Vetted JavaScript Professionals

Pre-screened and vetted.

JK

Mid-level Software Engineer specializing in backend, cloud, and AI systems

Seattle, WA4y exp
AmazonSaint Louis University

Engineer with hands-on experience across backend, full-stack, cloud, and AI/ML systems, with particular depth in Python, FastAPI, AWS Bedrock, SageMaker, and RAG-based architectures. Stands out for treating AI and agents as accelerators within disciplined production engineering, emphasizing guardrails, observability, latency/cost monitoring, and scalable system design.

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BK

Balpreet Kaur

Screened

Junior Machine Learning Engineer specializing in LLMs and data pipelines

Amherst, MA2y exp
Google DeepMindUniversity of Massachusetts Amherst

Research Extern at Google DeepMind and former AWS Software Development Engineer Intern with a strong focus on practical, trustworthy AI engineering. Built a multi-agent RAG system for personalized news headline generation using a fine-tuned Flan-T5 model, parallel critic agents, FAISS retrieval, and style embeddings, while also leading a 3-person team on the project.

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EM

Eric Majewicz

Screened

Staff Frontend Engineer specializing in enterprise SaaS, analytics, and AI-powered products

Remote19y exp
HubSpotRochester Institute of Technology

Frontend tech lead at HubSpot who shipped an LLM-powered insights dashboard that analyzed complex customer interaction histories and surfaced sentiment, challenges, and next-best actions for sales users. Stands out for having taken an AI feature beyond prototype into beta and full production, with strong emphasis on testing, maintainability, and practical production tradeoffs.

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AA

Arya Arya

Screened

Junior Software Engineer specializing in backend systems and ads platforms

Bengaluru, India2y exp
MeeshoRamaiah Institute of Technology

Candidate has developed a disciplined AI-first engineering workflow that combines design docs, prior PR analysis, testing plans, and multi-agent coordination to accelerate delivery without sacrificing quality. They described acting as a tech lead for AI agents, overseeing code structure, business logic, testing, and service contracts, and reported reducing manual coding effort by nearly 80%.

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WK

WonSeok Kang

Screened

Junior Full-Stack Engineer specializing in AI-powered applications

Seoul, South Korea2y exp
GidaryeoCarnegie Mellon University

Full-stack builder with hands-on experience shipping both location-based consumer products and AI-driven data platforms. Has owned end-to-end systems across React/Next.js, FastAPI, PostgreSQL, Streamlit, and geospatial tooling, with a strong emphasis on modular architecture, LLM reliability, and turning messy real-world data into usable product experiences.

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YD

Yunqi Dong

Screened

Intern Software Engineer specializing in AI, data systems, and recommendation platforms

Pittsburgh, PA0y exp
MeituanCarnegie Mellon University

Full-stack engineer with a strong mix of real-time product engineering and applied AI experience. Built and deployed a production stock trading simulator on AWS and an LLM-based customer support agent with RAG/tooling, and also shipped a zero-to-one in-store detection feature at Meituan that improved CTR by 7% and conversion by 11%.

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SF

Sara Fang

Screened

Mid-level Software Engineer specializing in cloud data platforms and distributed systems

Remote6y exp
Terra Byte XUniversity of Delaware

Backend/data engineer with production experience building FastAPI services with strong reliability patterns (circuit breaker, rate limiting, caching, graceful degradation) and JWT/OAuth2 auth. Has delivered AWS EKS deployments via Terraform with Secrets Manager/IRSA and HPA autoscaling, and built Glue/Spark ETL pipelines on S3 Parquet with schema-evolution and idempotent reruns; also demonstrated measurable SQL tuning impact (20–30s to <10s).

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BS

Mid-level Full-Stack Developer specializing in cloud-native backend services and real-time data platforms

Remote, USA4y exp
NetflixUniversity of Dayton

Backend/data engineering candidate with Netflix experience designing and migrating analytics platforms from batch to real-time streaming (Kafka/Flink) across AWS and GCP. Delivered measurable improvements (40% lower data delay, 99.9% accuracy) using phased rollouts, automated data validation (Great Expectations), and strong observability (Prometheus/Grafana), and proactively hardened pipelines with idempotency to prevent duplicate Kafka processing.

