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Senior Frontend ReactJS Developer
Компания: DCV Technologies
Город: Wrocław
Senior Frontend ReactJS Developer Location: Wroclaw, Poland Work mode: 3- day hybrid Exp level: 8+ yrs Key Responsibilities: Develop and maintain features within React-based portfolio reporting applications, including saved report packages, report generation and search functionality. Modernize existing applications by migrating them to Vite and an enterprise design system. Support the migration of legacy ExtJS applications and screens to React. Build, integrate and troubleshoot GraphQL and REST APIs between front-end applications and back-end microservices. Diagnose issues such as slow or failing API queries, incorrect request payloads and front-end performance problems. Deploy UI builds to QA environments, manage release branches, and support regression testing and production releases. Work closely with back-end developers, QA teams, release management and product owners to deliver business and regulatory improvements. Contribute to Agile development, Test Driven Development and DevOps practices. Your Team: You will be part of a globally distributed Portfolio Performance Reporting team responsible for applications that support portfolio returns, asset allocation, holdings and client reporting. The team works collaboratively across front-end development, back-end engineering, data, QA, product and application support functions, with a strong focus on application quality, stability and continuous improvement. Your Expertise: Bachelor's or Master's degree, preferably in Computer Science or a related discipline. Minimum 8 years of hands-on front-end development experience, preferably within banking or financial services. Strong proficiency in React, TypeScript and JavaScript. Mandatory Hands-on experience with GraphQL, such as Apollo Client, and REST API integration, including debugging communication between browser applications and back-end services. Mandatory Experience with modern front-end build tools, particularly Vite. Mandatory Strong understanding of Git branching, version control and release workflows. Mandatory Experience migrating legacy front-end applications, such as ExtJS, to React. Preferred Experience working with enterprise UI/design systems. Preferred Familiarity with data-heavy UI frameworks such as AG Grid. Preferred Experience troubleshooting front-end performance issues and memory leaks. Knowledge of wealth management, portfolio reporting, performance returns, holdings or financial reporting would be an advantage. Comfortable working with cloud-based development environments and containerized deployments. Good understanding of Agile, Test Driven Development and DevOps practices. Strong analytical and problem-solving skills with attention to detail. Strong communication skills and ability to work with senior stakeholders and globally distributed teams. Collaborative approach to problem-solving and working within diverse, cross-functional teams. Key Skills: Mandatory: React | TypeScript | JavaScript | GraphQL | REST APIs | Vite | Git | Front-End Development Preferred: ExtJS Migration | AG Grid | Apollo Client | Enterprise Design Systems | Microservices | DevOps | Wealth Management | Portfolio Reporting What We Offer Long-term international project International and experienced team Professional development opportunities Exposure to large-scale enterprise solutions Stable project and long-term cooperation Collaborative and multicultural working environment