Client 360 Full-Stack Application Developer (React.js, Javascript, GraphQL), Assistant Vice President

State Street is a global organization serving institutional investors by managing risk and driving performance and profitability. The team is building a modern platform combining the agility of a start-up with the stability and funding of an industry leader, within an international and collaborative environment.

• Strong experience building service layers and APIs (REST, GraphQL) with secure and scalable design.
• Proficient in backend stacks: Node.js with Express/NestJS, TypeScript, Java with Spring Boot.
• Solid experience with React.js, modern JavaScript/TypeScript, component patterns, and API integration.
• Experienced with databases such as PostgreSQL, SQL Server, MySQL, MongoDB and data modelling.
• Strong analytical skills and ability to collaborate with stakeholders across functions and geographies.
• Excellent written and verbal communication skills in English.
• Minimum of 8-10 years of relevant experience.
• B.S. degree in Computer Science, Engineering, Mathematics, Physics, or related technical field; M.S. degree strongly preferred.
• Willingness to enter into an employment contract.

Services Layer / Backend (Primary Focus):

• Design, build, and maintain service-layer components (RESTful APIs and/or GraphQL), including domain services, orchestration, and integrations.
• Implement authentication/authorization, request validation, error handling, and consistent API contracts.
• Develop data access and persistence logic using SQL and/or NoSQL stores; optimize queries and data models for performance and reliability.
• Build integration patterns (event-driven, async messaging, batch, streaming) as needed using tools like Kafka/MQ.

UI / Front-End (React.js):

• Develop and maintain UI features using React.js, TypeScript, and modern state management patterns.

• Collaborate with design/UX to build reusable components, ensure accessibility, and deliver responsive experiences.

• Integrate the UI with backend services using well-defined API contracts; implement client-side validation and error handling.

• Strong testing discipline: unit testing and integration testing.

• Familiarity with CI/CD, code quality tools, and modern DevOps practices.

The role requires willingness to enter into a contract for employment. English language proficiency is mandatory. Equal Opportunity Employer policy applies, considering all qualified applicants without regard to protected characteristics.