Fullstack Developer (Flutter | Angular | .NET)

🏢 Summary: Software Engineer role focused on building scalable, high-quality applications with primary emphasis on frontend development in Angular and Flutter, while supporting backend services in C#/.NET and SQL. The position involves developing RESTful APIs, integrating frontend and backend components, and ensuring security, performance, and scalability in an Agile environment. 🗂️ Requirements: 2+ years commercial software development experience, Strong knowledge of Angular and Flutter, Strong knowledge of HTML, CSS, TypeScript, JavaScript, Experience with C# and .NET, Experience with SQL Server, Experience designing and integrating REST APIs, Familiarity with Git, Experience working in Agile environment 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, Git, Agile, REST, APIs 🏢 Description: Our Client is a fast-growing technology group headquartered in London, focused on building industry-specific payment solutions for small and medium-sized businesses. Client develops tailored software solutions across multiple sectors, including retail, services, healthcare, sports, public sector, and non-profit . The company operates across several locations in the UK and has a technology hub in Kraków , offering an international, product-driven working environment. Your role We are looking for a Software Engineer to join a dynamic development team and contribute to building high-quality, scalable applications with real business impact. The role focuses primarily on frontend development using Angular and Flutter , while also supporting backend services built with C#/.NET and SQL . You will work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions, with opportunities to grow across multiple technologies. Your responsibilities Develop, maintain, and enhance applications using Angular and Flutter Support backend development with C#/.NET and SQL Design and implement RESTful APIs and integrate them with frontend applications Ensure application security, performance, and scalability Perform unit testing, debugging, and participate in code reviews Work in Agile sprints (planning, development, testing, deployment) Collaborate closely with Product teams to translate business requirements into technical solutions Stay up to date with emerging technologies and propose improvements Our requirements 2+ years of commercial software development experience Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript Experience with C#/.NET and SQL Server (NoSQL is a plus) Familiarity with Git and Agile methodologies Strong problem-solving skills and attention to detail Very good communication in English and teamwork skills Proactive attitude and willingness to learn Nice to have Interest in cross-platform development What we offer Long-term project Chill zone with a football table Integration events Collaborative, product-focused team Opportunity to grow within a fast-evolving tech company Participation in meaningful products used daily by real customers 📌 Please note: we will contact selected candidates only . TQLO Sp. z o.o. Registered employment agency (KRAZ): 33580

🏢 Summary: B2B contract opportunity for a Fullstack Developer to build and maintain scalable web and mobile applications using Angular, Flutter, and .NET technologies in a hybrid model. The role involves developing frontend and backend components, designing RESTful APIs, and ensuring security, performance, and quality within Agile teams. The position offers collaboration with cross-functional teams and growth across modern technologies. 🗂️ Requirements: Minimum 2 years of software development experience, Strong knowledge of Angular and Flutter, Proficiency in HTML, Proficiency in CSS, Strong knowledge of TypeScript, Strong knowledge of JavaScript frameworks, Experience with C#, Experience with .NET, Experience with SQL Server, Experience with NoSQL databases, Ability to design and implement RESTful APIs, Experience with Git, Experience working in Agile methodologies 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, REST, Git, Agile 🏢 Description: We’re looking for a Fullstack Developer (m/f/n) to join our client's dynamic development team and help build high-quality, scalable applications that make an impact. You’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions — and have the opportunity to grow your skills across multiple technologies. What you’ll do: Develop, maintain, and enhance applications using Angular and Flutter Support backend development with C#/.NET and SQL Design and implement RESTful APIs and integrate them with frontend applications Ensure application security, performance, and scalability Perform unit testing, debugging, and participate in code reviews Collaborate in Agile sprints, contributing to planning, development, testing, and deployment Work closely with the Product team to translate requirements into technical solutions Stay up to date with emerging technologies and suggest process improvements What we’re looking