Senior Frontend Developer

🏢 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: The offer is for a Senior Frontend Developer to design and build complex single-page applications using modern JavaScript and TypeScript technologies in a hybrid work model. The role focuses on frontend architecture, performance optimization, and integration with backend services in a cross-functional environment. 🗂️ Requirements: Strong experience with HTML, Strong experience with CSS, Strong experience with JavaScript, Strong experience with TypeScript, Experience building single-page applications, Experience with Web Components, Experience with Lit, Experience with Node.js and npm ecosystem, Experience with testing frameworks, Experience with Vitest, Experience integrating REST APIs, Experience integrating GraphQL APIs, Experience with state management, Experience optimizing frontend performance 📃 Skills: HTML, CSS, JavaScript, TypeScript, WebComponents, Lit, Node.js, npm, Vitest, REST, GraphQL, SPA, StateManagement, Performance 🏢 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 Preferred location - Gdańsk, Gdynia, Warsaw. Hybrid setup required: 2 days/week in the office, 3 days per week starting September. Responsibilities: Design and implement complex, interactive user interfaces and single‑page applications using TypeScript and JavaScript Define and maintain frontend architecture, including best practices for state management and component reusability Analyze and optimize application performance, including load times and Core Web Vitals Collaborate with backend engineers, UX/UI designers, and product managers Integrate frontend applications with REST and GraphQL APIs Support delivery of product features in a cross‑functional environment Requirements: Strong experience with: HTML, CSS, JavaScript, TypeScript Hands‑on experience with: Web Components / Lit and Node.js / npm ecosystem Experience with testing frameworks, such as Vitest Nice to have: Experience with CI/CD processes Familiarity with Kafka Familiarity with NinjaFork Familiarity with message queue solutions (MQ) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 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 evolving high-performance, accessible web interfaces using both React/Next.js and Vue/Nuxt. The position involves autonomous UI/UX decision-making, contributing to frontend architecture, and collaborating closely with backend and product teams in a fully remote setup. Candidates must have strong experience across modern frontend technologies, SSR, testing, and performance optimization. 🗂️ Requirements: 5+ years of frontend development experience, Strong command of React and Next.js, Strong command of Vue and Nuxt, Proficiency in JavaScript and TypeScript, Proficiency in semantic HTML and modern CSS, Experience with SSR and SSG, Experience with unit and/or E2E testing, Ability to design UI/UX without mockups, Experience with Git and continuous integration, Fluent English (spoken and written) 📃 Skills: React, Next.js, Vue, Nuxt, JavaScript, TypeScript, HTML, CSS, Tailwind, CSS-in-JS, SSR, SSG, Vitest, Jest, Playwright, Cypress, Git, CI, Figma, Node.js, REST, GraphQL 🏢 Description: Summary We are seeking a Senior Frontend Developer to design and evolve performant, accessible web interfaces within a collaborative product team. The ideal candidate will possess a strong command of both React/Next.js and Vue/Nuxt ecosystems, ensuring high-quality solutions in complex projects. Main Responsibilities Build, test, and maintain user interfaces across two ecosystems: React/Next.js and Vue/Nuxt. Design and implement interfaces directly, making autonomous UI/UX decisions from product needs (no dedicated designer). Ensure performance (Core Web Vitals), accessibility (WCAG), and code quality. Work closely with back-end and product teams to define the best technical solutions. Participate in code reviews, share best practices, and mentor junior developers. Contribute to frontend architecture and key technical decisions. Key Requirements 5+ years of frontend development experience. Strong command of both React/Next.js and Vue/Nuxt (both required). Excellent command of JavaScript/TypeScript, semantic HTML, and modern CSS (Tailwind, CSS-in-JS or equivalent). Strong UI/UX sensibility: able to design clear, polished interfaces without supplied mockups. Solid understanding of server-side rendering (SSR/SSG) and performance concerns. Experience with unit and/or E2E testing (Vitest, Jest, Playwright, Cypress, etc.). Comfortable with Git, continuous integration, and working in an agile environment. Excellent written communication skills essential in a remote setting. Fluent English required (spoken and written); French is a plus. Nice to Have Strong grasp of design principles (visual hierarchy, typography, spacing) and tools like Figma for rapid prototyping. Experience with a design system/shared component library. Some back-end knowledge (Node.js, REST/GraphQL APIs). Other Details Position Type: 100% Remote Working Hours: Well-defined

