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Front-End Engineer (React + Java), Officer
  • Kraków
Front-End Engineer (React + Java), Officer
Kraków, Kraków, Lesser Poland Voivodeship, Polska
STATE STREET BANK INTERNATIONAL GMBH
26. 2. 2026
Informacje o stanowisku

technologies-expected :


  • JavaScript
  • TypeScript

about-project :


  • Charles River Development (CRD) is the FinTech division of State Street. Together with State Street’s Middle and Back-office services, Charles River’s cloud-based Front Office technology forms the foundation of the State Street Alpha® Platform, the first front-to-back solution in the industry.
  • Our vision is to be the world’s leading investment platform, shaping the future of the industry and driving new levels of technology-led innovation, resiliency, efficiency and growth for investors and the people they serve.
  • CRD Engineering organization is innovating and transforming the platform by moving away from monolithic software to utilizing next generation cloud-based technology that leverages Microsoft Azure, Kafka, Snowflake, etc.
  • Industry momentum has seen CRD grow over 135% in headcount over the last 5 years, and we continue to grow. As a digital innovation leader, we invest into our solutions, processes, systems, and talent.
  • CRD is currently expanding the capabilities of our products in several new areas. The Front-End Engineer (React + Java), Officer will take care of the enhancement and maintenance of one or more Alpha/Charles River Development modules or components of an agile scrum team. He/She will also provide engineering troubleshooting assistance to customer support teams and other development teams within Charles River.
  • This is an opportunity to work within a very strong, senior level engineering team and help to develop challenging new products in the financial space.
  • This job is a hybrid role with at 3 days in the office per week, which you can perform from our offices in Krakow and Gdansk.
  • We are seeking a React Developer to join CRD Front Office Trading department in building and maintaining large-scale enterprise applications. The role focuses on building robust, scalable and secure front-end solutions using React with some working knowledge of Java backend systems. The ideal candidate is comfortable working in large codebase, following enterprise development standards and collaborating across multiple teams.

responsibilities :


  • Design, develop and maintain enterprise-grade applications using React.js
  • Implement reusable, responsive, high-performance UI component employing frontend architecture patterns
  • Implement software programs, applications using Java
  • Integrate React applications with Java based backend services
  • Work closely with UX, backend, QA and DevOps teams in a structured enterprise environment
  • Participate in backend development tasks such as API integration, minor enhancements and bug fixes
  • Ensure application performance, security and scalability standards are met
  • Engage in the agile software development process and participate in code reviews, sprint planning and release activities
  • Write unit and automation tests to ensure a high-quality end product
  • Troubleshoot production issues and provide timely fixes

requirements-expected :


  • B.S. degree (or foreign education equivalent) in Computer Science, Engineering, Mathematics, and Physics or other technical course of study required. MS degree strongly preferred.
  • 2-4 yrs of experience developing Single Page Application (SPAs) using React
  • Experience with React Hooks and component-based architecture
  • Experience with JavaScript/Typescript, DOM, Modern CSS3
  • Experience with prominent React/JavaScript libraries including Redux and RxJS.
  • Familiarity with testing frameworks Jest, Playwright/Cypress, and Jasmine
  • Experience with object-oriented programming (JAVA and/or C#), relational (RDBMS) and non-relational databases
  • Experience integrating REST and WebSocket APIs
  • Knowledge of Azure, Micro Services, Micro-Frontend architecture will be a plus
  • Strong analytical and problem-solving mindset
  • Good written and verbal communication skills
  • Experience working in financial services will be a plus

offered :


  • Permanent contract from day one​
  • Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off)​
  • Gold Medical Package for employees and their families (partner and children)​
  • Premium life insurance package and private pension plan​
  • Wide range of soft skills training, technical workshops, language classes and development programs​
  • Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice​
  • Variety of well-being programs​
  • Additional benefits available depending on the seniority of the role

benefits :


  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • retirement pension plan
  • extra leave

  • Praca Kraków
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