for: 2+ years of software development experience Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript frameworks Experience with C#/.NET and SQL Server (plus NoSQL) Familiarity with Git and Agile methodologies Strong problem-solving skills and attention to detail Excellent communication and teamwork skills A proactive mindset and eagerness to learn new technologies Nice to have: Experience with Ionic or Cordova Knowledge of Azure or AWS cloud platforms Familiarity with Azure Functions, Azure DevOps, and CI/CD pipelines Experience with authentication frameworks (OAuth, JWT, IdentityServer) Interest in cross-platform development Offer: Contract type: B2B via Shimi Rate: 100 PLN/h netto+VAT Work model: hybrid (3 days at the office in Cracow) Benefits: Multisport and Luxmed cards

🏢 Summary: Senior Angular Developer role focused on designing and owning modern frontend architecture using Angular 17 within a Scrum team. The position involves building scalable, high-performance applications, driving best practices, and collaborating closely with clients and cross-functional teams. The role requires strong technical leadership and hands-on frontend expertise. 🗂️ Requirements: 5+ years commercial frontend development experience, Strong expertise in latest Angular versions, Experience with Nx monorepo, Strong experience with NgRx state management, Solid knowledge of TypeScript, RxJS, HTML, CSS, Experience working in Scrum/Agile teams, Ability to design frontend architecture, Experience with performance optimization and troubleshooting, English B2 level minimum, Polish B2 level minimum 📃 Skills: Angular, Nx, NgRx, TypeScript, RxJS, HTML, CSS, Scrum, CICD, .NET, Azure, Monorepo, Architecture 🏢 Description: We are looking for an experienced Senior Angular Developer who enjoys taking ownership, making technical decisions and working closely with the client. We value direct communication, proactive problem solving and curiosity to learn and improve continuously.You will join a Scrum team consisting of Developers, Tech Lead, QA and Product Owner.The project is based on the latest Angular version (Angular 17) and modern .NET backend (maintained by a separate team). In Short 🌎 100% REMOTELY or from one of our 2 offices 💰 Senior: 18 500 - 23 500 zł/h ☑️ B2B contract Your Daily Missions Designing and developing modern, scalable and high-quality frontend solutions using Angular 17 Taking ownership of frontend architecture and driving best practices within the team Building reusable UI components and ensuring high performance and responsiveness of applications Collaborating closely with backend developers, QA, Product Owner and Architect Actively participating in Scrum ceremonies and technical discussions Identifying, troubleshooting and resolving performance and usability issues Reviewing code, mentoring less experienced developers and promoting clean code culture Working directly with client representatives to gather requirements, present solutions and provide technical insights Staying up to date with Angular ecosystem trends and introducing improvements when valuable The Essentials We’re Seeking 5+ years of commercial experience in frontend development , including strong Angular expertise Very good knowledge of Angular (latest versions) and modern frontend architecture Experience working with Nx monorepo Strong experience with NgRx (state management) Solid understanding of TypeScript, RxJS, HTML, CSS Experience working in Scrum/Agile teams Ability to take ownership and make architectural decisions Strong communication skills and comfort working directly with clients English and Polish at B2 level or higher Nice-to-haves Experience working with .NET backend teams CI/CD experience Experience with Azure or other cloud platforms Understanding of modular monolith architecture Experience working in public sector or enterprise-scale projects Reasons Why You Would Enjoy Working With Us We work in the latest technologies and with international clients, and our projects are polished from < to /> - learn about some of the projects we have completed. We organize TechTalks, meet-ups and create guilds where we exchange knowledge - you can learn a lot from your teammates. We have a close-knit team and we make sure to have regular integrations - we often go out to celebrate together. You can work remotely or choose to work from our offices in Wroclaw or Bielsko-Biala. However, we count on your openness to occasionally visit the office for team meetings or client visits, or possible occasional trips to the client's headquarters. You can adjust your working hours to suit your needs, starting your day between 7:00 and 10:00 am. You can work with great specialists in their fields who also have a sense of humor and other after-hours hobbies. It is the people who create the unique atmosphere and relaxed atmosphere at CSHARK. We have a flat structure - we are not a corporation and don't want to be one 🙃. We offer bonuses for employee referrals (from 3000 PLN to 7000 PLN).

