Vetted Authentication Professionals

“Built and owned a production-grade RAG/LLM support automation system on AWS using GPT-4, Pinecone, FastAPI, and Redis, taking it from initial experimentation through deployment, monitoring, and iterative improvement. Their work reduced support workload and ticket volume by about 40%, improved CSAT and self-service resolution, and they also created shared Python/LLM infrastructure that accelerated other teams' delivery from weeks to days.”

Hashim Kalam

Screened

Junior Software Engineer specializing in backend systems and applied AI

Colombo, Sri Lanka3y exp

“Full-stack and backend-oriented engineer with experience spanning customer-facing web products, LLM-based multi-agent systems, and enterprise Go microservices. They’ve worked on a ticketing/payments platform with Stripe, an NLP-to-2D-CAD MVP, and AI orchestration using LangChain, OpenAI, and Gemini, showing a mix of product thinking, backend architecture, and applied AI experimentation.”

Ibrahim Tantawy

Screened

Senior Back-End PHP Developer specializing in scalable web APIs

Dubai, UAE7y exp

“Full-stack PHP/Laravel and Vue.js developer with experience spanning startup e-learning, e-commerce, and a B2B SaaS logistics platform. Particularly notable for integrating Stripe early in their career, improving MySQL performance with indexing, and handling client-specific GPS integrations for enterprise transportation customers such as Coca-Cola, Pepsi, and Emirates Logistics.”

“Full-stack engineer who has shipped and operated generative-AI chat/QA features end-to-end, including a RAG-based pipeline with guardrails and cost/latency monitoring in production. Experienced with React/TypeScript + Node/Postgres architectures, Dockerized deployments to AWS (EC2) via GitHub Actions CI/CD, and building reliable ingestion/ETL systems with idempotency, backfills, and reconciliation.”

“Product-minded engineer who has owned features end-to-end, including a full onboarding redesign that lifted completion ~25% and a production LLM/RAG report-generation system with strong guardrails (schema-constrained JSON, confidence gating, logging) and an automated eval/regression loop built from real user queries. Also built a scalable research data pipeline ingesting messy PDFs/JSON/CSVs with normalization, idempotent reruns, observability, and cost/latency tradeoffs.”

“Data engineer with experience at Morgan Stanley and Star Health owning production-grade lakehouse pipelines for credit risk and healthcare datasets. Built Azure/Databricks/Delta/Snowflake-based platforms processing millions of records per day with strong data quality, observability (Monte Carlo/Azure Monitor), and reliability practices, plus experience delivering curated data services with performance tuning and backward-compatible versioning.”

sampath achalla

Screened

Mid-Level Software Engineer specializing in backend and full-stack web applications

USA4y exp

“Backend engineer focused on scalable, secure, observable systems—built an async workflow backend with REST APIs and state persistence that improved reliability under concurrent load and cut end-to-end processing time ~40%. Strong in production security for multi-tenant systems (OAuth2/JWT, RBAC, DB row-level security) and in low-risk migrations using feature flags and canary releases, including catching and preventing cross-tenant data access issues with CI-based RLS tests.”

William Watanabe

Screened

Mid-level Full-Stack Software Engineer specializing in authentication and SolidJS/TypeScript

New York City, NY3y exp

“Mid-level full-stack engineer (Los Angeles) who built and shipped an end-to-end authentication system for SolidAuth, an open-source SolidStart ecosystem library published to NPM with 1000+ downloads. Experienced designing React/TypeScript + Node + Postgres architectures, operating lightweight production systems on AWS (EC2/S3/RDS/IAM/CloudWatch), and building resilient third-party ingestion/integration flows with idempotency, retries, queues, and backfills; also worked in an early-stage NIL startup (OFFSZN) shipping core onboarding/profile features amid changing requirements.”

“Product-minded full-stack engineer with experience in fintech identity verification and industrial analytics, focused on turning repeated operational pain points into reusable platforms. Built real-time KYC/KYB dashboards, secure cross-platform web components, and a multi-tenant workflow engine that cut onboarding from 2 weeks to 1 day while materially improving conversion, reliability, and developer speed.”

I Anuj

Screened

Junior Backend/Infrastructure Engineer specializing in AWS distributed systems

Chennai, India2y exp

“Backend engineer with 1.7 years of experience plus prior founding experience who has already owned production systems end-to-end in an early-stage environment. Most notably, they rebuilt a failing ingestion pipeline into a stable SQS/Fargate architecture that improved success from 40% to 100%, boosted throughput 10x, and cut processing time by ~75%, while also shipping an LLM-powered fashion search workflow using Vertex AI and Elasticsearch.”

Maksym Polinka

Screened

Mid-level Software Engineer specializing in modern frontend web applications

San Francisco, CA5y exp

“Frontend-focused product engineer with strong depth in observability and real-time systems, spanning Kloudfuse and PipeIQ. They’ve built high-performance latency heatmaps and data-dense operational dashboards for large-scale telemetry, while also shaping WebSocket streaming contracts, integration architecture, and even AWS infrastructure decisions beyond a traditional frontend scope.”

kartik sharma

Screened

Mid-level Full Stack AI Engineer specializing in LLM and RAG systems

Stockholm, Sweden4y exp

“Founding engineer and full-stack AI builder who single-handedly created Aura Groups Sweden's Trust and Growth platform across frontend, backend, ETL, and LLM services. Has hands-on experience shipping RAG-based products with OpenAI APIs and using them in real workflows, plus early-stage startup experience at nesoi.ai where they helped get an AI learning platform adopted by teams at Bain and Amazon.”

