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Vetted SQL Query Optimization Professionals
Pre-screened and vetted.
Svitlana Koval
Mid-Level Software Engineer specializing in desktop applications and legacy modernization
“Full-stack engineer working on a medical practice SaaS, who owned an end-to-end charge entry module handling patient charges/payment workflows and complex client-side data transformations. Also built a fintech rating platform with real-time WebSocket streaming and TradingView-based charting, and has 10 years of university experience mentoring student "startup" capstone projects under tight deadlines.”
Ricky Zheng
Senior Backend/AI Engineer specializing in AWS-native data processing and legacy modernization
“Backend/data engineer with hands-on production experience building a FastAPI Python service on AWS for real-time AI workflows (Postgres/Redis, containers behind API Gateway) with strong reliability practices (JWT auth, timeouts/retries, health checks). Has delivered AWS infrastructure using Terraform + GitHub Actions across environments, built Glue ETL pipelines into Snowflake with idempotent recovery, and modernized legacy batch workflows via parallel-run parity validation and phased cutovers.”
Robert Ebafua
Senior Backend/Full-Stack Engineer specializing in cloud-native APIs and distributed systems
“Full-stack engineer who was the sole cross-stack builder on a marketplace serving 400,000+ users, owning everything from React dashboards and core APIs to AWS infrastructure and scaling improvements. Stands out for combining strong technical depth with product instinct—shipping a payment-on-delivery feature in a week that increased sales 5x, and proactively building AI-powered internal tooling to eliminate manual recruiting workflows.”
Junior Full-Stack Developer specializing in Laravel, React, and CRM automation
Entry-level Software Engineer specializing in AI/ML and full-stack systems
Senior Full-Stack Developer specializing in Ruby on Rails web applications
Mid-Level Full-Stack Software Engineer specializing in payroll and internal business systems
Mid-level Full-Stack Developer specializing in Angular and Java Spring Boot microservices
Junior Full-Stack Software Developer specializing in cloud-native apps and data/AI
Junior Full-Stack Software Engineer specializing in web platforms and APIs
Junior Full-Stack Developer specializing in React, TypeScript, and Spring Boot
Mid-Level Full-Stack Software Engineer specializing in React, Node.js, and observability
Entry-level Software Engineer specializing in AI/ML and cloud backend systems
Mid-level Full-Stack Software Engineer specializing in AI-powered web applications
Junior Full-Stack Software Engineer specializing in secure web applications
Senior Full-Stack Engineer specializing in React/Node.js and cloud-native web platforms
Mid-level Python Developer specializing in cloud-native APIs and microservices