Regular/Senior .NET Fullstack Developer

🏢 Summary: The role involves designing, developing, and maintaining .NET applications and services with a strong focus on code quality and system reliability. The position includes writing automated tests, participating in architectural discussions, and collaborating with QA and DevOps teams. It is suited for an experienced .NET Developer comfortable working with production systems and modern development practices. 🗂️ Requirements: Commercial experience as .NET Developer, Strong knowledge of C#, Strong knowledge of .NET Framework or .NET 6+, Experience with SQL databases, Understanding of software architecture, Knowledge of data modeling, Experience maintaining production systems, English proficiency B2 or higher 📃 Skills: C#, .NET, SQL, REST, Selenium, Gherkin, Jenkins, HTTPS, LDAP, SSH, SFTP, TLS, Architecture, DataModeling, UnitTesting, IntegrationTesting 🏢 Description: Responsibilities: Designing, developing, and maintaining .NET applications and services Write and maintain automated unit and integration tests Participate in code reviews and architectural discussions Collaborate with QA, DevOps, and product teams Requirements: Commercial experience as a .NET Developer Strong knowledge of C#, .NET Framework and/or .NET 6+ Experience working with SQL databases Understanding of software architecture designs and data modeling Experience maintaining production systems Communicative English (B2) Nice to have: Experience creating technical documentation Experience with REST API, Selenium, Gherkin, Jenkins, HTTPS, LDAP, SSH, SFTP, TLS What we offer: Flexible forms of employment and working hours (CoE or B2B) An interesting, challenging job in the dynamically developing Capital Group company; Work on innovative projects using modern technologies; Direct impact on shaping the image of the Capital Group's companies on the market; Possibility to develop competences in a wide range; Attractive salary; Stability of employment and a friendly work atmosphere; Cool benefits, among others integration meetings, internal company competitions, fruit Tuesdays, sweet Thursdays and much more;

🏢 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: The role involves designing, developing, and maintaining applications on the .NET platform, including building new solutions and optimizing existing systems. It focuses on delivering high-quality, secure, and scalable software aligned with business needs in an international environment. The position requires active participation in architecture design, performance optimization, and continuous integration and deployment processes. 🗂️ Requirements: Minimum 3 years of experience in .NET development, Knowledge of MVC, Knowledge of REST API, Experience in team-based software development, Strong knowledge of MS SQL, Strong knowledge of ElasticSearch, Experience with Continuous Integration tools, Experience with Continuous Delivery approach, Knowledge of unit testing, Knowledge of integration testing, Very good command of English 📃 Skills: .NET, MVC, REST, MS SQL, ElasticSearch, Git, TeamCity, CI, CD, UnitTesting, IntegrationTesting 🏢 Description: Your responsibilities Design, create and maintain applications using the .NET platform and environment Understand requirements and transform them into functional applications in line with business objectives Maintain and upgrade existing applications and fix issues Rewriting/making changes in existing code structure to increase efficiency and performance Ensure error-free code that adheres to best coding practices Test, monitor, and make better solutions through incremental updates/new features/app optimization Identify bottlenecks and address issues to ensure the best performance Create architecture, specifications, and user interfaces of .Net applications Innovate and build high-quality software solutions leveraging the versatility of the .NET platform Implement best practices and methodologies for security, quality, and development approach Our requirements Min. 3 years of experience in working in the .NET environment; Knowledge of MVC, Rest API; Experience in team software development; Good knowledge of MS SQL and ElasticSearch; Using Continuous Integration tools (Git,Team City) and the Continuous Delivery approach; Knowledge of unit and integration tests; Very good command of the English language (work as part of an international team); Optional Knowledge of Umbraco, Angular, AWS This is how we work on a project Clean Code code quality measures code review design patterns static code analysis Continuous Deployment Continuous Integration Development opportunities we offer conferences abroad conferences in Poland development budget external training industry-specific e-learning platforms intracompany training mentoring soft skills training space for experimenting substantive support from technological leaders support of IT events technical knowledge exchange within the company the company supports open source projects time for development of your ideas What we offer Opportunities for constant development and work on exciting projects, Working in an international environment, English lessons, Attractive remuneration in Euro, Flexible working hours, Fully or partially paid training and development. Benefits sharing the costs of sports activities sharing the costs of foreign language classes sharing the costs of professional training & courses remote work opportunities flexible working time integration events corporate gym corporate sports team corporate library no dress code coffee / tea drinks parking space for employees leisure zone sharing the costs of tourist services sharing the costs of tickets to the movies, theater employee referral program charity initiatives family picnics

