Software Engineer .NET

🏢 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: Senior full-stack role focused on building and maintaining scalable applications using .NET and React in Microsoft Azure. The position involves designing cloud-based solutions, contributing to architecture decisions, and ensuring high code quality, testing, and CI/CD practices within an Agile environment. 🗂️ Requirements: 4+ years commercial experience with .NET (C#, .NET/.NET Core, Entity Framework or other ORM, WCF), 3+ years experience with React (or Angular with recent React), 2+ years experience with Microsoft Azure services, Experience with REST or SOAP web services and APIs, Strong knowledge of software architecture and design patterns, Experience with Clean Code principles and Unit Testing, Solid knowledge of SQL, Experience with Git and CI/CD pipelines, Experience with automated deployments, Fluent English 📃 Skills: C#, .NET, .NETCore, EntityFramework, WCF, React, Angular, Azure, AzureFunctions, AzureLogicApps, AzureWebApps, AzureSQL, SQLServer, REST, SOAP, SQL, Git, CI/CD, UnitTesting 🏢 Description: Role Overview We are looking for a Senior .NET Developer with strong experience in React and Microsoft Azure to join our team. In this role, you will work on designing and developing modern full-stack applications, applying best engineering practices and delivering scalable solutions in a cloud environment. You will collaborate closely with cross-functional teams, contribute to architecture decisions, and ensure high standards of code quality, testing, and continuous delivery. Key Responsibilities Design, develop, and maintain full-stack applications using .NET technologies and React . Apply object-oriented and functional programming principles to solve real-world engineering challenges. Write clean, maintainable, and well-tested code following established software design patterns and best practices. Develop and deploy solutions in Microsoft Azure cloud environments . Participate in Agile software development processes , including sprint planning, reviews, and retrospectives. Implement and maintain CI/CD pipelines to enable efficient and reliable software delivery. Collaborate with architects, developers, and stakeholders to design scalable and high-quality solutions. Skills & Attributes for Success Strong ability to write clean, readable, and maintainable code aligned with established design patterns and coding standards. Passion for continuous learning and exploring new technologies, especially within the Azure ecosystem . Strong analytical and problem-solving skills. Ability to work effectively in a collaborative and Agile team environment. Required Qualifications 4+ years of commercial experience with .NET technologies (C#, .NET / .NET Core, Entity Framework or other ORM, WCF). 3+ years of experience with React (Angular experience combined with recent React experience is also acceptable). 2+ years of experience with Microsoft Azure services , such as: Azure Functions Azure Logic Apps Azure Web Apps Azure SQL / SQL Server Experience working with web services and APIs (REST / SOAP). Strong knowledge of software architecture and design patterns . Experience with Clean Code principles and Unit Testing . Solid knowledge of SQL . Experience with source code management (Git) and CI/CD pipelines , including automated deployment. Fluent English (both written and spoken).

🏢 Summary: Senior full-stack .NET Developer role focused on building scalable applications using .NET, Angular, and Microsoft Azure. The position involves designing cloud-based solutions, contributing to architecture decisions, and ensuring high code quality with modern engineering practices. Work includes CI/CD implementation and collaboration within Agile teams. 🗂️ Requirements: 4+ years commercial experience with .NET (C#, .NET/.NET Core, Entity Framework or other ORM, WCF), 3+ years experience with Angular (or React with recent Angular), 2+ years experience with Microsoft Azure services, Experience with REST or SOAP web services and APIs, Knowledge of software architecture and design patterns, Experience with Unit Testing and Clean Code principles, Strong SQL knowledge, Experience with Git and CI/CD pipelines, Experience with automated deployments, Fluent English 📃 Skills: C#, .NET, .NETCore, Angular, Azure, EntityFramework, WCF, SQL, REST, SOAP, Git, CI/CD, AzureFunctions, AzureLogicApps, AzureWebApps, AzureSQL, SQLServer 🏢 Description: Role Overview We are looking for a Senior .NET Developer with strong experience in Angular and Microsoft Azure to join our development team. In this role, you will work in a full-stack capacity, building scalable applications and cloud-based solutions while applying modern software engineering practices. You will collaborate with cross-functional teams, contribute to architecture decisions, and ensure high standards of code quality, testing, and continuous delivery. Key Responsibilities Design, develop, and maintain full-stack applications using .NET technologies and Angular . Apply object-oriented and functional programming principles to solve complex software engineering challenges. Write clean, maintainable, and well-tested code following recognized software design patterns and best practices. Develop and deploy solutions using Microsoft Azure services . Work in Agile development environments , contributing to sprint planning, reviews, and continuous improvement. Implement and support CI/CD pipelines to enable efficient and reliable software delivery. Collaborate with architects, developers, and stakeholders to design scalable and high-quality solutions. Skills & Attributes for Success Strong ability to write clean, readable, and maintainable code aligned with established coding standards. Solid understanding of software design patterns and architecture principles . Passion for continuous learning and exploring new technologies, particularly within the Azure ecosystem . Strong analytical and problem-solving skills. Ability to work effectively in a collaborative Agile environment. Required Qualifications 4+ years of commercial experience with .NET technologies (C#, .NET / .NET Core, Entity Framework or other ORM, WCF). 3+ years of experience with Angular (React experience combined with recent Angular experience is also acceptable). 2+ years of experience with Microsoft Azure services , such as: Azure Functions Azure Logic Apps Azure Web Apps Azure SQL / SQL Server Experience working with web services and APIs (REST / SOAP). Good knowledge of software architecture and design patterns . Experience with Clean Code principles and Unit Testing . Solid knowledge of SQL . Experience with Git , CI/CD pipelines , and automated deployment processes. Fluent English (spoken and written).

