.NET & React Architect - Cracow - Poland - Hybrid 2 days a week

🏢 Summary: B2B opportunity for an experienced .NET/C# and React Architect to lead end-to-end architecture of scalable, enterprise-grade web applications in a global environment. The role combines hands-on technical leadership across backend and frontend with ownership of architectural standards, scalability, security, and cloud-native solutions. You will guide distributed teams and shape long-term architectural direction in international projects. 🗂️ Requirements: Extensive experience with C# and .NET/.NET Core in enterprise environments, Strong expertise in React and modern frontend ecosystems, Experience designing distributed systems and microservices architectures, Experience designing and integrating RESTful APIs, Knowledge of TypeScript and state management libraries, Experience with CI/CD pipelines and DevOps practices, Cloud experience (Azure preferred), Understanding of UX/UI principles and responsive design, Ability to define architecture standards and conduct code reviews, Professional English proficiency 📃 Skills: C#, .NET, .NETCore, React, TypeScript, REST, Microservices, Azure, CI/CD, DevOps, APIs, UX, UI 🏢 Description: Location: Kraków, Poland (Hybrid) Contract Type: B2B Industry: Global organization / International projects Role Overview We are seeking an experienced .NET / C# & React Architect to lead the design and implementation of scalable, enterprise-grade web applications within a global environment. This role combines hands-on technical leadership with architectural ownership across backend and frontend domains, while ensuring strong alignment with UX/UI best practices. The successful candidate will define architectural standards, ensure system scalability and security, and support distributed development teams in delivering high-quality digital solutions. Key Responsibilities Define and oversee end-to-end solution architecture using C#, .NET (Core/6+) , and React Design scalable backend systems, APIs, and microservices using C# Establish frontend architecture standards, component strategies, and state management patterns Ensure performance, security, maintainability, and scalability across applications Align technical solutions with UX/UI best practices, accessibility, and responsive design Provide architectural guidance, conduct code reviews, and mentor development teams Collaborate with product, UX/UI, and global stakeholders Support cloud-native architecture and DevOps practices (Azure preferred) Required Skills & Experience Extensive experience with C# and .NET / .NET Core in enterprise environments Strong expertise in React and modern frontend ecosystems Proven experience designing distributed systems and microservices architectures Solid understanding of UX/UI principles and user-centered design Experience with RESTful APIs and system integrations Knowledge of TypeScript, state management libraries, and modern frontend tooling Experience with CI/CD pipelines and DevOps practices Cloud experience (Azure preferred) Strong communication skills in English Nice to Have Experience building or maintaining design systems Experience in global or distributed teams Strong background in performance optimization and security best practices What We Offer Long-term B2B engagement Competitive daily rate Participation in international, enterprise-scale projects Hybrid working model in Kraków Opportunity to shape architectural direction in a global organization If you meet the above criteria and are interested in long-term architectural ownership within a global environment, we encourage you to apply.

🏢 Summary: Senior React Architect role focused on defining and leading the front-end architecture for enterprise-scale banking platforms using micro-frontend strategies. The position involves setting technical direction, establishing best practices, and ensuring scalability, performance, and security across the front-end ecosystem. Hybrid B2B opportunity in Wroclaw with long-term cooperation and exposure to modern technologies. 🗂️ Requirements: 8+ years of software development experience, Strong experience with React.js including hooks, state management, and lifecycle, Proficiency in TypeScript, Proficiency in JavaScript (ES6+), Experience with micro-frontend architecture, Experience with REST API integration, Strong knowledge of design patterns and best practices 📃 Skills: React, TypeScript, JavaScript, ES6, Micro-frontend, REST, Azure, Java, Spring, SpringBoot, .NET, Docker, Kubernetes 🏢 Description: We are seeking a highly experienced React Architect to join one of our key clients, on an urgent basis. This is a critical role requiring a deep understanding of front-end architecture, micro-frontend strategies, and enterprise-scale application development. As the React Architect, you will be responsible for defining the technical direction of the front-end ecosystem, establishing best practices, and ensuring the scalability, performance, and security of the banking platforms. 📍 Location: Wroclaw, Poland (Hybrid 3 days/week) ◽️ Employment Type: B2B Experience: 8+ years Must-have: 8+ years in software development Strong React.js (hooks, state management, lifecycle) TypeScript, JavaScript (ES6+) Micro-frontend architecture experience REST API integration Strong knowledge of design patterns and best practices/ Nice-to-have: Banking/finance domain experience Azure cloud knowledge Java/Spring Boot or .NET background Docker/Kubernetes Benefits ✅ Stable long-term cooperation with opportunity for extension Opportunity to work with modern technologies in an international environment Professional growth and continuous development opportunities Participation in challenging and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Senior-level React Architect role focused on defining and leading front-end architecture for enterprise-scale banking platforms using micro-frontend strategies. The position involves setting technical direction, establishing best practices, and ensuring scalability, performance, and security of React-based applications. This is a B2B hybrid opportunity in Wroclaw requiring extensive experience in modern front-end development. 