Frontend Developer

🏢 Summary: Frontend Developer role focused on implementing and refining UI across internal web applications, building reusable component libraries, and enhancing product presentation quality. The position requires strong HTML and CSS skills, with React and TypeScript as key technologies, and includes hybrid work with initial onboarding in Malmö. The developer will also contribute to UI/UX mockups and polished demo materials. 🗂️ Requirements: Solid knowledge of HTML, Solid knowledge of CSS, Experience with React, Experience with TypeScript, Experience building reusable component libraries (e.g. Storybook), Ability to work independently from design guidelines, Proficiency in Sketch for UI/UX design, Strong design aesthetic 📃 Skills: HTML, CSS, React, TypeScript, Storybook, Sketch, UI, UX, VideoEditing 🏢 Description: Project information: 1 week notice period onbording in Malmo 2 weeks Hybrid 3 days from our office What we're looking for We are seeking a skilled Frontend Developer with a strong foundation in HTML and CSS. Proficiency in React and TypeScript will be considered a significant advantage. The ideal candidate should have experience in building and publishing reusable component libraries, such as Storybook, and should be comfortable working from designs and guidelines with minimal supervision. Additionally, a background in design with proficiency in Sketch for UI/UX design is essential, along with a genuine passion for aesthetics. The candidate should be able to produce polished showcase materials, including demo videos, posters, and Keynote presentations. Video editing skills will be viewed favorably. Example of work tasks: Implement styling changes and UI restructuring across internal web applications, primarily focused on cosmetic updates with minimal impact on functionality. Build reusable UI components and maintain a shared component library (Storybook) used across multiple products. Enhance existing applications for a more polished and native feel during demos and presentations. Port and adapt existing web applications using established tooling, identifying integration blockers for the team. Create mockups for new macOS and web applications based on defined problem statements. Key Requirements: Solid understanding of HTML and CSS Experience with React and TypeScript Proficient in building reusable component libraries (e.g., Storybook) Ability to work independently from design guidelines Proficiency in Sketch for UI/UX design Strong design aesthetic and capability to produce polished materials Nice to Have: Video editing skills

🏢 Summary: Short-term onsite assignment in Malmö focused on UI polishing, reusable component development, and adapting existing web applications. The role involves working with HTML, CSS, React, TypeScript, and Storybook while collaborating on design-driven updates and demo-ready interfaces. Candidates should be adaptable, communicative, and experienced with modern UI development workflows and GenAI tools. 🗂️ Requirements: HTML fundamentals, CSS fundamentals, Experience with reusable component libraries, Ability to work from designs and guidelines, Experience with UI restructuring and styling updates, Experience maintaining shared component libraries, Ability to adapt existing web applications, Learning agility, Communication skills, Problem-solving skills, Experience with GenAI tools, Onsite availability in Malmö 📃 Skills: HTML, CSS, React, TypeScript, Storybook, Sketch, Keynote, macOS, GenAI, Claude 🏢 Description: What we're looking for • Developer with solid HTML and CSS fundamentals; React and TypeScript are a significant plus. Experience building and publishing reusable component libraries (e.g. Storybook). Comfortable working from designs and guidelines with minimal hand-holding • Designer with proficiency in Sketch for UI/UX design work and a strong passion for look and feel. Ability to produce polished showcase materials: demo videos, posters, and Keynote presentations. Video editing skills are a bonus. Example of work tasks • Implement styling changes and UI restructuring across internal web apps — mostly cosmetic updates with minimal functional impact • Build reusable UI components and maintain a shared component library (Storybook) used across multiple products • Make existing apps more polished and native-feeling for demos and presentations • Port and adapt existing web applications using established tooling, surfacing integration blockers for the team • Designer makes mockups for new macOS and web applications based on problem statements. As it is a short term assignment, these skills are important, as it is crucial to quick come up to speed and be open to changes in work tasks during these months: * Learning agility — Willing to pick up new technology, work with legacy code, and adapt quickly * Communication — Easy to talk to, take feedback without defensiveness. * Problem-solving clarity — Explain their thinking, ask clarifying questions * Hands-on experience using Claude Code or similar GenAI tool in day-to-day work. Start date: ASAP End date: 30th of September Location: Malmö (onsite work)

