Frontend 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: Senior Frontend Developer (React) role focused on designing and delivering scalable, high-quality frontend applications using React and Next.js across diverse software projects, including AI-driven and legacy modernization initiatives. The position involves architectural decisions, performance optimization, API integration, and collaboration within cross-functional Agile teams. B2B contract with opportunity to work on production systems at scale. 🗂️ Requirements: 5+ years experience as Frontend Developer, Strong expertise in React, Proficiency in JavaScript, Proficiency in TypeScript, Strong knowledge of HTML5, Strong knowledge of CSS3, Experience with Next.js including SSR and SSG, Experience with state management libraries, Experience integrating RESTful APIs, Familiarity with modern frontend tooling, Experience with testing frameworks, Knowledge of CI/CD pipelines, Proficiency with Git, Experience working in Agile/Scrum, English level B2 or higher 📃 Skills: React, Next.js, JavaScript, TypeScript, HTML5, CSS3, Redux, Zustand, REST, Vite, Webpack, npm, yarn, Jest, ReactTestingLibrary, Cypress, CI/CD, Git, Agile, Scrum, AI 🏢 Description: Who we are: We are Inspeerity (part of DevelopX group), engineering consultancy providing software development and consultancy. Our primary expertise is systems architecture and full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people. About position: We are currently building our talent pool for future Senior Frontend Developer (React) roles. As our company is expanding, you may have the opportunity to work on a variety of software solutions across multiple initiatives, including projects we will be delivering in the future, from building native AI solutions to modernizing legacy systems. If you enjoy collaborating in a skilled team and are committed to delivering top-notch software, we’d love to connect. e're not prescriptive about background. Whether you've worked in fintech, SaaS, e-commerce, or enterprise systems — what matters is that you've shipped production software at scale, cared about its reliability, and learned from what broke. TL;DR • Who: Senior Frontend Developer (React) • Contract Type: B2B Framework Agreement • Salary range: Up to 140 PLN/h • Company: Software House What you’ll be doing: • Designing, implementing, and maintaining high-quality frontend applications using React. • Building modern, responsive user interfaces and reusable components. • Working with frameworks like Next.js to deliver performant, scalable applications (including SSR/SSG when applicable). • Collaborating with cross-functional teams including backend developers, designers, and product stakeholders. • Reviewing and refactoring code to ensure maintainability, performance, and scalability. • Participating in technical design discussions and contributing to frontend architecture decisions. • Writing and maintaining technical documentation for components and frontend processes. • Supporting integration with backend services and APIs. You will be the best fit if you have: • 5+ years of experience as a Frontend Developer, with strong expertise in React. • Strong understanding of JavaScript / TypeScript, HTML5, and CSS3. • Experience building applications with frameworks such as Next.js, including server-side rendering and static generation. • Experience with state management approaches (e.g., Redux, Zustand, or similar). • Experience with RESTful APIs and integration with backend services. • Familiarity with modern frontend tooling (e.g., Vite, Webpack, npm/yarn). • Knowledge of performance optimization techniques and building scalable web applications. • Experience with testing frameworks (e.g., Jest, React Testing Library, Cypress or similar). • Knowledge of CI/CD pipelines and version control systems (e.g., Git). • Strong problem-solving skills and attention to detail. • English level B2 or higher. • Experience working in Agile/Scrum teams and contributing to iterative development. • Experience with AI technologies, including using AI tools for development and building AI-powered features or applications. What we offer • Remote work or working from our Bialystok, Warsaw, Rzeszow offices. It's up to you! • Collaboration with experienced and engaged people who will appreciate your work and support you whenever you need it 😊 • Hybrid and flexible cooperation model based on a B2B Framework Agreement. • Great working conditions and best equipment: Dell or MacBook, your choice. Good to know: We don’t require a degree. We don’t do whiteboard puzzles or trick questions. Our interview process is practical: a technical conversation, and a chat about how you work. We value direct communication and intellectual curiosity. If you’re someone who gets excited debugging a tricky concurrency issue - not because you have to, but because you want to understand it — we’ll get along well.

