Full-Stack Developer - Part-Time

Responsibilities:

Expert-level frontend knowledge with junior-to-mid-level backend capabilities.

Required Frontend Technical Skills
· Expert-level Typescript React 19 experience, demonstratingdeep understanding of
hooks, context, and component lifecycle. Strong proficiency in Redux, ReduxToolkit (RTK), and RTK Query for state management and data fetching.
· Expert-level knowledge of modern web technologies: MicroFrontend (MFE) architecture (Module Federation, Single-SPA), advanced HTML5,semantic markup, and expert-level CSS3 (Flexbox, Grid, responsive design,CSS-in-JS like Styled Components, Emotion).
· Strong command of modern JavaScript/TypeScript (ES6+), frontend build tools(Webpack, Vite), and testing frameworks (Jest, React Testing Library, Cypress,
Playwright).
· Proven expertise in performance optimization (code splitting, lazy loading)and practical application of design systems and component libraries (e.g.,Storybook) for consistency and efficiency across frontend engineering.

Required Backend Technical Skills
· Strong proficiency in Java (Java 21) withdeep understanding of core concepts, coupled with expert-level Spring Bootframework knowledge (MVC, Data, Security, Cloud).
· Strong understanding of modulith/microservices patterns and best practices,
alongside experience with relational databases (e.g., MariaDB,PostgreSQL) and SQL optimization.
· Strong knowledge of RESTful API design principles and experience with messagequeues (Kafka, IBM MQ, etc.).
· Proven expertise in unit testing and integration testing (JUnit, Mockito,Karate), and a strong understanding of design pa􀆩erns and SOLID principles.

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“This is in partnership with the Employment andEmployability Institute Pte Ltd (“e2i”).

e2i is the empowering network for workers andemployers seeking employment and employability solutions. e2i serves as abridge between workers and employers, connecting with workers to offer jobsecurity through job-matching, career guidance and skills upgrading services,and partnering employers to address their manpower needs through recruitment,training, and job redesign solutions. e2i is a tripartite initiative of theNational Trades Union Congress set up to support nation-wide manpower andskills upgrading initiatives. By applying for this role, you consentto Quesscorp Singapore’s PDPA and e2i’s PDPA.”