Senior Frontend Developer

🏢 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: The offer is for a remote Frontend Developer role focused on building and maintaining web application features based on business specifications. The position involves working primarily with Angular and CMS Magnolia, ensuring high code quality, test coverage, and architectural best practices. The role also includes API integrations, documentation, and collaboration with third-party partners. 🗂️ Requirements: Minimum 6 years of commercial IT experience, At least 4 years of professional experience with Angular, Professional experience with CMS Magnolia, Very good knowledge of JavaScript ES5/ES6, Solid knowledge of HTML, CSS, SASS, Proficiency with RxJs, Experience with Karma or Jasmine testing frameworks, Experience implementing RESTful clients, Experience with API testing tools, Fluent English communication skills 📃 Skills: Angular, Magnolia, JavaScript, ES5, ES6, HTML, CSS, SASS, RxJs, Karma, Jasmine, REST, API, Vue, React, Svelte 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Frontend Developer Location: Poland (100% remote) Responsibilities: Day-to-day implementation of functionalities and features provided in business specification Code-testing and maintaining high test coverage of the application code Preserving and consolidating the code base in the application code repository Maintaining consistent frontend project documentation Suggesting measurable, customer-focused improvements to our products Improving the workflow with the best architectural design decisions Holding-up a communication line between third-party partners Constant knowledge improvement Requirements: Minimum 6 years of experience in IT commercial environment Professional knowledge of Angular framework (at least 4 years of professional experience) Professional experience with CMS Magnolia Very good knowledge of JavaScript (ES5/ES6) Solid knowledge of HTML, CSS, SASS Proficiency with Javascript libraries eg. RxJs Knowledge of testing frameworks eg. Karma / Jasmine Experience with implementing RESTful clients as well as working with API testing tools and software Excellent English communication skills - both written and spoken Nice to have: Knowledge of other JavaScript frameworks (Vue / React / Svelte) Strong analytical skills Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Frontend Developer role focused on building and maintaining modern, scalable frontend applications supporting non-financial risk management processes. The position involves implementing robust architectures using leading frameworks, integrating REST APIs, and ensuring high code quality through testing and best practices. Work is delivered in an Agile environment with strong emphasis on reusable components and design systems. 🗂️ Requirements: Strong experience with TypeScript, HTML, CSS, Experience with Vue.js or React or Angular, Experience with design systems and reusable components, Knowledge of state management, Experience with web components, Experience with REST API integration, Experience with unit testing and E2E testing, Proficiency with Git, Experience working in Agile environment 📃 Skills: TypeScript, HTML, CSS, Vue, React, Angular, REST, Git, Agile, JavaScript, Testing, E2E, Docker, CI/CD 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Frontend Developer Responsibilities: Develop and maintain high-quality frontend solutions Build user-friendly and intuitive interfaces supporting non-financial risk management processes Implement modern frontend architectures using frameworks such as Vue.js, React, or Angular Work with TypeScript, HTML, and CSS to deliver scalable and maintainable code Integrate frontend applications with REST APIs Apply and follow design systems and ensure consistency across the application Manage application state and implement web components where needed Write and maintain unit and end-to-end (E2E) tests to ensure application quality Collaborate within an Agile team, contributing to continuous improvement and delivery Use Git for version control and support code reviews and best practices Requirements: Strong experience with TypeScript (latest), HTML, and CSS Experience with modern frontend frameworks ( Vue.js, React, or Angular ) Experience working with design systems and building reusable components Knowledge of state management and web components Experience with REST API integration Experience in unit and E2E testing Proficiency with Git Ability to work effectively in an Agile , fast-paced environment Very good command of English, both spoken and written Nice to have: Experience with Docker Familiarity with CI/CD practices Knowledge of UI/UX best practices Familiarity with tools such as GitHub Copilot Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Frontend Engineer role focused on designing and implementing microfrontend-based solutions and transforming monolithic applications into microservices architecture. The position emphasizes performance, scalability, security by design, and close collaboration with cross-functional teams. The role also includes code reviews, technical documentation, and UI/UX support. 