Best Big Data Companies to Work for in London (216)
GRAIL is a healthcare company whose mission is to detect cancer early, when it can be cured. GRAIL is using the power of high-intensity sequencing, population-scale clinical studies, and state-of-the-art computer science and data science to enhance the scientific understanding of cancer biology, and to develop and commercialize pioneering products.
GRAIL's Top Workplace Perception Strengths
Mission & Purpose: The mission to detect cancer early is widely described as a powerful source of meaning and motivation. Feedback suggests day-to-day work feels impactful because it ties directly to patient outcomes and high-stakes science.
Team Support: Colleagues are often portrayed as smart, collaborative, and supportive, creating a strong peer environment. Feedback suggests cross-functional teamwork and opportunities to own meaningful projects are common positives.
Benefits & Perks: Pay and benefits are frequently considered competitive, with mentions of comprehensive health coverage, flexible time off, and hybrid/remote options. Feedback suggests wellness resources and occasional shutdowns add to the appeal.
Together, we power advertising that enables billions of people to stay informed, entertained, and connected. We introduce them to new ideas, products, and services that make their lives better. And we help media owners of all sizes realize their full potential. That’s a lot — that’s the power of advertising. But it’s only possible with great technology. And that’s where Magnite...
Magnite's Top Workplace Perception Strengths
Work-Life Balance: A structured hybrid schedule (remote Mondays/Fridays; in-office Tuesday–Thursday) plus generous PTO, quarterly wellness days, and year-end closures support sustainable routines. Workloads are often manageable outside peak periods, reinforcing balance.
Team Support: Colleagues are frequently characterized as smart, collaborative, and supportive, with cross-functional partnership emphasized. This environment enables learning and problem-solving on challenging ad-tech work.
Benefits & Perks: Comprehensive offerings include day-one healthcare, family leave, wellness initiatives, equity/ESPP, retirement programs, and catered office perks. These benefits are presented as a strong component of the overall experience.
InterSystems builds the software that makes complex systems work—reliably, securely, and at scale. For more than 45 years, we’ve been the information engine behind some of the world’s most mission-critical applications in healthcare, government, and business. Our data management, integration, and analytics technologies help organizations connect disparate systems, turn data into insight, and deliver better outcomes. From enabling interoperable healthcare and...
InterSystems's Top Workplace Perception Strengths
Team Support: Colleagues are often described as smart, helpful, and collaborative, making it easy to get assistance across teams and technologies. Feedback suggests a low‑ego, community feel where people readily help even during busy periods.
Work-Life Balance: Pace is generally sustainable and planned to avoid burnout, with many noting steady, non‑startup rhythms. Feedback suggests balance is one of the more consistently positive aspects, though it can vary by role or client needs.
Benefits & Perks: Health coverage, wellness programs, and generous PTO are highlighted alongside other tangible perks. Feedback suggests the overall benefits package stands out relative to other aspects of the experience.
Liftoff is a leading AI-powered performance marketing platform for the mobile app economy. Our end-to-end technology stack helps app marketers acquire and retain high-value users, while enabling publishers to maximize revenue across programmatic and direct demand. Liftoff’s solutions, including Accelerate, Direct, Monetize, Intelligence, and Vungle Exchange, support over 6,600 mobile businesses across 74 countries in sectors such as gaming, social, finance,...
Liftoff's Top Workplace Perception Strengths
Work-Life Balance: Flexible, remote-first work with unlimited PTO and purposeful in‑person gatherings is portrayed as supporting balance. Policies like year‑end closures and async norms are cited as meaningful enablers.
Team Support: Colleagues are often described as smart, collaborative, and helpful across functions. Low micromanagement and supportive engineering practices are highlighted as day-to-day strengths.
Autonomy: Employees are depicted as having end-to-end ownership and latitude to act without heavy bureaucracy. Cultural pillars emphasize agency/urgency and fast decision-making.
Rubrik (NYSE: RBRK), the Security and AI Operations Company, leads at the intersection of data protection, cyber resilience, and enterprise AI acceleration. Rubrik Security Cloud delivers complete cyber resilience by securing, monitoring, and recovering data, identities, and workloads across clouds. Rubrik Agent Cloud accelerates trusted AI agent deployments at scale by monitoring and auditing agentic actions, enforcing real-time guardrails, fine-tuning...
Rubrik's Top Workplace Perception Strengths
Autonomy: The culture emphasizes ownership, high-velocity decision-making, and open debate, with room to make an impact. Employees are encouraged to take significant responsibility and operate with independence across teams.
Learning & Development: The work is described as technically challenging with a steep learning curve, exposing people to sophisticated problems. New hires and early-career talent are given real projects and mentorship, with many noting substantial growth over time.
Compensation: Pay and benefits are considered a relative strength, with opportunities for equity participation and wellness programs. Total rewards are often viewed more favorably than other categories such as management or advancement.
Nexthink is the global leader in digital employee experience management. Our platform empowers IT teams with real-time visibility, analytics, and automation to proactively detect and resolve issues across any application, device, or network—before they affect employees. By shifting IT from reactive problem-solving to continuous optimization, Nexthink enables more than 1,300 organizations to create productive, seamless, and satisfying digital workplaces for...
