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Senior Fullstack Developer We're currently looking for a Senior Fullstack Developer to join our development team engaged in delivering a key global platform for Worldpanel by Numerator – a key element of our business strategy. One of our continuous goals is to secure a smooth and efficient transition to a more digitally focused cloud environment. In this role, you will be responsible for supporting its delivery, implementing best engineering practices, and mentoring more junior team members. This is also a great opportunity to work with the latest tech and modern software engineering practices. If you're willing to go beyond the obvious, using intelligence, passion and creativity to inspire new thinking and shape the world we live in, apply for a career that'll be out of the ordinary by joining us. In this role you will: Be responsible for the delivery of tested, high quality code across both frontend and backend Design and build RESTful APIs and MVC web applications using .NET and ASP.NET Core Develop modern, responsive frontend experiences using React and TypeScript Build and maintain automation test suites within Azure DevOps Work closely with BAs and Senior Developers to consistently achieve sprint goals Assist in estimation of sprint-by-sprint stories and tasks Pro-actively take a responsible approach to product delivery Requirements: Strong C# / .NET skills (.NET 8+), including ASP.NET Core (Web API + MVC) Experience with frontend development using TypeScript, React 19, and modern tooling (Vite, Redux Toolkit, React Hook Form, Zod) Proficiency with relational databases — SQL Server and/or PostgreSQL — and Entity Framework Core Experience working with Microsoft Azure Cloud services (App Service, Key Vault, Blob Storage, Application Insights, Azure Functions, Data Factory, Databricks, Redis Cache) Experience with Microsoft Entra ID / Azure AD (MSAL, JWT) Experience with Agile methodologies (Scrum/Kanban)
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Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.