Senior .NET Developer

🏢 Summary: Design and development of enterprise-grade fullstack systems using Angular and .NET, covering the full software lifecycle from requirements analysis to testing and 3rd line support. The role focuses on delivering secure, high-performance solutions and producing technical documentation within an Agile environment. 🗂️ Requirements: BSc or higher degree in Computer Science, IT or Engineering, Minimum 4 years of experience with Angular and .NET, Experience with MS SQL and IIS, Experience with Azure DevOps and MS Visual Studio, Experience with Web Services and WS-Security, Experience in Agile/Scrum methodology, Experience in developing enterprise-level systems, Participation in full lifecycle of at least three software solutions, Ability to develop in data, business logic or UI layer, Knowledge of UML, Knowledge of Sparx Enterprise Architect, Ability to perform Unit and Integration Testing, Ability to provide 3rd line support 📃 Skills: Angular, .NET, MSSQL, IIS, Azure, AzureDevOps, VisualStudio, WebServices, WSSecurity, Agile, Scrum, UML, Sparx, EnterpriseArchitect 🏢 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 Fullstack Developer Responsibilities: Design and develop parts of a complete enterprise-grade software system Translate requirements (user stories) into software design. Produce technical documentation Propose technical solutions for business needs and technical problems Optimize the produced software from the performance, security and quality points of view Collect and interpret software metrics Perform Unit and Integration Testing of the developed software Provide 3rd line support Requirements: BSc or higher education degree in Computer Science/Information Technology/Engineering Expert knowledge of Angular and .NET (mandatory expereince of at least 4 years working with these technologies) Knowledge of MS SQL, IIS Knowledge of Azure DevOps, MS Visual Studio Experience with Web Services, including WS-Security and related extensions Experience working in Agile/Scrum Expertise in developing enterprise level software systems. At least has participated in the complete lifecycle of three software solutions Proficient developing components at least in one of the following layers: data layer, business logic layer and UI layer Knowledge of UML specifications. Knowledge of Sparx Enterprise Architect Ability to set and adhere to the project QA standards Ability to document effectively the developed technical solutions Nice to have: Previous experience, and knowledge in MS SQL Server Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior FullStack Engineer role focused on designing, building, and maintaining web applications across frontend and backend. The position involves developing React components, implementing backend logic in Java, managing PostgreSQL databases, and working with Azure Functions and CI/CD pipelines. The role includes close collaboration with development teams and active participation in code quality processes. 🗂️ Requirements: 4–5+ years of experience as Full Stack Developer, Strong proficiency in React, Strong proficiency in Java, Strong proficiency in PostgreSQL, Experience with Azure Functions, Experience with CI/CD pipelines, Knowledge of Clean Code principles, Experience with code reviews and testing 📃 Skills: React, Java, PostgreSQL, AzureFunctions, CICD, AzureDevOps, GitHubActions, Jenkins, CleanCode, Testing 🏢 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 FullStack Engineer Responsibilities: Designing, building, and maintaining web applications (frontend + backend) Building and developing components in React Implementing backend logic in Java Working with PostgreSQL databases Building and developing Azure Functions Collaborating on the development and maintenance of CI/CD pipelines Collaborating with the project team (dev, QA, architecture) Participating in code reviews and ensuring code quality Requirements: At least 4–5 years of experience as a Full Stack Developer Strong proficiency in: React (frontend), Java (backend), and PostgreSQL Experience with: Azure Functions, CI/CD pipelines (e.g., Azure DevOps, GitHub Actions, Jenkins) Knowledge of software development best practices (Clean Code, code review, testing) Ability to work in an Agile/Scrum environment Good command of English (min. B2) Nice to have: Experience working in a cloud environment (Azure) Knowledge of microservices architecture Experience with enterprise projects Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program

🏢 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: Senior Java Developer role focused on designing and delivering scalable Java-based solutions across the full software development lifecycle. The position involves close collaboration with business stakeholders, integration design using REST and messaging technologies, and ensuring high-quality engineering standards. The offer includes private medical care, sports card co-financing, dedicated consultant support, and an employee referral program. 🗂️ Requirements: Strong experience developing and maintaining Java-based applications, Strong knowledge of Java 21, Spring Boot, PostgreSQL, Experience with messaging technologies (JMS, MQ), Proficiency in Spring and Hibernate frameworks, Experience with relational databases and SQL, Knowledge of OpenAPI and AsyncAPI, Experience with Git and CI/CD pipelines, Strong understanding of software design patterns and OOP principles, Experience across full SDLC (analysis, design, development, testing, deployment), Ability to translate business and regulatory requirements into technical solutions, Experience in integrations using REST APIs and event-driven architectures, Experience mentoring developers and conducting code reviews, Practical experience with AI-assisted development and automation tools, Fluent English (spoken and written) 📃 Skills: Java, Spring, SpringBoot, Hibernate, PostgreSQL, SQL, JMS, MQ, REST, OpenAPI, AsyncAPI, Git, CI/CD, OOP 🏢 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 Java Developer Responsibilities: Participate in all phases of the software development lifecycle, including: Requirements analysis Architecture and solution design Development Testing Deployment Collaborate with business