🏢 Summary: Front-end Developer role focused on designing, developing, and maintaining scalable Angular-based applications within a complex fleet management ecosystem. The position involves working in an Agile environment, contributing to technical analysis, ensuring code quality, and supporting deployment processes across interconnected digital platforms. The role requires close collaboration with stakeholders and participation in full development lifecycle activities. 🗂️ Requirements: Minimum 7 years of experience as Front-end Developer with Angular, Strong knowledge of TypeScript, Strong knowledge of JavaScript, Strong knowledge of HTML, Strong knowledge of CSS, Strong knowledge of Tailwind, Knowledge of code quality best practices, Knowledge of performance optimization practices, Knowledge of security best practices, Experience maintaining and optimizing existing codebases, Experience with testing methodologies, Experience with CI/CD processes, Experience with deployment tools, Fluent English, Fluent Polish, Residence in Poland, Willingness to work onsite in Warsaw 2-3 days per week 📃 Skills: Angular, TypeScript, JavaScript, HTML, CSS, Tailwind, CI/CD 🏢 Description: We are looking for a skilled Front-end Developer with strong expertise in Angular to join a dynamic Agile environment focused on building and supporting digital platforms for fleet management across multiple countries. The team designs, develops, and maintains scalable applications that serve both internal users and customers, ensuring high-quality service, performance, and security. You will collaborate closely with business stakeholders and contribute to innovative solutions within a complex ecosystem of interconnected platforms. Your tasks Designing and developing modern front-end applications using Angular Collaborating with stakeholders to clarify and refine business requirements Contributing to technical analysis and solution design before project initiation Ensuring code quality, performance, and security standards are met Maintaining and improving existing applications for better scalability and maintainability Participating in testing strategies, deployments, and release processes Requirements Minimum 7 years of experience as a Front-end Developer working with Angular Strong knowledge of TypeScript, JavaScript, Tailwind, HTML, CSS Knowledge of best practices in code quality, performance, and security Experience in maintaining and optimizing existing codebases Familiarity with testing methodologies, CI/CD processes, and deployment tools Fluent in English, both written and spoken Willingness to commute to the office in Warsaw 2-3 days a week Fluent Polish required Residing in Poland required

🏢 Summary: B2B role for a Senior Fullstack Developer to design and build enterprise fintech applications using Angular 17+ and Node.js, with strong .NET and Azure integration. The position involves developing scalable front-end and back-end solutions, ensuring security, performance, and high code quality across cloud-based environments. Work is hybrid with occasional business travel. 🗂️ Requirements: Minimum 7 years of software development experience, Strong experience with Angular 17+ and TypeScript, Hands-on experience with Node.js, Proficiency in C# and .NET 8+, Experience with ASP.NET Core and Entity Framework Core, Experience with SQL Server and relational databases, Experience with Azure services including Azure AD, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Experience with unit and integration testing using Vitest, xUnit, Moq, Experience integrating RESTful APIs and external systems 📃 Skills: Angular, TypeScript, SCSS, HTML, Node.js, C#, .NET, ASP.NET, EntityFramework, SQL, SQLServer, Azure, AzureAD, Databricks, Docker, Kubernetes, CI/CD, Git, npm, REST, Vitest, xUnit, Moq, JSON, YAML 🏢 Description: Industry: Fintech Location: Hybrid Warsaw lor Gdańsk - 1-2 x month + twice a year, a one-week business trip to Munich. Assignment type: B2B Rates: 4-7 years exp: 138 PLN/h, 7-10 years exp.: 154 PLN/h, 10+ years exp: 167 PLN/h Summary: This role focuses on designing and developing enterprise applications, ensuring high-quality user interfaces and robust back-end systems, primarily using Angular and Node.js with experience in .Net and various cloud services. Main Responsibilities: Design and develop enterprise applications with Angular 17+ on the front end and Node.js on the back end. Experience with ASP.NET Core (.NET 8+) Implement standalone components and signals-based architecture for responsive, maintainable UIs. Integrate Azure MSAL authentication, RESTful APIs, and external system integrations. Build and optimize data access layers using Entity Framework Core and manage relational data in SQL Server. Ensure application security through authentication, authorization, and data protection using Azure AD. Deploy and manage environments using Docker, Kubernetes, and CI/CD pipelines. Write comprehensive unit and integration tests for both front-end (Vitest) and back-end (xUnit, Moq). Collaborate with cross-functional teams to maintain shared libraries and iterate on user feedback. Troubleshoot, debug, and optimize for scalability and performance across the stack. Key Requirements: Experience: minimum of 7 years as a developer. Front-End: Angular 17+, TypeScript, SCSS, HTML. Back-End: Node.JS, C#, .NET 8+, ASP.NET Core, Entity Framework Core, SQL Server. Languages & Formats: C#, SQL, JSON, YAML. Testing: Vitest, xUnit, Moq. Tools & Frameworks: Git, npm, RESTful APIs, Docker, Kubernetes, CI/CD pipelines. Cloud: Experience with Azure services (AD, SQL, Databricks). Nice to Have: Soft Skills such as Attention to Detail, Collaboration, Problem-Solving, and Learning Agility.

