Vetted JavaScript Professionals

Pre-screened and vetted.

MK

Senior Full-Stack Engineer specializing in FinTech

San Carlos, CA6y exp
SoFiUniversity of Arizona

Frontend/full-stack product engineer with deep experience owning payment and subscription experiences across web, mobile, and BFF layers at SoFi. They helped shape the SoFi Plus subscription experience, including API contracts, observability, and complex membership state handling, and the launch was associated with roughly 200,000 new members over six months.

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Yuchen Shen - Junior Full-Stack Engineer specializing in AI and graph-based applications in Sunnyvale, CA

Yuchen Shen

Screened

Junior Full-Stack Engineer specializing in AI and graph-based applications

Sunnyvale, CA2y exp
WalmartUniversity of Illinois Urbana-Champaign

Front-end engineer with experience at Walmart and Sam's Club building sophisticated browser-based UIs, including an internal AI chat experience that combined chat, document rendering, editing, and visualization in one workflow. Stands out for pairing modular React/TypeScript architecture with hands-on browser performance debugging and Apollo/GraphQL optimization for highly interactive enterprise interfaces.

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Mark Parolisi - Executive technology leader specializing in digital publishing and media platforms in Greater New York City Area, NY

Mark Parolisi

Screened

Executive technology leader specializing in digital publishing and media platforms

Greater New York City Area, NY18y exp
DMG MediaUniversity of Central Florida

Engineering leader in digital media/news with 8 years leading globally distributed teams supporting 24+ consumer and internal web applications. Distinguishes himself as a hands-on player-coach who standardized tooling across teams, built an in-house authentication and entitlements platform, and led AI systems for newsroom draft generation and taxonomy workflows that improved efficiency and engagement.

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VK

Senior Frontend Developer specializing in FinTech and Healthcare IT

Boston, MA6y exp
JPMorgan ChaseHult International Business School

Frontend-focused engineer with experience spanning healthcare, enterprise analytics, and real-time trading products. They have owned React/TypeScript dashboard surfaces end-to-end, including a hospital patient dashboard that cut latency by 50%, and have also shaped backend WebSocket contracts to make real-time systems scale.

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DA

David Alecrim

Screened

Senior Software Engineer specializing in distributed systems for FinTech

California, USA9y exp
CoinbaseUniversidade Paulista

Software engineer with experience at Coinbase and Gol Airlines, leading full-stack and backend-heavy systems in high-scale, high-compliance environments. Stands out for owning ambiguous projects end to end, improving internal support workflows with measurable impact, and designing reliable integrations for both customer-facing and government-critical systems.

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SA

Sammy Ahmad

Screened

Senior Full-Stack Engineer specializing in Go microservices and scalable backend systems

7y exp
ByteSparklesColumbia University

Software engineer with a recent pivot toward AI engineering, combining traditional full-stack web development with multi-agent AI application work using React, Flask, LangChain, and LangGraph. Has experience improving internal platform integrations, scaling production systems, and building revenue-impacting features such as an order tracking module credited with a 20% revenue increase.

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Keerthana Kondabathini - Senior Full-Stack Engineer specializing in healthcare and financial platforms

Senior Full-Stack Engineer specializing in healthcare and financial platforms

5y exp
UnitedHealth GroupDePaul University

Software engineer with experience spanning healthcare platforms at UnitedHealth Group/Optum and B2B SaaS systems at Zoho. Has worked on a startup-like internal product for intelligent medical document processing using microservices on Azure, while also building React dashboards, backend APIs, and Python automation to support clinical and business operations.

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RR

Senior Full-Stack Engineer specializing in .NET, cloud, and regulated industries

Louisville, KY5y exp
Norton HealthcareConcordia University, St. Paul

Full-stack engineer with healthcare and financial services experience who owned an end-to-end appointment scheduling feature at Norton Healthcare, improving scheduling speed and reliability through Angular/TypeScript, SQL Server, Entity Framework Core, Redis caching, and secure APIs. Also brings enterprise modernization experience from IBM and JPMorgan Chase, including microservices migration, CI/CD, and production observability.

