Remote Senior C#

Who We Are Hi, we're DuckDuckGo, the online protection company and remote-first team of 400+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, annual revenue now exceeds $100m USD and millions use our browser on Mac, Windows, iOS, and Android, our search engine, and the DuckDuckGo subscription. We also offer...

DuckDuckGo is seeking a Senior C++/Chromium Engineer to lead high-impact projects on our privacy-focused browser core. You will turn vague problems into clear plans and implement them in a large modern C++ codebase, collaborating with design and product mostly asynchronously. You’ll work on features like tracker blocking, VPN integration, and performance...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Software Engineer – C# / .NET based in Spain. Join a globally distributed software organization developing innovative solutions that help consumer brands optimize operations, recover revenue, and grow across major...

**Charles Taylor- Major expansion in Spain - Multiple Opportunities** The Role Loss Adjusters have the job of thoroughly investigating a claim, determining if payment is warranted, negotiating a financial settlement, and authorising payments to the Insured. Once the Insured makes a claim on their insurance policy, you will first investigate the claim in...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer – C++/Go based in Spain. Join a remote-first engineering team developing next-generation cybersecurity and web infrastructure solutions that protect millions of websites and applications worldwide. In...

Jobgether is partnering to hire a Senior Software Engineer – C++/Go in Spain. You will design and build high-performance networking and security software, integrate with Nginx/Apache, and extend open-source components. Expect ownership across the full lifecycle in a remote-first, Europe-wide team. You will work on bot-detection engines, security...

Mozilla is seeking a Senior Software Engineer to join the Privacy Team and advance the Firefox Web Platform from Spain. You will help implement privacy protections, anti-tracking features, and threat intelligence to safeguard millions of users. As part of a distributed team across Europe and the US, you will improve Gecko and contribute high-quality C++,...

Acronis is seeking a seasoned software engineer to join our Cyber Protect team. You will design and develop software in C/C++ or Golang, focusing on robust, cross‑platform solutions. You will implement tests, write documentation, perform code reviews, and work closely with product and QA to ship high‑quality software used by MSPs and enterprises...

SII Group Spain busca un/a Software Project Engineer (WMS) para unirse al equipo. Se valoran perfiles con experiencia en C#, SQL y LINQ, conocimiento de WMS (EasyWMS) y arquitectura de redes/servidores, On-Premise y Cloud. El puesto ofrece 100% remoto, formación continua (Pluralsight, OpenWebinars) y beneficios flexibles, con un entorno internacional y...