🏢 Summary: Short-term onsite assignment in Malmö for a Developer or Designer focused on UI/UX improvements across internal web and macOS applications. The role centers on implementing styling updates, building reusable component libraries, polishing applications for demos, and creating high-quality design mockups and showcase materials. Candidates must be able to quickly adapt, work with existing tooling and legacy code, and leverage GenAI tools in daily work. 🗂️ Requirements: Solid HTML fundamentals, Solid CSS fundamentals, Ability to build reusable UI components, Experience maintaining component libraries, Ability to work from designs and guidelines independently, Proficiency in Sketch (for Designer role), Ability to create UI/UX mockups for web and macOS apps, Hands-on experience with GenAI tools (e.g. Claude Code), Ability to adapt quickly and work with legacy code, Onsite availability in Malmö until 30th of September 📃 Skills: HTML, CSS, React, TypeScript, Storybook, Sketch, Keynote, GenAI, Claude, VideoEditing 🏢 Description: What we're looking for • Developer with solid HTML and CSS fundamentals; React and TypeScript are a significant plus. Experience building and publishing reusable component libraries (e.g. Storybook). Comfortable working from designs and guidelines with minimal hand-holding • Designer with proficiency in Sketch for UI/UX design work and a strong passion for look and feel. Ability to produce polished showcase materials: demo videos, posters, and Keynote presentations. Video editing skills are a bonus. Example of work tasks • Implement styling changes and UI restructuring across internal web apps — mostly cosmetic updates with minimal functional impact • Build reusable UI components and maintain a shared component library (Storybook) used across multiple products • Make existing apps more polished and native-feeling for demos and presentations • Port and adapt existing web applications using established tooling, surfacing integration blockers for the team • Designer makes mockups for new macOS and web applications based on problem statements. As it is a short term assignment, these skills are important, as it is crucial to quick come up to speed and be open to changes in work tasks during these months: * Learning agility — Willing to pick up new technology, work with legacy code, and adapt quickly * Communication — Easy to talk to, take feedback without defensiveness. * Problem-solving clarity — Explain their thinking, ask clarifying questions * Hands-on experience using Claude Code or similar GenAI tool in day-to-day work. Start date: ASAP End date: 30th of September Location: Malmö (onsite work)

🏢 Summary: Role focused on enhancing and polishing internal web applications by implementing UI updates, building reusable components, and maintaining a shared component library. The position combines frontend development (HTML, CSS, React, TypeScript) with UI/UX design work, including creating mockups and high-quality showcase materials. The goal is to improve visual consistency, usability, and demo readiness across multiple products. 🗂️ Requirements: Solid HTML fundamentals, Solid CSS fundamentals, Experience with React, Experience with TypeScript, Experience building reusable component libraries, Experience with Storybook, Ability to work from designs and guidelines independently, Proficiency in Sketch, Ability to create UI/UX mockups, Ability to produce polished demo and presentation materials 📃 Skills: HTML, CSS, React, TypeScript, Storybook, Sketch, UI, UX, Keynote, Video-editing 🏢 Description: What we're looking for • Developer with solid HTML and CSS fundamentals; React and TypeScript are a significant plus. Experience building and publishing reusable component libraries (e.g. Storybook). Comfortable working from designs and guidelines with minimal hand-holding • Designer with proficiency in Sketch for UI/UX design work and a strong passion for look and feel. Ability to produce polished showcase materials: demo videos, posters, and Keynote presentations. Video editing skills are a bonus. Example of work tasks • Implement styling changes and UI restructuring across internal web apps — mostly cosmetic updates with minimal functional impact • Build reusable UI components and maintain a shared component library (Storybook) used across multiple products • Make existing apps more polished and native-feeling for demos and presentations • Port and adapt existing web applications using established tooling, surfacing integration blockers for the team • Designer makes mockups for new macOS and web applications based on problem statements. Start: 2026-08-03

