in 2026, Acturis blends the agility and innovative spirit of a startup with the robustness and reliability of an industry leader. Joining our team means becoming part of an environment where expertise is honored, ideas are rapidly implemented, and where talented individuals can make a significant impact from day one. As an EcoVadis Committed rated organization, we are dedicated to creating long-term value through sustainable and responsible practices.Your daily responsibilities will include:• Serving as a senior escalation point for resolving complex L2 issues across laptops, VDIs, servers, and enterprise platforms within a hybrid environment.• Enhancing endpoint management and cloud-integrated services using tools such as M365, Intune, PowerShell, and Atlassian platforms.• Implementing intricate system and infrastructure changes, conducting root cause analyses, and providing mentorship to junior engineers through technical guidance and documentation.We offer well-structured professional development, clear advancement opportunities, and genuine ownership, whether it involves leading projects, driving operational enhancements, or mentoring peers. You'll thrive in a collaborative atmosphere where high achievers progress swiftly.What you can look forward to:• A transparent career advancement structure, regular feedback, and annual performance evaluations.• Opportunities to spearhead cross-functional initiatives, influence tooling and support practices, and assist in the growth of junior team members.• Comprehensive onboarding, ongoing professional development, and access to training and certification pathways.

Apr 13, 2026
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PhysicsX logo
Full-time|On-site|London, United Kingdom

Join PhysicsX as a Senior Machine Learning Infrastructure Engineer and play a pivotal role in shaping our machine learning capabilities. In this position, you will architect, develop, and scale our infrastructure to support advanced machine learning models and applications. Collaborate with cross-functional teams to ensure seamless integration and high performance of our ML systems.

Apr 13, 2026
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WPP Media logo
Full-time|On-site|London, United Kingdom

About WPP MediaWPP is the trusted growth partner for the world’s leading brands. We leverage exceptional talent, reliable data and insights, alongside world-class partnerships—all integrated through our pioneering marketing platform, WPP Open. Our goal is to assist clients in navigating change, seizing opportunities, and achieving transformational growth.WPP Media functions as WPP's AI-driven media operating unit, merging media, data, and strategic partnerships to provide creative personalization at scale. Through WPP Open and powered by Open Intelligence, our clients gain clear visibility into the effectiveness of their media investments.For further information, please visit wppmedia.com.

Apr 7, 2026
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Ankar logo
Full-time|On-site|London

Position OverviewInnovation in the corporate world is undergoing a transformation. The existing systems designed to cultivate and safeguard innovation are unable to keep pace with rapid changes. Currently, 90% of the value of S&P 500 companies is intangible, primarily in the form of intellectual property, yet R&D and IP teams devote 50% of their time on tedious manual tasks, navigating through patents and documentation instead of advancing new ideas. Our mission is to revolutionize this process.At Ankar, we are developing the AI operating system for innovation, transforming how organizations create and secure their inventions. Our platform streamlines the transition of ideas into defensible intellectual property through a comprehensive suite of AI-powered modules, including patent drafting, office action responses, and infringement detection.We are at a pivotal moment:We have raised over $24M from leading venture capitalists such as Atomico, Index Ventures, and Norrsken, along with notable angel investors like the Founder of Hugging Face and executives from Datadog and OpenAI.Our clientele includes some of the world's most innovative firms, such as Fortune 500 giant L’Oréal and the global law firm Vorys.We are expanding our exceptional team, which includes alumni from Palantir, Amazon, and BCG, to tackle the immense $1T+ innovation market. We are just getting started.We are looking for driven individuals to join our team who are ready to take ownership of challenging projects, address complex high-impact problems, and achieve their best work. This role is perfect for a Senior Software Engineer/Tech Lead who excels in ownership, speed, and influence, and who desires to develop products in close collaboration with users.Key Responsibilities:Create exceptional products. Design, build, and maintain scalable, reliable systems and user-centric product experiences that our customers rely on.Transform complex challenges into reliable software. Utilize first principles to convert ambiguous requirements into clear, maintainable, production-ready solutions.Deliver swiftly and iterate continuously. Launch quickly, gather real feedback, and refine the product iteratively with direct customer input.Oversee complete project execution. Assume full responsibility for projects encompassing frontend, backend, and deployment—from design to implementation.

Mar 6, 2026
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Multiverse logo
Full-time|On-site|London

At Multiverse, we are at the forefront of transforming education through our innovative upskilling platform aimed at enhancing AI and tech adoption.With partnerships across over 1,500 organizations, we are redefining the learning experience and equipping today’s workforce with essential skills.Our apprenticeships cater to individuals of all ages and career stages, enabling them to acquire vital AI, data, and tech skills. Our learners have collectively generated over $2 billion in ROI for their employers, demonstrating the tangible impact of their enhanced capabilities.Following a successful $220 million Series D funding round in June 2022, co-led by StepStone Group, Lightspeed Venture Partners, and General Catalyst, we have reached a post-money valuation of $1.7 billion, establishing us as the UK’s first EdTech unicorn.We are not slowing down. With a robust operational presence and a team of over 800 employees, we have ambitious plans for continued growth. We envision a future where tech skills unleash human potential and enhance productivity.Join Multiverse and contribute to our mission of empowering the workforce to excel in the era of AI.

Feb 13, 2026
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Funding Circle logo
Full-time|Hybrid|London

Join Our Mission to Empower UK’s Small Businesses At Funding Circle, we are dedicated to supporting small businesses, the backbone of our economy. Our innovative platform leverages data to provide them with the funding they need in mere minutes, revolutionizing the way loans are serviced.Our culture blends the dynamic energy of a fintech startup with the stability of a public enterprise, allowing Circlers to take ownership and create impactful change.We pride ourselves on being a high-performing team that lifts each other up, fostering a collaborative environment where we challenge and support one another. Together, we achieve more and build better solutions.The impact is significant: Our platform generated £7.2bn for the UK economy last year Join us on a mission that truly matters![Check Our Impact Report] | [View Our Trustpilot]The Role London (Hybrid) | 2 days in the office | Competitive Salary + BenefitsWe are seeking an experienced Senior Engineer to join our Collections, Recovery & Litigation (CRL) and Investor Management (IM) team.In this role, you will enhance and maintain systems designed to simplify the loan servicing process for our Funding Circle Borrowers and manage investor data effectively, ensuring smooth investor relations and access to investment information.Lead initiatives that address challenges faced by our internal Collections and Recoveries teams, enhancing the experience for businesses in distress.Collaborate closely with teams utilizing investor data, understanding their workflows, obstacles, and forming solutions to alleviate them.Automate manual processes across Engineering and Operations, improving efficiency.Demonstrate a passion for building innovative solutions while also being comfortable navigating an existing codebase.Thrive in complex problem domains, utilizing straightforward software systems to address them.

Apr 9, 2026
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Multiverse logo
Full-time|On-site|London

About Multiverse Multiverse partners with over 1,500 companies to help integrate AI and technology skills into workplaces. Our mission is to equip people at any career stage with practical abilities in data, AI, and tech through inclusive apprenticeships. Our learners have driven more than $2 billion in measurable ROI for employers, boosting productivity and business outcomes. In June 2022, Multiverse raised $220 million in Series D funding, co-led by StepStone Group, Lightspeed Venture Partners, and General Catalyst. This round brought our post-money valuation to $1.7 billion, making Multiverse the first EdTech unicorn in the UK. Today, more than 800 employees work across our growing operations. We continue to expand, aiming to help more people unlock their potential with in-demand tech skills. Role: Senior Funding Scrutiny & Audit Specialist Location: London

Apr 20, 2026

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