
Prolific · San Francisco
SENIOR SOFTWARE ENGINEER Engineering Prolific Prolific is not just another player in the AI space – we are the architects of the human data infrastructure ...
Engineering
Prolific
Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the
landscape of AI development. In a world where foundational AI technologies are increasingly commoditized, it's the quality and
diversity of human-generated data that truly differentiates products and models.
The role
We’re looking for impact-focused Software Generalists to join our specialized team focused on serving frontier model creators and
enterprise AI application developers. As a full-stack engineer, you will work across Prolific’s domains to solve customer and
product problems.
This is an exciting opportunity to work directly with frontier AI companies, making critical technical decisions that balance
scrappy startup execution with scalable, reliable engineering, as Prolific revolutionizes research for the AI community. You'll
will have regular in person collaboration with customers and our US team, as well as collaborate closely with our UK-based tech
teams.
This role is hybrid based out of our San Francisco office, approx 1-2 days a week.
What you’ll bring to the role
What you’ll be doing in the role
This is a unique engineering role at Prolific.
In this role, you will operate with high ownership and a product mindset, at start-up pace, to solve customer problems and capture
business opportunities irrespective of the technology required to do so.
You will be part of a cross-functional Product Engineering team, optimised for the success of a single customer group. You will
collaborate directly with account managers, customer success specialists and customers to deeply understand their problem spaces.
You will ideate and build with autonomy, supported by a high-performing team.
This role will see you work across Prolific domains to solve customer problems, needing you to get up to speed quickly and deliver
across shared codebases to a high engineering standard. You will also help support our systems in production & respond to
incidents when required.
Key Technologies
Why Prolific is a great place to work
We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection
of high-quality, ethically sourced human behavioral data and feedback. This data is the cornerstone of developing more accurate,
nuanced, and aligned AI systems.
We believe that the next leap in AI capabilities won't come solely from scaling existing models, but from integrating diverse
human perspectives and behaviors into AI development. By providing this crucial human data infrastructure, Prolific is positioning
itself at the forefront of the next wave of AI innovation – one that reflects the breath and the best of humanity.
Join us to enjoy a competitive salary, benefits, and remote working within our impactful, mission-driven culture. At Prolific, our
compensation packages for eligible roles include base salary, equity, and benefits. Many roles also include the opportunity to
earn a cash variable element, such as a bonus or commission. Each job posting shows a salary range that reflects the minimum and
maximum target for new hires, based on the role’s location as well as your skills, experience, and relevant education or training.
You can check the job posting’s subtitle to see where the position is based. Your recruiter will also be happy to share the
specific salary range for your preferred location during the hiring process.
For pay transparency, the base salary range for this full-time role in San Francisco is $250,000 - $300,000 per annum.
Links to more information on Prolific
Benefits
External Handbook
Website
Youtube
Privacy Statement
By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation
planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process
your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific
use of your personal information.
This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Senior Data Analyst, Customer Interfaces We are seeking a high-impact, product-minded Senior Data Analyst to join our Customer Interfaces Data team. In this role, you will be the analytical engine behind proving how our customer-facing interfaces, localized user portals, and standardized design systems drive tangible business results. You will take a holistic, outcome-oriented view of the entire customer journey, moving away from traditional, siloed reporting to design advanced metrics frameworks that optimize interface experiences and reduce user friction. You will act as a strategic partner to Product, UX Design, and Engineering, directly influencing what we build, how we measure interface adoption, and how we empower product teams to make data-driven decisions independently. What you’ll do * Own the Interface Metrics Strategy: Design, deploy, and maintain robust metrics that directly align interface performance to merchant success. * Design System Analytics: Partner with our design and frontend engineering teams to measure the adoption, usability, and UI performance of standardized design system components across all platforms. * Drive Localization Optimization: Conduct rigorous data deep dives into localized products and market-specific interfaces to ensure Adyen's products feel native, intuitive, and conversion-optimized in every region. * Execute Rigorous A/B Testing: Design and execute large-scale conversion experiments and A/B tests to validate interface design hypotheses. Partner with teams to govern UX event-based analytics tools (such as Mixpanel) to measure user behavioral patterns cleanly. * Strategic product partner: Act as a trusted data consultant for product, design, and engineering. Provide proactive recommendations, challenge assumptions, and lead impact-driven reviews of our core customer-facing systems. Who you are * Seasoned Analyst: You have 7+ years of experience in product analytics, UX analytics, or web/mobile interface behavioral data roles within a fast-paced setting. * Experimentation and statistical expert: Proven experience in designing, driving, and rigorously analyzing large-scale experiments and A/B tests, including statistical analysis, that lead to significant, scalable business impact. * Technically Proficient: Advanced SQL and Python are part of your daily toolkit. You are "Data Engineer Lite," with hands-on experience using Airflow for orchestration and PySpark/Pandas for large-scale data processing in a Big Data environment (Hadoop/Jupyter). * AI-Native Thinker: You treat AI as a powerful collaborator. You are highly skilled in prompting, validating, and debugging AI-generated code and insights, keeping a sharp eye on data quality and governance. * Effective communicator: An excellent communicator in English who can deal with ambiguity, collaborate with diverse stakeholders, and translate complex insights for both technical and non-technical audiences in a global team. * Strategic executor: You excel at breaking down complex problems, prioritizing effectively, leading impactful projects, and aligning your work with strategic goals. * Curious and scalable mindset: You possess a curious mindset, with a continuous drive to iterate, improve, and find better, scalable solutions. This role's annual base salary range is $169,000 – $232,000 plus RSUs. To learn more about our compensation philosophy, please click here. Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What’s next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility. Adyen is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status. All your information will be kept confidential according to EEO guidelines. SAN FRANCISCO Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. This role is based out of our San Francisco office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.