🗂️ Requirements: 8+ years of software development experience, Strong experience with React.js including hooks, state management, lifecycle, Proficiency in TypeScript, Proficiency in JavaScript (ES6+), Experience with micro-frontend architecture, Experience with REST API integration, Strong knowledge of design patterns and best practices 📃 Skills: React, TypeScript, JavaScript, ES6, Microfrontend, REST, Azure, Java, Spring, NET, Docker, Kubernetes 🏢 Description: Job Title: React Architect Location: Wroclaw, Poland (Hybrid 3 days/week) Employment Type: B2B Experience: 8+ years About the Role We are seeking a highly experienced React Architect to join one of our key clients, on an urgent basis. This is a critical role requiring a deep understanding of front-end architecture, micro-frontend strategies, and enterprise-scale application development. As the React Architect, you will be responsible for defining the technical direction of the front-end ecosystem, establishing best practices, and ensuring the scalability, performance, and security of the banking platforms. Must-have: 8+ years in software development Strong React.js (hooks, state management, lifecycle) TypeScript, JavaScript (ES6+) Micro-frontend architecture experience REST API integration Strong knowledge of design patterns and best practices/ Nice-to-have: Banking/finance domain experience Azure cloud knowledge Java/Spring Boot or .NET background Docker/Kubernetes

🏢 Summary: Senior Full-Stack Software Architect role focused on designing and modernizing a scalable enterprise web platform using micro-frontend architecture and cloud-based backend services. The position combines hands-on technical leadership with architectural design across React front-end and Java backend ecosystems. It involves driving legacy modernization, defining platform standards, and ensuring scalable, secure, and high-performance solutions. 🗂️ Requirements: 10+ years of software engineering experience, Experience in architectural roles within large-scale or SaaS environments, Expert-level Java for backend services, Expert-level JavaScript and TypeScript, Strong experience with React and micro-frontend architectures, Hands-on experience with AWS, Azure, or GCP, Experience with cloud-native architectures, Experience with CI/CD pipelines, Experience with infrastructure automation using Terraform, Strong understanding of SDLC, testing, deployment automation, and production monitoring 📃 Skills: Java, JavaScript, TypeScript, React, AWS, Azure, GCP, Terraform, Jenkins, GitHubActions, CI/CD, Microfrontends, .NET, SaaS, SDLC, Cloud, ModuleFederation 🏢 Description: We’re looking for an experienced Senior Full-Stack Software Architect to join a UI Platform team and play a key role in shaping the evolution of a modern enterprise web platform. In this position, you’ll work as a hands-on technical authority, designing scalable architectures that connect micro-frontend solutions with robust, cloud-based backend services. This role is ideal for someone who enjoys working at the intersection of front-end orchestration and backend architecture, modernizing legacy systems, and setting technical direction that scales across teams. Responsibilites: Design and implement a scalable micro-frontend App Shell architecture, including reusable component libraries. Drive the modernization of legacy systems (e.g. .NET-based applications) toward modern React- and Java-based solutions using safe, incremental migration patterns. Collaborate closely with platform and full-stack engineers to define standards for module federation, routing, and inter-application communication. Establish and promote architectural patterns, coding standards, and best practices across multiple engineering teams. Define integration strategies for shared authentication, login workflows, URL routing, and communication between micro-applications. Improve platform-wide performance, observability, security, and reliability. Act as a hands-on architect: review code, guide implementation decisions, and ensure architectural consistency. Mentor engineers and contribute to a culture of technical excellence and continuous improvement. Requirements: 10+ years of experience in software engineering, including work in architectural roles within large-scale or SaaS environments. Strong background in both front-end and back-end architecture, with the ability to clearly document and communicate complex systems. Expert-level experience with Java for backend services and JavaScript / TypeScript + React for front-end and micro-frontend solutions. Hands-on experience with cloud platforms such as AWS, Azure, or GCP, and cloud-native architectures. Strong knowledge of CI/CD pipelines (e.g. GitHub Actions, Jenkins) and infrastructure automation tools like Terraform. Deep understanding of the software development lifecycle (SDLC), including testing strategies, deployment automation, and production monitoring. Strong communication skills and the ability to collaborate across teams, balance technical trade-offs, and influence architectural decisions. Nice to have: Practical experience with micro-frontends, large-scale legacy modernization, and designing high-performance web platforms. Familiarity with architectural documentation approaches such as the C4 model or modernization patterns like Strangler Fig.

