Search Results for "backend-developer-freelance"
Found 68 jobs
Backend Engineering Specialist - Freelance AI Trainer Project
Are you an experienced Backend Engineer eager to shape the future of AI? Large-scale language models are evolving rapidly, moving beyond simple chatbots into powerful engines of research, learning, and applied problem-solving. With high-quality training data, tomorrow’s AI can provide more accurate,…
Freelance NET, Java or Python Developers
Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your pers…
Freelance Software Engineer - Backend TypeScript
About
Swan is Europe’s embedded banking specialist. We empower software companies to embed banking features like accounts, cards, and payments directly into their products, under their own brand.Swan processes over €1.5 billion in monthly transactions for more than 150 companies—like Pennylane, Indy,…
Freelance Full Stack Developer for Sora Union
Talent is everywhere, opportunity is not. Sora Union changes that.
Sora Unionis a globally distributed professional services company that specializes in Design, Software Engineering, QA. Our experienced talent comes from communities where there is displacement or risk of displacement due to conflict…
Mobile Developer (BLE || Flutter / iOS / Android || freelance)
In short
We're looking for a Mobile Developer with serious BLE experience. Flutter, native iOS (Swift), native Android (Kotlin), or some combination, we're open as long as you know how to make apps talk to devices. You'd join us on a freelance, time & material basis: you're paid for the hours you actu…
Full Stack Developer (Flutter-focused)
You'll be the owner of our Flutter companion app, the product our players spend the most time in, with full responsibility for building, shipping and evolving it. Alongside that you'll be a strong backend developer, confidently handling most of what comes up across our Node/TypeScript + MongoDB syst…
Mobile Developer
At belo, we're building simple, intuitive financial products so people can focus on what truly matters. Our mission is to empower users worldwide with seamless access to innovative financial services.
Whether it's paying with Pix in Brazil, receiving international payments, or managing crypto assets, b…
Senior Gen AI/Agentic AI Engineer
We're looking for an engineer with hands-on experience building and evaluating GenAI services - from RAG and agentic reasoning systems to production-grade LLM deployments. You'll work closely with Frontend and Backend teams to bring AI agents into real products, with a strong focus on reliability, s…
Platform Engineer (Developer Experience)
At signageOS, we build a platform that powers digital signage networks around the world. Our software runs on thousands of devices across different hardware vendors and operating systems, helping customers manage large-scale display networks from a single platform.
We operate at the intersection of clo…