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

🏢 Summary: Offer for a Senior Frontend Developer specializing in Angular to design, build, and maintain scalable, high-quality web applications within diverse software projects. The role involves frontend architecture decisions, integration with backend services, and collaboration in Agile teams. Contract is B2B with remote flexibility and focus on delivering production-grade solutions. 🗂️ Requirements: 5+ years Frontend development experience, Strong Angular 2+ expertise, Proficiency in JavaScript and TypeScript, Knowledge of HTML5 and CSS3, Experience with NgRx or state management, Experience integrating REST APIs, Familiarity with Webpack, Vite, npm or yarn, Experience with testing frameworks, Knowledge of CI/CD pipelines, Proficiency with Git, Experience in Agile/Scrum, English B2 or higher, Experience with AI tools or AI-powered features 📃 Skills: Angular, JavaScript, TypeScript, HTML5, CSS3, NgRx, REST, Webpack, Vite, npm, yarn, Jasmine, Karma, Cypress, Git, CICD, Agile, Scrum, AI 🏢 Description: Who we are: We are Inspeerity (part of DevelopX group), engineering consultancy providing software development and consultancy. Our primary expertise is systems architecture and full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people. About position: We are currently building our talent pool for future Senior Frontend Developer (Angular) roles. As our company is expanding, you may have the opportunity to work on a variety of software solutions across multiple initiatives, including projects we will be delivering in the future, from building native AI solutions to modernizing legacy systems. If you enjoy collaborating in a skilled team and are committed to delivering top-notch software, we’d love to connect. We're not prescriptive about background. Whether you've worked in fintech, SaaS, e-commerce, or enterprise systems - what matters is that you've shipped production software at scale, cared about its reliability, and learned from what broke. TL;DR • Who: Senior Frontend Developer (Angular) • Contract Type: B2B Framework Agreement • Salary range: Up to 140 PLN/h • Company: Software House What you’ll be doing: • Designing, implementing, and maintaining high-quality frontend applications using Angular. • Building responsive, user-friendly interfaces and reusable UI components. • Collaborating with cross-functional teams including backend developers, designers, and product stakeholders. • Reviewing and refactoring code to ensure maintainability, performance, and scalability. • Participating in technical design discussions and contributing to frontend architecture decisions. • Writing and maintaining technical documentation for components and frontend processes. • Supporting integration with backend services and APIs. You will be the best fit if you have: • 5+ years of experience as a Frontend Developer, with strong expertise in Angular (2+). • Strong understanding of JavaScript / TypeScript, HTML5, and CSS3. • Experience with state management solutions (e.g., NgRx) and component-based architecture. • Experience with RESTful APIs and integration with backend services. • Familiarity with modern frontend tooling (e.g., Webpack, Vite, npm/yarn). • Knowledge of performance optimization techniques and building scalable web applications. • Experience with testing frameworks (e.g., Jasmine, Karma, Cypress or similar). • Knowledge of CI/CD pipelines and version control systems (e.g., Git). • Strong problem-solving skills and attention to detail. • English level B2 or higher. • Experience working in Agile/Scrum teams and contributing to iterative development. • Experience with AI technologies, including using AI tools for development and building AI-powered features or applications. What we offer • Remote work or working from our Bialystok, Warsaw, Rzeszow offices. It's up to you! • Collaboration with experienced and engaged people who will appreciate your work and support you whenever you need it 😊 • Hybrid and flexible cooperation model based on a B2B Framework Agreement. • Great working conditions and best equipment: Dell or MacBook, your choice. Good to know: We don’t require a degree. We don’t do whiteboard puzzles or trick questions. Our interview process is practical: a technical conversation, and a chat about how you work. We value direct communication and intellectual curiosity. If you’re someone who gets excited debugging a tricky concurrency issue - not because you have to, but because you want to understand it — we’ll get along well.

