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Senior backend engineer with deep experience in distributed systems, Scala, cloud infrastructure, and developer tooling. Strong background in functional programming, CI/CD modernization, and scalable services. Remote strongly preferred, but will consider opportunities in the St. Louis, MO area. US citizen. Has experience in developing web applications using various UI stacks, but prefers backend development. Experie…

iOS developer with commercial experience shipping user-facing features across UIKit and SwiftUI. Focuses on building well-behaved, idiomatic native software that adheres to Apple’s design language and platform conventions. This developer independently designs, ships, and maintains native Apple-platform apps. Notable projects include HacKit, a macOS Hacker News reader released in 2021 and maintained across multiple r…

Senior UX/Product Designer with 4+ years of experience delivering end-to-end product design across enterprise software, AI, fintech, B2B SaaS, and healthcare platforms. Experienced in the full design lifecycle from user research, journey mapping, and usability testing through to high-fidelity prototypes, design systems, and developer handoff. Strong background in AI-assisted design workflows, cross-functional collab…

Unity developer with 7 years of experience, specialized in multiplayer (Photon Fusion 2 / Quantum). Has shipped games to Steam, Google Play, App Store, and Web, including Blood of Yamin (Steam) and Who Needs a Hero (100k+ downloads). Available for contract work for prototypes, full games, or specific features (multiplayer, ads, optimization) on a short- or long-term basis with flexible hours.

Full-stack AI engineer with expertise in production RAG systems, LLM integration, and building full-stack applications/platforms from scratch. Has successfully shipped an ERP voice AI agent across four production platforms, an AI-powered ATS (TezHR), and an EdTech platform (FastAPI/Supabase/Flutter/LangChain). Proficient in both AI layer development and frontend implementation. Open to full-time, part-time, or proje…

Eli Maroun is a self-taught, entry-level full-stack developer actively seeking his first junior remote role, internship, or contract opportunity. Instead of a traditional resume, he has built a fully functional support ticketing application named Supportly to demonstrate his technical capabilities. The project showcases advanced architectural implementations including multi-tenant security with Prisma 6 for row-leve…

Hamza Arifi is a Senior LLM and MLOps Engineer based in Skopje, North Macedonia. The profile is available for remote work, comfortable with the CET timezone and EU/US overlap, but not willing to relocate. Hamza possesses a strong technical background in Python, specializing in advanced areas such as LLM integration (OpenAI, Anthropic, local Llama via Ollama/vLLM), RAG systems (Neo4j GraphRAG, pgvector), and MLOps (M…

Howdy! I'm a full-stack and data-obsessed developer specialized in building robust architecture from scratch. In just this year, I've: - Deployed a full-stack static site, serving a personal web-blog and e-portfolio designed with a focus on user bandwidth. - Engineered and self-hosted an asynchronous Python Discord bot running on a Raspberry Pi. - Constructed the core foundation for a semi-open world RPG in the Godo…

Senior full-stack engineer with 15 years of experience, capable of shipping production systems end-to-end solo. Proven track record with 104 completed contracts and a 5.0 rating on Upwork since 2011. Experience includes being the sole engineer on a multi-tenant SaaS platform for 3 years (50+ admin modules, Shopify e-commerce, Stripe billing, real-time chat). Also proficient in AI product development (Gemini-powered …

This Senior AI/Product Engineer has 16+ years of experience and has delivered 147+ projects. They specialize in building production software end-to-end, including SaaS products, mobile apps, admin systems, AI workflows, billing, permissions, documents, integrations, queues, deployment, and support tooling. Recent work includes Credit Refresh, AI-CV, SEO Improve, Walltopia eWalls, THORWallet, Gamium, and ProSieben. P…

This profile demonstrates strong capabilities across a wide range of backend, cloud, and AI/ML technologies. Proficient in multiple programming languages including Go, Python, Node.js, Java, and PHP, with expertise in microservices, REST APIs, and event-driven architectures. Experienced with AWS, Kubernetes, Docker, and CI/CD for robust cloud and DevOps practices. Skilled in various data stores, messaging systems, a…