🏢 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: 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 .NET + Angular Developer role focused on building and modernizing cloud-native financial systems using containerized microservices. The position involves designing scalable backend services, dynamic frontends, and leading Kubernetes-based deployments within a DevOps-driven environment. You will contribute to migrating legacy systems to a modern, resilient architecture with strong emphasis on clean code and automation. 🗂️ Requirements: 5+ years of experience in software engineering, Strong mastery of .NET (C#), Strong experience with Angular (v12+), Practical experience with Kubernetes, Experience building and running containerized applications, Proficiency in SQL Server or relational databases, Experience with database schema design and performance tuning, Knowledge of CI/CD practices, Understanding of TDD and SOLID principles, Fluent professional English 📃 Skills: .NET, C#, Angular, Kubernetes, SQL, SQLServer, CI/CD, TDD, SOLID, Azure, AWS, EKS, AKS, Kafka, Helm, Terraform, Microservices, Docker 🏢 Description: The Opportunity We are representing an established international financial institution currently undergoing a massive shift toward cloud-native architecture. While many firms talk about "digital transformation," this team is actively dismantling legacy monoliths and rebuilding them as high-performance, containerized microservices. We are looking for a Senior .NET + Angular Developer who doesn't just "use" Kubernetes but understands how to build and scale applications within a modern orchestration ecosystem. This is a role for an engineer who values clean code, architectural integrity, and the power of automated, scalable infrastructure. Your Impact Architect & Build: Design and develop robust backend services using .NET 8/Core and dynamic, responsive frontends in Angular. Cloud-Native Excellence: Take a lead role in deploying and managing services within Kubernetes , ensuring our applications are resilient, observable, and scalable. Database Engineering: Design efficient schemas and optimize complex queries within SQL environments to handle high-frequency financial data. Modernize the Stack: Actively participate in the migration of services to a containerized environment, advocating for best practices in CI/CD and DevOps. Collaborate: Work within a cross-functional team of high-caliber engineers, participating in deep-dive code reviews and architectural workshops. Your Technical Profile The Core: Extensive experience (5+ years) in software engineering with a strong mastery of .NET (C#) and Angular (v12+). The K8s Edge: Proven experience working with Kubernetes . You should be comfortable with pods, services, deployments, and understanding how your code behaves in a containerized environment. Data Mastery: Strong proficiency in SQL Server or similar relational databases, including performance tuning and schema design. Quality First: A mindset focused on TDD, Clean Code, and SOLID principles. Communication: Fluent professional English (written and spoken) is essential for collaboration with our global teams. Preferred (Nice-to-Have) Experience with Azure or AWS (EKS/AKS). Knowledge of Kafka or other message brokers for event-driven architecture. Familiarity with Helm charts or Terraform (IaC). What’s in it for You? Hybrid Flexibility: Work from the comfort of your home anywhere in Poland, with only two scheduled visits per month to our modern hub in Łódź for team integration and high-level strategy sessions. Premium Tech Stack: No "maintenance only" projects. You will work on greenfield features and modern cloud migrations. Stability & Growth: The security of an established enterprise with the agile mindset of a tech-forward team. Streamlined Recruitment: A transparent, technical process that respects your time.

