Front-end Developer

🏢 Summary: B2B remote Frontend Developer role supporting large-scale insurance transformation projects, focused on building modern, scalable frontend solutions in international agile teams. The position involves translating complex business requirements into technical designs and delivering high-quality client-facing applications using modern web technologies. 🗂️ Requirements: Strong hands-on experience with React, Strong knowledge of TypeScript and JavaScript ES6, Proficiency in HTML5, CSS3, SCSS, Minimum 3–4 years experience in corporate IT in similar role, Practical knowledge of REST architectures, Experience with unit testing, Knowledge of SQL and at least one database engine, Experience working in Agile/Scrum environment, Experience in international project teams 📃 Skills: React, TypeScript, JavaScript, ES6, HTML5, CSS3, SCSS, REST, SQL, UnitTesting, Databases, Agile, Scrum 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% remote Contract Type: B2B (130-150 PLN/h + VAT) We are looking for an experienced Frontend Developer to support large-scale Insurance transformation projects. The role focuses on designing and delivering modern, scalable frontend solutions aligned with complex business and technical requirements. You will collaborate with international, agile delivery teams on client-facing implementations across multiple streams. Expectations: Strong hands-on experience with React and modern frontend technologies (TypeScript, JavaScript ES6, HTML5, CSS3, SCSS). Minimum 3-4 years of professional experience in a corporate IT environment in a similar role. Practical knowledge of RESTful architectures, unit testing, SQL, and at least one database engine. Excellent communication skills in English, with experience working on international projects. Familiarity with agile / scrum methodology Responsibilities: Contribute as a Frontend Developer across multiple implementation streams within Insurance projects. Analyze business requirements and translate them into frontend designs and technical solutions. Develop, test, debug, and document frontend applications using modern technologies. Collaborate with agile team members to achieve project milestones and client objectives. What We Offer: Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance

🏢 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: 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: 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: Senior Frontend Developer role focused on designing, developing, and supporting a cloud-based data registry web application using Angular. The position involves contributing to shared UI libraries, participating in architectural reviews, and ensuring high-quality, secure, and scalable frontend solutions. Collaboration with backend engineers and stakeholders is a key part of the role. 🗂️ Requirements: 5+ years of frontend development experience, Expertise in Angular, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Strong knowledge of HTML5, Strong knowledge of CSS, Experience with APIs, Experience building scalable and maintainable software, Software security awareness, Basic UI design knowledge, Fluent English 📃 Skills: Angular, JavaScript, TypeScript, HTML5, CSS, APIs, REST, Cloud, DevOps, DataVisualization, Security 🏢 Description: For our client, an international life-science company, we are looking for: Sr Frontend Developer (Angular) Warsaw (min.1 day in office per week) Salary: 19 000-25 000 PLN gross / month (+ annual bonus worth ab. 2 month salary + KUP 70%) Tasks: Design, development and support of cloud-based data registry web application written in Angular 20 / 21 Contribute to the development and adoption of shared UI libraries Collaborate closely with back-end engineers, product managers, and domain experts - regarding functional requirements Participate in architectural and design reviews Conduct code reviews Identify and resolve UI-related issues Apply best practices and standards, account for security requirements Contribute to technical discussions and continuous improvement Contribute to simple UI design Requirements: 5+ years of experience in frontend development Expertise in Angular Good knowledge of JavaScript, TypeScript, HTML5 and CSS Experience with APIs Experience in developing scalable and maintainable software Software security awareness Basic knowledge of UI design Fluent in English Nice to have: experience at international companies, experience with data platforms front-ends, knowledge of Cloud and DevOps, data visualisation