🏢 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 Engineer (React) role focused on owning and evolving a production React web application for safety-critical industrial environments. The position involves building advanced dashboards and real-time data visualizations, improving performance, and modernizing a mature frontend stack. You will collaborate with backend and ML teams to integrate real-time data streams and maintain high code quality through testing and CI. 🗂️ Requirements: 3+ years of experience with React, Strong knowledge of JavaScript (ES2019+), Hands-on experience with React Router v5 in production, Hands-on experience with Redux in production, Understanding of frontend architecture, performance, and accessibility, Experience with Webpack-based build pipelines, Proficiency with Yarn, Experience with Jest and Testing Library, Working knowledge of Playwright for E2E testing, Experience with API mocking, Experience integrating WebSocket real-time data, Proficiency with Git and code reviews 📃 Skills: React, JavaScript, Redux, ReactRouter, Webpack, Yarn, Jest, TestingLibrary, Playwright, MSW, WebSocket, Highcharts, Git 🏢 Description: Surveily is a passionate startup dedicated to revolutionizing workplace health and safety standards worldwide. Our cutting-edge technology is designed to monitor and enhance conditions in some of the most demanding and high-risk environments. By harnessing the power of Machine Learning and Real-Time Data, we strive to make workplaces safer and improve the lives of countless employees every day. Join us in making a real difference. We’re on the lookout for a Frontend Engineer (React) to take ownership of our production web application and evolve it to the next level. In this role, you’ll build intuitive UIs for safety-critical workflows, craft rich dashboards and data visualizations with Highcharts, and modernize a mature React codebase—balancing new feature delivery with thoughtful refactoring and performance. Requirements: Strong experience with React (3+ years) and JavaScript (ES2019+). Hands-on experience with React Router (v5) and Redux in production. Solid understanding of frontend architecture, performance, and accessibility. Proficiency with Webpack-based build pipelines and Yarn. Experience with component and integration testing using Jest and Testing Library. Working knowledge of E2E testing (e.g., Playwright) and API mocking (MSW). Comfort collaborating with backend/ML teams and integrating real-time (WebSocket) data. Excellent Git practices and code review discipline. Your daily tasks: Own and develop Surveily’s React web app used in demanding industrial environments. Build advanced dashboards and interactive charts using Highcharts. Improve performance (code-splitting, memoization, profiling) and user experience under real-time data load. Maintain and evolve our current stack (React, Router v5, Redux, Webpack 5) and plan migrations (React 18, Router v6). Write reliable automated tests (Jest/RTL, Playwright) and keep quality high with CI checks. Collaborate closely with backend/AI to integrate real-time inference streams. Participate in code reviews, contribute to engineering standards, and ship small, frequent increments. Nice to have skills: Experience unifying styling approaches (Tailwind CSS, styled-components, Sass) and design systems. Deep familiarity with accessibility, internationalization, and complex data filtering/exploration UIs. Experience with Node-based tooling, Dockerized builds, and CI/CD pipelines. Knowledge of time/date handling (date-fns) and data formatting at scale. Practical exposure to observability for frontend (e.g., performance metrics, error monitoring). We offer you: A mission with tangible impact—your work helps keep people safe in high-risk workplaces. Real ownership of a production app and a strong voice in architecture and product decisions. Fast, supportive startup environment with direct access to founders and AI experts. Opportunities to accelerate your career through challenging, end-to-end projects. Friendly office atmosphere with hybrid and remote work options. Multisport card and private medical care (LuxMed). Gaming laptop you can take home. ESOP—employee stock options.

🏢 Summary: Frontend Engineer (React) role focused on owning and evolving a production web application used in safety-critical industrial environments. The position involves building advanced dashboards and real-time data visualizations, modernizing a mature React codebase, and ensuring high performance and reliability. You will work on delivering new features while maintaining code quality, testing standards, and real-time integrations. 🗂️ Requirements: 6+ years of experience with React, Strong proficiency in JavaScript (ES2019+), Hands-on experience with React Router v5 in production, Hands-on experience with Redux in production, Solid understanding of frontend architecture, Experience optimizing frontend performance, Knowledge of web accessibility standards, Experience with Webpack-based build pipelines, Proficiency with Yarn, Experience with Jest and Testing Library, Experience with E2E testing tools, Experience with API mocking, Experience integrating WebSocket real-time data, Proficient use of Git and code reviews 📃 Skills: React, JavaScript, ES2019, Redux, ReactRouter, Webpack, Yarn, Jest, TestingLibrary, Playwright, MSW, WebSocket, Highcharts, Git, CI, HTML, CSS 🏢 Description: Surveily is a passionate startup dedicated to revolutionizing workplace health and safety standards worldwide. Our cutting-edge technology is designed to monitor and enhance conditions in some of the most demanding and high-risk environments. By harnessing the power of Machine Learning and Real-Time Data, we strive to make workplaces safer and improve the lives of countless employees every day. Join us in making a real difference. We’re on the lookout for a Frontend Engineer (React) to take ownership of our production web application and evolve it to the next level. In this role, you’ll build intuitive UIs for safety-critical workflows, craft rich dashboards and data visualizations with Highcharts, and modernize a mature React codebase—balancing new feature delivery with thoughtful refactoring and performance. Requirements: Strong experience with React (6+ years) and JavaScript (ES2019+). Hands-on experience with React Router (v5) and Redux in production. Solid understanding of frontend architecture, performance, and accessibility. Proficiency with Webpack-based build pipelines and Yarn. Experience with component and integration testing using Jest and Testing Library. Working knowledge of E2E testing (e.g., Playwright) and API mocking (MSW). Comfort collaborating with backend/ML teams and integrating real-time (WebSocket) data. Excellent Git practices and code review discipline. Your daily tasks: Own and develop Surveily’s React web app used in demanding industrial environments. Build advanced dashboards and interactive charts using Highcharts. Improve performance (code-splitting, memoization, profiling) and user experience under real-time data load. Maintain and evolve our current stack (React, Router v5, Redux, Webpack 5) and plan migrations (React 18, Router v6). Write reliable automated tests (Jest/RTL, Playwright) and keep quality high with CI checks. Collaborate closely with backend/AI to integrate real-time inference streams. Participate in code reviews, contribute to engineering standards, and ship small, frequent increments. Nice to have skills: Experience unifying styling approaches (Tailwind CSS, styled-components, Sass) and design systems. Deep familiarity with accessibility, internationalization, and complex data filtering/exploration UIs. Experience with Node-based tooling, Dockerized builds, and CI/CD pipelines. Knowledge of time/date handling (date-fns) and data formatting at scale. Practical exposure to observability for frontend (e.g., performance metrics, error monitoring). We offer you: A mission with tangible impact—your work helps keep people safe in high-risk workplaces. Real ownership of a production app and a strong voice in architecture and product decisions. Fast, supportive startup environment with direct access to founders and AI experts. Opportunities to accelerate your career through challenging, end-to-end projects. Friendly office atmosphere with hybrid and remote work options. Multisport card and private medical care (LuxMed). Gaming laptop you can take home. ESOP—employee stock options.

🏢 Summary: Senior Frontend Developer role focused on designing and owning frontend architecture for complex web applications in fintech and enterprise domains. The position involves building advanced React applications with TypeScript, making architectural decisions, and ensuring high performance, security, and code quality. Full-time onsite work in Warsaw with strong collaboration across backend and product teams. 🗂️ Requirements: Full-time onsite availability in Warsaw, 5+ years professional programming experience, Strong commercial experience with React, Excellent knowledge of TypeScript, Deep understanding of React state management and rendering, Very good knowledge of HTML5 and CSS3, Strong experience with TailwindCSS, Experience designing frontend architectures, Experience integrating REST or GraphQL APIs, Knowledge of authentication and authorization flows, Understanding of frontend security and performance optimization, Experience diagnosing performance and rendering issues, Proficiency with Git and professional workflows, Experience working in Agile teams, Ability to use AI-assisted development tools, English level B2+ 📃 Skills: React, TypeScript, HTML5, CSS3, TailwindCSS, REST, GraphQL, Git, Agile, Next.js, WCAG, CICD, Storybook, i18n, Authentication, Authorization, Security, Performance 🏢 Description: 📍 Warsaw (Onsite – near Metro Plac Wilsona)💼 B2B About Silk Software House Silk Software House builds and maintains business-critical web applications for fintech, payments, and enterprise clients. We value ownership, strong technical judgment, and developers who can design solutions, not just implement tasks. Your Role As a