stakeholders and financial analysts to translate requirements into scalable and maintainable technical solutions Design and implement integrations using REST APIs, messaging technologies, and event-driven communication patterns Contribute to application quality through code reviews, technical guidance, and engineering best practices Mentor and support other developers as a technical sparring partner within the team Promote continuous improvement through the responsible use of AI-assisted development and automation Ensure application performance, maintainability, and compliance with established engineering standards Requirements: Strong experience in developing, enhancing, and maintaining Java-based applications Strong knowledge of: Java 21, Spring Boot and PostgreSQL Messaging technologies (e.g. JMS, MQ) Strong proficiency in Java frameworks, including Spring and Hibernate Experience designing and developing solutions supporting complex business processes Experience working with relational databases and SQL Knowledge of: OpenAPI and AsyncAPI Experience with version control systems (Git) and CI/CD pipelines Strong understanding of software design patterns and object-oriented programming principles Experience participating in the full software development lifecycle (SDLC): requirements analysis, solution design, development, testing and deployment Ability to translate business and regulatory requirements into technical solutions Experience collaborating with business stakeholders and analysts Experience mentoring developers, performing code reviews, and supporting solution design decisions Strong collaboration, analytical, and problem-solving skills Practical experience using AI-assisted development and automation tools to improve productivity, quality, and knowledge sharing Fluent English (spoken and written) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Fullstack Developer role focused on developing and modernizing a corporate digital banking platform. The position involves building scalable API solutions, working with microservices and monolithic architectures, and delivering high-quality software using modern engineering practices. The role requires close collaboration within Agile teams to ensure resilient and maintainable solutions. 🗂️ Requirements: Minimum 6 years of Java development experience, Approximately 2 years of Angular experience, Experience building API solutions, Working knowledge of Spring and Hibernate, Experience with reactive programming, Experience with REST and microservices, Experience with SQL, Experience with Git, Knowledge of Cucumber, Understanding of SOLID principles and design patterns, Experience working in Agile environment, Fluency in English 📃 Skills: Java, Angular, Spring, Hibernate, REST, Microservices, SQL, Git, Cucumber, Jasmine, SAFe 🏢 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 Fullstack Developer Responsibilities: Develop and maintain new features for a modern corporate digital banking platform Build and improve API solutions supporting key banking services such as accounts, payments, file transfer, and international/local services Contribute to the modernisation of the legacy Corporate Netbank platform Work with backend services based on microservice and monolithic architecture Design and implement resilient, scalable, and maintainable software solutions Follow Domain-Driven Design principles and port-adapter architecture Collaborate closely with developers, Product Owners, architects, analysts, and QA engineers Support maintenance, compliance, and platform improvement activities Participate in Agile ceremonies and contribute to team planning and delivery Ensure high quality of delivered software through clean code, testing, and best engineering practices Requirements: At least 6 years of hands-on experience in Java development Around 2 years of experience with Angular Strong experience in building API solutions Working knowledge of Spring and Hibernate Experience with reactive programming Experience with REST, microservices, SQL, and Git Knowledge of Cucumber framework Good understanding of SOLID principles and design patterns High level of software development skills and engineering mindset Experience working in an Agile environment, preferably SAFe Strong collaboration skills and focus on quality and timely delivery Fluency in English Nice to have: Working knowledge of unit testing in Jasmine Experience working in banking or financial services projects Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 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: Senior .NET Developer role focused on building and architecting cloud-native backend systems with AWS and CI/CD automation. The position involves designing microservices-based solutions, writing high-quality testable code, and contributing across the full project lifecycle in a spec-driven environment. Fully remote B2B contract with long-term cooperation potential. 🗂️ Requirements: Experience with modern .NET / .NET Core, Experience with AWS or Azure, Knowledge of microservices architecture, Knowledge of distributed systems, Ability to design system architecture, Experience writing integration tests, Experience writing end-to-end tests, Familiarity with BDD approach, Experience with CI/CD automation 📃 Skills: .NET, NETCore, AWS, Azure, CI/CD, Microservices, DistributedSystems, C#, BDD, IntegrationTesting, E2ETesting, Architecture 🏢 Description: Join an international IT company specializing in cloud services, managed services, and digital transformation for enterprises. As a Senior .NET Developer with a focus on AWS and CI/CD automation, you will participate in the project by providing backend support to the Tech Lead and a team. Key responsibilities Designing and architecting system components, Writing high-quality, testable code in .NET, Contributing to the development of modern cloud-native solutions, Working across the full project lifecycle (from discovery to delivery), Participating in planning and analysis (discovery, planning), Working in a “spec-driven” approach (based on specifications), Co-creating and refining specifications, acceptance criteria, and architectural decisions. Ideal candidate profile Experience with . NET (Core / modern .NET), Azure or AWS , Knowledge of architecture: microservices, distributed systems, Ability to translate business requirements into technical architecture, Writing integration and end-to-end tests, Familiarity with BDD (Behavior-Driven Development) approach. Conditions Type of cooperation: B2B contract Initial contract duration: 1st June- End of February 2027, with the intention to extend the cooperation or move top performers to another project. Rate: 130 - 160 PLN/h Benefits: Private healthcare, Multisport card and life insurance Work model: 100% remote from any location in Poland Recruitment steps Phone call with a Recruiter - Oliwia (approx. 