C# Jobs

Fold is a publicly listed bitcoin financial services company building tools to earn, buy, sell and live on Bitcoin. Seeking a Senior Back End Engineer to build financial infrastructure: payment processing, ledger systems, card transaction flows and …

We're building the platform primitives that power https://copilot.com (Microsoft's ChatGPT). If you've shipped systems at scale—whether backend services, distributed infrastructure, ML platforms, or consumer AI products—we want to talk to you. The w…

SpruceID (YC W21) | REMOTE (US-Based Preferred) | Full-Time | spruceid.com Spruce lets users control their data across the web. Instead of users logging into platforms, we believe platforms should request to access data vaults controlled by users. …

SerpApi is the leading API to scrape and parse search engine results supporting Google, Google Maps, Google Images, Bing, Baidu, and more. Remote-first company based in Austin, TX. Hiring multiple positions including Junior to Senior Fullstack Engin…

Kredit is a small, growing company on a mission to resolve consumer debt. They are looking for full-stack engineers with a .NET background who are eager to learn and motivated to work in a startup. The role is remote (US). Contact recruiting@trykred…

We're building the platform primitives that power https://copilot.com (Microsoft's ChatGPT). If you've shipped systems at scale—whether backend services, distributed infrastructure, ML platforms, or consumer AI products—we want to talk to you. The w…

Hiring a full-stack developer (C# preferred, Java or Python acceptable) for onsite work in Munich. Role involves building performant production software, designing solutions for customers, full-stack web frontend experience preferred. Background in …

NEW ROLE FOR EXCEPTIONAL NEW GRADS OPEN Spruce lets users control their data across the web. Instead of users logging into platforms, we believe platforms should request to access data vaults controlled by users. The demand for trusted digital ID …

SIG is a global quantitative trading firm with an entrepreneurial mindset and rigorous analytical approach. One of the largest proprietary trading firms, trading listed financial products and asset classes and handling millions of transactions globa…

We’re building and maintaining a quantitative investment strategy (QIS) calculation engine used across Global Markets. Work closely with sales, trading and structuring teams to implement infrastructure required to calculate quantitative indices in a…

RepSpark is a SaaS B2B wholesale e-commerce platform for apparel, footwear, and accessories. They're hiring Full-Stack Product Engineers (Junior/Senior/Staff) to work across React/TypeScript and C#/.NET with PostgreSQL, modernize .NET Framework to .…