🗂️ Requirements: Higher education in Computer Science, Computer Engineering, Telecommunications, IT or related field, Minimum 5 years of experience in frontend development, Advanced knowledge of JavaScript, Advanced knowledge of TypeScript, Very good knowledge of Angular, Practical experience with SPA architecture, Practical experience with microfrontends, Experience with .NET, Experience with C#, Strong knowledge of HTML5, Knowledge of Web Components, Knowledge of browser APIs, Knowledge of web application performance optimization, Knowledge of web application scalability, Knowledge of web application security principles 📃 Skills: JavaScript, TypeScript, Angular, SPA, Microfrontends, .NET, C#, HTML5, WebComponents, BrowserAPIs, Microservices, Performance, Security 🏢 Description: Jako firma rekrutacyjna, DCG rozumie, że każda organizacja opiera się na doświadczonych specjalistach. Nasz styl zarządzania oraz partnerskie podejście pozwalają nam skutecznie odpowiadać na potrzeby klientów i zapewniać ciągłe wsparcie. W związku z dynamicznym rozwojem oraz dużą liczbą projektów rekrutacyjnych realizowanych dla naszych partnerów, obecnie poszukujemy osoby na stanowisko: Senior Frontend Engineer Zakres obowiązków: Projektowanie i wdrażanie rozwiązań opartych na architekturze mikrofrontendów Udział w transformacji aplikacji monolitycznych do architektury opartej na mikroserwisach i mikrofrontendach Analiza, optymalizacja oraz poprawa wydajności, skalowalności i utrzymywalności aplikacji Stosowanie najlepszych praktyk bezpieczeństwa już na etapie projektowania (Security by Design) Współpraca z analitykami biznesowymi przy definiowaniu i walidacji wymagań funkcjonalnych Ścisła współpraca z zespołami backendowymi i frontendowymi w celu zapewnienia spójnych i zintegrowanych rozwiązań Tworzenie wysokiej jakości dokumentacji technicznej Przeprowadzanie code review oraz udział w ciągłym doskonaleniu standardów programistycznych Wsparcie w analizie i projektowaniu interfejsów użytkownika (UI/UX) Wymagania: Wykształcenie wyższe w zakresie Informatyki, Inżynierii Komputerowej, Telekomunikacji, Technologii Informacyjnych, Zarządzania lub pokrewnych kierunków Minimum 5 lat udokumentowanego doświadczenia zawodowego w obszarze frontend developmentu Zaawansowana znajomość JavaScript oraz TypeScript Bardzo dobra znajomość nowoczesnych frameworków, takich jak Angular Praktyczne doświadczenie z architekturą SPA oraz mikrofrontendami Doświadczenie w .NET oraz C# Dogłębna znajomość HTML5, Web Components oraz standardowych API przeglądarek Wiedza z zakresu optymalizacji wydajności, skalowalności i bezpieczeństwa aplikacji webowych Mile widziane: Znajomość środowisk chmurowych oraz platform kontenerowych (doświadczenie z OpenShift będzie dodatkowym atutem) Oferujemy: Dofinansowanie karty sportowej Szkolenia i możliwości rozwoju Stałe wsparcie dedykowanego konsultanta Program poleceń pracowniczych

🏢 Summary: Senior React Developer role focused on building and optimizing modern, scalable web applications using cutting-edge front-end technologies in a hybrid work model. The position involves collaborating with cross-functional teams, implementing micro front-end architectures, and ensuring high-quality code through modern testing practices. It offers the opportunity to drive innovation and continuously enhance technical expertise. 🗂️ Requirements: 5+ years of experience in front-end web development, Strong expertise in React, Strong expertise in TypeScript, Experience with testing frameworks (Jest, Cypress, or Playwright), Experience building responsive, scalable web applications, Familiarity with micro front-end architecture, Knowledge of reactive programming (RxJS), Experience with modern build tools, Experience working in Agile SDLC environments, Legal right to work in the European Union 📃 Skills: React, Angular, TypeScript, JavaScript, Jest, Cypress, Playwright, RxJS, Webpack, Vite, Vitest, SSR, CSS-in-JS, HTML, CSS 🏢 Description: Unleash the Future of Web Applications — Drive Innovation with Cutting-Edge Front-End Technologies! Warsaw-based opportunity with hybrid work model As a Senior Front-End Developer , you will be working for our client, a leader in web application innovation within the technology industry. You’ll contribute to building and executing challenging projects across a variety of initiatives, collaborating closely with stakeholders, UX designers, and development teams to transform requirements into high-impact deliverables. This role offers a unique chance to learn new technologies and continually elevate your skills while shaping the future of digital experiences. Your main responsibilities: Develop and maintain modern, dynamic web applications using React, Angular, and TypeScript. Collaborate with cross-functional teams to translate user requirements into clean, scalable code. Implement best practices in testing using Jest, Cypress, or Playwright to ensure quality and performance. Integrate micro front-end architectures and reactive programming techniques such as RxJS. Optimize applications for maximum speed, scalability, and responsiveness. Contribute to code reviews, documentation, and continuous improvement processes. Leverage modern build tools like Webpack and Vite to streamline development workflows. Stay updated on industry trends and introduce innovative solutions to technical challenges. You're ideal for this role if you have: 5+ years of hands-on