Role Description As a Personal Account Rater, you will participate in a personalization evaluation project focused on assessing the quality of AI-generated responses using your primary personal Gmail account (@gmail.com). You will evaluate how effectively the system leverages your email history to deliver relevant and personalized responses across English and your native language. This role requires strong analytical skills, attention to detail, and the ability to evaluate prompts and responses in English. - Evaluating AI-generated responses based on your personal email history and account activity. - Assessing whether responses are relevant, accurate, helpful, and appropriately personalized. - Reviewing prompts and AI responses in English while considering personalization across English and your native language. - Identifying incorrect personalization, unsupported assumptions, or irrelevant recommendations. - Comparing multiple AI responses to determine which provides the better overall user experience. - Providing clear, detailed, and objective evaluation feedback in accordance with project guidelines. - Maintaining data privacy and following all project confidentiality requirements throughout the evaluation process. Qualifications - Language Proficiency: Native speaker of one of the following languages: German (DE), Korean (KO). - Location: Must currently reside outside the United States. - Personal Account: Must have an active personal Gmail account (@gmail.com) that you use as your primary email account. - Mixed-Language Inbox: Your inbox must contain a meaningful mix of English and your target language, with each language representing at least 30% of your total inbox content. - Gmail Language: Gmail display language may be set to either English or your target language. - English Proficiency: Must be comfortable reading, understanding, and evaluating prompts and AI-generated responses in English. - Email History: Must have a well-established inbox with approximately 1,000+ emails and regular account activity. - Consent: Willing to use your primary personal Gmail account for the evaluation and complete the required consent process. - Exceptional Analytical Thinking: Ability to assess AI responses for relevance, personalization quality, and overall helpfulness. - Attention to Detail: Strong ability to identify subtle issues and inconsistencies in AI-generated responses. - Communication: Excellent written communication skills for providing clear and structured evaluation feedback. - Independence: Self-motivated and able to work independently in a remote environment. - Technical Setup: Desktop or laptop with a reliable internet connection. Requirements - Bachelor's degree or equivalent practical experience in any field. - Experience in AI evaluation, data annotation, content review, quality assurance, or a related analytical role is preferred but not required. - Must be willing to use their primary personal account and sign the Required Consent form. Availability - Full-time, at least 4 hours per day and up to 40 hours per week with 4 hours of overlap with PST. Location - Greenlit (except USA). Contract Duration - 16 weeks.

Role Description As a Personal Account Rater, you will participate in a personalization evaluation project focused on assessing the quality of AI-generated responses using your primary personal Gmail account (@gmail.com). You will evaluate how effectively the system leverages your email history to deliver relevant and personalized responses across English and your native language. This role requires strong analytical skills, attention to detail, and the ability to evaluate prompts and responses in English. - Evaluating AI-generated responses based on your personal email history and account activity. - Assessing whether responses are relevant, accurate, helpful, and appropriately personalized. - Reviewing prompts and AI responses in English while considering personalization across English and your native language. - Identifying incorrect personalization, unsupported assumptions, or irrelevant recommendations. - Comparing multiple AI responses to determine which provides the better overall user experience. - Providing clear, detailed, and objective evaluation feedback in accordance with project guidelines. - Maintaining data privacy and following all project confidentiality requirements throughout the evaluation process. Qualifications - Language Proficiency: Native speaker of one of the following languages: German (DE), Korean (KO). - Location: Must currently reside outside the United States. - Personal Account: Must have an active personal Gmail account (@gmail.com) that you use as your primary email account. - Mixed-Language Inbox: Your inbox must contain a meaningful mix of English and your target language, with each language representing at least 30% of your total inbox content. - Gmail Language: Gmail display language may be set to either English or your target language. - English Proficiency: Must be comfortable reading, understanding, and evaluating prompts and AI-generated responses in English. - Email History: Must have a well-established inbox with approximately 1,000+ emails and regular account activity. - Consent: Willing to use your primary personal Gmail account for the evaluation and complete the required consent process. - Exceptional Analytical Thinking: Ability to assess AI responses for relevance, personalization quality, and overall helpfulness. - Attention to Detail: Strong ability to identify subtle issues and inconsistencies in AI-generated responses. - Communication: Excellent written communication skills for providing clear and structured evaluation feedback. - Independence: Self-motivated and able to work independently in a remote environment. - Technical Setup: Desktop or laptop with a reliable internet connection. Requirements - Bachelor's degree or equivalent practical experience in any field. - Experience in AI evaluation, data annotation, content review, quality assurance, or a related analytical role is preferred but not required. - Must be willing to use their primary personal account and sign the Required Consent form. Availability - Full-time, at least 4 hours per day and up to 40 hours per week with 4 hours of overlap with PST. Location - Greenlit (except USA) Contract Duration - 16 weeks