🏢 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: Senior backend engineering role focused on building, deploying, and maintaining C#/.NET microservices and distributed systems in AWS. The position involves software architecture design, REST API development, infrastructure automation, CI/CD processes, and collaboration within Agile teams. Experience with cloud infrastructure, databases, and scalable backend systems is required. 🗂️ Requirements: 5+ years of C# software development experience, Experience with .NET Core and .NET Framework, Experience with AWS, Experience with Terraform or CloudFormation, Knowledge of MS SQL, PostgreSQL, or DynamoDB, Experience with REST APIs, Experience with CI/CD processes, Knowledge of OO design patterns and SOLID principles, Computer Science degree, Experience with Agile methodologies, English proficiency 📃 Skills: C#, .NET, TypeScript, REST, AWS, Terraform, CloudFormation, SQL, PostgreSQL, DynamoDB, CI/CD, SCRUM, Kanban, Docker, Kubernetes, Jenkins, CircleCI, GitlabCI, Datadog, React, Java, Elixir, C++, Golang, Erlang, Python, Kotlin 🏢 Description: We are seeking candidates for our client, which operates in Europe. You will need to be proficient in C# backend development with a thorough understanding of the .NET technologies involved. Strong backend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. Technologies we work with: C#, .NET Core, .NET Framework, TypeScript, REST APIs, AWS, Terraform, CloudFormation Responsibilities: Designing, writing, testing functionalities for a backend system written in C# Design software architecture between backend, frontend and mobile apps Deploying and maintaining microservices in AWS using Terraform or CloudFormation Debugging and maintaining system on production used by consumers from several European countries Scoping and assessing the complexity of features Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams who depend on functionalities that you develop Recruiting and mentoring new team members Required qualifications: 5+ years of production software development experience in C# engineer role Solid hands-on experience in .NET Core and .NET Framework technologies Experience in working with AWS and Terraform / CloudFormation Strong knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB Expertise of REST APIs Strong hands-on experience of CI&CD processes Proficiency in OO design patterns, SOLID principles, Clean Code and solving architectural problems Computer Science degree AI Tooling usage Able to work with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Experience in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc. Exposure to frontend development in React Working experience with one of the object-oriented and/or functional languages such as TypeScript, Java, Elixir, C++, Golang, Erlang, Python, Kotlin.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining scalable backend solutions within a DevOps-driven environment. The role involves full software development lifecycle participation, cloud integration, and performance optimization. The position requires collaboration in Agile teams and ensuring high code quality and seamless deployment processes. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments, Experience implementing CI/CD practices, Ability to optimize application performance and scalability 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOps, CI/CD, Agile 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining robust backend systems while supporting full software development lifecycle and DevOps practices. The role involves working in Agile teams, ensuring high performance, scalability, and seamless integration of applications. The position also emphasizes containerization and cloud-based solutions using Azure. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOpsServer, Agile, DevOps, Microservices 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: Backend developer role in an agile team working on a .NET 8 system built with Clean Architecture and a modular monolith approach. The position involves developing and maintaining backend services, managing Azure integrations, supporting CI/CD in Azure DevOps, and ensuring high quality through automated testing. Close collaboration with business stakeholders and preparation of technical designs are required. 