Nexthink's Top Workplace Perception Strengths
Team Support: Colleagues are frequently portrayed as smart, collaborative, and supportive across teams. A "one team" atmosphere with peers willing to share expertise is emphasized.
Work-Life Balance: Work-life balance is considered a strength for many, including recent accounts highlighting sustainable rhythms in some organizations. Hybrid and remote-friendly practices are highlighted across several roles.
Benefits & Perks: Perks such as strong health/wellness benefits, hybrid flexibility, food and office perks, parental leave, volunteer days, and in some regions unlimited PTO are highlighted. Coaching and development programs for individual contributors and managers are also described.
Dynatrace lets customers understand their business like never before, so they can see beyond the complexity, find and fix problems faster and automate manual tasks with Al — so they can focus on what truly matters: running their business.
Dynatrace's Top Workplace Perception Strengths
Work-Life Balance: Work-life balance is consistently described as strong, supported by flexible hours, hybrid/remote options, generous PTO, and company-wide Wellness Days.
Team Support: Colleagues are often seen as supportive, knowledgeable, and collaborative across many teams, creating a friendly environment.
Learning & Development: Learning opportunities are emphasized through certifications, mentoring, conferences, and clear specialist and people-leader career tracks.
We are a global investment research and financial data company with 40-plus offices across North America, Europe, Australia, and Asia. Our products and services are used daily by individual investors, financial advisors, asset managers, retirement plan providers, and institutional investors. We provide data, research, and analysis across managed investment products, publicly listed companies, private capital markets, debt securities, and real-time...
Morningstar's Top Workplace Perception Strengths
Work-Life Balance: Flexible schedules and reasonable hours are commonly described, with hybrid policies and trust-based time off supporting balance. Many roles report a manageable pace compared with higher-pressure finance or big-tech environments.
Team Support: Colleagues are often seen as supportive, collaborative, and inclusive, fostering a collegial “one-team” environment. Day-to-day interactions are frequently characterized by approachable, helpful teammates.
Learning & Development: Professional growth is emphasized through training, education support (e.g., CFA), and internal mobility opportunities. Early-career pathways and skill-building are highlighted across several functions.
TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...
TransUnion's Top Workplace Perception Strengths
Work-Life Balance: Feedback suggests time/location flexibility is commonly available, helping people manage personal needs alongside work. Many roles are described as offering hybrid or remote options that support clearer boundaries.
Benefits & Perks: Feedback suggests the benefits package is broad, with healthcare coverage, retirement programs, flexible time off, wellness resources, parental leave, and career coaching highlighted. These offerings are often cited as a standout part of the overall proposition.
Team Support: Colleagues are often seen as smart, collaborative, and supportive, creating a positive day-to-day environment. Feedback suggests inclusive teams and helpful peers are frequent bright spots.
The database market is big. How big? Well, according to IDC, it’ll reach $153 billion by 2027. And MongoDB is at the forefront of that innovation with thousands of customers across the globe. We empower developers and businesses to build and deploy the applications they want, wherever they want.
MongoDB's Top Workplace Perception Strengths
Learning & Development: Learning is emphasized with formal programs such as professional-skills training, coaching, leadership development, and regular growth discussions, and many employees describe meaningful opportunities to learn new things. Engineering contexts are often portrayed as technically deep with mentorship, strong onboarding, and ownership early in one’s career.
Compensation: Pay is considered competitive, with total rewards frequently highlighted as a strength alongside broad health, family, wellness, equity, and time-off offerings. Company materials and employee accounts alike describe compensation and benefits as a notable positive relative to other aspects of the experience.
Autonomy: Autonomy is strongly encouraged through values like “Own What You Do” and a debate-then-commit ethos, with individuals expected to take initiative and be accountable for outcomes. Flexible working models (in-office, hybrid, fully remote, and customer-facing remote) further reinforce trust in how people structure their work.
Celonis makes processes work — for people, companies, and the planet. Powered by process mining and AI, the Celonis Process Intelligence Platform integrates process data and business context to create a living digital twin of business operations. We enable thousands of companies worldwide to understand how their business actually runs and, together with their partners, build intelligent solutions that transform...
Celonis's Top Workplace Perception Strengths
Team Support: Colleagues are often described as smart, collaborative, and willing to help, with cross-functional teamwork emphasized across international offices. Consulting and Value Engineering materials also highlight knowledge-sharing and supportive teammates.
Learning & Development: Continuous learning is positioned as central to People & Culture, and many roles offer a steep, rewarding learning curve through complex enterprise data and Fortune 500 client work. Mentoring, training, and exposure across functions further reinforce skill growth.
Innovation & Products: Work is portrayed as interesting and technically ambitious, centered on process mining/process intelligence with expanding AI features. Emphasis on customer impact and solving complex operational problems adds to the sense of meaningful work.