🏢 Summary: Senior .NET Developer role focused on building and maintaining extended functionalities within a distributed, cloud-based system. The position involves working with modern .NET technologies, Angular, cloud platforms, and microservices architecture in an Agile/Scrum environment. The role requires close collaboration with stakeholders while applying clean code and best development practices. 🗂️ Requirements: Bachelor’s degree or Microsoft .NET certification, Strong experience with .NET and C#, Experience with ASP.NET Core and Web API, Experience with Angular (2+), Experience with Azure or AWS, Experience with microservices and distributed systems, Experience with PostgreSQL and SQL Server, Experience with database migrations, Experience with GitHub, Knowledge of SOLID and DRY principles, Fluent English (written and spoken) 📃 Skills: .NET, C#, ASP.NET, Angular, Azure, AWS, Microservices, Kafka, PostgreSQL, SQL, GitHub, WebAPI 🏢 Description: We are looking for a Senior .Net Developer . Responsibility: Develop and maintain extended functionalities Collaborate closely with internal and external consultants, as well as key business stakeholders Work with technologies including Angular (2+), Azure/AWS Cloud, and the .NET stack (.NET 8/9, ASP.NET Core, C#, Web API), along with microservices and distributed systems, Kafka (or similar messaging tools), and databases such as PostgreSQL and SQL Server Actively participate in daily stand-ups, sprint reviews, and planning sessions with Danish colleagues, contributing to continuous improvement of the Scrum process To succeed in this role, you: Hold a relevant bachelor’s degree or a Microsoft certification related to .NET Apply clean code principles and best practices such as SOLID and DRY, with a strong object-oriented mindset Have proven experience in Microsoft .NET (C#), GitHub, PostgreSQL, and database migrations Communicate fluently in English, both written and spoken

🏢 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: 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

🏢 Summary: Junior .NET Developer role focused on building and maintaining data integration applications using C# and .NET. The position involves developing Windows services, web applications, and AWS-based components while following best practices and design patterns. The role includes working with MS SQL databases, cloud solutions, and CI/CD processes in a collaborative environment. 🗂️ Requirements: Basic knowledge of C#, .NET knowledge, Familiarity with cloud solutions, Familiarity with MSSQL, Understanding of design patterns, Knowledge of programming best practices, Willingness to write unit tests, Willingness to write integration tests, Ability to design scalable solutions with guidance, Ability to propose technical solutions under supervision, Familiarity with Git, Understanding of SDLC, Familiarity with CI/CD pipelines 📃 Skills: C#, .NET, AWS, MSSQL, Git, CI/CD, REST, Jenkins, Jira, Confluence, Angular, Snowflake, SDLC 🏢 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

🏢 Summary: The offer is for a .NET Developer responsible for building and enhancing scalable backend systems and REST APIs for global travel platforms. The role involves contributing to architecture, optimizing performance, and collaborating in an agile environment to deliver reliable, high-quality software. It includes hybrid work, international projects, and professional development opportunities. 🗂️ Requirements: Minimum 3 years of commercial experience with .NET development, Strong knowledge of ASP.NET MVC, Experience developing REST APIs, Experience working in agile software development teams, Good knowledge of MS SQL, Good knowledge of Elasticsearch, Experience with CI/CD tools (Git, TeamCity or similar), Experience writing unit and integration tests, Ability to write clean, maintainable, and well-tested code, Very good English communication skills 📃 Skills: .NET, ASP.NET, MVC, REST, MS SQL, Elasticsearch, Git, TeamCity, CI/CD, UnitTesting, IntegrationTesting, Umbraco, Angular, AWS 🏢 Description: We are looking for a .NET Developer to join our team and help build scalable, high-quality solutions that power our global travel platforms. In this role, you will work on the development and enhancement of backend systems, contribute to architectural decisions, and collaborate with cross-functional teams to deliver reliable and efficient software used by customers worldwide. Your responsibilities Design, develop, and maintain applications using .NET technologies Translate business requirements into scalable and maintainable technical solutions Develop and enhance REST APIs and backend services Maintain, troubleshoot, and improve existing applications Refactor and optimize code to improve performance, scalability, and maintainability Write clean, well-structured, and testable code following best practices Participate in code reviews and contribute to improving development standards Identify and resolve performance bottlenecks and system issues Contribute to application architecture, technical design, and system documentation Collaborate closely with developers, QA engineers, Product Owners, and other stakeholders in an agile environment Our requirements At least 3 years of commercial experience with .NET development Strong knowledge of ASP.NET MVC and REST APIs Experience working within agile software development teams Good knowledge of MS SQL and Elasticsearch Experience with CI/CD tools and practices (Git, TeamCity or similar) Experience writing unit and integration tests Ability to write clean, maintainable, and well-tested code Very good English communication skills Nice to have Experience with Umbraco CMS Experience with Angular Knowledge of AWS services and cloud-based solutions How we work Clean Code principles Design patterns and software engineering best practices Code reviews and knowledge sharing Static code analysis Continuous Integration and Continuous Deployment (CI/CD) Agile and collaborative development environment What we offer Hybrid work model (1–2 days per week in our Katowice office) Opportunity to work on international, large-scale projects Attractive remuneration paid in EUR Flexible working hours Individual development budget Partially or fully funded training and certifications English lessons Mentoring and support from experienced technical leaders Participation in conferences in Poland and abroad A culture focused on learning, collaboration, and knowledge sharing Space to innovate and bring your own ideas to life Support for IT community initiatives

