> Markdown version of [/jobs/ext/3138772-senior-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/3138772-senior-full-stack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full-Stack Developer - **Company:** Onhires - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), .NET Framework, C Sharp (Programming Language), Relational Databases, Design of User Interfaces, Microsoft SQL Server, Scrum Methodology, SignalR, Software Engineering, Time Tracking Software, Web Application Frameworks, WebSocket, Multithreading, AngularJS, Kubernetes, Docker - **Published:** September 29, 2026 - **Apply:** https://www.buscojobs.com.es/senior-full-stack-developer-en-barcelona-ID-373379457 ## About the Role Net and C# - expert level; Multi-threading development - deep understanding; High load applications development; Solid knowledge of Docker, Kubernetes; 3+ years of JavaScript & modern frameworks (Angular); Experience with relational database design and development (MS SQL) - advanced; Ability to mock up UI solutions; General understanding and knowledge on the UI/UX best practices; English level- Upper-Intermediate/Advanced (B2/C1-C2). ## Description Our client is looking for a Senior Full-Stack Developer to join their team!TradeTheNews.Com - financial news analysis company.They offer their service to thousands of clients since ****.Joining TradeTheNews is a good opportunity to improve your skills of working on the challenging projects.They have a small IT team of 3-5 people and looking for more devs to work on new and current projects/features.Required skills and qualification: .Net and C# - expert level; Multi-threading development - deep understanding; High load applications development; Solid knowledge of Docker, Kubernetes; 3+ years of JavaScript & modern frameworks (Angular); Experience with relational database design and development (MS SQL) - advanced; Ability to mock up UI solutions; General understanding and knowledge on the UI/UX best practices; English level- Upper-Intermediate/Advanced (B2/C1-C2).Bonus skills: Real-time pushing technologies - WebSocket, SignalR; Elastic Search.Shift: Full time, remote work from home (typical flexible working hours 12 pm - 9 pm GMT+3 )Employment Type: Contract (long term) Benefits and additional details: Paid time off + paid sick leave + paid national holidays.We're a product company with 20+ years of history on the financial services market.We use time tracking, we don't follow SCRUM, we have a small IT team of 5-7 people and looking for more devs to work on new and current projects/features.There are some products we offer to our clients and some in-house developed systems we use inside the company, so there are a lot of places to apply your brilliant skills within our company.Assessment process:1) First introduction interview;2) Technical interview;3) Offer. ## Related Videos - [REST, GraphQL, gRPC, and more: A comparison of modern API styles](https://www.wearedevelopers.com/videos/100247-rest-graphql-grpc-and-more-a-comparison-of-modern-api-styles) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) - [Minimal infrastructure for Real‑Time Phone Agents: transcripts in, responses out](https://www.wearedevelopers.com/videos/1736-minimal-infrastructure-for-real-time-phone-agents-transcripts-in-responses-out) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Blazor – the new SPA Framework for everyone who hates JavaScript](https://www.wearedevelopers.com/videos/699-blazor-the-new-spa-framework-for-everyone-who-hates-javascript) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)