🏢 Summary: Remote Full Stack .NET Developer role focused on building and maintaining enterprise-grade applications using Angular 20+ and ASP.NET Core (.NET 9+) within a Microsoft and Azure ecosystem. The position involves designing scalable solutions, integrating authentication and external systems, and deploying cloud-native applications using Docker, Kubernetes, and CI/CD pipelines. Long-term B2B project for EU citizens residing in Poland. 🗂️ Requirements: Strong commercial experience as Full Stack .NET Developer, Hands-on experience with Angular 20+, Very good knowledge of ASP.NET Core and modern .NET, Experience designing and developing RESTful APIs, Experience with Microsoft Azure services, Strong knowledge of Microsoft SQL Server, Experience with Entity Framework Core, Experience with Docker and containerized environments, Understanding of Kubernetes, Experience building and maintaining CI/CD pipelines, Strong SQL skills, Knowledge of authentication and authorization mechanisms including Azure AD, Experience in Agile environments, Very good English skills, EU citizenship, Residence in Poland 📃 Skills: Angular, ASP.NET, NET, C#, REST, Azure, MSAL, AzureAD, SQL, SQLServer, EntityFramework, Docker, Kubernetes, CI/CD, Vitest, xUnit, Moq, AzureDevOps 🏢 Description: In Cyclad, we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced Full Stack .NET Developer to join a remote international team delivering enterprise-grade applications using modern Microsoft and Angular technologies. In this role, you will be responsible for designing, developing, and maintaining scalable applications while collaborating closely with cross-functional teams in an agile environment. Project information: Type of project: It services Office Location: Poland Work mode: Remote from Poland Budget: 120-140 PLN net/ h- B2B Project length: Long term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design and develop enterprise applications using Angular 20+ on the front end and ASP.NET Core (.NET 9+) on the back end Implement standalone components and signals-based architecture to build responsive and maintainable user interfaces Integrate Azure MSAL authentication, RESTful APIs, and external systems Build and optimize data access layers using Entity Framework Core and manage relational data in Microsoft SQL Server Ensure application security through authentication, authorization, and data protection mechanisms based on Azure Active Directory Deploy and manage application environments using Docker, Kubernetes, and CI/CD pipelines Develop and maintain comprehensive unit and integration tests for both front-end and back-end components using Vitest, xUnit, and Moq Collaborate with cross-functional teams to maintain shared libraries and continuously improve product functionality based on user feedback Troubleshoot, debug, and optimize applications to ensure scalability, reliability, and high performance Participate actively in code reviews by reviewing and approving Pull Requests from team members Document project progress, architectural decisions, and implementation outcomes using Azure DevOps Boards and Wiki Contribute to continuous improvement initiatives and promote development best practices across the team Competence demands: Strong commercial experience as a Full Stack .NET Developer Proven hands-on experience with Angular and .NET technologies Very good knowledge of ASP.NET Core and modern .NET development practices Experience designing and developing RESTful APIs Practical experience with Microsoft Azure services and cloud-native applications Strong knowledge of Microsoft SQL Server and relational database design Experience with Entity Framework Core Experience working with Docker and containerized environments Good understanding of Kubernetes and container orchestration Experience building and