About Adyen Adyen is the financial technology platform of choice for leading companies. By providing end-to-end payments capabilities, data-driven insights, and financial products in a single global solution, Adyen helps businesses achieve their ambitions faster. With offices around the world, Adyen serves customers including Facebook, Uber, Spotify, and Microsoft. The Role Adyen is seeking a visionary product leader to serve as our Head of Product for Developer Experience. Our developer platform is the foundation upon which thousands of businesses build their payment and financial systems. As our customers increasingly use AI-powered development tools to build their integrations, we are looking for an AI-native leader to set the strategy and accelerate the evolution of our platform. You will be responsible for the entire developer journey, from onboarding to the first API call to scaling globally. You will lead a team of talented product managers and tech writers to define and execute the roadmap for our APIs, SDKs, developer tooling, and documentation, ensuring Adyen provides a world-class, intuitive, and powerful platform for builders. What You'll Do * Set the Vision: Define and champion the product vision and strategy for Adyen’s developer platform and how it evolves in an AI-native world. * Own the Developer Journey: Take full ownership of the end-to-end developer experience, including API/webhook design, SDKs, documentation, sandbox environments, and identity & access management. * Drive Product Execution: Work cross-functionally with Engineering, Design, Developer Relations, and Marketing to deliver high-quality products and drive their adoption. * Lead and Mentor: Build, lead, and mentor a high-performing team of product managers dedicated to the developer ecosystem. * Be the Voice of the Developer: Engage deeply with our customers and the broader developer community to understand their needs, gather insights, and translate them into impactful products. Who You Are * An Experienced Product Leader: You have 15+ years of experience in technology, with at least 8 years in a product leadership role (e.g., Director, VP, or Head of Product). * A Developer Platform Expert: You have a proven track record of leading product for a successful, large-scale developer platform, API, or SDK product at a top-tier technology company. * An AI Native: You have demonstrable experience leading AI-powered product initiatives. You think natively about how AI can transform the developer experience and have experience with AI agents, copilots, or similar technologies. * Technically Adept: You have a strong technical background and are comfortable engaging with senior engineering leaders on complex system architecture and API design decisions. A background in engineering is a plus. * Customer-Centric: You are obsessed with the developer journey and have a deep empathy for the challenges and needs of builders. * Strategic & Impactful: You are a strategic thinker who can connect a high-level vision to a tangible, measurable roadmap and inspire a team to execute on it. Experience in fintech or payments is highly desirable. The annual base salary range for this role is $258,500 - $375,600; to learn more about our compensation philosophy, please click here Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What’s next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility. Adyen is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status. All your information will be kept confidential according to EEO guidelines. SAN FRANCISCO Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. This role is based out of our San Francisco office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.
Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people. While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms. The Opportunity: We are looking for Versatile, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale. As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base. While building components of powerful payment technology, you will get to see your efforts shaping the digital future of monetary transactions. The Work itself: Design code and systems that touch 40% of the world population while influencing Visa’s internal standards for scalability, security, and reusability Collaborate multi-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings Actively contribute to product quality improvements, valuable service technology, and new business flows in diverse agile squads Develop robust and scalable products intended for a myriad of customers including end-user merchants, b2b, and business to government solutions. Leverage innovative technologies to build the next generation of Payment Services, Transaction Platforms, Real-Time Payments, and Buy Now Pay Later Technology Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities Essential Functions: Demonstrates relevant technical working knowledge to understand requirements. Identifies and contributes to the development and solution strategies to team members that improve the design and functionality of interface features across one or more project features, under minimal guidance. Applies standard processes on the use of programming languages (e.g. HTML, C++, Java) to write code that fulfills website modification requests and technical requirements. Collaborates with others to support the piloting of new technology capabilities and features that enhance the user website experience across e-commerce products. Analyzes bugs for simple issues and applies debugging tools to verify assumptions. The Skills You Bring: Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale Challenge the Status Quo: Comfort in pushing the boundaries, “hacking” beyond traditional solutions Language Expertise: Expertise in one or more general development languages (e.g., Java, C#, C++) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc. Partnership: Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams Qualifications: Basic Qualifications Bachelor's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field AND minimum five (5) years of experience in a directly related field. OR Master's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field AND minimum three (3) years of experience in a directly related field. OR Minimum eight (8) years of directly related experience. Preferred Qualifications Programming Languages: Knowledge of and ability to develop front-end code (e.g. HTML, CSS, and JavaScript) in support of package and product development. This includes the extension of capabilities of packages and products. Web Browser Optimization: The ability to select the "best available" values of some objective function to improve the functional effectiveness of web browsers. User Interface Design: Knowledge of user interface design, which is the interaction where users and computers interact. This includes an understanding of how to provide an optimal industrial design experience through User Interface (UI) Design. API Generation: The ability to develop and apply Application Program Interfaces (APIs), a set of routines, protocols, and tools for building software applications that specify how software components should interact and are used when programming graphical user