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MW

Mingyang Wang

Screened

Mid-level Full-Stack Engineer specializing in FinTech AI and Web3

Tampa, FL3y exp
Depository Trust & Clearing CorporationUC San Diego

Full-stack engineer with hands-on ownership of an internal LLM platform, spanning React/NestJS development, PostgreSQL schema design, multi-provider model integrations, and chat/eval pipelines. They also show strong production engineering instincts, having resolved Cognito throttling failures via tracing and led an observability migration to Signoz that materially improved incident diagnosis speed.

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AT

Arunteja T

Screened

Senior Full-Stack Engineer specializing in distributed systems and enterprise platforms

Sunnyvale, CA9y exp
WalmartTexas A&M University

Front-end/full-stack engineer with hands-on ownership of a sophisticated healthcare digital ID card platform at Centene, spanning React/Next.js UI and Spring Boot BFF architecture. Stands out for combining browser-level debugging, reusable component design, and secure multi-system integration to improve mobile usability, reduce production issues, and support adoption of digital member ID cards.

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FM

Mid-level Front-End Developer specializing in e-commerce and enterprise web applications

California, USA5y exp
WalmartTexas A&M University-Corpus Christi

Frontend-focused React/TypeScript candidate with hands-on experience building personalized product discovery and recommendation modules that balance relevance, performance, and maintainability. They show strong practical judgment around rendering optimization, responsive CSS, accessibility, and using DevTools/Profiler data to improve production UX.

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KK

Senior Frontend Engineer specializing in FinTech, SaaS, and computer vision

16y exp
IntuitAcharya Nagarjuna University

Frontend/full-stack engineer currently at Intuit working on QuickBooks pricing and personalization experiences, where she is the sole developer for a production shopping widget on quickbooks.intuit.com. She combines strong React performance optimization skills with cross-functional product ownership, including integrating an ML-based SKU recommendation model and proactively shipping UX improvements like browser back-button support after winning stakeholder buy-in through a POC.

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TD

Senior Full-Stack .NET Developer specializing in FinTech and Healthcare

San Francisco, CA7y exp
SoFi

Backend-focused engineer with strong .NET/Angular experience building enterprise financial and healthcare systems, including microservice APIs deployed with Docker/Kubernetes and AWS ECS. Demonstrates production reliability skills across secrets management (Secrets Manager/IAM), incident response (CloudWatch + Kafka failover), and data engineering patterns from SSIS ETL (data quality, incremental recovery), plus proven SQL tuning with a 10-minute report reduced to under 30 seconds.

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NF

Nate Fedida

Screened

Junior Software Engineer specializing in full-stack development and applied machine learning

Long Beach, CA1y exp
Amazon

Revamped a university academic calendar system into a Python-based calendar generation service, turning a weeks-long manual scheduling workflow into software that generates dozens of valid calendar combinations in under a minute. Also contributed to an Amazon search ML classifier by introducing precision/recall evaluation to better surface critical failure modes and improve prediction quality.

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Vasudev Konde - Mid-level Full-Stack Java Developer specializing in APIs and cloud microservices in Phoenix, AZ

Vasudev Konde

Screened

Mid-level Full-Stack Java Developer specializing in APIs and cloud microservices

Phoenix, AZ5y exp
American Express

AI/LLM engineer who has shipped a production document-intelligence agent that automated internal support workflows using RAG, tool calling, and robust fallback controls. Stands out for combining hands-on architecture with measurable business impact: 85% faster query resolution, 35% lower LLM cost, 40% fewer LLM calls, and enough automation to avoid adding 2-3 support engineers.