🏢 Summary: Senior Frontend Developer role focused on building, maintaining, and optimizing scalable web applications using modern frontend technologies. The position involves designing web architecture, integrating APIs, and supporting CI/CD processes to deliver high-performance user experiences. The role requires strong experience in React-based ecosystems and modern DevOps practices. 🗂️ Requirements: Minimum 5 years of experience in modern frontend technologies, Strong experience with ReactJS and NextJS, Proficiency in HTML, CSS, TypeScript, and JavaScript, Experience designing scalable web architecture, Solid knowledge of REST APIs, Experience with NodeJS and package managers, Experience with CI/CD pipelines and GitHub workflows, Proficient in Git version control, Experience creating technical documentation (e.g., Confluence), English proficiency at B2 level or higher 📃 Skills: ReactJS, NextJS, HTML, CSS, TypeScript, JavaScript, REST, NodeJS, CI/CD, GitHub, Git, Confluence, Azure, GraphQL, HeadlessCMS 🏢 Description: We are seeking a highly skilled and motivated Senior Frontend Developer to join our team. The ideal candidate will have a strong background in front-end coding, troubleshooting, and optimizing web applications. You will play a key role in developing and maintaining high-quality, scalable, and performant web solutions using modern technologies. This position requires a proactive individual with excellent problem-solving skills and a passion for delivering exceptional user experiences. Must-Have Qualifications to be successful for the role: Technical Skills: Develop and maintain web applications using ReactJS / NextJS . Implement responsive designs using HTML, CSS, Typescript, and JavaScript . Create and maintain technical documentation using tools like Confluence. Design and implement scalable web architecture and artifacts. Solid knowledge of REST APIs . Experience with NodeJS and package managers. Utilize DevOps skills, including CI/CD pipelines , GitHub workflows , and actions . Manage version control using GIT effectively. Soft Skills: Strong problem-solving and troubleshooting abilities. Excellent communication and collaboration skills to work effectively in a team environment. Attention to detail and a proactive approach to identifying and resolving issues. Ability to adapt to new technologies and learn quickly. Experience: Minimum 5 years of experience in modern Frontend technologies. English proficiency should be at least B2 level. Nice-to-Have Qualifications: Experience with Azure or other cloud platforms. Experience with GraphQL. Experience with Headless CMS (Content Management System) . Optimize web performance, focusing on Core Web Vitals. Other Details: Work model: 2 days per week in the office and 3 days at home. We offer a flexible work schedule that includes 12 additional Compensation Days besides regular holidays. Note that specific work hours may vary between winter and summer schedules, and the candidate will be required to submit their CV in English.

🏢 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: 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: Frontend Developer role focused on building and maintaining scalable, high-quality user interfaces using TypeScript and React. The position involves close collaboration with designers, backend developers, and product stakeholders to deliver performant and maintainable user-facing features. The offer includes hybrid work, professional growth opportunities, and a comprehensive social benefits package. 🗂️ Requirements: Extensive experience building large, scalable frontend applications, Strong proficiency in TypeScript, Strong proficiency in React, Solid understanding of frontend architecture, Knowledge of design patterns, Ability to design complex user interfaces, Experience ensuring code scalability and performance optimization 📃 Skills: TypeScript, React, JavaScript, HTML, CSS 🏢 Description: We are looking for a frontend developer who is passionate about designing and building high-quality, intuitive user interfaces. In this role, you will collaborate closely with engineers, designers, and product stakeholders to deliver user-facing features across a range of products and internal tools. We value developers who actively contribute to shaping solutions - thinking through usability, performance, and long-term maintainability. You should feel comfortable discussing ideas, proposing improvements, and helping refine both technical and product decisions. In our company, frontend developers are expected to combine attention to detail, strong collaboration skills, and a proactive mindset. We value people who take ownership of their work, communicate clearly, and continuously look for ways to improve the user experience and the systems behind it. Key Responsibilities: Develop and maintain high-quality frontend applications using TypeScript and React . Design complex user interfaces. Ensure the application’s code is scalable, consistent, maintainable and optimised for performance. Collaborate closely with UX/UI designers Collaborate closely with backend developers and BA/product managers Take ownership of features and technical decisions, diving into details to ensure high-quality results. Requirements: A proactive problem solver and analytical thinker . Keen attention to detail and willingness to dive deep into technical challenges. Extensive experience in building large, consistent, maintainable and scalable frontend applications. Solid understanding of frontend architecture and design patterns. Strong proficiency in TypeScript and React . Additional information: Working for one of the top gambling companies in the world Opportunity to influence the quality of the products, improve process and implement your ideas Social package, including sport compensation & medical insurance Professional growth Free parking space (hybrid type of work- 3 days from the office, 2 days from home) Sport activities, parties, and team buildings

