NET Developer (with Optimizely / Episerver)

🏢 Summary: The offer is for a Senior .NET Developer with 5+ years of experience to design, develop, and maintain scalable backend applications using modern .NET technologies. The role focuses on building high-quality APIs, contributing to architectural decisions, and ensuring application reliability in cloud-based environments. It involves close collaboration with cross-functional teams and strong engagement in testing, CI/CD, and production support. 🗂️ Requirements: Minimum 5 years of experience with .NET development, Strong experience with C# and .NET Core, Solid understanding of REST APIs, Experience with Entity Framework Core, Strong knowledge of SQL, Experience with cloud platforms (Azure or AWS), Experience with CI/CD pipelines, Experience with Git version control, Experience with unit and integration testing, Experience with message broker systems, Familiarity with agile development practices 📃 Skills: C#, .NET, .NETCore, REST, EntityFramework, SQL, Azure, AWS, CI/CD, Git, UnitTesting, IntegrationTesting, MessageBroker, Angular, Docker, Kubernetes, Microservices 🏢 Description: Summary: We’re looking for a highly skilled .NET Developer with a minimum of 5 years of experience. This role focuses on solving complex problems, building high-quality software, and contributing to a collaborative engineering culture. The candidate should be passionate about clean architecture, modern .NET development, and delivering impactful solutions. Responsibilities: Analyze, design, develop, and maintain applications using .NET / .NET Core. Build scalable backend services (APIs). Collaborate with cross-functional teams (Business, Dev, Infra, etc.). Participate in code reviews to elevate engineering standards. Contribute to architectural decisions and technical roadmaps. Provide business support and monitor applications (level 2 support, incident resolution, and troubleshooting). Key Requirements: Strong experience with C# and .NET Core. Solid understanding of REST APIs, Entity Framework Core, and SQL. Familiarity with cloud platforms (Azure or AWS). Experience with CI/CD pipelines and version control (Git). Strong testing culture: unit tests, integration tests, and production validation. Familiarity with agile development practices. A mindset focused on quality, performance, and maintainability. Experience with a message broker. Nice to Have: Knowledge of microservices architecture. Experience with front-end frameworks (Angular). Background in distributed systems or high-availability environments. Knowledge of Docker & Kubernetes. Experience with Azure functions. Other Details: This position allows for flexibility and may accommodate remote work arrangements. Candidates should be prepared for collaborative team engagements with a focus on delivering high-quality software solutions.

🏢 Summary: The offer is for a .NET Developer responsible for developing and maintaining .NET Core applications and REST APIs in a cloud-based environment. The role involves managing CI/CD pipelines, ensuring high software quality through testing, and working within Agile teams. It is suitable for candidates with 2–3 years of experience seeking remote or hybrid work. 🗂️ Requirements: 2–3 years of experience in C# and .NET Core development, Experience in developing and maintaining REST APIs, Proficiency with Entity Framework Core, Experience with Azure and basic AWS services, Experience with Azure DevOps and CI/CD pipelines, Knowledge of Git and automated build processes, Hands-on experience with Agile and Scrum methodologies, Experience with unit and integration testing 📃 Skills: C#, .NET, Azure, AWS, REST, EntityFrameworkCore, AzureDevOps, Git, CICD, Agile, Scrum, UnitTesting, IntegrationTesting 🏢 Description: Motivated .NET developer with 2–3 years of experience in developing and maintaining C# / .NET Core applications. Experienced with cloud platforms (Azure and AWS), CI/CD pipelines (Azure DevOps), and backend services, with a strong understanding of REST APIs and Agile practices. Solid testing culture with unit, integration, and production validation to ensure high-quality and reliable software. Main Responsibilities: Developing and maintaining .NET Core applications Designing and implementing REST APIs Managing CI/CD pipelines using Azure DevOps Collaborating within Agile teams Ensuring software quality through comprehensive testing practices Participating in code reviews and pair programming Key Requirements: C# / .NET Core development experience Proficiency with REST APIs and Entity Framework Core Experience in Azure and basic AWS services Familiarity with Azure DevOps, Git, and automated build processes Hands-on experience in Agile and Scrum methodologies Knowledge of testing practices: unit testing and integration testing Nice to Have: Knowledge of microservices architecture Basic front-end knowledge: Angular / React Experience with Docker and Kubernetes Understanding of distributed systems and high-availability environments Other Details: Immediate availability is preferred, but negotiation is possible. This role is suitable for remote or hybrid working arrangements.