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BK

Mid-level Full-Stack Software Engineer specializing in cloud microservices and AI integration

Jersey City, NJ3y exp
UberPace University

Backend/distributed-systems engineer with Uber experience building real-time telemetry and safety signal pipelines. Strong in Kafka-based event-driven architectures, low-latency processing under peak load, and production reliability via monitoring, retries, and fallback logic; has Docker/Kubernetes and CI/CD deployment experience.

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MC

Intern Firmware Validation & Systems Test Engineer specializing in embedded and full-stack tooling

Palo Alto, CA1y exp
TeslaOregon State University

Safety-critical firmware validation engineer with Tesla autonomous vehicle experience who built Python-based HIL/SIL automation and dashboards, cutting regression time by 30% while maintaining an auditable risk-tradeoff process with safety and engineering teams. Also deployed an inventory management system across 8+ R&D teams in 3 countries at FUJIFILM, troubleshooting a major cross-site sync issue to a timezone root cause with strong documentation and interim mitigations.

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TW

Tianyi Wang

Screened

Entry-Level Backend/Cloud Engineer specializing in distributed systems and AI platforms

Seattle, WA1y exp
AmazonUniversity of Michigan

Full-stack engineer with deep serverless AWS experience who built VidToNote, an AI video analysis platform, end-to-end using Next.js App Router/TypeScript and an event-driven pipeline (API Gateway, Lambda, DynamoDB, S3, Step Functions, SQS). Strong on production reliability and observability (CloudWatch, X-Ray, structured logging), plus data/analytics work in Postgres with measurable query optimizations and durable LLM evaluation workflows. Amazon background; integrated 22 AWS services and completed AWS Solutions Architect Professional certification within a month.

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TH

Mid-level Software Engineer specializing in backend systems, IoT, and AI security

Pittsburgh, PA3y exp
NapticCarnegie Mellon University

Full-stack engineer in the investment tracking/financial reporting space who built an automated reporting dashboard and compliance/reporting pipeline end-to-end using Next.js (App Router, server/client components), REST, and Postgres. Demonstrated measurable performance wins (~30% faster loads) through caching and query optimization, and built durable orchestrated workflows in n8n with retries, idempotency, and reconciliation checks.

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Andrew Liang - Intern Software Engineer specializing in full-stack and AI/ML systems

Andrew Liang

Screened

Intern Software Engineer specializing in full-stack and AI/ML systems

2y exp
AmazonUCLA

Software engineer with experience at Amazon and Agora building end-to-end systems: a knowledge-base AI chatbot (React/TypeScript UI + retrieval/response backend + Docker deployment) and an internal approval governance platform using AWS Step Functions and DynamoDB. Emphasizes fast iteration without sacrificing trust via feature-flag rollouts, citation-required answers, abstention on low-confidence retrieval, regression query sets, and strong observability (request IDs, structured logs, latency/error monitoring).

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EX

Elizabeth Xu

Screened

Entry-Level Software Engineer specializing in ML/NLP and security

Evanston, IL1y exp
RakutenNorthwestern University

Early-career engineer (internship background) who built a production-style notes product using Next.js App Router with Server Components/Server Actions and a Postgres-backed analytics model. Demonstrates strong performance and reliability instincts—measured DB latency improvements via indexing and cursor pagination, plus durable orchestration with Temporal using idempotency and deterministic workflows.

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Ryan Crabbe - Junior Full-Stack/Mobile Engineer specializing in React Native and NestJS in Remote

Ryan Crabbe

Screened

Junior Full-Stack/Mobile Engineer specializing in React Native and NestJS

Remote1y exp
Menu-MeUC Berkeley

Built an AI-powered restaurant menu rewriting app that generates diet-constrained menus from photos, with a backend designed around bounded contexts and a lightweight CQRS approach. Demonstrates strong multi-tenant PostgreSQL design (RLS, tenant-scoped queries) and performance tuning (partitioning, keyset pagination, composite/partial indexes), plus AI workflow orchestration using Redis/BullMQ and Vercel AI SDK with structured outputs and evals; reduced p95 latency ~35–50% via racing LLM requests and caching.

