Position Summary:

Avows is seeking an experienced, highly technical, and accomplished Senior React.js Developer with a minimum of 5 years of professional experience using React.js to join our banking and technology team onsite (WFO) in Jakarta, Indonesia, under a PKWT fixed-term contract. In this specialized frontend engineering role, you will spearhead designing, developing, testing, and scaling complex web applications, customer portals, and high-performance user interfaces for financial services. You will work closely with cross-functional product managers, UI/UX designers, and backend engineers to build responsive, secure, and intuitive web experiences powered by modern React ecosystems. Idóneo candidates bring a strong academic foundation in computer science, deep practical mastery of React.js architecture, and immediate availability for onsite deployment in Jakarta.

Detailed Job Description:

As a Senior React.js Developer at Avows in Jakarta, you will take full ownership of architecting and building scalable single-page applications and enterprise frontend dashboards. Your day-to-day responsibilities encompass developing clean, reusable React components, managing complex application state with Redux or Context API, integrating secure RESTful APIs, and optimizing frontend rendering performance. You will participate actively in Agile sprint planning, code reviews, mentoring junior developers, and conducting thorough cross-browser testing. Working in a collaborative onsite environment, you will translate intricate business logic into seamless user experiences while adhering strictly to enterprise security and accessibility standards.

Key Responsibilities:





- Design, develop, test, and deploy robust enterprise web applications and user interfaces using React.js.
- Architect scalable component hierarchies, custom hooks, and efficient state management solutions (Redux, Context API).
- Integrate secure RESTful APIs, WebSockets, and authentication mechanisms within frontend applications.
- Collaborate with cross-functional software engineering, product management, and UI/UX design teams in Agile sprints.
- Conduct rigorous code reviews, unit testing (Jest, React Testing Library), and performance profiling to ensure high quality.
- Troubleshoot, diagnose, and resolve production UI defects, rendering bottlenecks, and cross-browser compatibility issues.
- Maintain comprehensive technical documentation, component libraries, and frontend architecture diagrams.
- Optimize web performance metrics, bundle sizes, and page load speeds across all target devices.
- Ensure strict adherence to enterprise security guidelines, coding best practices, and project delivery timelines.

Required Qualifications & Skills:

- Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.




- Minimum 5+ years of professional software development experience specializing in frontend engineering and React.js.
- Deep hands-on professional expertise in React.js, modern JavaScript (ES6+), TypeScript, HTML5, and CSS3.
- Practical knowledge of state management libraries (Redux, Zustand, Recoil) and RESTful API integration.
- Proven ability to build responsive, mobile-first web applications and scalable component systems.
- Exceptional problem-solving, analytical, and cross-functional communication skills.
- Professional availability for onsite deployment (WFO) in Jakarta, Indonesia.
- Familiarity with PKWT fixed-term employment contract frameworks in Indonesia.

Nice-to-Have Skills:

- Experience with server-side rendering (SSR) frameworks such as Next.js or Remix.
- Familiarity with containerization tools (Docker) and CI/CD deployment pipelines.
- Prior working experience in banking, financial technology (fintech), or enterprise SaaS sectors.
- Contributions to open-source React libraries or active participation in frontend developer communities.
- Knowledge of web accessibility standards (WCAG) and advanced CSS preprocessors (Sass/LESS).

Application Information:

- Salary/Rate: Competitive and commensurate with experience
- Deadline: Open until filled
- Notice Period: Immediate to short notice preferred
- Contract Duration: PKWT (Fixed-Term Contract / Full-Time Onsite)

Recruitment Pro Tip:

When applying for senior React.js roles in the banking sector, ensure your resume explicitly highlights your experience with advanced state management, performance optimization, and scalable component architecture.

📌 Senior React.js Developer | Avows | Jakarta (Asia)
🏢 Tech Junction
📍 Asia