Senior Business Analyst, Prolific
High-quality human-powered data at scale
Open for applications
High-quality human-powered data at scale
101-200 employees
Open for applications
101-200 employees
Company mission
To accelerate human understanding.
Role
Who you are
- Is exceptional at translating data into clear, actionable recommendations and can independently drive analysis end-to-end
- Turns complexity into crisp, actionable, business-ready insights
- Enjoys shaping structure in ambiguous spaces — e.g., defining what “healthy marketplace dynamics” look like across supply, demand, and pricing
- Brings strong judgment, navigates trade-offs, and adapts quickly in a fast-moving environment
- Is energised by the intersection of data, product thinking, and operational strategy
- Proven experience working with senior leadership to shape decisions
- Ability to understand business drivers across GTM, Finance, Support, CX, and Product, and connect them to insights
- Ability to influence without authority, build cross-org alignment, and challenge assumptions constructively
- Strong judgment and comfort navigating ambiguity, trade-offs, and competing priorities
- Exceptional communicator able to synthesise data into compelling stories and clear recommendations
- Experience developing KPI frameworks, performance diagnostics, and insight narratives that drive action
- Bias for clarity, precision, and “so-what” impact
- Actively identifies opportunities and issues before they surface —
- E.g., spotting early signals of supply constraints, demand shifts, or emerging risks
- Comfort structuring ambiguous areas from first principles —
- E.g., defining what “healthy marketplace dynamics” look like across supply and demand
- Ability to ask (and reframe) the right questions to unlock insight
- Familiarity with marketplace or B2B metrics; experience in a marketplace environment highly valued
- Solid understanding of how operational signals roll up to financial outcomes
- Commitment to analytical excellence — including documentation standards, templates, and peer-review processes
- Deep interest in AI systems, human-in-the-loop evaluation, or responsible AI (experience valued but not required)
- Strong experience with modern BI tools (Metabase, Looker, Tableau, etc.). Experience with dbt/semantic models highly desirable
- Ability to design scalable dashboards, models, and workflows that hold up under executive scrutiny
- Strength in turning complexity into clarity — high-quality, business-ready outputs
What the job involves
- We’re hiring a Senior Business Analyst to join our central Business Analytics team
- You’ll partner closely with senior stakeholders across Prolific to deliver high-quality analytics, strategic insights, and proactive discovery that shape company direction
- Lead high-impact analyses that clarify performance, diagnose issues, and inform strategic decisions
- Build KPI frameworks and business-health reporting tailored to senior leadership
- Own analytical workstreams feeding business reviews, forecasting inputs, and executive updates
- Act as a trusted partner to senior leaders, providing clarity, structure, and insight
- Drive alignment on metrics, definitions, and success criteria across teams
- Translate analysis into clear next steps that enable accountability and action
- Identify leading indicators, emerging risks, and opportunities ahead of time (e.g. spotting early signals of supply constraints or demand shifts)
- Understand the mechanics of our marketplace deeply and connect patterns across supply, demand, pricing, operations, and customer behaviours
- Highlight where interventions are needed and recommend strategic and operational responses
- Build scalable dashboards and reporting that underpin decision-making across the business
- Work closely with analytics engineering to improve data models and ensure consistency
- Contribute to improving team processes — documentation, analytical templates, and peer-review standards
Our take
Founded in 2014, Prolific is a marketplace and data analysis company that provides researchers with a network of test participants. From eye-tracking to human-facing AI applications, Prolific’s network acts as both a recruiter for test participants and as a marketplace for researchers scientists to hire said participants.
Founded in 2014, it’s already used by the likes of Google, Stanford, Oxford and Kings College London Universities to test new AI products, providing “stress tests” for its clients. Prolific’s user base now counts over 2000 potential test subjects, whilst researchers leverage its network to launch surveys, tests and evaluation tasks every 2 minutes.
An indicator of Prolific’s success is maintaining of profitability for years after its initial Y Combinator investment. In 2024, it raised $32 million in Series A to maintain its healthy position. This funding will allow it to expand its operations.
Freddie
Company Specialist at Welcome to the Jungle
Insights
Company
Funding (1 round)
Jul 2023
$33.7m
Series A
Total funding: $33.7m
Company benefits
- Bank holiday swaps
- Enhanced sick pay
- L&D budget – £1000 per year
- 25 days annual leave + bank holidays
Company values
- We win together
- We care deeply about our customers
- We make every minute count
- We're optimistic and find a way
- We embrace change
- We aim high
Company HQ
Kings Cross, London, UK
Leadership
Phelim Bradley
(Co-Founder & CEO)Currently also Venture Partner at Pioneer Fund. Previously Dphil at Wellcome Trust Centre for Human Genetics, Bioinformatics Intern at Illumina and MPhil of Computer Biology at University of Cambridge.
Diversity, Equity & Inclusion at Prolific
- At Prolific, we want all of our employees, researchers, and participants to be included and so we commit to having ongoing discussions about diversity and inclusion and regularly look at areas where we can improve. This policy aims to: - treat all our employees fairly and respectfully, regardless of their job status, location, or work hours ⏰ - avoid any illegal discrimination based on age, disability, gender, gender identity, marriage or civil partnership, pregnancy and maternity, race or ethnicity, religion or belief, sexual orientation, and traveler status. These are protected by the UK Equality Act (2010), Ireland Employment Equality Act (2004), Americans with Disabilities Act (ADA) at the federal level and the New York State Human Rights Law (NYSHRL) at the state level. ⚖️ - refuse to tolerate any kind of illegal discrimination 🙅🏻♀️. This includes pay and benefits, work conditions, grievance and discipline handling, termination, redundancy, parental leave, flexible working requests, employment selection, promotion, training, and other opportunities for development.
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