🏢 Summary: Senior .NET Developer role focused on maintaining and enhancing .NET-based web applications and APIs within an AWS cloud environment. The position involves backend development, event-driven integrations, containerization, and CI/CD automation while applying best practices and design patterns. The role requires close collaboration with stakeholders and delivering scalable, high-quality solutions. 🗂️ Requirements: Experience with .NET and ASP.NET Web API, Knowledge of AWS services including AWS Lambda, Experience with infrastructure-as-code tools (AWS CDK, Terraform), Experience with Docker, Experience with CI/CD pipelines (GitHub Actions), Familiarity with Kafka and event-driven architectures, Strong knowledge of PostgreSQL and SQL Server, Strong SQL skills, Understanding of design patterns and software development best practices, English proficiency minimum B2 📃 Skills: .NET, ASP.NET, AWS, Lambda, CDK, Terraform, Docker, GitHub, Actions, Kafka, PostgreSQL, SQLServer, SQL 🏢 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 .NET Developer Responsibilities: Maintaining and enhancing existing .NET-based web applications and APIs Delivering and improving required functionalities in line with customer expectations Supporting backend services built with ASP.NET Web API Working with AWS services (including Lambda) and infrastructure defined with AWS CDK and Terraform Managing containerized environments using Docker Contributing to CI/CD processes using GitHub Actions Supporting event-driven integrations (Kafka) and database-related tasks (PostgreSQL, SQL Server) Applying design patterns and best practices in everyday development work Collaborating with stakeholders in English (min. B2 level) Requirements: Experience with .NET (Web) and ASP.NET Web API Knowledge of AWS services, including AWS Lambda, and infrastructure-as-code tools (AWS CDK, Terraform) Experience working with Docker and CI/CD pipelines (GitHub Actions) Familiarity with Kafka and event-driven architectures Strong knowledge of relational databases (PostgreSQL, SQL Server) and SQL Understanding of design patterns and software development best practices Customer-oriented mindset with focus on delivering expected outcomes English proficiency at minimum B2 level Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program

🏢 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: Senior Fullstack Developer role focused on developing and modernizing a corporate digital banking platform. The position involves building scalable API solutions, working with microservices and monolithic architectures, and delivering high-quality software using modern engineering practices. The role requires close collaboration within Agile teams to ensure resilient and maintainable solutions. 🗂️ Requirements: Minimum 6 years of Java development experience, Approximately 2 years of Angular experience, Experience building API solutions, Working knowledge of Spring and Hibernate, Experience with reactive programming, Experience with REST and microservices, Experience with SQL, Experience with Git, Knowledge of Cucumber, Understanding of SOLID principles and design patterns, Experience working in Agile environment, Fluency in English 📃 Skills: Java, Angular, Spring, Hibernate, REST, Microservices, SQL, Git, Cucumber, Jasmine, SAFe 🏢 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 Fullstack Developer Responsibilities: Develop and maintain new features for a modern corporate digital banking platform Build and improve API solutions supporting key banking services such as accounts, payments, file transfer, and international/local services Contribute to the modernisation of the legacy Corporate Netbank platform Work with backend services based on microservice and monolithic architecture Design and implement resilient, scalable, and maintainable software solutions Follow Domain-Driven Design principles and port-adapter architecture Collaborate closely with developers, Product Owners, architects, analysts, and QA engineers Support maintenance, compliance, and platform improvement activities Participate in Agile ceremonies and contribute to team planning and delivery Ensure high quality of delivered software through clean code, testing, and best engineering practices Requirements: At least 6 years of hands-on experience in Java development Around 2 years of experience with Angular Strong experience in building API solutions Working knowledge of Spring and Hibernate Experience with reactive programming Experience with REST, microservices, SQL, and Git Knowledge of Cucumber framework Good understanding of SOLID principles and design patterns High level of software development skills and engineering mindset Experience working in an Agile environment, preferably SAFe Strong collaboration skills and focus on quality and timely delivery Fluency in English Nice to have: Working knowledge of unit testing in Jasmine Experience working in banking or financial services projects Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Java Developer role to design and build a greenfield backend platform for the STP Lending Manager application using Java and Spring Boot. The position focuses on shaping architecture, implementing scalable solutions, and integrating systems via REST and Kafka. The role involves ownership of backend components and collaboration within an Agile environment. 