20 min.) Interview with Client : Introductory conversation with the delivery team: review of your experience vs project needs, light technical questions, and verification of your comfort in a fully English‑speaking, international environment. Introductory interview : discussion of experience in relation to project requirements, technical questions. Final technical interview with Client : in‑depth technical questions, possibly practical task to see how you think, ask questions, and structure solutions. Decision and feedback

🏢 Summary: Senior Java Developer role focused on designing and building microservices-based backend systems in a cloud environment. The position involves developing modern Java applications, supporting containerization and deployments, and collaborating within Agile teams. Work model: 3 days onsite and 2 days remote. 🗂️ Requirements: Minimum 5 years of professional Java development experience, Strong proficiency in modern Java (records, pattern matching, virtual threads), Experience designing and developing microservices-based applications, Hands-on experience with Docker and containerized applications, Experience with relational databases (PostgreSQL or Microsoft SQL Server), Knowledge of Kubernetes or other container orchestration tools, Experience with AWS or Google Cloud Platform, Experience with Swagger or OpenAPI, Understanding of SDLC and Agile methodologies, Ability to write clean, maintainable, testable code 📃 Skills: Java, Microservices, Docker, Kubernetes, AWS, GCP, PostgreSQL, SQLServer, Swagger, OpenAPI, Agile, SDLC 🏢 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 Java Developer (Microservices/Cloud) Work 3 days a week from the office + 2 days remotely Responsibilities: Design, develop, and maintain backend services using modern Java technologies Contribute to the development of microservice-based architectures Write clean, maintainable, and testable code following best engineering practices Collaborate with cross-functional teams in an Agile development environment Participate in code reviews, technical discussions, and continuous improvement initiatives Support containerization and deployment processes using Docker Work with relational databases to design and optimize data structures and queries Requirements: At least 5 years of professional experience in Java development Strong proficiency in modern Java, including features such as records, pattern matching, and virtual threads Experience in designing and developing microservices-based applications Hands-on experience with Docker and containerized applications Experience with relational databases such as PostgreSQL or Microsoft SQL Server Knowledge of Kubernetes or other container orchestration tools Exposure to cloud platforms such as AWS or Google Cloud Platform Experience with API documentation tools such as Swagger or OpenAPI Strong understanding of the software development lifecycle (SDLC) and Agile methodologies Ability to write clean, maintainable, and testable code Very good command of English (oral and written) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior DevOps Engineer responsible for designing and maintaining AWS-based cloud infrastructure with a strong focus on EKS and Infrastructure as Code. The role involves building and optimizing CI/CD pipelines, automating deployments, and resolving complex infrastructure and networking issues. The position requires close collaboration with development teams to ensure reliability, performance, and continuous improvement of DevOps processes. 🗂️ Requirements: Strong hands-on experience with AWS and EKS, Strong hands-on experience with Terraform (modules, distributed infrastructures), Strong knowledge of cloud networking and troubleshooting, Experience with GitHub, GitHub Actions and GitHub Workflows, Experience with Octopus Deploy, Solid knowledge of CI/CD pipelines, Experience with Docker and Kubernetes, Ability to solve complex production infrastructure issues independently, Advanced understanding of infrastructure architecture 📃 Skills: AWS, EKS, Terraform, Networking, GitHub, GitHubActions, GitHubWorkflows, OctopusDeploy, CICD, Docker, Kubernetes 🏢 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 DevOps Engineer Responsibilities: Design, implement, and maintain cloud infrastructure on AWS (with strong focus on EKS) Develop and manage Infrastructure as Code (Terraform – modular and distributed setups) Build and optimize CI/CD pipelines using GitHub-based ecosystem and deployment tools Automate infrastructure and deployment processes Troubleshoot and resolve advanced infrastructure and networking issues Collaborate with development and architecture teams to ensure system reliability and performance Contribute to continuous improvement of DevOps processes and system architecture Requirements: Strong, hands-on experience with: AWS, including EKS (Kubernetes), Terraform (modules, distributed infrastructures) and Networking (cloud networking, troubleshooting, architecture-level understanding) Experience with: GitHub, GitHub Actions, GitHub Workflows and Octopus Deploy Solid knowledge of: CI/CD pipelines and DevOps practices Containerized environments (Docker/Kubernetes) Proven ability to: Solve complex production issues independently and work on advanced infrastructure challenges beyond standard engineering level Very good command of English, both spoken and written Nice to have: FinOps / cost optimization experience Experience with: Ansible, AWX, Packer and ArgoCD Background in: System architecture / distributed systems design Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program