🏢 Summary: The offer is for a .NET Developer responsible for designing, developing, and maintaining scalable backend applications and APIs within a collaborative engineering environment. The role focuses on high-quality software delivery, architectural contributions, and cloud-based solutions. It also involves application monitoring, incident resolution, and continuous improvement of engineering standards. 🗂️ Requirements: Strong experience with CSharp and DotNetCore, Experience building REST APIs, Proficiency with EntityFrameworkCore and SQL, Experience with Azure or AWS, Experience with CICD pipelines, Proficiency with Git, Experience with unit and integration testing, Knowledge of Agile methodologies, Experience with message brokers such as AzureServiceBus or RabbitMQ 📃 Skills: CSharp, DotNet, DotNetCore, REST, EntityFrameworkCore, SQL, Azure, AWS, CICD, Git, UnitTesting, IntegrationTesting, AzureServiceBus, RabbitMQ, Microservices, Angular, Docker, Kubernetes, AzureFunctions, Agile 🏢 Description: Summary: A highly skilled .NET Developer is needed to solve complex problems and enhance software quality within a collaborative engineering culture. Responsibilities: * Analyze, design, develop, and maintain applications using .NET / .NET Core * Build scalable backend services (APIs) * Collaborate with cross-functional teams (Business, Development, Infrastructure…) * Participate in code reviews and elevate engineering standards * Contribute to architectural decisions and technical roadmaps * Provide business support by monitoring applications and troubleshooting incidents Must Haves: * Strong experience with C# and .NET Core * Solid understanding of REST APIs, Entity Framework Core, and SQL * Familiarity with cloud platforms (Azure or AWS) * Experience with CI/CD pipelines and version control (Git) * Strong testing culture: unit tests, integration tests, and production validation * Knowledge of Agile development practices * Mindset focused on quality, performance, and maintainability * Experience with a message broker (Azure Service Bus or RabbitMQ) * Fluent in English; proficiency in French or Dutch is a plus Nice to Haves: * Knowledge of microservices architecture * Experience with front-end frameworks (Angular) * Background in distributed systems or high-availability environments * Knowledge of Docker & Kubernetes * Experience with Azure Functions Other Details: * Location: [Not specified] * Team Structure: Cross-functional collaboration is emphasized * Reporting Lines: [Not specified] * Project Context: Development and maintenance of impactful software solutions

🏢 Summary: The role involves developing and maintaining scalable full-stack web applications using .NET and modern frontend frameworks. You will design robust Web APIs, optimize databases, and implement clean, testable code within CI/CD-driven environments. The position requires active participation in the full software development lifecycle for international projects. 🗂️ Requirements: Minimum 3 years commercial experience with .NET (C#, Web API, Entity Framework), Proficiency in Angular or React, Strong knowledge of JavaScript, HTML, CSS, Experience with SQL Server or PostgreSQL, Understanding of Unit Testing, Experience with Git, Experience with CI/CD pipelines, Knowledge of design patterns, Knowledge of software development best practices, Fluent English (min. B2), Availability for hybrid work mode 📃 Skills: .NET, C#, WebAPI, EntityFramework, Angular, React, JavaScript, HTML, CSS, SQL, SQLServer, PostgreSQL, UnitTesting, Git, CI/CD 🏢 Description: As a member of our development team, you will be responsible for building scalable web applications, designing robust APIs, and creating intuitive user interfaces. We value clean code, analytical thinking, and a proactive approach to technology. Our expectations: Minimum 3 years of commercial experience in .NET (C#, Web API, Entity Framework). Proficiency in Angular or React, along with JavaScript, HTML, CSS, and modern frontend libraries. Strong experience with relational databases such as SQL Server or PostgreSQL. Solid understanding of Unit Testing, Git, and CI/CD pipelines. Practical knowledge of design patterns and software development best practices. A collaborative mindset and the ability to explain complex technical issues clearly. Strong analytical skills and a "get it done" attitude. Fluent English (min. B2) for smooth collaboration with international partners. Open to work in hybrid mode. Main responsibilities: You will design, develop, and maintain scalable full-stack applications using .NET and modern frontend frameworks (Angular/React) for diverse client projects. You will be responsible for writing clean, testable code and implementing unit tests to ensure the highest software performance and reliability. You will work closely with cross-functional teams to architect robust Web APIs and optimize database schemas while following industry best practices and design patterns. You will actively participate in the full software development life cycle, including CI/CD processes and version control management, to ensure seamless project delivery.