maintaining CI/CD pipelines Strong SQL skills and experience optimizing database queries Understanding of authentication and authorization mechanisms, including Azure AD integrations Experience working in Agile development environments Strong communication and collaboration skills Proactive approach, ownership mindset, and ability to independently lead feature implementations High attention to detail and commitment to code quality Very good English skills, both written and spoken We offer: Remote working model from Poland Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person ) Life insurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Backend Developer role focused on designing and building scalable, secure microservices and APIs using Java and Spring Boot in a cloud-oriented environment. The position emphasizes strong data modeling, architecture design, and CI/CD-driven delivery within Agile teams. The contractor will develop resilient backend solutions and ensure high code quality and reliability. 🗂️ Requirements: Hands-on experience with API and Microservices development in Java or Spring Boot, Proficiency in Java/J2EE application development, Experience with Spring Framework and Hibernate JPA, Experience building and consuming REST web services, Experience working with XML and JSON, Experience with relational or NoSQL databases (Oracle, PostgreSQL, MongoDB), Experience with CI/CD pipelines and Jenkins, Experience with Docker and Git, Unix proficiency, Experience working in Agile methodologies (Scrum or Kanban) 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, CICD, Microservices, Agile, Scrum, Kanban 🏢 Description: Location : Cracow Mode : Hybrid (6 days per month at the office - flexible) Contract : B2B Rate : 160-170 PLN/h Introduction & Summary We are seeking a skilled Backend Developer who possesses a deep knowledge of data modeling and architecture. The ideal candidate should have extensive experience in API development using core Java and Spring Boot, with a strong grasp of security principles and Agile methodologies. The role requires an analytical mindset, capable of designing resilient and scalable solutions while working cross-functionally to foster collaboration and innovation. Main Responsibilities Ensure proper definition and architecture of non-functional requirements in design. Develop and grow skills in designing cloud-based, secure, and adaptable solutions. Build scalable, highly reliable product features through effective software design and implementation. Apply problem-solving and analytical skills to diverse challenges. Interact with cross-functional teams for scalable solution production. Estimate engineering efforts and develop realistic schedules. Identify and resolve complex production issues efficiently. Conduct comprehensive design and code reviews and perform unit testing. Utilize source control and bug tracking systems responsibly. Key Requirements Hands-on experience in API and Microservices development using core Java and/or Spring Boot . Proficient in application development using Java/J2EE and related technologies, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and consuming web services (REST), as well as processing data formats like XML/JSON. Expert knowledge of Agile/Scrum/Kanban development methodologies and experience with databases (Oracle, Postgre, MongoDB). Extensive knowledge of CI/CD deployment pipelines, including Jenkins, Docker, shell scripting, and GIT with Unix proficiency. Nice to Have Experience in JavaScript frameworks such as ReactJs, Node JS, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive designs using frameworks like Bootstrap. Knowledge of GCP, GKE, AWS is an advantage. Experience or knowledge in system architecture and solution design. Hands-on experience in Python, Machine Learning, and Data Science.

