Technical lead - JavaScript, React.js, Java

o Strong experience with Java, Jakarta EE / Servlet API, and Spring frameworkProficiency in React.js and modern JavaScript/TypeScript. o Experience with Jackson (JSON processing), Apache POI (Excel/Office file handling), Log4j2 (logging), Hibernate Validator, and connection pooling (HikariCP). o Familiarity with file upload handling (Commons FileUpload). o Experience with legacy-to-modern framework migrations is a strong plus. o Familiarity with Spring Boot is a plus, as this will be a future migration target for the platform. React Skill Set Core React Skills o JavaScript (ES6+) and/or TypeScript. o React fundamentals: components, JSX, props, state. o React Hooks (useState, useEffect, useContext, useMemo, useCallback, custom hooks). o Component lifecycle and rendering optimization. o State management (Context API, Redux, Zustand, or similar). o React Router (client-side routing/navigation).

Key Responsibilities

o Strong experience with Java, Jakarta EE / Servlet API, and Spring frameworkProficiency in React.js and modern JavaScript/TypeScript. o Experience with Jackson (JSON processing), Apache POI (Excel/Office file handling), Log4j2 (logging), Hibernate Validator, and connection pooling (HikariCP). o Familiarity with file upload handling (Commons FileUpload). o Experience with legacy-to-modern framework migrations is a strong plus. o Familiarity with Spring Boot is a plus, as this will be a future migration target for the platform. React Skill Set Core React Skills o JavaScript (ES6+) and/or TypeScript. o React fundamentals: components, JSX, props, state. o React Hooks (useState, useEffect, useContext, useMemo, useCallback, custom hooks). o Component lifecycle and rendering optimization. o State management (Context API, Redux, Zustand, or similar). o React Router (client-side routing/navigation). Skill Requirements o Strong experience with Java, Jakarta EE / Servlet API, and Spring frameworkProficiency in React.js and modern JavaScript/TypeScript. o Experience with Jackson (JSON processing), Apache POI (Excel/Office file handling), Log4j2 (logging), Hibernate Validator, and connection pooling (HikariCP). o Familiarity with file upload handling (Commons FileUpload). o Experience with legacy-to-modern framework migrations is a strong plus. o Familiarity with Spring Boot is a plus, as this will be a future migration target for the platform. React Skill Set Core React Skills o JavaScript (ES6+) and/or TypeScript. o React fundamentals: components, JSX, props, state. o React Hooks (useState, useEffect, useContext, useMemo, useCallback, custom hooks). o Component lifecycle and rendering optimization. o State management (Context API, Redux, Zustand, or similar). o React Router (client-side routing/navigation).

Other Requirements

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