🏢 Summary: The offer is for an experienced Frontend Developer to build and optimize modern web applications using React.js and TypeScript in an Agile, international environment. The role focuses on developing new features, improving performance, resolving production issues, and delivering stable, scalable solutions. You will collaborate with cross-functional teams and contribute to continuous technical improvements. 🗂️ Requirements: Strong commercial experience in frontend development, Expert knowledge of React.js, Expert knowledge of TypeScript, Solid understanding of JavaScript fundamentals, Experience with E2E testing frameworks, Experience with CI/CD pipelines, Experience with version control systems, Proven debugging and performance optimization skills, Ability to work in distributed environment, Fluent English B2+/C1 📃 Skills: React, TypeScript, JavaScript, Cypress, Playwright, CI/CD, Git, HTML, CSS, Agile 🏢 Description: We are looking for an experienced Frontend Developer to join our international team. In this role, you will develop and optimize modern web applications, contribute to technical improvements, and help deliver stable, high-performance solutions in a collaborative Agile environment. Your responsibilities: Develop and maintain modern web applications using React.js and TypeScript Build new features and improve existing functionalities for the platform Optimize application performance and troubleshoot technical issues Debug and resolve production incidents to ensure platform stability Participate in technical discussions, code reviews, and continuous improvement initiatives Collaborate closely with cross-functional teams, including Product, Design, QA, and mobile development teams Work with our JavaScript/TypeScript-based UI framework designed for TV-box environments Ensure delivery of stable, scalable, and high-quality code following best engineering practices We are looking for you, if you have: Strong commercial experience in frontend development Expert-level knowledge of React.js Expert-level knowledge of TypeScript Solid understanding of JavaScript fundamentals Experience with E2E testing frameworks such as Cypress, Playwright, or similar Experience working with CI/CD pipelines and version control systems Proven experience in debugging, troubleshooting, and performance optimization Ability to work independently in a distributed environment Fluent English (minimum B2+/C1 level) Nice to have: Experience developing applications for Smart TV platforms Experience working on streaming, video, media, or entertainment-related products We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: Senior Frontend Developer role focused on building and enhancing high-performance web applications using React and TypeScript, with strong emphasis on UI/UX quality. The position involves leading UI improvements, contributing to front-end architecture, and implementing scalable, maintainable solutions in a hybrid work model. You will drive user experience innovation while ensuring application stability and performance. 🗂️ Requirements: Minimum 5 years of experience with React in production environments, Strong proficiency in React and TypeScript, Experience in UI/UX design and prototyping, Ability to design scalable front-end architecture, Knowledge of SDLC processes, Experience with CI/CD practices, Fluent English, Legal right to work in the European Union 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, UI, UX, SDLC, CI, CD, DevOps, REST, APIs, Wireframing, Prototyping 🏢 Description: Ignite innovative front-end solutions — shape the future of user experiences with cutting-edge React and TypeScript expertise. Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior React & TypeScript Frontend Developer – UI/UX Focus , you will be working for our client, a forward-thinking tech company dedicated to delivering exceptional digital experiences. You will lead UI enhancements, participate in architecture design, and implement best-in-class solutions to elevate application usability and stability, playing a pivotal role in redefining user interactions and visual appeal. Your main responsibilities: Lead UI changes and improvements to enhance overall UX and application performance Participate in front-end architecture design to ensure scalable and maintainable solutions Implement solutions following best Design Patterns for robust application development Analyze requirements thoroughly to suggest improvements and optimizations Manage changes throughout the service management lifecycle effectively Develop and validate application prototypes to test concepts and designs Provide exceptional customer support by promptly addressing and resolving issues Communicate clearly with clients to understand needs and deliver tailored solutions You're ideal for this role if you have: A minimum of 5 years of experience in production applications development within the React ecosystem, including UI/UX design Strong proficiency in React and TypeScript for building dynamic, interactive, high-performance web applications Experience translating product requirements into wireframes and high-fidelity prototypes Familiarity with the Software Development Life Cycle (SDLC) — requirements gathering, design, development, testing, deployment, and maintenance Excellent problem-solving skills and meticulous attention to detail Experience with DevOps practices like continuous integration and continuous delivery It is a strong plus if you have: (optional) Certifications in React, TypeScript, or UI/UX design Experience with modern frontend testing frameworks Knowledge of back-end integration and RESTful APIs Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER