Senior Frontend Developer @ Link Group
5 days ago
7+ years of experience in frontend development Strong hands-on experience with React (Hooks), TypeScript, RxJS, WebSockets, Webpack, and building SPA applications Practical experience with real-time UI communication, observables, and performance optimization Solid understanding of software design patterns and frontend best practices Ability to write clean, maintainable code and collaborate effectively with backend teams Fluent in English (spoken and written) Nice to Have Experience with Redux and AG Grid Background in event-driven UI architectures Familiarity with unit testing and automated frontend testing frameworks (e.g., Jest, Storybook) Experience with financial systems, trading, or e-trading platforms Exposure to full-stack development with Java backend Knowledge of Docker, NGINX, Yarn, CI/CD pipelines, and monitoring tools (Prometheus, ELK) We are looking for a Senior Frontend Developer with strong experience in React and TypeScript, building real-time, event-driven single-page applications (SPA) for a global financial platform. The platform supports Sales and Trading teams across multiple asset classes (FX Options, Interest Rate Derivatives, Commodities, Credit Derivatives), providing real-time pricing, risk, and trade booking capabilities. As part of this role, you will work with a custom React framework ensuring UI consistency, integrating closely with backend services, and optimizing performance-sensitive interfaces that update dynamically via WebSockets and RxJS observables. Why This Role Is Unique Work on a strategic, real-time financial platform with global impact Build high-performance, event-driven frontends used by traders and sales teams Collaborate with an international team (Warsaw, London, Singapore) Engage in complex, intellectually challenging projects in a strong engineering culture Opportunity to influence architecture, design patterns, and performance optimization across the platform ,[Build and maintain React + TypeScript SPAs with a focus on real-time data updates , Implement observables and reactive UI patterns using RxJS , Integrate frontend with backend services through WebSockets, REST APIs, and event-driven messaging , Optimize performance and maintain high-quality, clean, and testable code , Participate in all stages of the software development lifecycle, from requirements to production support , Mentor junior developers and collaborate with global teams on technical design and feature delivery , Ensure adherence to coding standards and best practices across the UI stack , Contribute to unit tests and CI/CD pipelines (Azure DevOps) ] Requirements: React, TypeScript, UI, RxJS, REST API, CI/CD Pipelines, DevOps, Webpack, Design Patterns, Redux, Unit testing, Testing, Java, Docker, Nginx, Yarn, Prometheus, ELK Stack
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Warsaw, Czech Republic Link Group Full time7+ years of professional experience in Java development Strong hands-on skills in Java, Spring Boot, Reactive programming (RxJava) Proven experience with Kafka in production systems Solid understanding of event-driven architecture and data serialization Practical experience with microservices, containerization, and cloud deployment (OpenShift /...
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Warsaw, Czech Republic Link Group Full timeMinimum 5 years of experience in software testing (manual + automation) Strong knowledge of Java (Cucumber / Postman) At least 2 years of experience with SQL / Postgres (ability to write complex queries) Proven experience in API testing Solid understanding of Front Office / Trading systems and ability to translate business requirements into test...
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Project Manager in Finance @ Link Group
1 week ago
Warsaw, Czech Republic Link Group Full timeWymagania Minimum 5 lat doświadczenia w Project Management w złożonym środowisku. Doświadczenie w zarządzaniu interesariuszami w skali międzynarodowej. Samodzielność, odpowiedzialność, decyzyjność. Umiejętność pracy pod presją czasu i zarządzania ryzykiem. Mile widziane doświadczenie w finansach lub bankowości, ale nie jest wymagane....
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QA Engineer
5 days ago
Warsaw, Czech Republic Link Group Full timeRequirements 5+ years of experience in software testing (manual and automated) Strong hands-on experience with Java (Cucumber / Postman) At least 2 years of experience with SQL / Postgres, including complex queries and data validation Proven experience in API testing Previous experience in data migration projects Solid understanding of Market...
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Trainee .NET developer @ Innowise
3 days ago
Warsaw, Czech Republic Innowise Full timeRequirements: Understanding of SOLID principles and OOP Knowledge and application of design patterns Understanding of asynchronous programming principles in C# and practical experience Experience with ASP.NET Core Web API Experience with Entity Framework Experience with SQL Conversational English at B1+ level Would be a plus: Experience working with...
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Warsaw, Czech Republic Experis Polska Full timeRequired Experience 5+ years of OutSystems development experience. 4+ OutSystems certifications. Strong experience collaborating with designers, SMEs, and business stakeholders. Proven ability to lead front-end development in OutSystems, delivering responsive and accessible applications. Skilled in enforcing coding standards, improving performance,...
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C++ Developer @ Ework Group
7 days ago
Remote, Warsaw, Czech Republic Ework Group Full timeHigher education level within IT or similar are preferred At least 6 years of experience as C++ Developer Knowledge of CI/CD tools and Unix/Linux environment Readiness to participate in on-call duties Good English skills For our client, one of the Global IT Company we realize a recruitment process for the position of C++ Developer ,[Taking part in...
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Warsaw, Czech Republic Box Inc. Full timeWe are an AI-first company. This means you approach your work with a growth mindset and find ways to leverage AI to help make faster, smarter decisions that will 10X your impact at Box. 5+ years of experience in Product Management, ideally in enterprise developer tools suite Experience building developer-facing products, such as APIs/SDKs, platforms, and...
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Senior React Developer
2 weeks ago
Remote, Gdańsk, Wrocław, Warsaw, Kraków, Poznań, Czech Republic RemoDevs Full timeStrong experience as a Senior Frontend/Fullstack Developer or React Engineer in B2B SaaS. Expert knowledge of React 18 and TypeScript (Hooks, Context, functional components). Solid experience with Redux Toolkit, Ant Design, and Vite. Experience working with REST APIs and async data. Experience testing React apps with Jest and React Testing Library....
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Senior Frontend Developer
1 day ago
Remote, Warsaw, Czech Republic EcoVadis Full timePractical work experience (& up-to-date theoretical knowledge) with React & Redux is essential. 5+ years of professional experience as a front-end JavaScript developer. 3+ years in design and building SPA applications using an application building framework / library (main focus: React, NextJS, nice to have: Vue, Angular etc.). Familiarity (typical everyday...