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Jacqueline Zhang - Mid-level Machine Learning Engineer specializing in LLMs, fairness, and healthcare ML in Illinois, USA

Mid-level Machine Learning Engineer specializing in LLMs, fairness, and healthcare ML

Illinois, USA4y exp
iSchool Statistical ML & AI LabUniversity of Illinois Urbana-Champaign

ML/NLP practitioner with a master’s thesis focused on domain-adaptive knowledge distillation for LLMs (LLaMA2/sheared LLaMA), showing improved perplexity and ROUGE-L on biomedical data. Also built real-world data linking and search systems: integrated ClinicalTrials.gov with FAERS using fuzzy matching + embeddings, and delivered an LLM-powered FAQ recommender at Hyperledger using sentence-transformers, FAISS, and fine-tuning to mitigate embedding drift.

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Param Yanamandra - Staff/Lead Software Architect specializing in Contact Center platforms and GenAI automation in Campbell, CA

Staff/Lead Software Architect specializing in Contact Center platforms and GenAI automation

Campbell, CA21y exp
HyperAnalyticsUniversity of Toledo

Built and deployed production LLM systems in healthcare and at LinkedIn: automated pen-and-paper clinical trial evaluations with a 40x efficiency gain and created an evidence-based Evaluation Agent focused on accuracy and speed. Also used Temporal to orchestrate resilient data-ingestion workflows for customer support staffing prediction, improving prediction outcomes by 40% while handling missing data, retries, and backfills.

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Shloka Reddy - Mid-level Software Engineer specializing in FinTech full-stack development in San Francisco Bay Area, CA

Shloka Reddy

Screened

Mid-level Software Engineer specializing in FinTech full-stack development

San Francisco Bay Area, CA3y exp
WealthfrontUC Berkeley

Frontend-leaning full-stack engineer with experience spanning early-stage startup work at Rundoo and a higher-trust fintech environment at Wealthfront. They’ve owned complex permission-based household/account experiences end-to-end in Next.js/React, with strong instincts around data flow, UI correctness, performance, and production pragmatism.

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Vela Sivasankaran - Executive technology leader specializing in cloud, telecom, and digital transformation in Virginia, USA

Executive technology leader specializing in cloud, telecom, and digital transformation

Virginia, USA16y exp
AFCEA InternationalUniversity of Pennsylvania

Former founder of a financial services technology startup that is currently on hold for family reasons. Has hands-on startup fundraising exposure from employee roles, including presenting proof-of-concept demos to venture capital firms, and brings a strong focus on fraud prevention, safeguards, and regulatory compliance.

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XL

Xicheng Liang

Screened

Intern AI/Full-Stack Engineer specializing in backend systems and applied machine learning

Chicago, IL1y exp
Becker’s HealthcareUniversity of Pennsylvania

Built and shipped a production agentic RAG system for healthcare analysts that automated compliance/operations knowledge retrieval across PDFs, reports, and databases. Emphasizes production reliability (monitoring, retries, fallbacks, async queues), strong evaluation/iteration loops, and measurable impact (3–10s responses and ~98% top-k retrieval accuracy).

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CR

Senior Machine Learning Engineer specializing in conversational AI and Generative AI

San Francisco, CA6y exp
Scale AIDallas Baptist University

ML/AI engineer with experience at Uber and Scale AI, focused on customer service automation across both classical NLP and generative AI systems. Has owned systems from experimentation through production on AWS, including LLM fine-tuning, RAG optimization, safety evaluation, and internal Python platform tooling that improved consistency and engineering velocity.

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TW

Tracy Wong

Screened

Executive product leader specializing in SaaS, FinTech, MarTech, and AdTech

Sherman Oaks, CA21y exp
FloQastUC Berkeley

Product leader at FloQast who launched FQ Ops from scratch, expanding the company beyond close management into a broader workflow platform that reached 70% adoption and $4.5M ARR in its first year. Has led both product and interim design organizations, mentored multiple internal hires into PM roles, and brings a thoughtful human-in-the-loop AI philosophy shaped by leading AI strategy across more than 10 product areas.

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VK

Senior Software Engineer specializing in backend systems, cloud, and AI automation

Houston, TX5y exp
NetflixUniversity of Houston-Clear Lake

Built a production AI-powered workflow automation system at Netflix that integrated OpenAI and LangChain with FastAPI services on AWS, cutting roughly 320 hours of manual operational effort. Brings a mix of full-stack product development and practical AI systems experience, with strong attention to reliability, maintainability, and non-technical user adoption.

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