Software Developer (React + Python + AI)

🏢 Summary: Long-term remote B2B contract for an experienced Full Stack Software Engineer (React + .NET) to build cloud-native applications for the energy sector. The role involves developing scalable end-to-end solutions using React, .NET, PostgreSQL, and Azure in a microservices-based architecture. Work is conducted in an agile team during North American hours. 🗂️ Requirements: Minimum 3+ years of professional experience in full-stack development, Strong commercial experience with React and .NET, Proficiency in React hooks, context, React Query and state management, Solid knowledge of C# and building RESTful APIs in .NET, Experience with PostgreSQL including schema design and performance optimization, Hands-on experience with Azure and containerized applications, Experience with CI/CD pipelines such as GitHub Actions or Azure DevOps, Strong experience with test-driven development (TDD), Experience with Playwright or similar UI testing frameworks, Experience working with microservices architecture, EU citizenship and residence in Poland, English level minimum B2 📃 Skills: React, TypeScript, .NET, C#, PostgreSQL, Azure, AKS, ACI, Docker, Microservices, REST, Playwright, TDD, GitHub, GitHubActions, AzureDevOps, CI/CD, GraphQL, gRPC, DDD 🏢 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 seeking an experienced Software Engineer (React+.NET) to join a remote development team working on modern, cloud-native applications for the energy sector. If you enjoy building scalable solutions, working with modern technologies, and collaborating in agile teams. Project information: Type of project: IT Services Office location: Poland Work mode: Remote Working hours: North American working hours – 13:00–21:00 CET, occasionally 15:00–23:00 CET Budget: 160–170 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 availability) Project scope: Develop end-to-end features across the full stack using React, .NET, and PostgreSQL Build and maintain cloud-native solutions using Azure containerized environments and microservices architecture Create scalable backend APIs using .NET (C#) Design and implement modern React-based frontend components Write clean, maintainable code following test-driven development (TDD) practices Implement and maintain automated tests, preferably using Playwright for UI and end-to-end testing Collaborate with product owners, designers, and engineers in an agile team environment Participate in code reviews, design discussions, and architectural decisions Actively use GitHub Copilot to enhance development efficiency and quality Troubleshoot, debug, and optimize applications for performance and scalability Requirements: Minimum 3+ years of professional experience in full-stack development Strong experience as a Full Stack Developer with React and .NET Proficiency in React (hooks, context, React Query, state management) Experience with TypeScript is highly desirable Solid knowledge of .NET (C#) and building RESTful APIs Experience with PostgreSQL, including schema design and performance optimization Hands-on experience with Azure and containerized applications (e.g., Azure Container Apps, AKS, or ACI) Experience working with CI/CD pipelines such as GitHub Actions or Azure DevOps Strong experience with test-driven development (TDD) Experience with Playwright or similar UI testing frameworks Comfortable working with AI-assisted development tools such as GitHub Copilot Strong communication skills and ability to collaborate in agile development environments Good English communication skills, minimum B2 Nice to have: Experience with microservices or distributed architectures Knowledge of GraphQL or gRPC Familiarity with Domain-Driven Design (DDD) Experience using Azure DevOps Boards or Jira We offer: Remote working model Full-time job agreement based on on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Remote Full-Stack Software Engineer role focused on designing, building, and maintaining scalable web applications using modern backend and frontend technologies. The position involves end-to-end feature ownership, customer collaboration, and development of secure, high-performance systems. The engineer will work with Python, FastAPI, React, and cloud-native tools in a distributed team. 🗂️ Requirements: Approximately 5 years of professional software development experience, Strong backend development experience with Python and FastAPI, Experience with NGINX, Strong frontend development skills with React and TypeScript, Experience with Vite, Experience with MSSQL, Experience with SQLAlchemy, Hands-on experience with Docker, Hands-on experience with Kubernetes, Experience designing and consuming REST APIs, Experience with relational databases, Ability to design secure, scalable systems, Fluent English communication skills, EU citizenship, Residence in Poland 📃 Skills: Python, FastAPI, NGINX, React, TypeScript, Vite, MSSQL, SQLAlchemy, Docker, Kubernetes, REST, SQL, CI/CD, Cloud 🏢 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 seeking a highly experienced Full-Stack Software Engineer