Frontend Developer (React)

🏢 Summary: B2B contract role for a Front-end React Developer to build and enhance a business-critical application in a fully remote agile team. The position focuses on delivering modern, user-centric UI solutions using React and JavaScript, with strong involvement in DevOps and CI/CD processes. The developer will collaborate with stakeholders and technical teams to operationalize UI components for generative AI services. 🗂️ Requirements: 4+ years React experience, 4+ years JavaScript experience, Professional frontend development background, CI/CD knowledge, Linux proficiency, Jira experience, GitLab experience, OpenShift experience, Unit testing experience, System testing experience, DevOps competence, English proficiency 📃 Skills: React, JavaScript, CI/CD, Linux, Jira, GitLab, OpenShift, DevOps, Testing, Agile, AI 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% remote Contract Type: B2B (160-180 PLN/h + VAT) As a Front‑end React Developer , you will join an agile development team delivering high‑quality enhancements to a strategic, business‑critical application. In this role, you will act as a reliable technical partner for business stakeholders, contributing to efficient and timely software delivery. You will focus on building modern, user‑centric UI solutions using React and JavaScript, while ensuring high standards of quality and usability. Responsibilities Develop high‑quality front‑end solutions using React and JavaScript within an agile project team, including unit and system testing. Collaborate directly with business stakeholders to clarify user stories, requirements, and support business testing activities. Contribute to CI/CD pipelines and deployment processes using DevOps practices and tools such as Jira, GitLab, and OpenShift. Work closely with senior engineers, DevOps/MLOps, and data scientists to operationalize the UI layer of generative AI services. Expectations min. 4 years of hands‑on experience with React and JavaScript in professional front‑end development projects. Solid DevOps competence, including CI/CD workflows, Linux environments, and hands‑on experience with Jira, GitLab, and OpenShift. Proven ability to perform unit and system testing and deliver high‑quality code with minimal supervision. Excellent English communication skills What We Offer: Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance

🏢 Summary: Offer for a Mid+ Front-End Developer to build and enhance a global digital platform serving as a central hub for merchants, working 100% on-site in Warsaw under a B2B contract. The role focuses on developing scalable front-end solutions in an Agile Scrum environment, integrating with backend services, and ensuring high application quality through testing and code reviews. The position includes collaboration with cross-functional teams and contributing to continuous improvement of development standards. 🗂️ Requirements: 4-5+ years experience as Front-End Developer, Strong expertise in JavaScript, Strong expertise in TypeScript, Strong expertise in Angular, Strong knowledge of HTML5, Strong knowledge of SCSS, Experience with Git, Experience with GitLab, Experience integrating front-end with APIs, Experience writing unit tests, Experience writing end-to-end tests, Ability to debug complex issues 📃 Skills: JavaScript, TypeScript, Angular, HTML5, SCSS, Git, GitLab, APIs, UnitTesting, E2ETesting, Agile, Scrum 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% on site, office in Warsaw Contract Type: 140-170 pln/h B2B We are looking for a Mid+ Front-End Developer to join an international team building a modern digital platform used by customers worldwide to manage and monitor their business through a single point of access. The platform serves as a central hub for delivering products and tools for merchants. You will be working in a collaborative Agile Scrum environment, contributing to high-quality, scalable solutions while continuously improving both the product and development standards. Responsibilities: Develop and enhance front-end features based on business and product requirements Collaborate closely with cross-functional team members including Backend Developers, QA, and Business Analysts Integrate UI components with APIs and ensure seamless communication with backend services Write and maintain unit and end-to-end tests to ensure application stability and quality Participate in code reviews and contribute to continuous improvement of development practices Expectations: At least 4-5 years of experience in a Front-End Developer or similar position Strong expertise in JavaScript/TypeScript, Angular, HTML5, and SCSS Good understanding of version control systems and code review tools such as Git and GitLab Strong analytical and problem-solving skills with the ability to debug complex issues What We Offer: Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance

🏢 Summary: Frontend Developer role focused on building and maintaining front-end applications that consume REST APIs in a hybrid work model. The position involves coding in line with application requirements, debugging, and enhancing existing solutions while collaborating within a development team. The role requires strong technical expertise in Angular and related technologies, along with effective communication in an international environment. 🗂️ Requirements: Experience with Angular Framework, Strong knowledge of TypeScript, Strong knowledge of JavaScript, Ability to consume and render data via REST APIs, Expertise in Hadoop, Expertise in MapReduce, Ability to reuse existing code in new applications, Fluent English 📃 Skills: Angular, TypeScript, JavaScript, REST, Hadoop, MapReduce, APIs 🏢 Description: General info: Model of work: hybrid (2-3 times per week work from office in Łódź) Type of contract: B2B contract Rate: 80 - 100 PLN net + vat/h Overview We are seeking a skilled Frontend Developer to design, create, and maintain front-end applications that effectively consume REST APIs. The ideal candidate must demonstrate strong communication skills and the ability to explain complex technical topics to non-technical audiences. This role involves ensuring that application code meets all requirements, along with debugging and enhancing application procedures. Main Responsibilities: Designing, creating, and maintaining front-end applications to consume REST APIs. Writing code in accordance with application requirements. Collaborating as part of a software development team to meet standards. Explaining complex technical concepts in clear language. Debugging applications to ensure functionality. Making suggestions for application enhancements and infrastructure improvements. Contributing to a positive work environment through effective teamwork. Key Requirements: Excellent communication skills to build trust with team members and stakeholders. Experience with Angular Framework. Strong knowledge of TypeScript and JavaScript. Ability to consume and render data via APIs. Capability to reuse existing code in new applications. Expertise in Hadoop and MapReduce. Fluent English is a must (daily communication in international environment) Nice to Have: Experience in similar financial institutions or environments. Knowledge of additional programming languages or frameworks. Understanding of DevOps practices.

🏢 Summary: Frontend Developer role focused on modernizing and maintaining the UI of a complex structured notes pricing application using ReactJS. The position involves refactoring legacy components, implementing new features in collaboration with backend teams, and improving frontend architecture and CI/CD processes. The work supports a gradual uplift of the existing system while ensuring compatibility with legacy solutions. 🗂️ Requirements: Minimum 5 years of commercial frontend development experience, Strong knowledge of ReactJS including Hooks and ContextAPI, Strong JavaScript proficiency, Practical experience with TypeScript, Experience with modern CSS techniques and preprocessors, Experience with CSS-in-JS or SCSS, Familiarity with webpack and npm, Experience with GitLab or Jenkins, Understanding of testing methodologies, Knowledge of software design principles, Experience with CI/CD workflows 📃 Skills: ReactJS, JavaScript, TypeScript, SCSS, CSS-in-JS, webpack, npm, GitLab, Jenkins, CI/CD, HTML, CSS, Hooks, ContextAPI, Testing, Git 🏢 Description: Join the dynamic international team of professionals split between London and Warsaw. We are looking for an experienced Frontend Developer to help modernize the user interface of a complex pricing application used for structured notes. The role involves working closely with both frontend and backend developers as we uplift the existing UI while maintaining compatibility with the legacy application. Your tasks Develop and maintain user interface components using ReactJS and JavaScript Collaborate with backend developers and strategists to implement features Refactor legacy UI components to align with the new architecture Utilize CSS-in-JS or SCSS for styling and implement responsive designs Participate in code reviews and apply solid design patterns Contribute to improving CI/CD workflows and frontend build processes Requirements Minimum of 5 years of commercial frontend development experience Strong knowledge of ReactJS (including Hooks and Context API) and JavaScript Practical experience with TypeScript, with proficiency in modern CSS techniques and tools Familiarity with modern frontend tooling: webpack, npm, GitLab/Jenkins Understanding of testing methodologies and software design principles Fluency in English (spoken and written) Open to hybrid work (3 days per week in the office) What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Senior Frontend Developer role focused on delivering insurance projects within agile teams, translating business requirements into technical designs and implementing high-quality frontend solutions. The position involves hands-on development, integration with REST services, and technical leadership. It requires strong expertise in modern frontend technologies and collaboration in international environments. 🗂️ Requirements: Bachelor's degree in Engineering, IT, Science or other technical field, 5+ years of experience in a similar frontend development role, Strong experience with React and modern frontend technologies, Proficiency in JavaScript ES6 and TypeScript, Good understanding of REST architecture, Experience with unit testing in frontend and backend, Knowledge of SQL and at least one database engine, Excellent knowledge of Git, Experience working in agile/scrum environment, Strong English communication skills 📃 Skills: React, JavaScript, TypeScript, SCSS, HTML5, CSS3, Bootstrap, Material, REST, SQL, Git, Vue, Microservices, Spring, Java, AWS, Azure 🏢 Description: Your key responsibilities Provide service as a Senior Frontend Developer to contribute in various streams of implementation in Insurance projects Collaborate with agile team members to achieve project and client goals Analyzing requirements and translating business requirements into designs Coding, testing, debugging and documenting