Nasuni is a leading unstructured data platform for enterprises where file data is mission-critical for both people and AI. We power the operational file layer where work happens — helping organizations manage, protect, and activate data so teams can work smarter, reduce costs, and operate securely without limits. Built on a patented architecture that fuses cloud object storage with enterprise...
Nasuni's Top Workplace Perception Strengths
Work-Life Balance: Flexible schedules, locations, and work-from-home options are highlighted. Balance is generally described as good, with flexible PTO frequently noted.
Team Support: Colleagues are often seen as knowledgeable, friendly, and collaborative. An easygoing, sociable team dynamic is described across multiple functions.
Innovation & Products: Engineering work is frequently characterized as interesting and impactful, with complex problems engaging technical staff. The quality of engineering managers is also called out positively in recent accounts.
ZipRecruiter is a leading online employment marketplace. Powered by AI-driven smart matching technology, the company actively connects millions of all-sized businesses and job seekers through innovative mobile, web, and email services, as well as partnerships with the best job boards on the web. We're growing rapidly in pursuit of this mission, and we're always looking for talented people to join...
ZipRecruiter's Top Workplace Perception Strengths
Mission & Purpose: Mission-driven work is framed as building a widely used hiring marketplace that helps employers and job seekers, which can feel concrete and socially useful. Pride is tied to labor-market visibility and day-to-day impact at scale.
Benefits & Perks: Benefits are described as comprehensive, including medical/dental/vision coverage, family-building support, mental-health resources, and financial advisory services. Time-off and wellness-oriented perks are presented as a meaningful part of the employee value proposition.
Work-Life Balance: Flexibility through remote and hybrid options is positioned as a strong fit for people who value location freedom and sustainable routines. Work-life balance is portrayed as reasonable in many teams when compared with other aspects of the experience.
Launched in 2006, Amazon Web Services (AWS) began exposing key infrastructure services to businesses in the form of web services -- now widely known as cloud computing. The ultimate benefit of cloud computing, and AWS, is the ability to leverage a new business model and turn capital infrastructure expenses into variable costs. Businesses no longer need to plan and procure...
Amazon Web Services (AWS)'s Top Workplace Perception Strengths
Career Growth: Opportunities to take on impactful work, pursue internal mobility, and advance are repeatedly highlighted. Exposure to cutting-edge cloud technologies and certifications is seen as accelerating professional trajectories.
Learning & Development: Hands-on work with modern systems, structured training, and support for AWS certifications are frequently cited. Colleagues and teams are described as talented, fostering rapid skill development.
Compensation: Pay is considered competitive with higher-than-average salaries and regular increases in many roles. Total compensation, including equity and bonuses, is viewed as attractive in many cases.
Telana are experts in applied innovation, focused on delivering business outcomes through AI, data, software development, and cloud engineering expertise. Formed by the combination of Ancoris and Sundown Solutions, together we leverage our problem solving skills and end-to-end capabilities to help you create better digital experiences for your customers and employees. As a top-tier partner of Google Cloud and Microsoft, the...
Exegy provides ultra-high performance, hardware-accelerated computing appliances that process market data for financial organizations. Exegy is the established leader in providing real-time market data solutions with an unparalleled combination of speed, capacity, features, and service. Today Exegy serves as a strategic partner to leading principal traders, agency brokers, exchanges, Alternative Trading System (ATS) and dark pool operators, market makers, hedge funds,...
Tamr provides the only AI-Native Master Data Management (MDM) solution that delivers real-time master data for every dashboard, application, and person in your business. Tamr accelerates the discovery, enrichment, and maintenance of Golden Records, enabling informed decision-making, improved revenue growth, and better customer experiences. Tamr’s patented, AI-centric approach – with human refinement and oversight – delivers value in days or weeks,...
Your data shouldn’t be a problem to manage. It should be your superpower. The Confluent data streaming platform transforms organizations with trustworthy, real-time data that seamlessly spans your entire environment and powers innovation across every use case. Create smarter, deploy faster, and maximize efficiency with a true data streaming platform from the pioneers in data streaming. Learn more at confluent.io.
Confluent's Top Workplace Perception Strengths
Recognition: Recognition includes being named a “2026 Best Place to Work” by Built In, reinforcing a strong external employer brand. The repeated framing of the company as a recommended place to work further supports a positive reputation signal.
Compensation: Compensation is described as highly satisfying overall, including pay, stock, equity, and benefits, and is characterized as competitive with top-tier tech companies. This perceived strength in total rewards contributes to an attractive employer profile.
Innovation & Products: Innovation & Products are highlighted through Confluent’s leadership position in data streaming and work built around Apache Kafka and “data in motion.” The work is positioned as cutting-edge and impactful, implying strong appeal for candidates seeking meaningful technical challenges.
At GAINS, our quest is to democratize supply chain planning. The GAINS Supply Chain Performance Optimization Platform helps businesses large and small Move Forward Faster with greater agility, resilience, confidence, and sustainability. The GAINS AI-driven cloud platform delivers continuous cost and profit optimization via machine learning, proven algorithms, and actionable analytics for global manufacturing, distribution, retail, and service parts/maintenance operations....
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