to join a remote development team. The role focuses on designing, building, and maintaining scalable web applications using modern backend and frontend technologies. The ideal candidate is autonomous, proactive, and comfortable working directly with customers to translate business needs into robust technical solutions. Project information: Type of project: IT Services Office location: Poland Work mode: Remote Budget: 140-160 PLN net /h - b2b Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate availability) Project scope: Design, develop, and maintain backend services and REST APIs using Python and FastAPI Build modern, responsive frontend applications using React, TypeScript, and Vite Own features end-to-end, from backend logic to frontend user interfaces Collaborate directly with customers and stakeholders to gather requirements and provide technical guidance Design and optimize database schemas and queries using MSSQL and SQLAlchemy Deploy, operate, and maintain applications using Docker and Kubernetes Ensure best practices in security, performance, scalability, and maintainability Participate in architecture discussions and contribute to technical decision-making Troubleshoot production issues and provide reliable operational support Work closely with product, design, and engineering teams to deliver high-quality solutions on time Requirements: Approximately 5 years of professional software development experience Strong autonomy and ability to manage tasks with minimal supervision Proven experience in customer-facing or stakeholder-facing roles Solid backend development experience with Python, FastAPI, and NGINX Strong frontend development skills with React, TypeScript, and Vite Experience working with relational databases, particularly MSSQL, and ORM tools like SQL Alchemy Hands-on experience with containerization and orchestration tools such as Docker and Kubernetes Understanding of secure, scalable, and maintainable system design Experience in cloud environments (optional) Knowledge of CI/CD pipelines and DevOps best practices (optional) Experience working in agile or product-driven teams (optional) Strong verbal and written communication skills in English Self-driven, accountable, and results-oriented Comfortable working directly with customers and taking ownership of delivered solutions Team-oriented mindset with a proactive approach to problem-solving We offer: Remote working model Full-time job agreement based on b2b contract Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Long-term remote B2B opportunity for an experienced Full Stack Developer to build secure, scalable backend services and full-stack features using Python and FastAPI. The role involves designing REST APIs, implementing authentication mechanisms, and working with containerized, cloud-based environments. The project focuses on secure development practices and high-performance distributed systems. 🗂️ Requirements: Minimum 4 years of experience in full stack or backend development, Strong experience with Python and FastAPI, Experience designing and developing REST APIs, Experience with PostgreSQL, Knowledge of OAuth2, OIDC, RBAC, SSO, Hands-on experience with Docker and Kubernetes, Experience with CI/CD pipelines, Understanding of secure software development practices, Ability to work in cloud or hybrid environments, EU citizenship and residence in Poland 📃 Skills: Python, FastAPI, REST, PostgreSQL, OAuth2, OIDC, RBAC, SSO, Docker, Kubernetes, CI/CD, React, TypeScript, Next.js 🏢 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 Developer (Python / FastAPI) to join a remote team working on secure and scalable backend services and full-stack feature development Project information: Type of project: IT services Office location: Poland Work mode: Remote Budget: 130-150 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 full-stack features (frontend + backend) Build backend services using Python (FastAPI) and REST APIs Develop scalable data models and secure services Implement authentication and authorization (OAuth2, OIDC, RBAC, SSO) Work with Docker, Kubernetes and CI/CD pipelines Support secure development practices (validation, compliance, scanning) Collaborate with teams on technical requirements and system design Troubleshoot and improve system performance and stability Competence demands: Min. 4 years of experience in similar roles Strong experience with Python (FastAPI) and REST APIs Experience with PostgreSQL Knowledge of authentication/security frameworks (OAuth2, OIDC, RBAC, SSO) Hands-on experience with Docker, Kubernetes and CI/CD tools Understanding of secure software development practices Ability to work in cloud or hybrid environments Min. 4 years of experience in similar roles Nice to have: React, TypeScript, Next.js We offer: Remote working model 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

🏢 Summary: Senior JavaScript React Developer role focused on building and maintaining high-performance frontend solutions for large-scale, multi-country eCommerce platforms. The position involves developing modern applications with React.js and Next.js, contributing to a multisite Drupal transition, and driving best practices across the full development lifecycle. The role requires close collaboration with cross-functional and international teams in a hybrid work setup. 🗂️ Requirements: Strong experience with React.js and Next.js (SSG/SSR, i18n, performance optimization), Proficiency in JavaScript and TypeScript, Strong knowledge of HTML5, CSS/SCSS, Tailwind, Experience with REST and GraphQL APIs, Experience with Git and CI/CD pipelines, Knowledge of Docker and Kubernetes, Experience with cloud platforms (AWS or Azure or GCP), Understanding of headless or decoupled architecture, Experience with performance optimization and scalable frontend architecture, Knowledge of WCAG accessibility standards, Experience working in Agile/Scrum environment, English level B2 or higher 📃 Skills: React, Next.js, JavaScript, TypeScript, HTML5, SCSS, Tailwind, REST, GraphQL, Git, Jira, Figma, Confluence, Docker, Kubernetes, GitLab, AWS, Azure, GCP, Drupal, jQuery, CI/CD, WCAG, Scrum, AJAX 🏢 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. For our client, we are looking for a Senior JavaScript React Developer to join our client's Website & eCommerce team. In this role, you will be responsible for building and maintaining modern, high-performance frontend solutions using React.js and Next.js. You will collaborate closely with designers, backend developers, and international stakeholders while driving best practices across the development lifecycle. You will play a key role in the evolution of large-scale, multi-country digital platforms and contribute to the transition toward a new multisite Drupal platform planned for 2026. Project information: Location: Warsaw, Poland Work Setup: Hybrid work (2 - 3 days/ week in the office) Rate: 125 PLN/net/h + VAT (B2B contract) Language: English (B2+ Required) Start date: depending on candidate availability Project scope: Develop and maintain frontend components using React.js and Next.js (SSG/SSR, i18n, performance optimization) Build and support custom CMS modules, plugins, and integrations Contribute to all phases of the software development lifecycle: design, development, testing, deployment, and maintenance Drive and promote best practices, including test-driven development, CI/CD, SCRUM, refactoring, and code standards Collaborate closely with UX/UI designers and frontend/backend developers to deliver intuitive and visually appealing user experiences Ensure website content is easily editable by non-technical users Optimize applications for performance, scalability, and accessibility (WCAG) Work with distributed international teams and key stakeholders Stay up to date with emerging frontend technologies and industry trends Requirements: Technical Skills: Frontend: Strong skills in React.js and Next.js (SSG/SSR, i18n, performance optimization). Languages: JavaScript/TypeScript, HTML5, SCSS/Tailwind. APIs: REST, GraphQL. Tooling: Jira, Git, Figma, Confluence. Architecture (Preferred): Headless, Decoupled, Micro Frontends, Component-based design. Cloud & DevOps: Docker, Kubernetes, GitLab CI/CD, AWS/Azure/GCP. Competences: Strong front-end skills: HTML, CSS, JavaScript, jQuery, plus modern frameworks (React, Next.js). Understanding of the entire web development process (design, development, deployment). Good understanding of asynchronous request handling, partial page updates, and AJAX. Proficient in cross-browser compatibility and scalable application design principles. Experience with data migration, transformation, and scripting. Familiarity with Agile and Scrum methodologies. Prior experience with digital accessibility (WCAG) We offer: Full-time job agreement based on B2B Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Long-term remote B2B contract for an experienced Fullstack Developer focused on frontend refactoring with Angular and building scalable full-stack solutions in a distributed environment. The role involves developing and maintaining features across the stack, ensuring high code quality, and contributing to CI/CD and infrastructure processes. The project requires close collaboration with cross-functional teams and strong backend expertise in Java and Spring Boot. 🗂️ Requirements: EU citizenship, Residence in Poland, Strong experience with Angular v12+, Strong knowledge of TypeScript, Solid experience with Java, Experience with Spring Boot, Experience in frontend and backend development, Understanding of nginx and server configuration, Knowledge of clean code and refactoring principles, Communicative German (B1/B2) 📃 Skills: Angular, TypeScript, Java, SpringBoot, nginx, CI/CD, Docker, Kubernetes, Helm, Ingress, TLS, Cypress 🏢 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 seeking an experienced Fullstack Developer to join a remote development team. The role focuses on frontend refactoring and building scalable full-stack solutions in a distributed environment. Project information: Type of project: IT services Office location: Poland Work mode: Remote Budget: 110-150 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: Lead and execute frontend refactoring activities to improve structure, performance, and scalability Develop and maintain full-stack features in a distributed environment Collaborate closely with product owners, architects, and other engineers Ensure high-quality code through testing, code reviews, and best engineering practices Contribute to DevOps/CI/CD processes and infrastructure (if experienced) Competence demands: Strong experience with Angular (v12+) and TypeScript Good understanding of nginx, headers, and server configuration Solid experience with Java and Spring Boot Proven experience in both frontend and backend development Strong understanding of clean code and refactoring principles Communicative German skills (B1/B2) Nice to have : Experience with Docker, Kubernetes, Helm, Ingress Knowledge of Infrastructure & TLS concepts Knowledge of Cypress for automated testing We offer: Remote working model 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

🏢 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: Senior Fullstack Developer role in an international product development team focused on building and maintaining secure, scalable fullstack applications using Java and modern frontend technologies. The position involves hands-on backend and frontend development, microservices architecture, SPA development, and collaboration within Agile teams in an English-speaking environment. Hybrid work model in Warsaw with long-term B2B engagement. 🗂️ Requirements: 10+ years of software development experience, Strong fullstack development experience, Expert knowledge of Java, Experience with Spring, Experience building microservices, Experience with Single Page Applications, Knowledge of frontend technologies, Experience designing secure and scalable applications, Understanding of testing and code quality practices, Experience working in Agile environments, Strong analytical and problem-solving skills, Very good English skills, EU citizenship, Residence in Poland 📃 Skills: Java, Spring, SpringBoot, Microservices, SPA, Agile, CI/CD, DevOps, Docker, Kubernetes, Cloud 🏢 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 Senior Fullstack Developer to join an international team responsible for developing and maintaining modern, secure, and scalable applications supporting critical business processes. You will work in a hands-on development role across both backend and frontend technologies, contributing to high-quality software delivery while collaborating with international stakeholders in an English-speaking environment. Project information: Type of project: Product Development Office location: Warsaw, Poland Work mode: Hybrid (3 days from the office, 2 days remotely) Budget: 100- 130 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, develop, and maintain modern fullstack applications Build secure, scalable, maintainable, and testable software aligned with business requirements Develop and evolve Java-based microservices using Spring Boot Design and implement modern Single Page Applications (SPA) following frontend best practices Collaborate closely with business and technical stakeholders to translate requirements into high-quality technical solutions Ensure application reliability, performance, and service continuity Follow software engineering best practices, including code quality, testing, and security standards Participate in code reviews and contribute to continuous improvement initiatives Work within Agile development teams in an international English-speaking environment Support the evolution of existing applications while contributing to the development of new features and services Competence demands: 10+ years of professional experience in software development Strong experience as a full-stack developer with expertise in backend and frontend development Excellent knowledge of Java and Spring Boot Proven experience developing microservices-based applications Strong experience with modern frontend technologies and Single Page Applications (SPA) Experience designing secure, scalable, and high-performance applications Solid understanding of software engineering best practices, including testing, code quality, and clean architecture Experience working in Agile development environments Strong analytical and problem-solving skills Excellent communication skills and ability to collaborate with business and technical stakeholders Very good English skills Nice to have: Experience with cloud platforms Knowledge of CI/CD pipelines and DevOps practices Experience with containerization technologies such as Docker and Kubernetes Experience working in international enterprise environments We offer: Hybrid working model 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 inssurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Senior Full Stack Developer role focused primarily on backend development with Python and FAST API, combined with React-based frontend work in a hybrid B2B model. The position involves designing scalable web applications, building high-performance APIs, and working with relational and NoSQL databases. Strong backend expertise is essential, with intermediate frontend skills and experience in modern DevOps practices. 🗂️ Requirements: 8+ years of professional software development experience, Expert proficiency in Python, Strong experience with FAST API, Strong knowledge of relational and NoSQL databases, Experience with SQLAlchemy ORM, Deep understanding of data structures and algorithms, Experience building RESTful APIs and microservices, Proficiency in writing unit and integration tests in Python, Strong knowledge of ReactJS and NodeJS, Experience with Redux or MobX, Familiarity with React Query, Experience with Material UI, CSS, and HTML, Experience with Jest and Cypress, Solid understanding of JavaScript and TypeScript 📃 Skills: Python, FASTAPI, SQLAlchemy, PostgreSQL, MySQL, MongoDB, DynamoDB, ReactJS, NodeJS, Redux, MobX, ReactQuery, MaterialUI, CSS, HTML, Jest, Cypress, JavaScript, TypeScript, Docker, Kubernetes, AWS, Azure, GCP, RabbitMQ, Kafka 🏢 Description: Working mode: Hybrid mode ( 2-3 days in a week from the office in Wroclaw or Warsaw) Experience Level: 8+ Years Contract Type: B2B About the Role We are looking for a highly skilled Senior Full Stack Developer with a primary focus on Python and FAST API to join the development team. The ideal candidate is a Python expert capable of architecting robust backend services. While React skills are required, we are flexible regarding the depth of frontend expertise (Intermediate level is acceptable), provided the backend strength is exceptional. Key Responsibilities Backend Architecture: Design, develop, and maintain scalable web applications using Python and FAST API . API Development: Build high-performance RESTful APIs and microservices, ensuring low latency and high availability. Database Management: Work with relational and NoSQL databases, utilizing ORMs like SQLAlchemy to design efficient database schemas and queries. Frontend Development: Develop and maintain user-facing features using ReactJS , ensuring the technical feasibility of UI/UX designs. Code Quality: Write clean, maintainable, and testable code; perform unit testing to ensure robustness. DevOps: Implement and manage CI/CD pipelines to streamline deployment processes. Collaboration: Work closely with cross-functional teams (Product, QA, and Design) in a hybrid working environment. Mandatory Technical Skills 1. Backend (Core Strength): Languages: Expert proficiency in Python . Frameworks: Strong experience with FAST API (Must-have). Experience with SQLAlchemy is highly preferred. Fundamentals: Deep understanding of data structures, algorithms, and space-time complexity. Database: Strong understanding of Relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB) databases. Testing: Proficiency in writing unit tests and integration tests for Python applications. 2. Frontend (Intermediate Level): Libraries: Strong knowledge of ReactJS and NodeJS . State Management: Experience with React workflows such as Redux or MobX . Tooling: Familiarity with React Query . Styling: Experience with Material UI , CSS , and HTML . Testing: Experience with frontend testing tools like Jest and Cypress . JavaScript: Solid understanding of JavaScript , TypeScript , and browser rendering behavior. Good to Have Experience with cloud platforms (AWS, Azure, or GCP). Knowledge of containerization (Docker, Kubernetes). Understanding of microservices architecture and message queues (RabbitMQ, Kafka).

🏢 Summary: Senior React Developer role focused on building and maintaining modern, scalable web applications in a large international banking environment. The position involves developing high-quality, responsive frontend solutions, ensuring code quality, and supporting production systems within an Agile team. Long-term B2B contract with hybrid work model in Kraków. 🗂️ Requirements: Proven experience delivering web applications, Strong experience building rich frontend/UI layers, Excellent knowledge of React.js, Excellent knowledge of JavaScript, Excellent knowledge of TypeScript, Strong knowledge of HTML5, Strong knowledge of CSS3, Experience with CSS preprocessors (SASS or Less), Experience with Jest, Experience with React Testing Library, Experience creating pixel-perfect UI from detailed specifications, Experience designing responsive interfaces for desktop and mobile, Understanding of accessibility standards, Understanding of cross-browser compatibility, Knowledge of JSON, Knowledge of XML 📃 Skills: React, JavaScript, TypeScript, HTML5, CSS3, SASS, Less, Jest, ReactTestingLibrary, JSON, XML 🏢 Description: Location: Kraków, Poland Work model: Hybrid, 6 days per month in the Kraków office Recruitment process: Test + 1-hour live coding interview in React Contract : B2B, long-term About the role We are looking for a Senior React Developer to join the Business Services Digital team . The team delivers IT solutions and support for Business Services within a large-scale, international banking environment. This is a great opportunity for an experienced frontend engineer who enjoys building high-quality digital products, working