Mid Full-Stack Engineer (.NET + Azure + Next.js) | Legal Tech Platform

O projekcie: 100% remotely with occasional business trips or in our office: Warszawa Hi, Polcode here! We’re a global technology partner that values collaboration, ownership, and a practical approach to building software. Our team of almost 100 professionals helps build and improve digital businesses, software platforms, eCommerce stores, websites, apps, and everything in between. And they’re good at it. We’re currently looking for a confident Mid-Level Full-Stack Engineer to join a long-term cooperation with a mature UK-based company operating in the legal and intellectual property domain. The client has been building IP-related services for decades and supports companies worldwide in areas such as patents, trademarks, and innovation protection. Their engineering environment has recently gone through significant modernization efforts, and the team is now focused on scaling the platform further and delivering a large backlog of new product initiatives. This role is primarily backend-focused around the modern .NET and Azure ecosystem, but also requires practical frontend experience with Next.js and TypeScript. You’ll become part of an established technical team working in a collaborative, product-oriented environment with mature engineering practices and long-term ownership. Why this project is worth your attention: - Long-term product-focused cooperation- Mature and stable business with global operations- Modern Azure-based engineering environment- Backend-heavy role with practical full-stack ownership- Opportunity to work on real business-critical workflows and domain-heavy systems- Strong engineering culture focused on collaboration and sustainable development- Large product backlog and continuous platform evolution Perks of being a #Polcoder: - Multisport card, private medical care, life insurance, and meaningful gifts to celebrate important days- All the necessary equipment for comfortable work- Professional onboarding process- We respect your private life - no overtime, no weekend jobs, work-life balance only, promise!- Work at times that suit your daily rhythm, from the place of your choice- Your work is appreciated - we believe in the power of feedback, as well as the one you give us TL;DR - Mid+ Full-Stack Engineer- .NET + Azure + Next.js- Backend-focused product role- Modernized cloud infrastructure- Mature UK legal tech company- Long-term cooperation- B2B: 100–140 PLN/h + VAT We strongly believe that putting people first makes our work better. We encourage you to grow your career, contribute to open source, and follow your passion. We wanna do great things with you! 💜 Sounds like a match? Let’s talk! If you feel this is your direction, but don’t meet every single requirement, still reach out. We’d love to hear your perspective and tell you more - Ela is always open for a quick chat. Wymagania: What we’re looking for:- Strong commercial experience with C# and modern .NET (Mid+ level preferred or higher)- Ideally, hands-on experience with .NET 10 - Experience building APIs and backend systems- Practical experience with Azure Functions or similar cloud solutions- Experience with relational databases and EF Core- Good React and TypeScript knowledge- Practical experience with Next.js- Understanding of backend architecture and maintainable engineering practices- Experience working in agile/Scrum environments- Ability to work independently and take ownership of deliverables- Experience using GitHub Copilot, Codex, or similar AI-assisted development tools- English at communicative level (international environment) It would be great if you also have:- Experience with PostgreSQL- Familiarity with MediatR, CQRS, or FluentValidation- Experience with Azure DevOps pipelines- Basic Terraform knowledge- Experience with Material-UI- Experience working on domain-heavy or workflow-oriented products Codzienne zadania: - Build and maintain backend APIs and cloud services using C#/.NET and Azure - Develop frontend features using Next.js, React, and TypeScript - Work with PostgreSQL and EF Core for data modelling and persistence - Support asynchronous and background workflows using Azure services - Integrate frontend applications with backend APIs and generated clients - Improve validation, observability, testing, and overall system quality - Participate in Scrum ceremonies and backlog refinement - Collaborate closely with experienced engineers and stakeholders - Use AI-assisted development tools responsibly in day-to-day engineering work