experience in front-end web development. Strong expertise in React, Angular, TypeScript, and testing frameworks like Jest, Cypress, or Playwright. Proven ability to deliver rich, responsive web applications with clean code. Familiarity with micro front-end architectures and reactive programming, particularly RxJS. Experience working in agile SDLC environments, including research, design, and engineering phases. Excellent communication skills and ability to manage multiple projects simultaneously. Self-motivated, innovative mindset with strong organizational skills. It is a strong plus if you have: (optional) Bachelor's degree in Computer Science or related field. Experience with SSR, CSS-in-JS, Vite, Vitest, and Webpack. Knowledge of micro front-end development and advanced build pipelines. Language Required for the role: Fluent Polish and 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 Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Frontend Engineer role focused on building and evolving a browser-based 3D design platform for modeling real-world physical systems. The position involves owning frontend features end-to-end, contributing to frontend architecture, collaborating across teams, and occasionally working with backend systems in a hybrid Warsaw-based setup. 🗂️ Requirements: 5+ years building production user interfaces in JavaScript and TypeScript, React experience, Knowledge of component-based frontend architecture, Experience integrating frontends with backend services and APIs, Ability to own features end-to-end, Willingness to work with backend code, Knowledge of system design, testing, refactoring, and technical writing, CS degree or equivalent production software experience, Fluent written and spoken English 📃 Skills: TypeScript, JavaScript, React, GraphQL, three.js, PostgreSQL, Ruby, Rails, Python, Playwright, Git, CAD 🏢 Description: 💰 Salary: 24,000 - 28,000 PLN/month 💻 Hybrid, Warsaw (2 Days/Week) 🕦 Full-time ☑️ Employment contract (UOP) via Employer of Record We're looking for a Senior Frontend Engineer for a software company whose platform lets professionals design real-world physical systems in an interactive, browser-based 3D environment. You'd join the team that owns the core of the product: the design surface where users model actual sites in a 3D canvas, backed by CAD tooling and a data model that keeps designs accurate to the physical world. Working stack: TypeScript, JavaScript, React, GraphQL, three.js, PostgreSQL, Ruby on Rails, and Python. A senior individual contributor role reporting into engineering leadership. You'll own features end-to-end, from technical design through to production support, and help steer the frontend architecture the team relies on. Requirements: 5+ years building production user interfaces in JavaScript and TypeScript React experience and a firm grasp of component-based frontend architecture Experience wiring frontends to backend services and APIs Comfort owning features end-to-end, from scoping through to production Willingness to step beyond the frontend when a feature calls for it, including reading and touching backend code (Ruby on Rails familiarity is a plus) Engineering fundamentals: system design, testing, refactoring, and clear technical writing A CS degree or an equivalent hands-on track record shipping production software Fluent in written and spoken English Nice to Have: GraphQL in production three.js or another 3D graphics library Ruby on Rails or Python Playwright or a comparable end-to-end testing framework Git in a collaborative, multi-engineer codebase Any exposure to CAD software Experience with distributed teams in a hybrid setup Key Responsibilities: Build and ship frontend experiences that make designing faster and more accurate Partner with Product, Design, and Engineering to scope, build, and release features Write clean, well-tested code and raise the bar through code reviews and technical discussions Strengthen reliability with automated tests and a share of the team's on-call rotation Contribute to shared frontend architecture, tooling, and technical standards Pick up backend work when it's needed to land the features you own Support a collaborative engineering culture through mentoring, planning, and cross-team work

🏢 Summary: Senior Frontend Developer role for a greenfield international project focused on enterprise-grade frontend applications using React and TypeScript. The position involves building advanced UI solutions, integrating APIs, and supporting explainable, auditable workflows in a hybrid B2B setup. Teams work cross-functionally following API-first and event-driven development principles. 