🏢 Summary: Senior Front-End Software Architect role focused on modernizing and scaling a large enterprise web platform through micro-frontend architecture and React-based solutions. The position combines hands-on development with architectural leadership, driving migration from legacy systems and defining front-end standards across teams. You will design a shared App Shell, improve performance and security, and guide technical direction while staying close to the code. 🗂️ Requirements: 8+ years of front-end development experience, Expert knowledge of JavaScript, Expert knowledge of TypeScript, Hands-on experience with micro-frontends architecture, Experience modernizing legacy front-end systems, Strong knowledge of scalable and high-performance web applications, Advanced knowledge of modern build tools, Experience with unit and end-to-end testing, Experience with design systems and component-driven development, Strong CSS knowledge including preprocessors, Experience with CI/CD pipelines 📃 Skills: JavaScript, TypeScript, React, Webpack, Vite, Rollup, Jest, TestingLibrary, Vitest, Storybook, SASS, LESS, CSS, CI/CD, GitHubActions, Jenkins, Terraform, ModuleFederation, Microfrontends 🏢 Description: We’re looking for an experienced Front-End Software Architect to help modernize and scale a large enterprise web platform. In this role, you’ll work hands-on with modern front-end technologies, design and implement a micro-frontend App Shell architecture, and support the migration from legacy systems to modern, React-based solutions. You’ll have a strong technical voice, influence architectural decisions, and help shape front-end standards used across multiple teams — all while staying close to the code. Responsibilities: Design and implement a scalable micro-frontend architecture, including a shared App Shell and reusable component libraries. Lead the migration of features from legacy applications (e.g. .NET-based systems) to modern React solutions. Collaborate closely with full-stack and platform engineers to define patterns for module federation, routing, and inter-application communication. Establish and promote front-end standards, architectural patterns, and best practices across teams. Define integration approaches for shared authentication, login flows, routing across multiple apps on the same domain, and inter-app communication. Drive improvements in performance, security, observability, and reliability across distributed front-end systems. Review code, mentor other engineers, and contribute to a culture of high engineering standards and continuous improvement. Requirements: 8+ years of experience in front-end development, with a strong technical background and experience influencing architecture. Expert-level knowledge of JavaScript and TypeScript. Hands-on experience designing and delivering micro-frontends and modernizing legacy front-end architectures. Strong understanding of building scalable, high-performance web applications. Experience aligning technical solutions with business and delivery goals. Advanced knowledge of modern build tools such as Webpack, Vite, or Rollup. Solid testing experience, including unit and end-to-end testing (Jest, Testing Library, Vitest, or similar). Deep understanding of design systems and component-driven development (Storybook, design tokens). Strong CSS knowledge, including preprocessors (SASS / LESS) and responsive layouts. Experience working with CI/CD pipelines and tools like GitHub Actions, Jenkins, or Terraform. Familiarity with backend technologies and microservices architectures is a plus. Nice to have: Knowledge of web accessibility standards (WCAG) and internationalization (i18n). Experience building offline-ready applications and implementing graceful degradation strategies.

🏢 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: The offer is for a Full Stack .NET Developer responsible for building scalable backend services and RESTful APIs within domain-driven and event-driven architectures, as well as developing responsive frontend interfaces. The role involves working with microservices or modular monoliths, implementing asynchronous integrations, and ensuring high code quality through testing and CI/CD practices. The position requires close collaboration in an agile environment and contribution to architectural decisions. 🗂️ Requirements: Minimum 3 years of experience in similar role, Very good knowledge of ASP.NET WebAPI (.NET Core), Very good knowledge of React, Very good knowledge of TypeScript, Experience with Unit Testing, Very good knowledge of Git, Very good knowledge of SQL Server or Azure SQL, Experience with EF Core, Experience with CI/CD pipelines, Experience with containerised deployments, Experience with event-driven architecture, Good command of English 📃 Skills: C#, .NET, ASP.NET, WebAPI, React, TypeScript, SQL, SQLServer, AzureSQL, EFCore, Git, CI/CD, Docker, Microservices, REST, UnitTesting 🏢 Description: Responsibilities: Designing and implementing scalable backend services and RESTful APIs within a domain-driven and event-driven architecture context, including both modular monolith and microservices approaches Building and maintaining responsive frontend interfaces, ensuring seamless integration with backend systems Contributing to architectural decisions and participating in collaborative design sessions to align technical solutions with business requirements Writing and maintaining unit, integration, and end-to-end tests. Ensuring code quality through thorough code reviews and adherence to team standards Working with CI/CD pipelines, containerised deployments, and infrastructure as code Implementing asynchronous communication patterns and event-based integrations between services Configuring and utilising monitoring and observability tools for application diagnostics and performance analysis Collaborating within an agile team, working closely with business analysts to refine requirements, and actively participating in sprint ceremonies Requirements: At least 3 years of experience on a similar position Very good knowledge of ASP.NET WebAPI (.NET Core) Very good knowledge of React, TypeScript Very good knowledge or experience in Unit Testing and GIT Very good knowledge of SQL Server/Azure SQL, EF Core Good command of English Offer: Constant support of dedicated consultant Employee referral program