🏢 Summary: Frontend-focused Software Developer role in a long-term project for a UK-based digital payments platform, building scalable and secure customer-facing applications. The position involves developing and enhancing Angular and Flutter applications with exposure to backend services and cloud solutions. You will work in cross-functional Agile teams delivering high-quality, business-driven technical solutions. 🗂️ Requirements: Minimum 3 years commercial experience in software development, Strong hands-on experience with Angular, Strong hands-on experience with Flutter, Very good knowledge of HTML, Very good knowledge of CSS, Very good knowledge of TypeScript, Very good knowledge of JavaScript, Experience with C#/.NET backend development, Practical knowledge of SQL Server, Understanding of NoSQL databases, Experience with RESTful APIs, Experience with unit testing, Experience with debugging, Experience working in Agile/Scrum, Experience using Git 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, REST, Git 🏢 Description: Salary: 600-800 PLN/MD net+vat B2B Work model: remote Why choose this offer? Work on real, customer-facing products used daily by clients in the UK and beyond Join a stable yet fast-evolving organization that combines corporate maturity with a tech-driven mindset Be part of a collaborative, product-focused team that values quality, ownership, and innovation Enjoy a people-first culture guided by FAIR™ values: Future-proofing, Approachability, Integrity, and Responsibility Project You will join a long-term project for a UK-based software and payments company delivering integrated digital platforms. The project focuses on building and enhancing scalable, secure, and user-friendly applications that support payment processing, digital services, and internal business operations. You’ll work in cross-functional Agile teams, closely cooperating with Product Owners, Designers, and other Engineers to translate business requirements into high-quality technical solutions. The role has a strong frontend focus (Angular & Flutter) while also giving exposure to backend services and cloud-based solutions. Expected competences and knowledge Minimum 3 years of commercial experience in software development Strong hands-on experience with Angular and Flutter Very good knowledge of HTML, CSS, TypeScript, and JavaScript Experience supporting backend development using C#/.NET Practical knowledge of SQL Server and understanding of NoSQL databases Familiarity with RESTful APIs , unit testing, and debugging Experience working in Agile/Scrum teams and using Git Strong communication skills, problem-solving mindset, and attention to detail Technologies you'll work with Angular Flutter TypeScript, JavaScript C#/.NET SQL Server NoSQL Client – why choose this particular client from the Jit portfolio? JIT Team has recently started a collaboration with this UK- based software and payments company , employing over 900 people and operating its Polish office in Krak ów . The organization specializes in integrated software, payment solutions , and digital services. At the core of they're culture are the FAIR ™ values — Future-proofing, Approachability, Integrity, and Responsibility — which guide everyday decisions and long-term strategy. T hey combine the agility of a tech-driven environment with the stability of an established leader, fostering a collaborative and innovation-focused workplace. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Full Stack Developer role focused on end-to-end development of modern web applications using .NET and Angular in production environments, including cloud deployment in Azure. The position involves building scalable back-end services, SPA front-end applications, and REST APIs within a layered architecture. Hybrid work model in Katowice with start planned for June 2026. 🗂️ Requirements: Strong knowledge of C#, Experience with .NET / ASP.NET, Strong knowledge of TypeScript, Practical experience with Angular, Experience with NgRx and RxJS, Experience building SPA applications, Experience integrating REST APIs, Hands-on experience with Entity Framework, Experience with MS SQL Server, Understanding of layered architecture patterns, Experience with Microsoft Azure, Availability to start in June 2026, Availability for hybrid work in Katowice (3 days per week) 📃 Skills: C#, .NET, ASP.NET, TypeScript, Angular, NgRx, RxJS, HTML5, CSS3, REST, EntityFramework, MSSQL, Azure, AzureAppService, AzureFunctions 🏢 Description: Join a  company that builds advanced industrial automation and digital solutions for customers around the world. As a Full Stack Developer (.NET & Angular), you will work on modern business applications in a hybrid model based in Katowice, with a planned start in June 2026. You will be part of a team responsible for end‑to‑end development of web solutions used in production environments. Key responsibilities Build and support back‑end services in C# and .NET / ASP.NET Develop and maintain front‑end applications using Angular, TypeScript, NgRx and RxJS. Design and implement REST APIs and integrate them with front‑end applications. Use Entity Framework and MS SQL Server to