Vetted React Testing Library Professionals

“AI engineer with hands-on production experience building an end-to-end RAG system that reduced document-answering time from hours to minutes, improving accuracy through chunk overlap and hybrid BM25+semantic retrieval. Also built a LangGraph-based agent that researches company financial news via web search (Google Serper), using Pydantic structured outputs and checkpointing for reliability; experienced collaborating with non-technical stakeholders at JPMC and communicating ROI.”

Lucas Silbernagel

Screened

Senior Front-End Software Engineer specializing in accessible, high-performance web apps

Toronto, Canada6y exp

“Frontend engineer who led the 2025 end-to-end launch of the Score Casino web platform, integrating a new regulated brand into an existing monorepo with scalable theming, Next.js routing changes, and supporting Docker/SRE deployment work. Emphasizes quality at scale through visual regression testing, Datadog/Bugsnag observability, and test-suite redesign (parameterized theme tests) that reduced CI flakiness; shipped the launch two months ahead of schedule while meeting GLI submission standards.”

“Built and owned full-stack features for a real-time pricing and inventory management platform at PDR Technologies, spanning React/TypeScript frontend architecture, Node.js APIs, and PostgreSQL-backed data flows. Stands out for driving a shift to micro-frontends with Nx and Webpack Module Federation, improving team independence and release speed while also delivering measurable frontend performance gains.”

“Full-stack engineer who built a policy management and notifications platform end-to-end: Java/Spring Boot microservices with PostgreSQL plus a React/Redux UI, deployed on AWS with Docker and Jenkins CI/CD. Demonstrates strong real-world scaling and reliability practices (Redis caching, Kafka, query/index tuning, ACID transactions, locking, and idempotent processing) to handle high-volume concurrent workloads.”

Arya Mane

Screened

Junior Full-Stack & AI/ML Engineer specializing in LLMs and multimodal document processing

Dallas, Texas1y exp

“Built a production RAG-based NBA player scouting assistant that embeds player profiles into FAISS, orchestrates retrieval and LLM recommendations with LangChain, and surfaces results via embedded Tableau dashboards. Demonstrates strong focus on evaluation/monitoring (batch tests, LLM-as-judge, latency/failure/token metrics) and has experience translating non-technical founder goals into DAPT + fine-tuning plans on curated data.”

Sharath Kasula

Screened

Senior Full-Stack Engineer specializing in React, TypeScript, and real-time web applications

New York, NY7y exp

“Frontend-leaning full-stack engineer at T-Mobile who owned a real-time operational dashboard end-to-end, from Figma collaboration through React/TypeScript implementation to backend/API and SQL performance coordination. Stands out for diagnosing cross-layer production issues, improving onboarding with measurable drop-off reduction, and turning repeated product needs into reusable primitives adopted across multiple teams.”

“Product/UX designer with hands-on front-end implementation experience who has worked across both consumer and enterprise contexts, including a veterinary hospital funnel redesign and an AML fraud detection system. Stands out for tying UX decisions to measurable business outcomes, including a 17% reduction in dropoff after redesigning package selection and validating changes through usability testing.”

David Arango

Screened

Senior Frontend Engineer specializing in large-scale React and TypeScript applications

8y exp

“Frontend engineer with production experience at CarGurus, including leading a React/TypeScript "pizza tracker" feature for vehicle sellers and diagnosing a hidden CTA bug that materially hurt conversion until they traced it through LogRocket session replays. Combines strong React performance instincts with practical UX debugging, testing discipline, and cross-functional collaboration.”

Saumay Killa

Screened

Mid-level Full-Stack Engineer specializing in AI SaaS and web applications

New York, NY3y exp

“Built a career platform feature end-to-end that generates tailored resumes and cover letters using a React/TypeScript frontend, Postgres, and AWS Lambda/SQS backend. Strong in event-driven, serverless architecture and pragmatic product iteration, with a quantified 60% improvement in onboarding completion after redesigning the UX with resume parsing and a multi-step flow.”

“Java/Spring Boot engineer with startup-style ownership experience across e-commerce, banking, and healthcare analytics. Stands out for driving a monolith-to-microservices migration with Kafka that improved checkout reliability under peak load, while also contributing full-stack with Angular and supporting production operations end to end.”

“Frontend engineer who served as the sole developer for Walmart's locker management feature, now live in 2500+ auto care stores and credited with reducing customer check-in/checkout time by 18%. Brings hands-on experience across React/TypeScript architecture, operational dashboards, analytics, testing, and cross-functional delivery with backend and mobile teams.”

Yishan Hsueh

Screened

Junior Full-Stack Engineer specializing in scalable web platforms and FinTech

San Jose, CA2y exp

“Full-stack product engineer with end-to-end ownership across React, TypeScript, backend APIs, and AI-assisted workflows. Built a scheduling management feature at Intuit that enforced complex business rules and reportedly reduced costs by about 25%, and also created a secure monorepo platform for their own jewelry business with access control and RLS from the start.”

“Software engineer with hands-on AWS operations experience who owned an end-to-end manufacturing image ingestion pipeline (on-prem to AWS S3) integrated with MES/WMS. In an early-stage SaaS internship, diagnosed a load bottleneck using K6/New Relic and shipped an NGINX least-connection load-balancing solution that scaled to ~4000 RPS while reducing latency. Also improved maintainability and performance in a React/Node e-commerce codebase, cutting page load time from ~10s to 2.8s.”

“Software engineer with Citi Bank experience building real-time fraud validation/scoring for loan processing, spanning Spring Boot microservices and a FastAPI Python service secured with OAuth2/JWT. Delivered React/TypeScript operations dashboards and deployed containerized services via Docker/Kubernetes with Jenkins CI/CD, while also tuning databases (Oracle/Postgres) and handling high-volume latency/scaling issues using ELK, caching, and autoscaling on AWS.”

“Full-stack engineer with 6+ years of experience building high-scale internal products and AI-powered workflows, including a U.S. Bank payment operations dashboard handling 500k+ transactions and real-time analyst collaboration. Stands out for true end-to-end ownership—from React/TypeScript frontend architecture to Node/Spring services, PostgreSQL/Redis optimization, Kubernetes deployment, and Datadog monitoring—plus measurable impact on adoption, latency, and analyst efficiency.”

“Frontend-focused engineer at YTech Global with roughly 3.5 years on a logistics contract management platform, owning major pieces of architecture for micro frontends, real-time workflows, and operational dashboards. They describe building the first UI-based contract management experience for shippers and carriers, helping grow usage from 10,000 to 20,000 users while partnering closely with backend teams on API and WebSocket design.”

“Frontend-leaning full-stack engineer who built and fully owned a production crew scheduling system at Archer using Next.js App Router/TypeScript, including a real-time, virtualized timeline handling ~1,200 crew over a 30-day window. Drove major post-launch improvements (60 FPS scrolling, PubNub-based soft-locking to cut conflicts ~90%) and created a correlation-ID-driven state replay/logging tool to debug hard-to-reproduce production issues while also contributing to FastAPI/SQLAlchemy/Postgres performance work.”

rajasri mamidi

Screened

Mid-level Frontend Engineer specializing in FinTech web applications

Jersey City, NJ5y exp

“Frontend-leaning product engineer with strong end-to-end ownership across AI support and real-time observability products. They combine React/TypeScript architecture depth with backend/API collaboration, deployment ownership, and measurable impact, including a 40% reduction in support-agent lookup time.”

Supreet Purthpli

Screened

Mid-level Software Engineer specializing in FinTech and cloud-native systems

San Francisco, CA4y exp

“Software engineer with JPMorgan Chase experience delivering end-to-end fintech features (Next.js/React/Node/Postgres on AWS) and measurable performance gains. Built and productionized an AI-native credit decisioning workflow combining LLMs, vector retrieval, and a rules engine with strong governance (bias checks, auditability, human-in-loop), improving precision and cutting underwriting turnaround time by 40%.”

“Frontend engineer with strong ownership in regulated healthcare/patient-facing products, including redesigning legal/privacy document workflows so non-engineering teams could safely publish updates without release cycles. Has also built frontend architecture from scratch, optimized large internal data-grid experiences, and recently worked in a forward deploy role directly with clients to shape product solutions.”