“Frontend-focused engineer who built an AI-powered code conversion web app and iterated heavily on UX based on real user feedback. They show practical strength in React/TypeScript, browser performance tuning, and designing complex interactive interfaces with translation history, review workflows, and live progress updates.”

“Senior full-stack developer who has operated in lean, multi-product engineering environments with significant end-to-end ownership. Strongest in JavaScript/TypeScript, React, and Next.js, with hands-on experience building a custom media player and internal business operations platforms that improved efficiency through dashboards, RBAC, search, and performance optimization.”

“Backend-focused engineer with 7+ years of experience building cloud-native, distributed SaaS systems in startup-like environments, including healthcare and enterprise automation platforms. Strong in Go/Python microservices, event-driven architectures, and production AI/LLM integration, with hands-on experience scaling Kubernetes-based systems on AWS while balancing speed, reliability, and evolving product requirements.”

Ned Ned Zaidi

Screened

Senior Full-Stack Engineer specializing in Python, Go, and cloud-native systems

Dumfries, VA9y exp

“Full-stack/backend-leaning engineer with hands-on experience spanning Python, Go, React, Kafka, PostgreSQL, Redis, Docker, and Kubernetes. They stand out for building real-time analytics and decisioning systems, plus a healthcare-focused B2B SaaS compliance/data integration platform that combined high-throughput event processing, dashboarding, and third-party integrations in a startup-style, high-ambiguity environment.”

Jookwang Jung

Screened

Staff Software Engineer specializing in AI-native platforms and full-stack systems

Los Angeles, CA20y exp

“Founding engineering lead and player-coach who built a small cross-functional team around an AI-first development model, increasing execution speed by more than 3x through hands-on coaching and human-in-the-loop practices. Has led architecture for a multi-tenant platform and built an AI system for fashion businesses that generates content, imagery, and operational recommendations, combining technical depth with product and UX judgment.”

Sakshi .

Screened

Senior Backend Engineer specializing in cloud-native microservices and AI backend systems

Remote, India4y exp

“Backend-leaning full-stack engineer who has repeatedly built web products end-to-end, including an artist booking and event management platform with complex location-based pricing, search, and booking flows. Strongest signal is ownership of backend architecture, API design, database modeling, performance optimization, and production stabilization while also partnering on frontend integration and UX improvements.”

“Unity/C# gameplay engineer with strong hands-on experience architecting modular multiplayer FPS systems, especially weapon inventory/equipment flows built for server-authoritative networking. Also brings adjacent AI/computer vision integration experience with OpenCV plus shipped platform work across Meta Quest 2 VR, mobile, and WebGL, making them a versatile real-time systems developer.”

“Founder of the EdTech platform Studentsify and a pragmatic hardware/product builder with strong experience evaluating low-cost connected devices for real-world deployment. Stands out for hands-on firmware and power testing, thoughtful build-vs-buy decisions, and translating white-glove technical setups into repeatable field processes.”

Sampath Achalla

Screened

Mid-level Full-Stack Engineer specializing in Golang and cloud-native FinTech systems

USA3y exp

“Backend-leaning full-stack engineer in fintech/payments who shipped an end-to-end Stripe payments + webhook system for a financial microservices platform, emphasizing ledger accuracy via idempotency, transactional writes, retries, and DLQs. Also delivered a real-time React/TypeScript payment status dashboard informed by user interviews, and improved production performance by 35% p95 latency through PostgreSQL tuning and Redis caching on AWS.”

Anastasiia Sierbaieva

Screened

Mid-level Software Engineer specializing in frontend data-driven web applications

Los Angeles, CA5y exp

“Frontend-leaning product engineer who has shipped manufacturing-focused web features end to end, spanning Figma-to-React implementation, API/data-shaping work, and production feedback loops. Stands out for translating complex CNC and reporting workflows into usable interfaces, and for improving signup performance by automating precomputed sample data across databases and Amazon S3.”

“Senior backend/data engineer who has built and maintained HIPAA-compliant, real-time clinical FastAPI services on AWS, orchestrating ML/LLM and vector DB calls with strong reliability patterns (auth, timeouts/retries, graceful degradation, idempotency). Also delivered AWS IaC/CI-CD (Terraform/Helm/GitHub Actions) across EKS/Lambda/SageMaker and built Glue/Spark ETL with schema evolution and data quality controls, plus demonstrated large SQL performance wins (15 min to <9 sec) and hands-on incident ownership.”

“Unity developer focused on VR/AR multiplayer, with hands-on experience building Photon Fusion/PUN systems including networking, sync, and matchmaking. Has scaled a modular multiplayer architecture to handle more players/features while addressing latency and data consistency, and has optimized Meta Quest/mobile performance using pooling, LODs, batching, and profiling.”