🏢 Summary: Full-stack developer role focused on designing, developing, and maintaining web applications using Angular and .NET within an NX monorepo architecture. The position involves building RESTful APIs and microservices, creating responsive front-end interfaces, and ensuring high code quality through testing and CI/CD practices. The role emphasizes modern architectural principles, performance optimization, and secure application development. 🗂️ Requirements: Minimum 5 years of full-stack development experience with Angular and .NET, Strong proficiency in C# and .NET Core/Framework, Experience with Entity Framework and LINQ, Solid experience with Angular (v12+) and TypeScript, Hands-on experience with RxJS, Hands-on experience with NX monorepo architecture, Experience writing unit and integration tests with Jest, Experience with DevExtreme component library, Proficiency with Visual Studio, Experience with Git and Azure DevOps Services, Experience with SQL Server and query optimization, Knowledge of REST API design and HTTP standards, Understanding of software design patterns and SOLID principles, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent experience 📃 Skills: Angular, TypeScript, RxJS, NgRx, .NET, C#, EntityFramework, LINQ, SQLServer, PostgreSQL, Jest, Git, AzureDevOps, VisualStudio, DevExtreme, NX, REST, HTTP 🏢 Description: The primary objective of this role is to design, develop, and maintain full-stack web applications using Angular and .NET technologies while adhering to modern architectural best practices. Main Responsibilities: Design, develop, and maintain full-stack web applications using Angular and .NET in an NX monorepo architecture. Develop RESTful APIs and microservices using .NET Core/Framework, following Clean Architecture principles. Build responsive, user-friendly interfaces with Angular, incorporating modern patterns like RxJS and NgRx. Work with relational databases like SQL Server and PostgreSQL, designing efficient data models. Write comprehensive unit and integration tests using Jest for maintaining high code quality. Manage version control with Git and oversee CI/CD pipelines in Azure DevOps Services. Participate in code reviews to improve code quality and team practices. Collaborate with product managers, UX designers, and other developers to deliver solutions on time. Contribute to optimizing application performance and ensuring security best practices. Key Requirements: Minimum 5 years of experience in full-stack development with Angular and .NET. Strong proficiency in C#, .NET Core/Framework, Entity Framework, and LINQ. Solid experience with Angular (v12+), TypeScript, and RxJS. Hands-on experience with NX monorepo structure. Proficiency with Jest for writing unit and integration tests. Experience with the DevExtreme component library. Proficiency with Visual Studio for .NET development. Hands-on experience with Git and Azure DevOps Services. Experience with SQL Server and optimized queries. Knowledge of REST API design and HTTP standards. Understanding of software design patterns and SOLID principles. Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). Nice to Have: Experience in agile methodologies. Familiarity with cloud services like Azure or AWS. Exposure to frontend testing frameworks like Jasmine.