handle data access and business logic. Create and maintain Single Page Applications (SPA) with modern UI component libraries (e.g. Angular Material). Deploy and maintain applications in Microsoft Azure, including Azure App Service and Azure Functions. Take care of application performance, scalability and clean layered architecture (controllers, services, data access). Ideal candidate profile Strong knowledge of C# and experience with .NET / ASP.NET (preferably .NET 8). Strong knowledge of TypeScript and practical experience with Angular. Experience with NgRx, RxJS, HTML5 and CSS3. Experience building and maintaining SPA applications integrated with RESTful APIs. Hands‑on experience with Entity Framework and MS SQL Server. Understanding of layered architecture patterns in back‑end applications. Experience working with Microsoft Azure, especially Azure App Service and Azure Functions. Readiness to start in June 2026 Openness to hybrid work in the office in Katowice (3 days per week) Conditions Form of cooperation: B2B contract Salary: 140-150 PLN net/h Start: June 2026 Hybrid work model - 3 days per week in Katowice Benefits: private medical care, life insurance, Multisport card Recruitment steps Phone call with Recruiter (20 - 30 min.) Technical verification call by the client Interview with the client Feedback and decision

🏢 Summary: Senior Flutter Engineer role focused on designing and developing enterprise-grade mobile applications used globally. The position involves building scalable, secure, and high-performance Flutter apps integrated with backend services and enterprise systems. You will collaborate with cross-functional teams to deliver robust mobile architectures and maintain high code quality standards. 🗂️ Requirements: 5+ years of mobile application development experience, 3+ years of experience with Flutter and Dart, Strong knowledge of Flutter SDK and mobile architecture, Experience with scalable and modular mobile architectures, Experience with Clean Architecture, BLoC/Cubit or MVVM, Knowledge of Kotlin or Swift, Experience with native integrations and platform channels, Experience integrating REST APIs and backend systems, Strong knowledge of state management in Flutter, Experience with OAuth2 and OpenID Connect, Experience with Git, CI/CD and automated testing, Experience working in Agile/Scrum environments, Fluent English and Polish 📃 Skills: Flutter, Dart, FlutterSDK, REST, OAuth2, OpenIDConnect, BLoC, Cubit, MVVM, Kotlin, Swift, Git, CICD, Android, iOS, Azure, AzureAD, EntraID, MicrosoftGraph, WebView, PWA 🏢 Description: We build innovative digital products for the modern workplace in the Cloud, and we need your help. Our platform is used by hundreds of thousands of employees worldwide. We are looking for a Senior Flutter Engineer who will help us design and develop high-quality mobile applications used by enterprise clients around the globe. You will work closely with backend, security, and DevOps teams to build scalable and secure mobile solutions. Key responsibilities: designing and developing enterprise-grade mobile applications using Flutter and Dart, building scalable and modular mobile architectures, integrating mobile applications with backend services and REST APIs, implementing authentication and authorization mechanisms (OAuth2, OpenID Connect), ensuring high standards of code quality through code reviews, testing, and CI/CD, optimizing application performance, responsiveness, and UI rendering, collaborating with backend, security, UX, and DevOps teams, supporting the team in architectural and technical decisions. Apply if you have: 5+ years of experience developing mobile applications, at least 3 years of experience with Flutter and Dart, strong knowledge of Flutter SDK and mobile application architecture, experience designing scalable mobile applications, experience with architectural patterns such as Clean Architecture, BLoC/Cubit or MVVM, knowledge of native Android (Kotlin) or iOS (Swift), ability to implement native platform integrations and bridge Flutter with iOS/Android layers, experience integrating mobile apps with REST APIs and backend systems, strong knowledge of state management in Flutter (Bloc, Provider or similar), experience with authentication and authorization mechanisms (OAuth2, OpenID Connect), experience with Git, code review, CI/CD and automated testing, attention to performance, UI quality, and responsive mobile design, experience working in Agile / Scrum teams, strong communication skills and ability to work collaboratively, a good command of written and spoken English and Polish. Nice to have: experience integrating mobile apps with enterprise systems, experience with Azure ecosystem (Azure AD / Entra ID, Microsoft Graph), knowledge of mobile application security best practices, experience with WebView and PWA integration. We offer: work on a platform used by hundreds of thousands of employees worldwide, access to the latest technologies and tools, multidirectional professional development, certifications and knowledge-sharing opportunities, flexible work model (remote, hybrid or on-site), benefits package (private medical care, Multisport card).