🗂️ Requirements: Experience with .NET 8 development, Practical knowledge of Clean Architecture, Experience with Modular Monolith architecture, Backend service development experience, Experience with Azure integrations, Experience with Azure DevOps CI/CD, Knowledge of Entity Framework Core, Experience with Azure SQL, Experience with unit testing, Experience with end-to-end testing, Ability to prepare technical design documentation, Experience working in Agile teams 📃 Skills: .NET, C#, Azure, MassTransit, ServiceBus, EntraID, APIM, Redis, KeyVault, Storage, EntityFramework, SQL, xUnit, Playwright, AzureDevOps, React, LogicApps 🏢 Description: Role Overview We are looking for a developer to join an established project team. The system is built on .NET 8 using Clean Architecture and a modular monolith approach. Candidates must have practical experience working within these patterns and maintaining clear domain boundaries. The role is delivered in an agile team and requires close cooperation with the business side, including technical analysis and short technical design preparation. Engineers will also maintain the backend architecture, handle Azure integrations, and support CI/CD processes in Azure DevOps. Key Responsibilities Develop and maintain backend services in .NET 8 Collaborate closely with Business Analysts by performing technical analysis and translating requirements into implementations. Prepare concise technical designs and documentation for delivered solutions. Maintain and evolve the backend architecture with strict domain boundaries. Manage complex Azure integrations Contribute to CI/CD and release workflows in Azure DevOps. Ensure high quality through unit and end-to-end testing (xUnit, Playwright). Support full-stack delivery with React or workflow automation using Azure Logic Apps. Tech Stack .NET 8 Clean Architecture & Modular Monolith Azure ecosystem: MassTransit, Service Bus, Entra ID, APIM, Redis Cache, Key Vault, Storage Accounts Entity Framework Core & Azure SQL MI Testing: xUnit, Playwright Optional: React, Azure Logic Apps

🏢 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: Junior .NET Developer role focused on building and maintaining applications that integrate data into internal systems using C# and .NET technologies. The position involves working on Windows services, web applications, and AWS-based components while ensuring scalability, stability, and code quality. This is a full-time opportunity with remote or hybrid work options and professional development support. 🗂️ Requirements: Basic knowledge of C#, Basic knowledge of .NET technologies, Familiarity with cloud solutions, Familiarity with MS SQL databases, Understanding of design patterns, Understanding of programming best practices, Willingness to write unit and integration tests, Ability to design scalable and stable solutions, Ability to propose technical solutions with advantages and disadvantages comparison, English proficiency at B2 level, Ability to work in a team, Familiarity with Git, Understanding of SDLC methodologies, Familiarity with CI/CD pipelines 📃 Skills: C#, .NET, AWS, SQL, MS SQL, Git, CI/CD, REST, Angular, AngularJS, Snowflake, Jira, Confluence, Jenkins 🏢 Description: We are looking for a Junior .NET Developer to join our technology team focused on integrating data coming into our system. As a team member, you will assist in creating, developing, and maintaining applications using .NET technology, with a focus on C#. The applications we create include Windows services, web applications, and components deployed using native AWS solutions. Requirements: Basic knowledge of C# and .NET technologies. Familiarity with cloud solutions. Familiarity with MS SQL databases. Understanding of basic design patterns and best programming practices. Willingness to learn and write unit and integration tests. Ability to design scalable and stable solutions with guidance. Ability to propose technical solutions with the comparison of advantages/disadvantages under supervision. English proficiency at B2 level. Ability to work in a team, good communication skills, and the ability to share knowledge. Familiarity with Git. Understanding of software development lifecycle (SDLC) methodologies. Familiarity with building CI/CD pipelines. Nice to Have: Experience with AWS Cloud Services. Familiarity with monitoring and logging tools in AWS. Experience with GitHub. Basic knowledge of API design principles (RESTful). Familiarity with agile methodologies and tools such as Jira/Confluence/Jenkins. Experience with front-end technologies (Angular, AngularJS) is a plus. Knowledge or experience with Snowflake is a plus. Responsibilities: Assist in developing and enhancing applications using .NET (C#). Learn and work with cloud solutions. Write and maintain unit and integration tests under guidance. Contribute to designing and implementing solutions with an emphasis on scalability and stability. Propose technical solutions for presented problems with support from team members. Work with MS SQL databases. Collaborate with other team members and share knowledge. Maintain high code quality following best practices and design patterns. Work closely with Project Managers and other staff members to collect requirements, estimate work, and ensure that projects are delivered according to schedule. We offer: Employment Contract/ B2B Remote work or hybrid work (office in Gliwice) Full time position The possibility of professional development Stable working environment - we focus on long-term cooperation English/Spanish lessons Private medical care Luxmed Live Insurance Allianz Mutlisport Birthday leave Voluntary days International projects Position available immediately