🏢 Summary: Fullstack Developer role focused on designing, developing, and maintaining web applications using Angular and .NET within an NX monorepo architecture. The position involves building RESTful APIs, microservices, and responsive front-end interfaces while ensuring high code quality, performance, and security. The role also includes working with relational databases, automated testing, and CI/CD pipelines in Azure DevOps. 🗂️ Requirements: Minimum 5 years of full-stack development experience with Angular and .NET, Strong proficiency in C# and .NET Core/Framework, Experience with Entity Framework and LINQ, Solid experience with Angular (v12+) and TypeScript, Strong knowledge of RxJS, Hands-on experience with NX monorepo, Experience writing unit and integration tests with Jest, Experience with DevExtreme, Proficiency with Visual Studio, Hands-on experience with Git, Experience with Azure DevOps Services, Experience with SQL Server and query optimization, Knowledge of REST API design and HTTP standards, Understanding of software design patterns and SOLID principles, Bachelor's degree in Computer Science, Engineering, or equivalent experience 📃 Skills: Angular, TypeScript, RxJS, NgRx, .NET, C#, EntityFramework, LINQ, NX, Jest, DevExtreme, VisualStudio, Git, AzureDevOps, SQLServer, PostgreSQL, REST, HTTP 🏢 Description: We’re looking for Fullstack developer The primary objective of this role is to design, develop, and maintain full-stack web applications using Angular and .NET technologies while adhering to modern architectural best practices. Main Responsibilities: Design, develop, and maintain full-stack web applications using Angular and .NET in an NX monorepo architecture. Develop RESTful APIs and microservices using .NET Core/Framework, following Clean Architecture principles. Build responsive, user-friendly interfaces with Angular, incorporating modern patterns like RxJS and NgRx. Work with relational databases like SQL Server and PostgreSQL, designing efficient data models. Write comprehensive unit and integration tests using Jest for maintaining high code quality. Manage version control with Git and oversee CI/CD pipelines in Azure DevOps Services. Participate in code reviews to improve code quality and team practices. Collaborate with product managers, UX designers, and other developers to deliver solutions on time. Contribute to optimizing application performance and ensuring security best practices. Key Requirements: Minimum 5 years of experience in full-stack development with Angular and .NET. Strong proficiency in C#, .NET Core/Framework, Entity Framework, and LINQ. Solid experience with Angular (v12+), TypeScript, and RxJS. Hands-on experience with NX monorepo structure. Proficiency with Jest for writing unit and integration tests. Experience with the DevExtreme component library. Proficiency with Visual Studio for .NET development. Hands-on experience with Git and Azure DevOps Services. Experience with SQL Server and optimized queries. Knowledge of REST API design and HTTP standards. Understanding of software design patterns and SOLID principles. Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). Nice to Have: Experience in agile methodologies. Familiarity with cloud services like Azure or AWS. Exposure to frontend testing frameworks like Jasmine.

🏢 Summary: The role involves developing and maintaining an enterprise-grade web application within the .NET ecosystem, with a strong focus on backend development and system architecture. You will design and enhance REST APIs, implement business logic, and integrate modern .NET Core solutions with legacy .NET Framework components. The position emphasizes scalable architecture, database optimization, and high code quality through comprehensive testing. 🗂️ Requirements: 5+ years of experience in .NET development, Strong expertise in .NET Core and backend systems, Experience designing and building REST APIs, Hands-on experience with Entity Framework Core, Experience with relational databases, especially SQL Server, Understanding of software architecture and design patterns, Experience working with .NET Framework 4.8, Experience with unit, integration, and end-to-end testing, Ability to integrate and maintain backend services, Basic knowledge of React or experience collaborating with frontend teams 📃 Skills: .NET, C#, ASP.NET, REST, Swagger, OpenAPI, EntityFramework, SQLServer, SQLite, React, xUnit, NUnit, AI, Copilot, ChatGPT 🏢 Description: Additional information The project focuses on the development and maintenance of an enterprise-grade web application built on the .NET ecosystem, with a strong emphasis on backend and system architecture. The main responsibility is to design and enhance REST APIs and business logic , including integration with existing components based on .NET Framework 4.8. The system relies on relational databases (SQL Server) and ORM solutions such as Entity Framework Core, with a strong focus on quality through multi-level testing. The role also involves collaboration with the frontend layer (React), although