software applications Provide leadership and guidance to other technical professionals Skills and attributes for success Professional experience working on similar position Practical knowledge frontend technologies React Good understanding of SCSS, JavaScript ES6, Typescript, Bootstrap/Materials, HTML5, CSS3 Hands on experience with REST services Familiar with writing unit tests in frontend and backend technologies Good knowledge of SQL and one of database engines Excellent knowledge of Git Good English language verbal and written communication, German or other European language will be an advantage Experience in international projects To qualify for the role, you must have Bachelor's degree in Engineering, IT, Science, other Technical qualification 5+ years in a corporate IT environment in a similar positions Demonstrable experience with frontend technologies Good understanding of REST architecture Strong communication skills Ideally, you’ll also have Hands on experience working in microservices architecture Knowledge of Vue.js is an advantage Certificates proving certain skills: Java, Spring, SQL, AWS or Azure Cloud, React Experience in agile / scrum methodology

🏢 Summary: Full Stack Developer role focused on building scalable, cloud-native applications using React and C# .NET Core in a capital markets environment. The position involves developing microservices, REST APIs, data pipelines, and analytical solutions supporting credit and market risk domains. 100% remote B2B contract with flexible start date. 🗂️ Requirements: 4-5+ years of full stack development experience, Strong expertise in React, Strong expertise in C#, Experience with .NET Core, Experience with microservices architecture, Experience with event-driven architecture, Experience with distributed systems, Experience building REST APIs, Hands-on experience with Python, Experience with PySpark, Experience with Power BI, Experience with data modeling, Experience in credit risk and market risk domains 📃 Skills: React, C#, .NETCore, Microservices, REST, TypeScript, Python, PySpark, PowerBI, DataModeling, DistributedSystems, EventDriven, Cloud 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% remote Contract Type: B2B (140-160 PLN/h + VAT) We are looking for a highly skilled Full Stack Developer with deep expertise in React for frontend development and C# .NET Core for backend services. This role requires hands‑on experience building scalable, cloud‑native systems, along with strong exposure to capital markets, especially within credit risk and market risk domains. Expectations Minimum 4-5 years of professional software development experience across frontend and backend technologies. Strong expertise in React, C# .NET Core , microservices, event‑driven architecture, and distributed systems. Hands‑on experience with Python (pyspark), Power BI dashboards, data modeling, and analytical reporting. Responsibilities Develop and maintain full stack applications using React, C# .NET Core, and modern cloud‑native technologies. Build scalable backend services, REST APIs, and microservices with a focus on performance and resilience. Implement modular, accessible, and high‑quality frontend components using React and TypeScript. Collaborate with business and risk experts to deliver solutions in credit risk, market risk, and capital markets workflows. Work with Python (pyspark) to build data pipelines, transformations, and analytics processes. What We Offer Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance

🏢 Summary: Senior Front-end Developer role focused on designing and implementing complex user interfaces and single-page applications using modern frontend technologies. The position involves architecting scalable frontend solutions, optimizing performance, and integrating APIs in collaboration with backend and product teams. Hybrid work model with B2B contract in the banking sector. 🗂️ Requirements: Proficiency in HTML, Proficiency in CSS, Proficiency in JavaScript, Proficiency in TypeScript, Experience with Web Components, Experience with Lit, Strong knowledge of Node.js, Experience with npm, Familiarity with Vitest, Experience building single-page applications, Experience integrating REST APIs, Ability to optimize frontend performance 📃 Skills: HTML, CSS, JavaScript, TypeScript, WebComponents, Lit, Nodejs, npm, Vitest 🏢 Description: Industry: Banking Work model: Hybrid in Warsaw, Łódź or Tricity - 3 days a week in the office Rate: up to 150 PLN/h (B2B contract) Introduction & Summary We are seeking a highly skilled Senior Front-end Developer proficient in modern frontend technologies to design and implement complex user interfaces. The ideal candidate should possess extensive experience with HTML, CSS, JavaScript, and TypeScript , alongside capabilities in Web Components. Exceptional collaboration skills are essential as the role involves working closely with various teams to enhance product offerings. Main Responsibilities Architect and implement interactive user interfaces and single-page applications. Establish best practices for application architecture and component reusability. Audit and enhance frontend performance and load times. Collaborate with backend engineers and product teams to integrate APIs. Ensure optimal user experiences across multiple devices. Key Requirements Proficiency in HTML, CSS, JavaScript, TypeScript . Experience with Web Components / Lit . Strong background in Node.js / npm . Familiarity with Vitest . Nice to Have Knowledge of CICD . Experience with Kafka . Familiarity with NinjaFork . Understanding of MQ .