in Agile teams, and contributing to modern, scalable web applications in a complex enterprise setting. Your responsibilities Design, develop, test, and implement modern web-based applications Build rich, responsive, and pixel-perfect user interfaces using React Maintain a delivery-oriented approach across application development and supporting software/data infrastructure Manage software releases and support existing systems in production Ensure code quality, maintainability, and full test coverage Contribute to and promote frontend best practices and engineering standards Mentor other team members through knowledge sharing and technical guidance Deliver solutions on time and within budget Follow internal development methodologies, security standards, and documentation requirements Drive productivity and quality improvement initiatives Coordinate releases through to Production Required experience Proven track record in delivering web applications Strong experience building rich frontend/UI layers Excellent knowledge of React.js Excellent knowledge of JavaScript and TypeScript Strong knowledge of HTML5 , CSS3 , and CSS preprocessors such as SASS or Less Experience with frontend testing frameworks such as Jest and React Testing Library Experience creating pixel-perfect UI based on detailed specifications Experience designing responsive interfaces for desktop and mobile applications Good understanding of accessibility and cross-browser compatibility Good knowledge of data marshalling/de-marshalling using JSON and XML Nice to have Experience working with Git Familiarity with IntelliJ and VS Code Good understanding of responsive web techniques Knowledge of Node.js / Express Experience designing digital products in the onboarding or banking domain What makes this opportunity interesting Work on impactful digital solutions in a global banking environment Join a mature engineering team focused on quality, delivery, and best practices Contribute to modern frontend development using React and TypeScript Competitive B2B rate

🏢 Summary: Remote Fullstack Developer role focused on building and maintaining a modern cloud-based platform for the insurance and financial services sector. The position involves developing backend services in .NET and frontend components in Angular, deployed on Microsoft Azure. It is a long-term project within an international agile team. 🗂️ Requirements: Strong experience in fullstack development with .NET and Angular, Hands-on experience with .NET 8, .NET Core, ASP.NET Core, C# 10, Experience with Entity Framework, Proficiency in Angular and TypeScript, Experience with SQL databases, Experience with Microsoft Azure services: Service Bus, Azure SQL, App Service, Azure DevOps, Experience with cloud-based solution design and development, Experience with unit testing and code reviews, Proficiency with Visual Studio or JetBrains IDEs, Experience working in Agile environments 📃 Skills: .NET, .NET8, .NETCore, ASPNETCore, C#, EntityFramework, Angular, TypeScript, SQL, Azure, ServiceBus, AzureSQL, AppService, AzureDevOps, VisualStudio, JetBrains, UnitTesting, Agile 🏢 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 seeking an experienced Fullstack Developer (.NET + Angular) to join a remote development team. This role focuses on developing a modern technology platform that supports core business processes in the insurance and financial services sector. If you are an experienced fullstack developer who thrives in a collaborative environment, takes ownership, and proactively proposes solutions, this role is for you. Project information: Type of project: IT services Office location: Poland Work mode: Remote Budget: 100-130 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 availability) Project scope: Develop backend services using .NET 8 / .NET Core / ASP.NET Core and C# 10 Implement frontend components using Angular and TypeScript Design and maintain scalable, reliable, and secure cloud-based solutions hosted on Microsoft Azure Work with Azure services including Service Bus, Azure SQL, App Service, and Azure DevOps pipelines Expand and maintain the existing code base, ensuring quality through unit tests and code reviews Collaborate with an international, distributed team following agile practices Ensure consistent implementation and alignment with modern software engineering best practices Requirements: Strong background in fullstack development with .NET and Angular Hands-on experience with .NET 8, .NET Core, ASP.NET Core, C# 10, and Entity Framework Proficiency in Angular, TypeScript, and SQL Experience with Visual Studio / JetBrains IDEs Azure experience: Service Bus, Azure SQL, App Service, Azure DevOps (pipelines and automation) Strong communication skills, proactiveness, attention to detail, and ability to lead feature implementations Agile mindset and experience working in team-based environments Nice to have experience in insurance or financial services projects We offer: Remote working model Full-time job agreement based on b2b and employment contract Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance