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Highly experienced professional with 20+ years in development/IC roles and 10+ years in managerial/executive positions, including multiple successful exits and acquisitions. Proven ability to solve complex tech problems, build and lead teams/companies. Recently founded a software NGO with significant impact. Extensive experience building tech for major companies like Tezos, Oracle, Shell, and Bank of America. Expert…

Rita is an independent software engineer with over 4 years of full-stack development experience. She specializes in building clear, maintainable, secure, and reliable applications with Ruby on Rails (RoR) and PostgreSQL. She recently built and deployed the 'Pet Feeder Tracker' using RoR 8, Bootstrap, and PostgreSQL on Render, an application designed to help pet owners discover their pets' eating preferences and simp…

Systems-oriented ML/LLM engineer with 8+ years of professional experience in Python, machine learning, and Rust. Specializes in low-latency/high-throughput services, async services (Tokio, Axum/Actix), and data/compute (Polars/Arrow). Holds a PhD in mathematics with expertise in statistical methods, topological data analysis, and representation theory, and master's theses in finance and neuroscience. Applied machine…

James Olds is a Full Stack / Platform Engineer with previous experience at Trail of Bits. His recent focus includes designing secure Kubernetes infrastructure, supporting a team that placed 2nd at AIxCC DEF CON 2025, and building full-stack applications with Svelte, Tailwind CSS, Typescript, and Python. He is currently developing 'mainloop' to facilitate the creation of 'understanding.news', a reasoning layer for po…

Amir is a versatile engineer based in Vancouver, Canada, with a career spanning front-end development, data engineering, and back-end roles. He has experience building software in various programming paradigms and is primarily interested in creating platforms and products that empower software engineers, as well as human-oriented products.

Sr. Software Engineer building production Django apps with practical AI integration. Specializes in creative AI tooling, image generation pipelines, multi-model orchestration (Flux, SDXL), prompt engineering systems, and cost-optimized workflows. Current work includes 20+ custom management commands for AI image generation, character IP systems, and scene replication with layered prompt architecture. Helps teams ship…

Senior Rails engineer / engineering leader with 20+ years of experience, including roles at Shopify, Circle Medical, and Mirego, and founder with exit experience. Comfortable as the first engineering hire, translating product ideas into an MVP quickly, especially for non-technical founders, then building and mentoring the team post-MVP. Strong preference for Rails + Hotwire Native and early-stage startups where spee…

Dylan is a career switcher with 10 years of experience in food service and 2 in logistics. He holds a bachelor's degree in computer science and has dedicated the last year to learning front-end web development and building his portfolio. He is seeking his first Junior Developer role, ideally with mid-sized companies in logistics, environmental organizations, or technology firms. He is open to remote work and possibl…

A university student based in Maastricht, Netherlands, seeking a part-time remote position. They have been programming since the age of 12, possessing years of hobbyist experience and some professional experience. They are proficient in Python, TypeScript, Elixir, DevOps, HTML, CSS, Tailwind, and reverse engineering/scraping. They are a fast learner, open to acquiring new skills and stacks, and willing to accept a l…

Mariusz is a Senior Backend/Full Stack Engineer and Team Lead with 14 years of experience building scalable applications, primarily with Ruby on Rails, for startups across US, Canada, Europe, Australia, and Taiwan. He has 10 years of remote work experience and is comfortable with EST/PST timezones. Most recently, he worked on a content creators platform at Playboy. Mariusz is interested in both tech lead and senior/…

This profile belongs to a Senior Full-stack Engineer based in Munich, Germany, specializing in Python, JavaScript/TypeScript, React, Next.js, Playwright, Selenium, and AI/LLM APIs. The individual is a Top Rated Plus freelancer on Upwork, having successfully completed 222 projects and earned over $100k. They are seeking remote full-time contractor roles and are not willing to relocate.