Full-Stack Developer (React + Java), Officer
State Street1 day ago
Kraków, Poland or Gdańsk, PolandMid Level / Senior
Responsibilities
- Design, develop, and maintain enterprise applications using React.js and Java.
- Build reusable, responsive, and high-performance UI components using front-end architecture patterns.
- Integrate React applications with Java-based backend services and contribute to API integration, minor enhancements, and bug fixes.
- Collaborate with UX, backend, QA, and DevOps teams in an enterprise development environment.
- Ensure application performance, security, and scalability standards are met.
- Participate in software development activities including code reviews, sprint planning, release activities, and other agile processes.
- Write unit and automation tests and troubleshoot production issues with timely fixes.
- Provide engineering troubleshooting assistance to customer support and other development teams.
Requirements
- Bachelor’s degree or foreign education equivalent in Computer Science, Engineering, Mathematics, Physics, or another technical discipline.
- 2–5 years of experience working with React and Java.
- Experience with React Hooks, component-based architecture, JavaScript or TypeScript, DOM, and modern CSS3.
- Experience with React and JavaScript libraries including Redux and RxJS.
- Experience with object-oriented programming using Java and/or C#, relational and non-relational databases, and REST and WebSocket API integration.
- Strong analytical, problem-solving, written communication, and verbal communication skills.
- A master’s degree is strongly preferred.
- Knowledge of Azure, microservices, and micro-frontend architecture is a plus.
- Experience in financial services is a plus.
Benefits
- Permanent contract from day one.
- Hybrid work arrangement requiring at least three days per week in the office, with locations in Krakow and Gdansk.
- Additional holidays including Birthday Day Off and third- and fifth-year anniversary days off.
- Gold medical package for employees and their families.
- Premium life insurance package and private pension plan.
- Soft-skills training, technical workshops, language classes, and development programs.
- Opportunities to volunteer through company initiatives, employee networks, or organizations of choice.
- Well-being programs, flexible work-life support, paid volunteer days, and employee networks.
- Additional benefits may depend on role seniority.
Tech Stack
Categories
About State Street
State Street is a global custodian bank and asset manager serving institutional investors with investment servicing, fund accounting, trading/FX, data, and index/active strategies. Its products include State Street Global Advisors’ funds and ETFs, the Charles River Investment Management Solution, and the front-to-back State Street Alpha platform. Founded in 1792 and headquartered in Boston, the company is publicly traded on the NYSE (ticker: STT) and operates across major markets worldwide.