Weekday (YC W21)

General Counsel

• Run the same set of prompts across two AI (LLM) platforms
• Compare outputs from both platforms side by side
• Score each response against a standardized rubric
• Submit concise written feedback for every evaluation
• Serve as an expert reviewer benchmarking how well AI systems answer real questions of Japanese law

In-House Counsel, Japan

Voice Actor

• Record Castilian Spanish audio for a leading AI lab
• Help improve the AI model’s ability to handle and produce audio data
• Speak using a neutral-to-upbeat customer service voice with clear enunciation and consistent pacing
• Record or edit transcripts to match natural punctuation and pacing
• Submit professionally edited WAV audio files meeting the specified technical standards
• Participate in onboarding and a kickoff call after contract acceptance and ID verification

Spanish Professional Voice Actor

Full-stack Engineer

• Design, develop, and maintain production-grade MCP servers and MCP integrations
• Build backend services and APIs using Node.js/TypeScript, with integration across Java-based systems where required
• Design secure and scalable REST APIs using OpenAPI/Swagger specifications and well-defined versioning strategies
• Develop and deploy serverless backend solutions using AWS Lambda and API Gateway
• Configure and work with AWS VPC, Secrets Manager, and CloudWatch for secure networking, credential management, monitoring, and observability
• Implement secure authentication and authorization mechanisms using OAuth 2.0, including client credentials and on-behalf-of flows
• Design and manage secure API key authentication and credential-handling processes
• Define MCP tools, schemas, descriptions, and interfaces that enable LLMs and AI agents to reliably use backend capabilities
• Understand how tool definitions and descriptions influence LLM and agent behaviour, and continuously improve tool usability and reliability
• Build validation, error handling, logging, monitoring, and failure-recovery mechanisms for MCP and API integrations
• Identify and address authentication, authorization, credential exposure, data-access, and other security risks before production deployment
• Troubleshoot production issues across MCP servers, APIs, AWS services, authentication flows, and integrations
• Collaborate with engineering, product, AI, and infrastructure teams to translate requirements into scalable technical solutions
• Contribute to architecture reviews, technical documentation, coding standards, and engineering best practices
• Continuously improve the reliability, security, scalability, and maintainability of AI-enabled backend systems

Java Full Stack Developer

Software Engineer

• Design, develop, and maintain scalable backend systems for fintech and financial operations
• Build services supporting business accounts, payments, cards, FX, and multi-currency transactions
• Develop robust APIs and integrations with banking, payment, card, and financial infrastructure providers
• Implement transaction workflows covering authorization, processing, settlement, failure handling, and reconciliation
• Design systems for idempotency, retries, webhooks, transaction state management, and failure recovery
• Build and maintain financial ledgers, balances, transaction records, and reconciliation processes
• Support multi-currency financial operations, including currency conversion and cross-border transaction workflows
• Design accurate, consistent, and auditable financial data models and database structures
• Implement secure access controls, authentication, authorization, and protection of sensitive financial data
• Build monitoring, logging, alerting, and operational tooling for critical financial workflows
• Integrate third-party financial APIs while handling provider-specific behaviours, failures, rate limits, and inconsistencies
• Optimize backend services and databases for performance, scalability, reliability, and availability
• Write clean, testable, maintainable, production-ready code
• Develop unit, integration, and end-to-end tests for critical financial workflows
• Troubleshoot production issues, perform root-cause analysis, and implement sustainable fixes
• Collaborate with Product, Engineering, Operations, Compliance, and external partners to deliver features end-to-end
• Contribute to architecture decisions, technical documentation, engineering standards, and platform strategy
• Identify opportunities to automate operational processes and improve system reliability
• Own technical deliverables from initial design through deployment and production support

Founding Engineer

Attorney

• Run the same set of prompts across two AI (LLM) platforms
• Compare outputs from both platforms side by side
• Score each response against a standardized rubric
• Submit concise written feedback for every evaluation

Corporate/M&A Lawyer

• Run the same set of prompts across two AI (LLM) platforms
• Compare the outputs from both platforms side by side
• Score each response against a standardized rubric
• Submit concise written feedback for every evaluation

Litigation Lawyer – France

• Record high-quality voice samples across conversational, narrative, instructional, and other scripts
• Deliver clear, natural, and expressive speech with control over tone, pacing, and pronunciation
• Maintain consistency in voice, accent, and delivery across recording sessions
• Follow recording guidelines for environment, microphone setup, and file formatting
• Perform multiple takes with variation in emotion, emphasis, and style when required
• Contribute recordings for training and evaluation of text-to-speech systems
• Recordings used exclusively for the client's internal CX AI Agent