🏢 Summary: Mid-level Front-end Software Engineer role focused on building scalable, high-traffic web solutions for a large e-commerce platform. The position involves delivering medium to high complexity features, translating product and UX requirements into maintainable code, and contributing to front-end architecture decisions. This is a contractor role with high ownership in a product-driven environment. 🗂️ Requirements: Minimum 10+ years of experience as a Front-end Software Engineer, Strong knowledge of HTML, Strong knowledge of CSS, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Practical experience with React, Ability to develop scalable and maintainable front-end architecture, Experience ensuring code quality, performance, and accessibility, Experience working in cross-functional product teams, Ability to work independently and take technical ownership 📃 Skills: HTML, CSS, JavaScript, TypeScript, React, Accessibility, Performance, Architecture 🏢 Description: For our Client – one of the largest and most recognizable e-commerce platforms in Central Europe, serving millions of users daily and building large-scale, high-traffic digital products – we are currently looking for a Front-end Software Engineer (Mid-level) to join a product-driven environment focused on delivering high-quality, scalable web solutions. 📍 Warsaw - once per 2-3 weeks in the office only 🎯 Your Responsibilities Deliver medium to high complexity front-end features independently Translate product and UX requirements into clean, scalable, maintainable code Collaborate closely with Product Managers and UX/UI Designers Ensure high standards of code quality, performance, and accessibility Take ownership of delivered solutions in a contractor model (high autonomy expected) Contribute to team-level technical decisions and front-end architecture discussions Identify and address front-end technical debt 🔧 Required Experience & Skills Min 10 + years of experiance as a Front-end Software Engineer Solid understanding of HTML, CSS, JavaScript, and TypeScript fundamentals Practical experience with React (preferably with TypeScript) Ability to work independently and take accountability for outcomes Experience collaborating in cross-functional teams ⭐ Nice to Have Experience working on large-scale web applications Experience with cross-team front-end integrations Familiarity with design systems and component libraries Interest in scalable testing practices 🌍 What You Can Expect Long-term cooperation in a contractor model High-impact product environment with millions of end users Real ownership over features and technical solutions Modern engineering standards and strong product culture Occasional on-site workshops and team events 📍 Please note that we will contact only selected candidates. TQLO Sp. z o.o. – Employment Agency (KRAZ No. 33580)

🏢 Summary: Mid-level Front-end Software Engineer role focused on building scalable, high-quality web features for a large-scale, high-traffic e-commerce platform. The position involves translating product and UX requirements into maintainable React-based solutions while ensuring performance, accessibility, and code quality. The role offers high autonomy and ownership in a contractor model within a product-driven environment. 🗂️ Requirements: 10+ years of experience as Front-end Software Engineer, Strong knowledge of HTML, Strong knowledge of CSS, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Practical experience with React, Ability to deliver medium to high complexity front-end features independently, Experience working in cross-functional teams, Ability to ensure code quality, performance and accessibility standards 📃 Skills: HTML, CSS, JavaScript, TypeScript, React, Accessibility, Performance 🏢 Description: For our Client – one of the largest and most recognizable e-commerce platforms in Central Europe, serving millions of users daily and building large-scale, high-traffic digital products – we are currently looking for a Front-end Software Engineer (Mid-level) to join a product-driven environment focused on delivering high-quality, scalable web solutions. 📍 Warsaw - once per 2-3 weeks in the office only 🎯 Your Responsibilities Deliver medium to high complexity front-end features independently Translate product and UX requirements into clean, scalable, maintainable code Collaborate closely with Product Managers and UX/UI Designers Ensure high standards of code quality, performance, and accessibility Take ownership of delivered solutions in a contractor model (high autonomy expected) Contribute to team-level technical decisions and front-end architecture discussions Identify and address front-end technical debt 🔧 Required Experience & Skills Min 10 + years of experiance as a Front-end Software Engineer Solid understanding of HTML, CSS, JavaScript, and TypeScript fundamentals Practical experience with React (preferably with TypeScript) Ability to work independently and take accountability for outcomes Experience collaborating in cross-functional teams ⭐ Nice to Have Experience working on large-scale web applications Experience with cross-team front-end integrations Familiarity with design systems and component libraries Interest in scalable testing practices 🌍 What You Can Expect Long-term cooperation in a contractor model High-impact product environment with millions of end users Real ownership over features and technical solutions Modern engineering standards and strong product culture Occasional on-site workshops and team events 📍 Please note that we will contact only selected candidates. TQLO Sp. z o.o. – Employment Agency (KRAZ No. 33580)

🏢 Summary: B2B offer for an experienced Front-End Developer (Angular) to build and develop a global FinTech digital platform used by clients across the EMEA region. The role focuses on designing new web functionalities, integrating with APIs, maintaining high code quality, and working in a Scrum team within an international environment. You will contribute to a modern Angular-based stack and have real impact on a product used by thousands of business customers. 🗂️ Requirements: Minimum 5 years of experience as Front-End Developer, Very good knowledge of JavaScript, Very good knowledge of TypeScript, Very good knowledge of Angular, Knowledge of HTML5, Knowledge of CSS/SCSS, Experience with Git, Experience with GitLab, Ability to diagnose and solve technical problems, Very good English language skills 📃 Skills: Angular, JavaScript, TypeScript, HTML5, SCSS, CSS, RxJS, Highcharts, BEM, PWA, Git, GitLab, Java, Spring, Microservices, Oracle, JPA, Hibernate, Redis, AWS, DocumentDB, Scrum 🏢 Description: Front-End Developer (Angular) Warszawa | Model stacjonarny B2B Międzynarodowe środowisko | Branża FinTech O kliencie Dla globalnego lidera sektora FinTech i płatności elektronicznych poszukiwany jest doświadczony Front-End Developer. Firma dostarcza nowoczesne rozwiązania technologiczne wykorzystywane przez instytucje finansowe i przedsiębiorstwa na całym świecie. Platforma obsługuje miliony transakcji dziennie i umożliwia bezpieczne zarządzanie finansami w cyfrowym środowisku. Dołączając do zespołu, będziesz współtworzyć globalną platformę cyfrową wykorzystywaną przez klientów w regionie EMEA, zapewniającą przedsiębiorcom dostęp do narzędzi wspierających zarządzanie, monitorowanie i rozwój działalności biznesowej. Zakres obowiązków - Współpraca z Business Analystami i zespołem produktowym w celu doprecyzowania wymagań biznesowych. - Projektowanie i rozwój nowych funkcjonalności w aplikacjach webowych. - Utrzymanie, refaktoryzacja oraz optymalizacja istniejącego kodu. - Integracja warstwy frontendowej z nowymi i istniejącymi API. - Tworzenie testów jednostkowych oraz testów end-to-end. - Udział w code review i dbanie o wysoką jakość kodu. - Współpraca z zespołem QA podczas testowania i wdrażania rozwiązań. - Współtworzenie standardów programistycznych i najlepszych praktyk frontendowych. - Aktywny udział w pracy zespołu Scrum. Wymagania - Minimum 5 lat doświadczenia na stanowisku Front-End Developera. - Bardzo dobra znajomość JavaScript oraz TypeScript. - Bardzo dobra znajomość Angular. - Znajomość HTML5 oraz CSS/SCSS. - Umiejętność diagnozowania i rozwiązywania problemów technicznych. - Doświadczenie w pracy z Git oraz GitLab. - Proaktywne podejście, samodzielność oraz poczucie odpowiedzialności za dostarczane rozwiązania. - Bardzo dobra znajomość języka angielskiego umożliwiająca pracę w międzynarodowym środowisku. Mile widziane - Wykształcenie kierunkowe (Informatyka, Inżynieria Oprogramowania lub pokrewne). - Znajomość Dockera. - Doświadczenie w tworzeniu testów developerskich (Jest, Karma lub podobne). - Znajomość nowoczesnych narzędzi frontendowych i dobrych praktyk programistycznych. - Doświadczenie w pracy w zespołach Agile/Scrum. Stack technologiczny Frontend - Angular 19 - TypeScript - HTML5 - SCSS - BEM - RxJS - Highcharts - Responsive Web Design - Progressive Web Apps (PWA) - Wewnętrzny Design System Backend (współpraca z zespołem backendowym) - Java 21 - Spring Boot 3 - Mikroserwisy - Oracle Database - JPA / Hibernate - Redis - AWS DocumentDB Oferujemy - Udział w rozwoju nowoczesnej platformy wykorzystywanej przez klientów na całym świecie. - Pracę w stabilnym, międzynarodowym środowisku FinTech. - Współpracę z doświadczonymi specjalistami w metodyce Agile. - Możliwość pracy przy nowoczesnym stacku technologicznym. - Długoterminową współpracę B2B. - Realny wpływ na rozwój produktu używanego przez tysiące klientów biznesowych.