🗂️ Requirements: 8+ years of experience with Java (Java 21+), 8+ years of experience with Spring Boot, 8+ years of experience with JPA, Experience with Maven, Experience with Liquibase, Experience building REST integrations, Experience with Kafka event streaming, Strong backend development skills, Experience working in Agile environment, Ability to work in English 📃 Skills: Java, SpringBoot, JPA, Maven, Liquibase, REST, Kafka, SQL, GitHubCopilot, Cucumber, Agile 🏢 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 Java Developer Responsibilities: Design and build a backend Java platform for the STP Lending Manager application from the ground up Contribute to a greenfield project, shaping architecture and core technical solutions from an early stage Develop a scalable and maintainable backend using Java and Spring Boot Implement integrations with surrounding systems using REST APIs and Kafka‑based event streaming Use JPA for data persistence, ensuring clean architecture and high code quality Apply database version control using Liquibase Collaborate closely with Business SMEs and the Product Owner to clarify requirements and design solutions jointly Work in an Agile environment, contributing to continuous improvement and transparent team collaboration Use AI‑assisted development tools (e.g. GitHub Copilot) to improve development efficiency and code quality Take clear ownership of backend components and solution‑level decisions Requirements: 8+ years of professional experience with Java (Java 21+) 8+ years of experience with Spring Boot 8+ years of experience working with JPA Experience using Maven Experience with Liquibase for database schema versioning Strong backend development skills with a focus on clean, maintainable code Very good communication skills and ability to work in English Nice to have: Experience with Cucumber for testing Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Front End Engineer role focused on building high-performance web applications for a fast-paced financial environment using modern frontend technologies and real-time data solutions. The position involves developing scalable interfaces, collaborating with cross-functional teams, and optimizing application performance and code quality. 🗂️ Requirements: 5+ years of Front End development experience, Strong knowledge of React, Strong knowledge of Next.js, Strong knowledge of TypeScript, Experience with WebSockets, Experience with AG Grid, Experience with Jest, Experience with React Testing Library, Experience with Playwright, Familiarity with Git, Familiarity with CI/CD, Experience with AI-assisted development tools, Fluent English 📃 Skills: React, Next.js, TypeScript, WebSockets, AG, Grid, Jest, Playwright, Git, CI/CD 🏢 Description: Senior Front End Engineer We are looking for an experienced Front End Engineer to build modern, high-performance web applications used in a fast-paced financial environment. You will work closely with backend engineers and business stakeholders to deliver scalable, user-friendly solutions with a strong focus on real-time data and application performance. Responsibilities Develop and maintain web applications using React, Next.js, and TypeScript. Build reusable UI components and real-time data interfaces. Collaborate with cross-functional teams to deliver business solutions. Optimize performance and ensure code quality through testing and best practices. Requirements 5+ years of experience in Front End development. Strong knowledge of React, Next.js, and TypeScript. Experience with WebSockets, AG Grid, and modern testing frameworks (Jest, React Testing Library, Playwright). Familiarity with Git, CI/CD, and modern development practices. Experience working with AI-assisted development tools. Fluent English.

🏢 Summary: The offer is for a Java Developer responsible for designing, developing, and maintaining scalable server-side web applications and APIs. The role focuses on back-end development, database design and optimization, performance tuning, security best practices, and integration with front-end systems and third-party services. 🗂️ Requirements: Minimum 4 years of experience as Java Developer, Proficiency in Java server-side programming, Experience with relational or NoSQL databases, Experience in back-end development, Experience building scalable web applications, Knowledge of database design and optimization, Experience with version control systems, English level B2 or higher 📃 Skills: Java, MySQL, PostgreSQL, MongoDB, SQL, NoSQL, Git, API, REST 🏢 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: Java Developer Responsibilities: Designing, developing, and maintaining the server-side logic of web applications Implementing scalable and efficient server-side components and APIs Working with relational and/or NoSQL databases to store and retrieve data efficiently Designing and optimizing database schemas for performance and scalability Integrating third-party APIs and web services to enhance application functionality Developing custom APIs to facilitate communication between front-end and back-end systems Implementing security best practices to protect against common web application vulnerabilities Conducting regular security audits and implement necessary measures Optimization: optimizing server-side code for maximum speed and scalability Monitoring and troubleshooting performance issues Collaborating with front-end developers, UI/UX designers, and other team members to ensure seamless integration of components Using version control systems (e.g., Git) to manage and track changes to the codebase Conducting thorough testing of server-side components to identify and fix bugs Collaborating with QA engineers for comprehensive testing Clear and comprehensive documentation for back-end systems and APIs Requirements: At least 4 years of experience as Java Developer Proficiency in Java server-side programming Experience with database systems (e.g., MySQL, PostgreSQL, MongoDB) Proven experience in back-end development and building scalable web applications Strong analytical and problem-solving skills with attention to detail Effective communication skills to collaborate with cross-functional teams Ability to adapt to changing project requirements and technologies English at least B2 Nice to have: Familiarity with cloud platforms (e.g., AWS, Azure, GCP) Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program