🗂️ Requirements: Senior-level frontend development experience, Strong knowledge of React, Strong knowledge of TypeScript, Experience building complex enterprise-grade applications, Hands-on API integration experience, Familiarity with contract-first or API-first development, Experience creating reusable components, Experience working with design systems, Understanding of accessibility standards, Knowledge of responsive design, Knowledge of performance optimisation, Knowledge of usability principles, Experience with frontend testing, Ability to work in cross-functional teams, Strong quality and validation mindset, Fluent Polish, Fluent English 📃 Skills: React, TypeScript, API, HTML, CSS, JavaScript, Testing, Accessibility, Responsive, Performance, DesignSystems 🏢 Description: Cooperation Details Start date: As soon as possible, within 3–4 weeks Contract duration: 12 months initially, with possible extensions Contract type: B2B Working model: Hybrid, with 2 days per week from the Warsaw office and the remaining days remotely Equipment: Laptop provided by the client Travel: Up to one possible business trip per year to the Netherlands or France (paid by the Client) Languages: fluent Polish and English are a must We are looking for a Senior Frontend Developer to join a new initiative delivered for an international client operating in the information services sector. Both projects are greenfield initiatives developed from scratch. Each team will consist of approximately five people, including a Tech Lead, Backend Developer, Frontend Developer, and QA Engineer. Responsibilities Developing frontend applications using React and TypeScript. Building advanced enterprise-grade user interfaces, including dashboards, forms, filters, cards, and drill-down views. Integrating frontend applications with APIs using a contract-first approach. Designing and developing reusable components and solutions based on a design system. Ensuring accessibility, responsiveness, performance, usability, and overall application quality. Implementing explainability-focused UI patterns, including evidence, rationale, confidence levels, and source traceability. Building human review workflows that support approval, rejection, and manual override of system recommendations. Collaborating closely with the Tech Lead, Backend Developers, QA Engineers, and other team members. Contributing to component, UI integration, and regression testing. Working according to spec-driven development, API-first, and event-driven delivery principles. Ensuring auditability, traceability, and explainability by design. Supporting thin vertical slice and steel-thread delivery to validate end-to-end functionality early in the development process. Requirements Senior-level experience in frontend software development. Strong practical knowledge of React and TypeScript. Experience in building complex enterprise-grade applications and user interfaces. Hands-on experience with API integration. Familiarity with contract-first or API-first development. Experience in creating reusable components and working with design systems. Good understanding of accessibility, responsive design, performance optimisation, and usability. Experience with frontend components, integration, and regression testing. Ability to work effectively in a cross-functional product team. Strong quality and validation mindset from the beginning of the development lifecycle. Fluency in Polish and English. Experience in projects involving AI, agentic workflows, human-in-the-loop governance, explainability, or decision-support systems will be considered an advantage.

🏢 Summary: B2B contract role for a Senior Frontend Developer to architect and build advanced single-page applications in the banking domain. The position focuses on frontend architecture, performance optimization, and integration with backend services using modern web technologies. Hybrid work model with collaboration across cross-functional teams. 🗂️ Requirements: Strong experience with HTML, Strong experience with CSS, Strong experience with JavaScript, Strong experience with TypeScript, Hands-on experience with Web Components, Hands-on experience with Lit, Good knowledge of Node.js, Knowledge of npm ecosystem, Experience with Vitest or similar testing frameworks, Experience integrating REST APIs, Experience integrating GraphQL APIs 📃 Skills: HTML, CSS, JavaScript, TypeScript, WebComponents, Lit, Node.js, npm, Vitest, REST, GraphQL 🏢 Description: We are looking for a Senior Frontend Developer for our client in the banking industry RESPONSIBILITIES Architect and implement advanced user interfaces and single-page applications using TypeScript and JavaScript Define and promote best practices for frontend architecture, state management and reusable components Optimize application performance, including load times and Core Web Vitals, ensuring smooth user experience across devices Collaborate closely with backend developers, UX/UI designers, and product managers Integrate frontend applications with REST and GraphQL APIs Ensure code quality through testing and participation in development lifecycle processes REQUIREMENTS Strong experience with HTML, CSS, JavaScript, and TypeScript Hands-on experience with Web Components / Lit Good knowledge of Node.js and npm ecosystem Experience with testing frameworks such as Vitest NICE TO HAVE Experience with CI/CD pipelines Familiarity with Kafka Knowledge of NinjaFork Experience working with messaging systems (MQ) WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 110-120 PLN/hour Hybrid work from Warsaw / Łódź / Gdynia / Gdańsk (3 times a week in the office) The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client Events and integration meetings, as well as participation in various initiatives, e.g., sports Access to the benefits offering (medical care, Multisport card) WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch.