🏢 Summary: Frontend Developer role focused on building scalable, high-performance, and user-centric web applications for global travel platforms. The position involves developing new features, maintaining existing applications, and collaborating closely with designers and backend teams to deliver intuitive user experiences. You will contribute to frontend architecture, code quality, and continuous improvement in an Agile environment. 🗂️ Requirements: Minimum 3 years commercial experience as Frontend Developer, Strong knowledge of JavaScript, Professional experience with React, Professional experience with TypeScript, Experience with Vue.js, Experience with CMS platforms (non-WordPress), Experience with testing frameworks (unit, integration, end-to-end), Understanding of CI/CD processes, Ability to write clean, testable, maintainable code, Very good command of English 📃 Skills: JavaScript, TypeScript, React, Vue, CMS, ReactHookForm, Webpack, Babel, Vite, Rspack, CI/CD, Next.js, Node.js, AWS 🏢 Description: We are looking for a Frontend Developer to join our team and help build modern, scalable, and user-centric digital products that support our global travel platforms. In this role, you will work closely with designers, backend developers, Product Owners, and business stakeholders to deliver intuitive and high-performing user experiences used by customers around the world. You will have a direct impact on the quality, usability, and evolution of our products. Your responsibilities Develop new user-facing features and maintain existing applications Write clean, maintainable, and efficient code following best practices Ensure high performance, scalability, and responsiveness across web applications Validate and process user input before sending data to backend services Collaborate with designers, developers, and business stakeholders to translate requirements into technical solutions Bridge the gap between design and technical implementation Ensure consistency, usability, accessibility, and responsiveness across digital products Contribute to the continuous improvement of frontend architecture, standards, and development practices Participate in code reviews and knowledge-sharing initiatives Troubleshoot, debug, and resolve application issues Our requirements Minimum 3 years of commercial experience as a Frontend Developer Strong knowledge of JavaScript and modern frontend development practices Professional experience with React and TypeScript Experience working with Vue.js Experience with CMS platforms (other than WordPress) Familiarity with tools such as React Hook Form, Webpack, Babel, Vite, or Rspack Experience with testing frameworks and different testing approaches (unit, integration, end-to-end) Understanding of CI/CD processes and development workflows Ability to write clean, testable, and maintainable code Strong problem-solving skills and attention to detail Good communication skills and very good command of English Nice to have Experience with Next.js Knowledge of Node.js 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 used by customers worldwide Attractive remuneration paid in EUR Flexible working hours Individual learning and 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 collaboration, knowledge sharing, and continuous improvement Space to innovate and bring your own ideas to life Support for IT community initiatives and professional networking Long-term cooperation in a stable, growing international organization

🏢 Summary: Remote Frontend Engineer (Angular) role focused on developing and maintaining modern, scalable web applications within a microservices and microfrontend architecture. The position involves close collaboration with backend teams, implementing secure integrations, and ensuring high-quality code in a cloud-based environment. Long-term B2B project for EU citizens residing in Poland. 