Vetted A/B Testing Professionals

“Built and scaled an internal AI code-search/assistant agent that expanded from engineering-only to broader internal users, tackling legacy code and inconsistent standards to make a RAG pipeline production-ready. Uses a metrics-driven approach (user feedback + automated Python evaluation for retrieval relevance and latency) and has handled high-pressure outages, including moving parts of the stack off AWS and adopting Milvus on internal infrastructure for resilience.”

“Marketing-focused designer/creative lead who builds modern, high-polish campaigns across healthcare and premium branding, emphasizing clarity-first typography and clean layouts. Experienced creating scalable Figma systems and modular video/template frameworks for high-volume output, collaborating closely with UA/growth and product teams in fully remote, async workflows while maintaining strict NDA discipline.”

“Performance marketer focused on high-spend lead generation, having personally owned a $500K/month account across Meta Ads and Google Search. Uses a full-funnel, multi-channel approach (including TikTok) and makes scaling decisions based on blended CPA plus downstream CRM quality metrics like lead-to-close rate, with disciplined creative/audience testing and clear client communication.”

“Paid media performance marketer experienced managing $50K+/month budgets across Google Ads (Search + Performance Max) and Meta, with TikTok used for top-of-funnel. Uses a highly structured experimentation and scaling framework (keyword clustering, incremental bidding shifts, 7–10 day stability windows) and has delivered a 25–30% CPL reduction while scaling spend and maintaining lead quality.”

“Paid media specialist experienced running lead-generation campaigns for a school using Meta (Facebook/Instagram), combining audience research with cinematic creative production and rapid performance optimization (e.g., reallocating budget from static graphics to higher-performing video). Emphasizes CPC/ROI-driven decision-making, landing-page and keyword alignment for Google Search, and client-safe reporting focused on leads and financial outcomes rather than vanity metrics.”

“Paid media specialist experienced managing high-spend accounts across Google, Meta, and LinkedIn with a focus on qualified lead generation at controlled CPA. Uses a disciplined testing and scaling framework (tracking via GA4/GTM, learning-phase completion, CPA/ROAS guardrails) and has driven a reported ~40% CPA reduction by auditing attribution/funnel issues and restructuring campaigns.”

“Growth and digital marketing professional in gaming/creator ecosystems who sources and negotiates creator partnerships and runs performance-driven GTM campaigns across Meta, Google, programmatic, affiliates, in-app, email, and SMS. Demonstrated measurable impact including +30% users and +25% revenue in 3 months, +20% downloads in 2 weeks via creator activations, and a referral loop that doubled referral-driven installs in 6 weeks.”

“Built a production LLM fine-tuning pipeline for domain-specific code generation at Pigeonbyte Technologies, including automated collection and rigorous quality filtering of 10M+ code samples (AST validation, sandbox execution/testing, deduplication, drift monitoring, and human-in-the-loop review). Also implemented end-to-end ML orchestration in Apache Airflow with data quality gates, dataset versioning in S3, benchmarking, and automated model promotion, and has a reliability-first approach to agent/workflow design.”

“Entrepreneurial candidate who built an Etsy embroidery business to $13K+ in sales by running BDR-like outbound motions (intent-signal lead identification, highly personalized messaging, follow-up tracking, and A/B testing). Also brings high-pressure customer-facing experience from serving (15% average check lift via proactive recommendations) and comfort using AI to streamline outreach and repetitive workflows.”

“Casual mobile game designer (Unity-focused) with a psychology background who uses player research and BI analytics to drive retention and revenue. Led major difficulty rebalancing across thousands of levels (reported +5–10% retention lift) and partnered with engineering/art to create a parameter-driven level generation pipeline that quadrupled chapter output and increased release cadence.”

“NYC real estate salesperson transitioning mindset toward BDR/SDR-style outbound. Drove top revenue at a boutique firm by sourcing ~500 leads/month, winning FRBO/FSBO listings through consultative cold calling, and adding a unique lead channel via a 100k+ member Facebook group (+10% business). Highly process- and CRM-driven (HubSpot/Salesforce; 95% CRM update rate) with exposure to KV Core marketing automation at eXp Realty.”

“Performance marketer specializing in high-spend DTC/ecommerce paid media, managing $60K–$100K/month budgets across Meta, Google, and TikTok. Uses a rigorous testing framework (stat sig thresholds, 95% confidence) and a GA4/GTM + Meta Event Manager data loop to scale winning creatives and stabilize blended CAC; cites 30% monthly growth and a 25% CPA reduction with 4x ROAS after resolving creative fatigue and audience overlap.”

“Frontend-focused builder who has delivered a MERN food-ordering web app and is currently developing a TypeScript-based React Native medical appointment booking app with role-based dashboards, queue management, and REST/Supabase integration. Emphasizes reusable component architecture, centralized state management, and secure RBAC/protected-route patterns, with experience shipping new auth features via branch-based rollout and monitoring.”

“Performance marketing creative strategist/designer-editor with agency experience (Homestead Studio) building scalable Figma template libraries and producing high-polish DTC/health-tech ads. Combines copywriting, creative direction, and Premiere Pro editing with data-backed messaging and UGC scripting; delivered a top-scaling ad for a four-figure health tech product by pairing a 90% results stat with relatable creator footage.”

“Early engineering hire at The Coaching Market (B2B2C e-learning startup) who owned re-engineering core REST APIs (FastAPI) and shipping an enhanced Next.js UI, plus automating most deployments via CircleCI/Vercel. Strong in data-driven iteration (surveys/Jira/Slack + Google Analytics, A/B tests) and reliability/performance improvements with measurable impact (30% less downtime, 40% faster releases, 25% faster loads).”

“Performance marketer focused on lead generation for high-intent local auto services, managing $60K+/month Google Ads budgets and optimizing for qualified calls using WhatConverts + GoHighLevel. Reports strong outcomes (200+ leads/week at ~$29–$35 CPL and >90% close rate) driven by tight campaign structuring, aggressive search-term/negative management, and disciplined creative/landing-page testing across Meta, TikTok, and Google.”

“Performance marketer who personally managed $50K–$70K/month multi-channel spend across Meta and Google (Search/Display/YouTube), using a rigorous testing framework (creative, copy, landing pages) and clear scaling/kill criteria. Reported outcomes include -28% CPA in 90 days, ROAS improvement from 3.2x to 4.1x, +38% monthly revenue, and +18% conversion rate, with demonstrated ability to diagnose and reverse performance declines caused by creative fatigue and audience saturation.”

“Paid media performance marketer experienced managing and scaling $50K–$70K/month spend, primarily on Meta with Google (Search/PMax) as a secondary scaling channel. Emphasizes creative-first testing (10–15 new creatives/week), rapid iteration, and marginal-efficiency-based budget scaling; reported improving ROAS from 2.1x to 3.1x, cutting CPA 30%, and lifting qualified leads 40%.”

“Performance marketer focused on high-spend lead generation, running $50K+/month across Meta, Google, and native. Emphasizes profitability metrics (CPL, RPC, CVR) and a rigorous creative/landing-page testing cadence, reporting ~30–40% CPL reductions on Meta across multiple verticals while scaling volume. Builds cross-platform tracking dashboards and custom AI tools to launch and iterate campaigns at scale.”

“Marketing and growth professional with experience driving creator/community-led partnerships and event promotion through ESA/ASA and DesignMySpace. Built GTM and acquisition loops using Instagram, landing pages, and retargeting, reporting stronger-than-expected traffic/inquiry lifts and ~30% higher event attendance by leveraging trusted student/community networks.”

“CRM/lifecycle marketer in the automotive dealership space who runs geo-targeted holiday campaigns and multivariate testing to improve lead flow and in-store conversion. Reports strong performance lifts (sales +120% vs prior months, +40% YoY; walk-ins +22%; closing rate +40%) through close collaboration with media/creative teams and a focus on UX and KPI-driven optimization.”

“Performance marketer focused on DTC eCommerce growth, managing $50K+/month budgets across Meta and TikTok with an omni-channel approach including Google. Drove a major ROAS lift (2.5 to 5.6) while scaling spend, using rigorous creative testing (hook/hold rate) and funnel diagnostics, including hands-on landing page speed optimization.”

“Backend/ML engineer with deep fintech and marketplace experience: built a real-time financial analytics + algorithmic trading platform (Python/Postgres/Kafka/Redis) and drove major DB performance wins (10x faster analytics; sub-10ms response consistency). Also shipped an end-to-end ML recruitment matching platform (scraping/ETL/modeling/Django deployment) with reported 92% matching accuracy, and emphasizes production reliability via monitoring, blue-green deploys, and robust workflow error handling.”