🏢 Summary: Senior Frontend Developer role focused on building and maintaining complex cloud-based web applications for network configuration, monitoring, and optimization. The position involves developing new features, maintaining a custom UI component library, and contributing to code and UX reviews within a global team. Hybrid work model with long-term B2B cooperation. 🗂️ Requirements: 5+ years experience building complex web applications, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Strong knowledge of HTML5, Strong knowledge of CSS3, Experience with React, Experience with Redux, Experience with Redux Toolkit, Experience writing well-tested maintainable code, Experience with REST API integration, Proficient English communication skills 📃 Skills: JavaScript, TypeScript, HTML5, CSS3, React, Redux, ReduxToolkit, REST, Cypress, ReactTestingLibrary, Webpack, Lerna, Storybook, Cytoscape, ChartJS, MapLibre 🏢 Description: For a client, we are looking for a Senior Frontend Developer Salary: 150-170 net+VAT B2B Hybrid model: 1 day per week from the office in Warsaw or Kraków RESPONSIBILITIES About our Team As a team member, you will have the possibility to participate in the whole development process in Network Cloud Team projects. The primary objective of our applications is to set up, configure, monitor, and optimize servers and networks for clients globally. Working in our team allows you to learn various network automation techniques, be part of and create a mobile network future, develop cloud-based applications and have a real impact on how it will look like. Role and Responsibilities Develop new features, as well as maintain existing ones. Implementation and maintenance of custom UI components library. Participate in code review, as well as UX design review. Cooperation with colleagues from other Centers around the world. REQUIREMENTS 5+ years of experience building complex web applications using JavaScript, TypeScript, HTML5, CSS3. Experience with React, Redux and Redux Toolkit; Familiarity writing well-tested, maintainable code (knowledge of Cypress.io and React Testing Library is a plus). Familiarity with REST API integration Proficient English communication skills. NICE TO HAVE Experience with Webpack; Experience with Lerna or other mono-repo solutions; Experience with Storybook and component libraries development; Experience with data visualization (knowledge of Cytoscape.js, react-chartjs-2, maplibre or similar libraries is a plus); WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 150-170 PLN/hour Hybrid work from Warsaw or Cracow (1 times a week in the office) The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Iga Olszewska-Magnowska Senior IT Delivery Consultant iga.olszewska@speedapp.pl

🏢 Summary: Senior Frontend Developer role focused on building and leading high-performance frontend applications for self-serve advertising platforms in the AdTech domain. The project involves developing campaign management flows, pricing logic, and integrating programmatic components using modern JavaScript frameworks. Fully remote B2B contract for 6 months with possible extensions. 🗂️ Requirements: Proficiency in Nuxt (Vue 3), Strong TypeScript knowledge including Generics and Interfaces, Experience with Pinia state management, Knowledge of PrimeVue 4, Knowledge of Tailwind CSS, Familiarity with AJV or Zod validation libraries, Experience with dayjs and decimal.js, Experience with SSP/DSP or programmatic integrations, Experience with domain-driven architecture, Performance optimization skills 📃 Skills: Nuxt, Vue, TypeScript, Pinia, PrimeVue, Tailwind, AJV, Zod, dayjs, decimal.js, SSP, DSP, JavaScript, ESLint 🏢 Description: 🌍Work mode : remote. 💰 Rate: 140 -160 PLN/h on B2B. ⏰ Start : ASAP/ 1 msc. ⏳ Project length : 6 months + extensions. 📕Project language : English. ⚙️ Industry : AdTech. 💼 Workload : Full time. ⚙️ Recruitment process -1 technical interview. 💻 Equipment : work on own equipment. Summary: The role of the Senior Frontend Developer focuses on leading the development of high-performance frontend applications within the Ad-Tech domain , leveraging modern JavaScript frameworks . Main Responsibilities: Develop and maintain self-serve advertising platforms. Implement campaign management & booking flows. Actively contribute to pricing logic & financial calculations. Integrate SSP/DSP or programmatic components. Create and manage reporting & validation-heavy interfaces. Key Requirements: Proficient in Nuxt (Vue 3) . Strong command of TypeScript , including Generics and Interfaces. Experience with Pinia for state management. Knowledge of PrimeVue 4 and Tailwind CSS. Familiarity with AJV / Zod validation libraries. Skillful in dayjs & decimal.js . Experience with domain-driven architecture and performance optimization. Nice to Have: Experience with Nuxt Layers and modular architecture. Familiarity with the Mapper pattern (DTO → Domain). Experience with ESLint 9. Other Details: Work Environment: Remote position with significant flexibility in working hours. Industry: Engaging in a dynamic Ad-Tech landscape.