it is not the primary focus. The environment requires a high level of autonomy, technical decision-making, and a proactive approach to improving the existing architecture. You’re ideal for this role if you: Have 5+ years of experience in .NET development, with strong expertise in .NET Core and backend systems Are confident in designing and building REST APIs, including architecture and best practices (e.g., Swagger/OpenAPI) Have hands-on experience with Entity Framework Core and relational databases such as SQL Server Understand software architecture, design patterns, and how to build scalable, maintainable systems Are familiar with legacy environments, including .NET Framework 4.8, and can work across modern and existing solutions Have solid experience with testing (unit, integration, end-to-end) and care about code quality Have basic knowledge of React or are comfortable working closely with frontend teams Use AI tools (e.g., Copilot, ChatGPT) to improve development efficiency Take ownership of your work and proactively identify improvements rather than waiting for tasks Your day-to-day responsibilities include:​ Designing, developing, and maintaining backend services using .NET Core Building and enhancing REST APIs, ensuring performance, scalability, and clear documentation (Swagger/OpenAPI) Integrating new features with existing systems based on .NET Framework 4.8 Implementing business logic and ensuring consistency across application layers Working with databases (SQL Server, SQLite) and optimizing data access with Entity Framework Core Writing and maintaining tests (unit, integration, end-to-end) to ensure high code quality Collaborating with frontend developers (React) to ensure smooth end-to-end functionality Participating in architectural discussions and contributing to technical decisions Identifying areas for improvement and proactively proposing enhancements Using AI tools to streamline development and increase productivity

🏢 Summary: Senior Software Engineer role focused on developing and maintaining a complex enterprise .NET platform, combining backend development, production troubleshooting, and performance optimization. The position involves working on identity-related systems and improving architecture, reliability, and code quality within a large-scale environment. The engineer will contribute to technical decisions and future platform evolution. 🗂️ Requirements: 5+ years commercial experience with C# and .NET, Strong knowledge of ASP.NET Core, Experience with asynchronous programming, Experience with dependency injection, Hands-on experience with Entity Framework Core, Strong understanding of SQL Server, Experience with query optimization, Experience with OAuth2, Experience with OpenID Connect, Experience with JWT, Experience supporting and troubleshooting production systems, Fluent English 📃 Skills: C#, .NET, ASP.NET, EntityFramework, SQLServer, OAuth2, OpenIDConnect, JWT, IdentityServer, Duende, ActiveDirectory, AzureAD, MicrosoftGraph, Quartz.NET, SignalR, Playwright, AzureDevOps, CI/CD 🏢 Description: We are looking for an experienced Senior Software Engineer to develop and maintain a complex enterprise .NET platform used by global organizations. This role combines backend development , production troubleshooting , performance optimization , and work on identity-related systems . 💼 Responsibilities: Design, develop, and maintain backend services built with C# and .NET Investigate and resolve complex production issues and customer-reported problems Optimize application performance, database queries, and system reliability Collaborate with Product, Support, and Engineering teams on technical solutions Improve architecture, code quality, and engineering standards Participate in technical discussions and contribute to future platform development ✅ Requirements: 5+ years of commercial experience with C# and .NET Strong knowledge of ASP.NET Core and modern .NET applications Experience with asynchronous programming and dependency injection Hands-on experience with Entity Framework Core Good understanding of SQL Server, query optimization, and database performance Experience with OAuth2, OpenID Connect, JWT Experience supporting and troubleshooting production systems Fluent English communication skills 🌟Nice to have: Experience with IdentityServer / Duende IdentityServer Understanding of Active Directory, Azure AD or Microsoft Graph Hands-on experience with Quartz.NET or similar scheduling frameworks Familiarity with SignalR, Playwright, Azure DevOps and CI/CD pipelines 🎁 We offer: Work on a mature enterprise product used globally Influence technical decisions and platform evolution Private healthcare Life insurance Multisport Opportunity to work with modern .NET technologies and large-scale systems