🗂️ Requirements: EU citizenship and residence in Poland, 6+ years of Frontend development experience, 3+ years of commercial experience with Angular, Strong knowledge of TypeScript and JavaScript, Strong knowledge of HTML and CSS/SCSS, Experience with REST APIs, Experience with microservices or microfrontend architecture, Experience with Git, Experience with testing frameworks (Jasmine/Karma), Experience with Node.js, npm, and Webpack, Knowledge of Docker and Kubernetes, Knowledge of OAuth2 and JWT, Experience working in Agile/Scrum, English level B2/C1 📃 Skills: Angular, TypeScript, JavaScript, HTML, CSS, SCSS, REST, Microservices, Microfrontends, Git, Jasmine, Karma, Node.js, npm, Webpack, Docker, Kubernetes, OAuth2, JWT, CI/CD, AWS, Azure, Selenium, SonarQube 🏢 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 Frontend Engineer (Angular) to join a remote, development team. The role focuses on building modern, scalable web applications using Angular and collaborating within a microservices-based environment. Project information: Type of project: IT services Office location: Wroclaw , Poland Work mode: Remote Budget: 100-120 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: Develop and maintain modern web applications using Angular Collaborate with backend teams to integrate RESTful APIs Design and implement scalable solutions in a microservices and microfrontend architecture Ensure high-quality code through testing, code reviews, and best practices* Participate in UI/UX improvements and ensure responsive, cross-browser compatibility Work with tools such as Git, Jira, and CI/CD pipelines Implement authentication and security mechanisms (OAuth2, JWT, etc.) Collaborate in Agile/Scrum teams and contribute to continuous improvement Support deployment and integration processes in cloud and containerized environments Competence demands: At least 6+ years of experience in Frontend development, including 3+ years with Angular Strong knowledge of TypeScript, JavaScript, HTML, and (S)CSS Experience with REST APIs and modern frontend architectures (microservices/microfrontends) Familiarity with Git, testing frameworks (Jasmine/Karma), and build tools (Node.js, npm, Webpack) Understanding of UI/UX, responsive design, and cross-browser compatibility Basic knowledge of Docker, Kubernetes, and authentication methods (OAuth2, JWT) Experience working in Agile/Scrum environments Very good English communication skills (B2/C1) Nice to have : Experience with NgRx/Akita, CI/CD, cloud platforms (AWS/Azure), and testing tools (Selenium, SonarQube) Insurance domain knowledge 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: Full Stack Development Lead role focused on delivering end-to-end solutions using React and C# .NET Core in a cloud-driven, microservices-based environment. The position combines hands-on development with architectural input and technical leadership in a fully remote B2B setup. The role involves close collaboration with cross-functional teams and contribution to modern DevOps and data workflows. 🗂️ Requirements: Proven full-stack experience with React, TypeScript, C# .NET Core, Strong knowledge of microservices architecture, Understanding of distributed systems, Experience with CI/CD pipelines, Experience with cloud platforms (Azure preferred), Experience with containers, Familiarity with DevOps practices, Ability to design APIs and event-driven components 📃 Skills: React, TypeScript, C#, .NET, Microservices, CI/CD, Azure, Docker, DevOps, PySpark, PowerBI, APIs 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% remote Contract Type: B2B (160-180 PLN/h + VAT) We are looking for an experienced Full Stack Development Lead who will take ownership of end‑to‑end solutions across React and C# .NET Core while contributing to technical direction and supporting a collaborative engineering culture. This role is ideal for a strong Senior Full Stack Developer who is ready to expand into leadership responsibilities, work closely with cross‑functional teams, and influence architectural decisions in a modern, cloud‑driven environment. Expectations Proven experience in full‑stack development using React, TypeScript, and C# .NET Core. Good understanding of microservices , distributed systems, and CI/CD pipelines. Exposure to cloud platforms (Azure preferred), containers, and modern DevOps practices. Experience with data workflows (pyspark) or BI solutions (Power BI) is a strong advantage. Ability to collaborate with technical and business stakeholders and take initiative in solution design. Responsibilities Contribute to the design and delivery of full‑stack applications using React and C# .NET Core. Support architectural discussions around microservices, APIs, and event‑driven components. Collaborate with data engineers on pyspark workflows and Power BI reporting enhancements. Promote engineering best practices, code quality, and maintainable development patterns. Mentor team members and support planning, collaboration, and continuous improvement efforts. What We Offer Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance