Vetted JavaScript Professionals

“Founder of Snazified Inc., a multi-tenant ATS startup, where they led a 5-person remote engineering team and built AI-powered workflow features that reportedly drove 75% sales growth and 90%+ customer retention. They also launched a separate subscription profile platform with React/Node, AI resume tools, and job aggregation, reaching 50 paying subscribers shortly after launch.”

Joshua Newell

Screened

Senior Software Engineer specializing in embedded systems and secure communications

Remote, USA14y exp

“Engineer with experience in defense and aerospace-adjacent software, including serving as lead engineer on an SBIR contract for a Space Force warfighter communication system. Has hands-on full-stack experience improving a flight test sensor management application with React, Perl, and Oracle SQL, plus recent systems work in Rust observability and Go-based secure communications integration.”

Alex Guzman

Screened

Principal Software Engineer specializing in cloud infrastructure and identity systems

Denver, CO17y exp

“Senior backend-leaning engineer with experience spanning an 8-person early-stage startup and production microservices environments. They helped deliver an MVP for a fintech/charitable donations product by building a resilient abstraction API across multiple rewards vendors, and more recently maintained Go services at scale with Kubernetes autoscaling for workloads reaching roughly 1 million requests per day.”

Rodolfo Spier

Screened

Senior Frontend Engineer specializing in React, Angular, and enterprise web platforms

Remote, USA8y exp

“Engineer with experience at smaller companies building internal tools and modernizing legacy systems. Most notably contributed to a "one click" demo tool for internal marketing teams, working across Angular/Nx front-end and backend microservice integrations while making pragmatic tradeoffs to simplify UX and hit deadlines.”

“Full-stack engineer who shipped a production "Financial Insight" assistant dashboard in Next.js App Router/TypeScript, integrating a RAG pipeline (embeddings + ChromaDB + LLM) via route handlers and owning post-launch performance (latency, token cost, retrieval relevance). Also built/optimized Postgres-backed workflows for an outbound dialer and callback routing engine handling ~10,000 daily contacts, validating query performance with EXPLAIN (ANALYZE, BUFFERS).”

“Full-stack engineer with hands-on experience building real-time analytics and logistics platforms across modern JavaScript and Java stacks. They combine strong production ownership and database optimization skills with architectural leadership, including redesigning bottlenecks with SQS/Lambda and driving a monolith-to-microservices migration on Kubernetes that cut deployment time by 50%.”

Larry Scanniello

Screened

Mid-level Full-Stack Engineer specializing in AI and real-time audio applications

Freehold, NJ6y exp

“Built WaveReel, a personal browser-based video chat app with a collaborative real-time digital audio workstation, pushing the browser beyond typical limits with OPFS, SharedArrayBuffers, and Audio Worklets. Demonstrates unusually deep front-end systems knowledge at the intersection of UI, real-time collaboration, and audio engineering.”

“Full-stack engineer at Citi who stepped into an iOS role early in their tenure, quickly learned ReactorKit, and shipped a customer transaction memo feature within two weeks that reached thousands of users. They also contributed to major performance gains, helping reduce page load times from 30 seconds to 3 seconds across hybrid app experiences by optimizing API behavior and cross-stack implementation.”

“Full-stack engineer who independently built and still operates a live e-commerce clothing site, owning everything from frontend UX to GraphQL backend, auth, and Stripe payments. Also helped ship an AI-powered survey follow-up product using GPT-4.1, with hands-on experience in prompt design, Lambda-based architecture, and pragmatic LLM integration in an early-stage startup environment.”

“Frontend engineer with deep Angular and TypeScript expertise who spent about 1.5 years building a sophisticated rewards-program UI for a Fortune 500 financial services client serving over a million cardholders. Stands out for combining large-scale UI architecture, performance optimization, and nuanced state-driven UX thinking, with hands-on debugging experience in RxJS and strong opinions on type safety.”

“Student developer who co-built a browser-based task management app for students and busy individuals, going beyond a basic to-do list with categorization and urgency/importance-based sorting. Demonstrates solid front-end fundamentals in JavaScript, HTML, DOM optimization, CSS layout, and functional UI structuring.”

“Product manager with 4 years of PM experience and an earlier software engineering foundation, spanning enterprise healthcare, operations platforms, and AI products. Most notably, they founded and shipped a GenAI app builder SaaS, built evaluation and reliability layers for production use, and exceeded first-quarter adoption targets by 35%.”