🏢 Summary: Fullstack Developer role focused on building scalable web applications using ASP.NET, C#, and React, with strong emphasis on API design, event-driven architecture, and cloud-native environments. The position involves end-to-end development, CI/CD practices, containerized deployments, and collaboration in agile teams. Ideal for engineers experienced in backend services, modern frontend ecosystems, and orchestration tools. 🗂️ Requirements: Strong experience with ASP.NET, Strong experience with C#, Experience building scalable backend services and APIs, Strong experience with React, Understanding of modern frontend architecture, Experience with API design, Experience with GitLab CI/CD, Experience with RabbitMQ, Experience with Docker, Experience with Kubernetes 📃 Skills: ASP.NET, C#, React, TanStack, Tailwind, Playwright, RabbitMQ, Docker, Kubernetes, GitLab, Linux, Unity, APIs, CI/CD 🏢 Description: Role Overview We are looking for a skilled Fullstack Developer with strong backend expertise in ASP.NET and C#, combined with modern frontend development using React. The role involves building scalable web applications, designing robust APIs, and contributing to cloud-native and event-driven architectures. The ideal candidate is comfortable working across the full stack, collaborates well in agile teams, and has an interest in modern tooling, orchestration, and frontend ecosystems. Core Responsibilities • Design, develop, and maintain scalable fullstack applications • Build and maintain backend services using ASP.NET and C# • Develop responsive and modern frontend applications using React • Design and integrate APIs and asynchronous communication flows • Collaborate with developers, designers, QA, and DevOps teams • Contribute to architecture discussions and technical decisions • Ensure code quality through testing, reviews, and CI/CD practices • Participate in deployment, monitoring, and troubleshooting activities Must-Have Skills Backend • Strong experience with ASP.NET • Strong experience with C# • Experience building scalable backend services and APIs Frontend • Strong experience with React • Good understanding of modern frontend architecture and component-based development Should-Have Skills • Experience with GitLab Pipelines / CI-CD • Experience with API design and best practices Frontend Libraries & Tooling • Experience with: o TanStack o Tailwind CSS o Playwright o AI agent development (Kiro, Claude, Cursor) Messaging & Async Communication • Experience with: o RabbitMQ o Event-driven and asynchronous communication patterns • Understanding of async workflows across frontend and backend systems Infrastructure & Orchestration • Experience with: o Docker o Kubernetes • Familiarity with containerized deployments and orchestration Nice-to-Have Skills • Interest or experience in Unity / game development • Strong Linux competence Preferred Qualifications • Experience working in agile development environments • Strong problem-solving and debugging skills • Understanding of scalable and maintainable software architecture • Good communication and collaboration skills • Passion for learning modern technologies and frameworks Tech Stack Summary Area Backend: ASP.NET, C# Frontend: React Frontend Libraries: TanStack, Tailwind, Playwright Messaging: RabbitMQ Infrastructure: Docker, Kubernetes CI/CD: GitLab Pipelines Additional: Linux, API Design, Unity

🏢 Summary: Fullstack Developer role focused on building and enhancing dynamic web applications using .NET on the backend and React on the frontend. The position involves developing robust services, implementing responsive UI components, and resolving complex technical issues. The goal is to strengthen the team’s capability to deliver high-performance, scalable applications. 🗂️ Requirements: 5+ years of fullstack development experience, .NET expertise for backend development, Strong React knowledge for frontend development, Experience with Web APIs (WCF, REST), Database management experience, Proficiency in HTML, JavaScript, CSS, Understanding of message queues 📃 Skills: .NET, React, WCF, REST, WebAPI, HTML, JavaScript, CSS, SQL, Databases, MessageQueues 🏢 Description: Summary: The ideal candidate is expected to function as a Fullstack Developer, contributing both front-end and back-end functionalities with a strong focus on .NET and React technologies. The primary goal is to enhance the team's capabilities in developing seamless, robust applications. Main Responsibilities: Engage in full-stack development to create dynamic web applications. Implement the front-end components using React. Develop back-end services using .NET. Communicate effectively with team members and stakeholders in English. Investigate and resolve complex technical problems proactively. Collaborate with team members to enhance application performance and usability. Key Requirements: 5+ years of experience in fullstack development. Expertise in .NET for backend development. Strong understanding of React for frontend development. Fluent communication skills in English. Knowledge of Web APIs (WCF and REST APIs). Familiarity with database management. Competence in HTML, JavaScript, and CSS. Understanding of message queues. Nice to Have: Experience with cloud services or platforms. Familiarity with CI/CD practices. Exposure to Agile methodologies.