Senior Frontend Developer, you’ll take responsibility for frontend architecture, make key technical decisions, and ensure long-term code quality and performance. You’ll collaborate closely with backend teams and help shape how frontend systems are built and evolved. Responsibilities Design and build frontend architecture for web applications Develop complex React applications using TypeScript Make and justify architectural and technical decisions Optimize performance, rendering, and user experience Define and enforce frontend best practices and coding standards Integrate frontend systems with REST / GraphQL APIs Review code and support less experienced developers Collaborate with architects, backend developers, and product stakeholders Support existing projects through modernization and optimization Requirements This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station 5+ years of professional programming experience , including strong React experience Excellent knowledge of TypeScript Deep understanding of React , state management, and rendering behavior Very good knowledge of HTML5, CSS3 , and responsive design Strong experience with TailwindCSS Solid understanding of authentication and authorization flows Good knowledge of frontend security and performance optimization Experience designing and building frontend architectures Experience diagnosing complex performance and rendering issues Familiarity with Git and professional development workflows Experience working in teams using Agile methodologies Ability to use AI-assisted development tools effectively English at B2+ level , enabling smooth communication Nice to Have Next.js Accessibility standards ( WCAG ) E2E testing frameworks CI/CD pipelines Storybook i18n support in production applications Rates (B2B) 110–140 PLN / hour Recruitment Process Intro call (30 min) Senior-level technical interview Architecture & decision-making discussion Offer

🏢 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: The offer is for a Senior Front-End Software Engineer to design and develop real-time trading UI components for a wealth management platform using Svelte/SvelteKit. The role focuses on building scalable, high-performance interfaces integrated with backend trading systems, ensuring low latency and high usability. You will work in a Scrum team, contribute to CI pipelines, and support production trading environments. 🗂️ Requirements: 5+ years of experience building production applications with Svelte or SvelteKit, Strong knowledge of HTML, CSS, JavaScript, TypeScript, Experience with component architecture, reactivity, and state management in Svelte, Ability to integrate front-end applications with REST, WebSocket, and messaging APIs, Experience writing unit and component-level tests, Familiarity with CI pipelines and modern front-end tooling, Basic Linux skills (shell navigation, log inspection, process control, remote workflows), Fluent English, Communicative Polish 📃 Skills: Svelte, SvelteKit, JavaScript, TypeScript, HTML, CSS, REST, WebSocket, Linux, CI, Shell, APIs 🏢 Description: We develop our product offering to help wealth management to serve their clients' portfolios. For this, we build scalable solutions that need to perform with a rich history of financial data. We specialize in being breadth of offerings to support smaller firms' needs to serve their users well with a highly configurable solution with many functions. Our platform has been built over years of experience in the portfolio management domain. We enhance business functionalities as well as strengthen our technology to scale operationally with low cost of ownership and high quality. For this work, we are looking for further Software Engineers to become full members of our team and take the tasks at hand from the Scrum backlog. Your tasks Design and develop front-end components and windows for IPT/IOM trading workflows using modern Svelte / SvelteKit, with a focus on real-time responsiveness, interoperability and minimal latency Write testable, maintainable code with appropriate unit and component-level tests, and contribute to the team’s continuous integration pipelines Apply modern tooling and champion clean-code and performance standards across the front-end codebase Contribute to code reviews and help raise the team’s engineering standards around component architecture, accessibility, and maintainability Integrate UI components with IPT/IOM back-end services and other upstream/downstream trading systems via REST, WebSocket, and messaging APIs Iterate rapidly — prototype, refine, and ship new features on tight timelines, working directly with traders and squad stakeholders to validate behaviour Operate on Linux: shell navigation, log inspection, process control, and remote workflows Provide front-line support for UI issues in production trading installations, diagnosing problems quickly and delivering fixes with minimal disruption to live trading Act as a close partner to back-end engineers, product owners — translating operational feedback into concrete UI/UX improvements Champion UX quality by applying strong usability, layout, and interaction judgment to data-dense, high-frequency-use interfaces Requirements Solid hands-on, more than 5 years of experience building production applications with Svelte (and/or SvelteKit), including component architecture, stores, reactivity, and lifecycle management Strong command of modern HTML, CSS, and JavaScript/TypeScript, along with browser APIs, async patterns Demonstrable sensitivity to usability, layout, and interaction design — particularly for data-dense, high-frequency-use professional interfaces Comfortable with basic Linux operations — shell navigation, package management, log inspection, process control, and remote development workflows Fluent English, both written and spoken Polish at a communicative level 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!