🏢 Summary: Offer for an experienced React FrontEnd Developer to design and build responsive, high-performance user interfaces in a hybrid model in Warsaw. The role focuses on developing modern web applications using React and related technologies, with strong emphasis on testing, accessibility, and performance optimization. The position involves close collaboration with cross-functional teams to deliver robust, user-centric digital products. 🗂️ Requirements: 6+ years of experience in JavaScript development, 6+ years of experience in TypeScript development, Commercial experience with React.js, Experience with Redux, Hands-on experience with HTML5, Hands-on experience with CSS3, Ability to write cross-browser compatible code, Understanding of object-oriented programming concepts and design patterns, Knowledge of functional programming paradigms, Understanding of asynchronous programming, Experience with TDD, Experience with continuous integration, Knowledge of Git and branch management, Experience with front-end debugging tools, Experience working in Agile methodology 📃 Skills: JavaScript, TypeScript, React, Redux, Next.js, HTML5, CSS3, Git, TDD, CI, OOP, FP 🏢 Description: React FrontEnd Developer IT · Warsaw (City Center) · Hybrid About the Client Our Client is a fast-growing, international technology company that provides innovative digital solutions for the global market. They are currently expanding and developing their R&D center in Warsaw. They are a leader in AI-powered enterprise operations, delivering digital solutions and consulting services that drive value and transform businesses. They specialize in using advanced technology to streamline operations, improve efficiency, and unlock new revenue opportunities, particularly within the private capital markets. With over a decade of experience supporting high-growth companies, they bring deep domain expertise and a proven ability to turn technology into a strategic advantage. Role Overview We are seeking a skilled React FrontEnd Developer to design and develop responsive user interfaces. In this role, you will collaborate with cross-functional teams to deliver robust, user-centric solutions while driving best practices in testing, accessibility, and performance optimization. Key Responsibilities UI Development: Designing and developing responsive user interfaces using React Testing & Integration: Implementing and maintaining TDD in applications and continuous integration. Driving best practices in testing, accessibility, and performance optimization. Collaboration: Collaborating with a cross-functional team of project managers, project analysts, and sales staff to deliver high-quality, interactive products on time. Collaborating cross-functionally with design, backend, QA, and product teams to deliver robust and user-centric solutions. Requirements & Qualifications Experience & Education: 6+ years of experience in JavaScript and TypeScript development. A Bachelor's degree in Computer Science or equivalent is preferred. Core Tech Stack: Must know a modern front-end JS framework, such as React.js + Redux; Next.js is a bonus. Hands-on experience with HTML5, CSS3. Proficiency in writing cross-browser compatible code. Programming Paradigms: Should understand OO concepts and design patterns, and their application to JavaScript development. Knows functional programming paradigms. Understands asynchronous programming paradigms and best practices. Tools & Debugging: Git and branch management knowledge. Experience debugging front-end problems and a knowledge of front-end debugging tools. Familiarity with custom package creation and integration. Soft Skills & Methodology: Experience with Agile methodologies and development practices. Good communication skills and good organization skills. Ability to work under pressure and deliver against tight deadlines. What Is Offered Compensation: Monthly compensation up to $4,800 USD . Contract Type: B2B contract via Optiveum. Work Model: Hybrid (3 days working from the office located in the center of Warsaw, 2 days working from home). Stability: Long-term cooperation with a stable, international organization.

🏢 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: 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 insurance Recruitment process: - Introductory call - Technical interview - Final decision