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Kumar Shashi - Senior Program & Operations Manager specializing in AI, semiconductor NPI, and regulated manufacturing in Palo Alto, CA

Kumar Shashi

Screened

Senior Program & Operations Manager specializing in AI, semiconductor NPI, and regulated manufacturing

Palo Alto, CA12y exp
Varian

Operations and customer-facing leader with deep last-mile logistics expertise from running a critical extra-large Amazon logistics hub end-to-end (inventory accuracy, throughput, yard efficiency), including scalable process improvements adopted across Amazon XL sites. Strong cross-functional and partner management (DSPs/carriers, engineering ops) with rapid incident resolution and VOC-to-product translation (geofence/map fixes). Also demonstrates land-and-expand growth motion from Cisco, expanding a standardized software platform across multiple global sites.

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SK

Syam Kandru

Screened

Executive product leader specializing in CX, SaaS, and AI-driven digital platforms

Southlake, TX23y exp
Likewize

Product leader with experience building AI-enabled interactive voice assistant experiences for global customers, including an IVA that contained 93% of calls successfully. Has also scaled their team 3x in three years and emphasizes simple, efficient UX across complex multi-system claims workflows.

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Prashant Singh - Mid-level Backend/Platform Engineer specializing in data pipelines, reliability, and AI-assisted ingestion

Mid-level Backend/Platform Engineer specializing in data pipelines, reliability, and AI-assisted ingestion

8y exp
Splunk

Backend engineer who built and scaled a blockchain-based e-voting platform at early-stage startup Elemential Labs, balancing decentralization with real-world operability by centralizing control-plane components while keeping the ledger immutable. Has hands-on experience migrating high-throughput ingestion from Kafka to AWS Kinesis with parallel cutover, strengthening data integrity and read-after-write consistency (Elasticsearch), and hardening pipelines against silent data-quality failures via anomaly detection and self-healing automation.

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MK

Mike Klein

Screened

Executive Engineering Leader specializing in platform, DX, and customer growth systems

San Antonio, TX29y exp
Lighthouse

Builder/technical leader who was brought into Finicity to turn a credit-improvement concept into a viable product—architected, staffed, and launched what became Experian Boost. Delivered a major North American product launch in ~6 months, scaling to ~50,000 new users per day at launch and solving complex ML classification and distributed processing/order-of-operations challenges on AWS.

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RC

Senior Java Full-Stack Developer specializing in cloud-native microservices and FinTech

Plano, TX7y exp
Broadridge

Full-stack engineer focused on high-throughput document/financial data platforms, building Angular/React front ends and Spring Boot microservices with Python/Flask services for heavy processing. Experienced in designing non-blocking, asynchronous workflows (Celery/RabbitMQ) and deploying containerized systems to AWS ECS with auto-scaling and CloudWatch monitoring.

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Harshal Sawant - Senior AI Engineer specializing in LLMs, RAG, and MLOps on multi-cloud

Senior AI Engineer specializing in LLMs, RAG, and MLOps on multi-cloud

8y exp
Wells Fargo

Built and productionized a secure internal RAG-based AI assistant (LangChain/FastAPI/FAISS on GCP), tackling real-world issues like latency, retrieval speed, and hallucinations—delivering 25% faster retrieval and 99.9% uptime. Also implemented scalable, reliable ML retraining orchestration with AWS Step Functions/SageMaker/Lambda and partners closely with compliance analysts to iteratively refine prompts and outputs to meet governance standards.

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SA

Shuaib Ahmed

Screened

Senior Software Engineer specializing in scalable backend and distributed systems

5y exp
Nike

Built and owned end-to-end production Conversational AI and RAG systems at Nike for customer support and product search, with strong evidence of measurable impact. Combines LLM product thinking with solid platform engineering, including evaluation pipelines, monitoring, safety controls, and reusable FastAPI frameworks that improved both user outcomes and team velocity.

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RR

Senior Data Scientist specializing in AI, ML, and LLM agents

Charlotte, NC6y exp
Wells FargoUniversity of North Texas
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AB

Senior SDET specializing in test automation frameworks for web, API, and mobile

Chicago, IL9y exp
PPLUniversity of Illinois Chicago
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