Senior Full Stack (.NET) Engineer

Salary range: B2B - 39-44 + VAT 💰

Ciklum is looking for a Senior Full Stack Engineer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. 

Responsibilities:

• Design, develop, and maintain end-to-end web applications using Angular (front-end) and ASP.NET Core (back-end)

• Build responsive and accessible user interfaces aligned with design system best practices

• Implement robust API layers and ensure seamless integration with front-end components

• Apply unit, integration, and end-to-end testing to ensure software quality and maintainability

• Integrate AI and ML components into applications using frameworks like ML.NET

• Collaborate with designers to translate Figma mockups into pixel-perfect, component-driven UIs

• Leverage Azure Cloud Services for deployment, scaling, and monitoring of applications

• Follow CI/CD best practices using Azure Pipelines and manage configurations via Azure Key Vault and App Configuration

• Ensure adherence to secure coding standards, version control, and cloud governance

Requirements:

Front-End Development

• Angular (v18+) – Must have for new hire

• TypeScript & Modern JavaScript (ES6+) – Must have for new hire

• Unit Testing (Karma, Jasmine) – Must have for new hire

• Angular Signals

• State Management Patterns (NgRx or Akita)

• SCSS/CSS and component-based styling

• REST API Integration

• Storybook for component documentation & isolation

• End-to-End Testing (Playwright)

• Figma-to-Code Integration (via tokens, VS Code plugins, or design systems)

Back-End Development

• C# (v12+) – Must have for new hire

• ASP.NET Core Web API (Docker) – Must have for new hire

• .NET 9+ (ASP.NET Core Web API) – Must have for new hire

• Azure Cloud (App Services, Functions, etc.) – Must have for new hire

• AI Development with ML.NET or other ML frameworks – Must have for new hire

• Entity Framework Core – Must have for new hire

• Redis

• Dependency Injection & middleware pipelines

• REST API Design & Versioning

• Authentication & Authorization (OAuth2, JWT, Entra External ID)

• Unit & Integration Testing (xUnit, Moq)

• Async Programming & Performance Tuning

• PostgreSQL

DevOps & Cloud Management

• Azure Pipelines – Must have for new hire

• Source Control (Azure DevOps + GitHub)

• Identity (Entra External ID)

• Key Vault

What`s in it for you?

• Strong community: Work alongside top professionals in a friendly, open-door environment

• Growth focus: Take on large-scale projects with a global impact and expand your expertise

• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications

• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies

• Flexibility: Enjoy flexibility – full remote working possibilities

• Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.

Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.