“Frontend-focused engineer who has owned sophisticated browser UIs across marketplace and chat products, including a multi-role local commerce platform and high-usage chat experiences. Stands out for combining React architecture, browser-level performance debugging, and practical UX iteration based on real customer and vendor feedback.”

“Backend engineer focused on Node.js (Express/Fastify) and MongoDB who designed a multi-stage bill-approval workflow system for a manufacturing company, emphasizing RBAC, auditability, and scalability across multiple factory units. Also improved system robustness by catching a MongoDB connection leak in an Excise department project and has experience executing low-risk, incremental backend refactors with monitoring and rollback.”

“Backend/data platform engineer who has built and operated a cloud-native media ingestion/processing platform in Python (Django/DRF, FastAPI) with Kafka, Postgres, and Redis, emphasizing multi-tenant security and reliability. Delivered AWS production systems combining EKS and Lambda with Terraform + GitHub Actions/Helm, and built Glue-based ETL pipelines with strong schema-evolution and data-quality practices; also modernized SAS analytics into Python on AWS. Seeking fully remote roles with a $120K–$140K base range.”

“Backend engineer with hands-on experience modernizing high-volume transactional systems by decomposing monoliths into Spring Boot microservices on AWS, using Kafka for async workflows and Redis/SQL tuning for latency. Has built Python/FastAPI services with strong API contracts and production-grade security (OAuth2/JWT, RBAC, row-level security), and proactively hardened payment flows against race conditions and double-charging via idempotency.”

“Entry-level software engineer who built an agentic AI backend in Python/FastAPI, including APIs for conversation history retrieval and user data storage, and worked through async/concurrency challenges for multiple agents querying simultaneously. Also has practical AWS experience using S3 for static hosting with Lambda and RDS for backend/data access.”

“Frontend engineer who has led React + TypeScript products end-to-end, emphasizing scalable architecture (custom hooks, compound components) and quality via strict typing, CI, and code review standards. Experienced shipping complex multi-step workflows with strong performance practices (virtualization, code splitting, RUM) and de-risked rollouts using feature flags, monitoring, and rapid iteration in collaboration with product/design.”

“AI/LLM practitioner at iFrog Marketing Solutions who drove a RAG chatbot from prototype to production in a legacy, AI-resistant environment by validating customer needs and building a business case. Implemented production-grade LLM practices (CI/CD eval gating, rollbacks, prompt/context engineering) and led internal workshops to bring non-AI-native developers up to speed while partnering with sales on tailored demos to drive adoption.”

“Backend/web API engineer with hands-on experience deploying .NET Core APIs to Azure App Service and stabilizing production systems through disciplined log-driven troubleshooting, environment configuration management, and SQL performance tuning (execution plans, query rewrites, indexing). Has also debugged cross-layer incidents involving DB locks and network latency, and modifies Python/XML automation scripts to meet customer-specific requirements while improving logging and performance.”

“LLM/agent builder who has shipped production AI systems in the wellness space, including an LLM-powered food tracking product used by 5000+ users and a voice/call-routing onboarding workflow using LangGraph/LangChain with LiveKit and Twilio. Strong focus on practical reliability work: latency reduction, retrieval/embedding tuning, and CI-driven evaluation with simulations and metrics.”

“Frontend engineer with experience delivering complex, data-heavy React + TypeScript dashboards in financial services (Morgan Stanley), including React 18 migration and rigorous quality practices (~80% test coverage). Also improved an existing collaboration product (Heycollab) by reducing duplication and boosting performance ~30% using component modularization, API optimizations, code splitting, and virtualization; experienced with phased rollouts and feature flags for risk-sensitive releases.”

“Software engineer with experience across data engineering and backend/platform work: owned a Databricks/PySpark real-time pipeline powering customer dashboards with a 15-minute SLA, and helped modernize an investor web app from JSP to React/TypeScript with API + SQL/materialized-view performance improvements. Also contributed to breaking a Java monolith into microservices (Redis + gRPC on AWS EKS) and built an EC2-deployed Play Store/App Store crawler that reduced third-party data costs.”

“Software engineer experienced owning internal, customer-facing dashboards and internal ops tools end-to-end, emphasizing fast iteration without sacrificing stability (CI/CD, automated tests, feature flags, monitoring). Built a TypeScript/React role-based dashboard backed by Java Spring Boot and has hands-on microservices experience with RabbitMQ, including production hardening with retries, dead-letter queues, logging, and health checks.”