Role Description We are looking for an experienced Business Analyst with strong fintech, DLT, and trading and settlement experience to support a strategic initiative in the US. The project focuses on requirements engineering, process analysis, and cross-functional coordination between product, engineering, compliance, and operations teams. The goal is to translate complex regulatory and business needs into clear technical requirements for platform development. You will work closely with stakeholders across technology, product management, and regulatory functions to ensure that solutions are aligned with business objectives and financial market regulations. Qualifications - Proven experience as a Business Analyst, Product Analyst, or Requirements Engineer. - Background in fintech, DLT, trading and settlement, trading platforms, digital assets, or financial services. - Strong understanding of financial markets and regulatory frameworks. - Exposure to US financial regulations or securities authorities (e.g., the United States Securities and Exchange Commission, the Financial Industry Regulatory Authority, etc.). - Experience documenting requirements using structured methodologies. - Familiarity with Agile frameworks (Scrum / Kanban). - Hands-on experience with tools such as JIRA and Confluence. - Strong analytical thinking and structured problem-solving skills. - Ability to communicate effectively between business and technical teams. - Fluent English (written and spoken). Requirements - Elicit, structure, and document business and technical requirements. - Translate stakeholder needs into clear and actionable specifications. - Produce structured requirement documentation including functional specifications and user stories. - Ensure requirement traceability throughout the development lifecycle. - Analyze current workflows and system processes. - Identify inefficiencies and propose improvements to enhance operational and system performance. - Act as the interface between product management, engineering, compliance, and operations teams. - Facilitate communication and alignment across technical and non-technical stakeholders. - Provide regular updates on project progress, risks, and changes. - Collaborate with system architects and engineering teams to validate technical feasibility. - Work closely with developers and QA teams to ensure accurate implementation of requirements. - Support backlog refinement, sprint planning, and requirement clarification. - Assist in defining project scope, timelines, and milestones. - Maintain project documentation including status reports, risk registers, and implementation artefacts. - Facilitate communication and alignment between project stakeholders. Nice to Have - Exposure to European financial regulations or securities authorities. - Formal experience with project management frameworks and delivery governance. Benefits Ready for a hybrid setup in Frankfurt or Lindau that truly fits your life? Then apply now! Company Description 21X is a fintech at the forefront of revolutionizing capital markets through the use of blockchain technology for the trading and settlement of digital securities. In December 2024 we secured our license to launch and operate a ground-breaking DLT trading and settlement system (DLT TSS) trading venue, a milestone that positions the company as a leader in the transition to digital finance. 21X is ideally positioned to enable smart contract-based issuance, trading and settlement of tokenized stocks, bonds and funds, offering unparalleled transparency, efficiency and security. The exchange 21X was launched in September 2025, bringing the future of capital markets to life. We are a highly motivated global team of experts with a deep knowledge of capital markets, digital assets and public blockchains.

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Analyst, Business Development Our Purpose At Mastercard, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results. Position Title: Sr Market Development Rep Location: Brazil, Mexico, Columbia Overview: We are looking for a high-energy, strategic, and bilingual(Portuguese, English, Spanish) Senior Market Development Representative to spearhead our expansion into the Latin America and Caribbean (LAC) region. As a Senior BDR, you will be the engine of our regional growth, responsible for identifying, qualifying, and creating high-value opportunities within the merchant ecosystem. Key Responsibilities: Strategic Prospecting: Execute outbound multi-channel campaigns (email, phone, social, and networking) targeting Tier 1 and Tier 2 merchants across key markets like Mexico, Brazil, Colombia, and Chile. Pipeline Generation: Qualify inbound leads and proactively hunt for new business to maintain a robust pipeline for the Regional Sales Executives. Market Insight: Act as a subject matter expert on the LAC payments landscape, understanding regional nuances in fraud trends and merchant pain points. Solution Selling: Effectively communicate the value proposition of our chargeback-prevention and consumer-experience solutions to stakeholders across Finance, Fraud, and Digital Operations. CRM Excellence: Maintain meticulous records in Salesforce, ensuring all activity, account mapping, and deal stages are accurately tracked. Collaboration: Work closely with Marketing to refine regional messaging and with Sales Operations to optimize lead-to-opportunity conversion. All About You Bachelor's Degree Required "Can do" and positive attitude to effect change, open and creative mindset; comfortable with uncertainty, changing and fast paced environment. In-depth knowledge / experience using all relevant tools to source and prospect (LinkedIn Sales Nav, Zoominfo, Outreach.io, Gong, etc.) Technology and/or Payments Industry experience preferred Excellent oral and written communication, negotiation, sales acumen, product management, project management, leading and influencing others cross functional team members, and technology application skills are critical Required Skills and Experience:• 2+ years' experience in a Sales/Lead Generation (ideally selling software or software-as-a-service)• Experience selling into enterprise accounts• Determined personality and driven by results• Excellent verbal and written communication skills, including strong listening skills• Salesforce experience Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: - Abide by Mastercard's security policies and practices; - Ensure the confidentiality and integrity of the information being accessed; - Report any suspected information security violation or breach, and - Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.