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Vetted Kotlin Professionals
Pre-screened and vetted.
Antonio Walker
Senior Technical Lead and Full-Stack Engineer specializing in cloud, AI, and enterprise platforms
“Engineering leader and player-coach who says he joined Freeing Returns during a transition from sales-led services to SaaS, architected the platform from the ground up, and helped hire a 10+ person team across engineering, product, and delivery. He also describes leading an AI-based fraud detection system on Salesforce with data lake and pipeline architecture, combining startup build-from-scratch execution with hands-on technical leadership.”
Sarthak Nikhal
Mid-level Full-Stack Engineer specializing in AI, healthcare IT, and cloud platforms
“Full-stack and AI product engineer with strong accessibility and voice-interface experience in senior living, building systems for older adults where trust and usability are critical. Has shipped React/TypeScript and .NET MAUI products, productionized Azure OpenAI features, built RAG-based research tools, and improved both product outcomes and technical performance with measurable impact.”
Junior Full-Stack Software Engineer specializing in Java/Spring Boot, React, and cloud microservices
Mid-level Software Engineer specializing in backend/full-stack and distributed systems
Junior Full-Stack Software Engineer specializing in AI-driven web applications
Junior Machine Learning Engineer specializing in computer vision and LLM/VLM systems
Mid-Level Full-Stack Software Engineer specializing in SaaS, IoT, and mobile apps
Mid-level Backend/Android Engineer specializing in Kotlin and applied ML
Senior Full-Stack JavaScript Architect specializing in enterprise cloud applications
Mid-level Software Engineer specializing in AI/ML and full-stack product development
Junior Software Engineer specializing in mobile apps, AI, and FinTech
Senior Full-Stack Software Engineer specializing in cloud-native microservices and distributed systems
Mid-Level Software Engineer specializing in full-stack development and data/ML systems
Junior Full-Stack Software Engineer specializing in cloud, data platforms, and AI agents
Mid-level Full-Stack Java Developer specializing in microservices and cloud platforms
Senior Full-Stack Engineer specializing in cloud-native microservices and FinTech systems
Junior Software Engineer specializing in backend, cloud, and data/AI platforms
Senior Mobile Engineer specializing in cross-platform apps and AI-powered products
Senior Front-End Engineer specializing in React Native and design systems