Voice Actor, CX Agent Voice Cloning – Swiss German

• Design, develop, and maintain scalable backend services and MCP servers for AI-powered applications
• Build and deploy production-ready MCP integrations that enable LLMs and AI agents to interact with external tools and systems
• Define clear and reliable MCP tool schemas, descriptions, parameters, validation rules, and response structures
• Design RESTful APIs following established API design principles and OpenAPI/Swagger specifications
• Implement API versioning strategies that support backward compatibility and safe evolution of integrations
• Develop cloud-native services using AWS Lambda and API Gateway
• Configure and manage AWS networking components including VPCs, security boundaries, and service connectivity
• Secure application credentials and sensitive configuration using AWS Secrets Manager
• Implement monitoring, logging, alerting, and operational visibility using CloudWatch and related AWS services
• Implement secure authentication and authorization mechanisms using OAuth 2.0, including client credentials and on-behalf-of flows
• Design and manage secure API key authentication and credential management processes
• Apply strong security practices across APIs, MCP servers, cloud infrastructure, and integrations
• Ensure credentials, tokens, secrets, and sensitive data are appropriately protected throughout the application lifecycle
• Collaborate with product and engineering teams to understand integration requirements and translate them into technical solutions
• Troubleshoot production issues, investigate integration failures, and perform root-cause analysis
• Write clean, testable, maintainable, and production-ready code
• Develop unit, integration, and API tests to ensure reliability and security
• Contribute to CI/CD pipelines, deployment automation, documentation, and engineering standards
• Monitor system performance and reliability and identify opportunities for optimization
• Stay current with MCP, LLM tooling, AI agent architectures, cloud technologies, API security, and emerging AI integration patterns

Lead Engineer

Salesforce Developer

• Design, develop, and maintain CRM Analytics dashboards, lenses, datasets, recipes, and dataflows
• Build and optimize Salesforce native reports, custom report types, dynamic dashboards, filters, cross-filters, bucket fields, and summary formulas
• Develop interactive analytics using SOQL, SAQL, bindings, filters, and faceting
• Configure and validate Einstein Discovery / Prediction Builder models and monitor predictive scoring and refresh activities
• Implement formula fields, roll-up summaries, and supporting Salesforce schema changes to ensure reporting accuracy at the source
• Gather analytics requirements from Sales, Revenue Operations, Finance, Operations, and senior business stakeholders
• Define and document metric definitions, calculation logic, data lineage, refresh schedules, and reporting standards
• Identify and resolve Salesforce data-quality issues, including duplicates, inconsistent classifications, ownership gaps, territory issues, and inaccurate stage values
• Reconcile Salesforce metrics with Finance and operational systems of record and investigate variances to root cause
• Implement row-level and field-level security based on Salesforce sharing and visibility requirements
• Apply data classification, access-control, customer-segment, and jurisdictional handling requirements to analytics assets
• Manage analytics changes through source control, sandbox testing, documented validation, and controlled production releases
• Maintain an inventory of analytics assets and retire redundant, unused, or outdated reports and dashboards
• Provide Tier 2/3 support for dashboard issues, dataflow failures, reporting defects, and performance problems
• Train business users on self-service reporting and create guidance for recurring analytics requirements
• Evaluate Salesforce seasonal releases for analytics-impacting changes and regression-test critical reporting assets
• Collaborate with enterprise data and BI teams when Salesforce data is integrated into downstream platforms and reporting environments

Salesforce Engineer

• Run the same set of prompts across two AI (LLM) platforms
• Compare outputs from both platforms side by side
• Score each response against a standardized rubric
• Submit concise written feedback for every evaluation
• Benchmark how well AI systems answer real questions of German law

In-House Counsel, Germany

Communications

• Interpret statements, minutes, speeches and wording changes from a specific non-G7 central bank in its source language
• Compare current language against prior guidance and prevailing market expectations
• Assign calibrated dovish-to-hawkish scores and explain implications for rates, FX and equities
• Review model-generated analyses and grade them against personal standards
• Apply point-in-time discipline using only information available at the stated evidence cutoff

Central Bank Expert – Non-G7 Policy Communication

Financial Planning and Analysis

• Vet the quality of finance knowledge work tasks and model outputs
• Identify missing behaviors, thin reasoning, flawed assumptions, and answers that would not survive professional scrutiny
• Write instruction specifications and produce golden solutions to financial problems
• Define new finance tasks reflecting real-world professional practice
• Design challenging finance tasks and evaluation sets
• Help build finance-specific skills and tools with the research team
• Work with client researchers and adjacent-field specialists to maintain consistent standards
• Translate tacit financial judgment into explicit, teachable criteria
• Work directly with the AI lab's research and program management teams to improve frontier AI models' reasoning about financial work

Finance Domain Expert – AI Training & Evaluation

Evaluator

• Evaluate AI-generated artifacts against domain-specific quality rubrics.
• Identify factual, aesthetic, and presentation errors.
• Provide clear, structured written feedback.

Biology / Environmental Science Evaluator

Total Rewards

• Serve as a Total Rewards practitioner for one of the company's clients
• Focus on compensation design and architecture and/or equity program management
• Build and manage salary bands, leveling frameworks, and job architecture
• Own annual compensation cycles, including merit planning, promotions, bonuses, and equity refreshes
• Design incentive structures
• Design and manage option and RSU programs, grant guidelines, equity pools, vesting structures, and refresh philosophy
• Support 409A valuations, plan governance, and grant administration
• Build compensation and equity models and communications for candidates and employees

Compensation & Equity Expert – Total Rewards

Physician

• Develop grading criteria that break clinical answers into discrete, checkable criteria
• Evaluate multi-turn clinical dialogues for accuracy, safety, completeness, appropriate hedging, and escalation advice
• Annotate clinical reasoning, including considered and rejected differentials
• Review outputs for hallucinated findings, dangerous omissions, unsupported certainty, and clinically unsafe advice
• Author specialty-specific guidelines, edge cases, and standards of care
• Write difficult clinical questions that probe model reasoning limits
• Meet stream-specific throughput targets across workstreams
• Move between concurrent clinical workstreams based on specialty, availability, interest, and shifting priorities
• Perform non-clinical AI system development and evaluation without direct patient care or live-diagnosis responsibility