🏢 Summary: Senior .NET Developer role focused on maintaining and enhancing .NET-based web applications and APIs within an AWS cloud environment. The position involves backend development, event-driven integrations, containerization, and CI/CD automation while applying best practices and design patterns. The role requires close collaboration with stakeholders and delivering scalable, high-quality solutions. 🗂️ Requirements: Experience with .NET and ASP.NET Web API, Knowledge of AWS services including AWS Lambda, Experience with infrastructure-as-code tools (AWS CDK, Terraform), Experience with Docker, Experience with CI/CD pipelines (GitHub Actions), Familiarity with Kafka and event-driven architectures, Strong knowledge of PostgreSQL and SQL Server, Strong SQL skills, Understanding of design patterns and software development best practices, English proficiency minimum B2 📃 Skills: .NET, ASP.NET, AWS, Lambda, CDK, Terraform, Docker, GitHub, Actions, Kafka, PostgreSQL, SQLServer, SQL 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior .NET Developer Responsibilities: Maintaining and enhancing existing .NET-based web applications and APIs Delivering and improving required functionalities in line with customer expectations Supporting backend services built with ASP.NET Web API Working with AWS services (including Lambda) and infrastructure defined with AWS CDK and Terraform Managing containerized environments using Docker Contributing to CI/CD processes using GitHub Actions Supporting event-driven integrations (Kafka) and database-related tasks (PostgreSQL, SQL Server) Applying design patterns and best practices in everyday development work Collaborating with stakeholders in English (min. B2 level) Requirements: Experience with .NET (Web) and ASP.NET Web API Knowledge of AWS services, including AWS Lambda, and infrastructure-as-code tools (AWS CDK, Terraform) Experience working with Docker and CI/CD pipelines (GitHub Actions) Familiarity with Kafka and event-driven architectures Strong knowledge of relational databases (PostgreSQL, SQL Server) and SQL Understanding of design patterns and software development best practices Customer-oriented mindset with focus on delivering expected outcomes English proficiency at minimum B2 level Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program

🏢 Summary: B2B remote Full Stack Developer role focused on building and maintaining enterprise applications using Angular 20+ and ASP.NET Core (.NET 9+). The position involves designing scalable front-end and back-end architectures, integrating authentication and external systems, and ensuring security, performance, and high code quality. You will work in Agile teams, contributing to CI/CD, testing, and cloud-native deployments. 🗂️ Requirements: Strong experience with ASP.NET Core (.NET 9+), Strong experience with Angular 20+, Experience with RESTful APIs, Experience with Entity Framework Core, Experience with SQL Server, Experience with Azure AD / MSAL authentication, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Experience with unit and integration testing (Vitest, xUnit, Moq), Knowledge of application security and performance tuning, Experience with Azure DevOps, English C1/C2 level 📃 Skills: ASP.NET, Angular, REST, EntityFramework, SQL, SQLServer, AzureAD, MSAL, Docker, Kubernetes, CI/CD, Vitest, xUnit, Moq, AzureDevOps 🏢 Description: Full Stack Developer ASP.NET Core (m/f/d) Location: Poland -Remote Employment Type: B2B Languages: English (C1 /C2) YOUR ROLE Design & Development: You design and develop enterprise applications with Angular 20+ on the front end and ASP.NET Core (.NET 9+) on the back end. Frontend Architecture: You implement standalone components and signals-based architecture for responsive, maintainable UIs. Authentication & Integrations: You integrate Azure MSAL authentication, RESTful APIs, and external system integrations. Data Access: You build and optimize data access layers using Entity Framework Core and manage relational data in SQL Server. Security: You ensure application security through authentication, authorization, and data protection using Azure AD. DevOps & Deployment: You deploy and manage environments using Docker, Kubernetes, and CI/CD pipelines. Testing: You write comprehensive unit and integration tests for both front-end (Vitest) and back-end (xUnit, Moq). Collaboration: You collaborate with cross-functional teams to maintain shared libraries and iterate on user feedback. Performance & Scalability: You troubleshoot, debug, and optimize applications for scalability and performance across the stack. Code Reviews: You actively participate in code reviews by reviewing and approving Pull Requests from team members. MUST-HAVE SKILLS: Strong experience with ASP.NET Core (.NET 9+) and Angular 20+ RESTful APIs, Entity Framework Core, and SQL Server Azure authentication (Azure AD / MSAL) Docker, Kubernetes, and CI/CD pipelines Unit & integration testing (Vitest, xUnit, Moq) Application security, performance tuning, and troubleshooting Experience with Agile teams, code reviews, and Azure DevOps English C1/C2 WHAT WE OFFER B2B Contract Competitive salaryInternational projects Career development opportunities