Frontend(web) engineer

Sun Life Financial; Jakarta Pusat; On-site; IDR 180,000,000 - 280,000,000; Full time

Job summary

Sun Life Financial is seeking an experienced front-end developer to own architectural components of a large software system and collaborate across multiple teams. You will implement responsive interfaces, integrate with backend APIs, and maintain documentation and API contracts.

Strong English and Indonesian language skills are required. The role involves optimizing performance, participating in code reviews, and contributing to a shared component library while aligning with Sun Life's

Qualifications

• Bachelor degree
• Minimum 3-5 years of software development experience
• Demonstrated experience building and maintaining production-grade APIs and services
• Demonstrated working in complex multi-team environment
• Proficiency in English; Bahasa Indonesia.

Responsibilities

• Own the architectural component of a large software system
• Clean, update and refactor the application maintaining up to date documentation
• Participate in architectural meeting
• Participate in Information system security assessment

Skills

React

Vue.js

Angular

HTML5

CSS3

Responsive design

REST APIs

State management

Web performance

Git

CI/CD

Figma

Web security

Education

Bachelor degree

Job description

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do. At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful. When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives. Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description: Job description / Description du poste

Develop and maintain responsive web interfaces; implement UI components based on designs from the UI/UX designer, ensuring cross-browser compatibility and accessibility standards. Integrate web interfaces with backend APIs and services; collaborate with the backend engineer to define and consume API contracts, ensuring seamless data flow between client and server layers. Optimize web application performance including page load times, bundle sizes, and rendering efficiency; conduct regular profiling and implement improvements to meet SLI performance benchmarks. Participate in sprint ceremonies, code reviews, and technical planning; adhere to SLI front-end coding standards and contribute to shared component libraries used across the platform. Maintain accurate API documentation, system diagrams, and technical runbooks.

Preferred skills / Compétences particulières

• Proficiency in modern JavaScript frameworks: React, Vue.js, or Angular
• HTML5, CSS3, responsive design, and cross-browser compatibility
• Experience consuming RESTful APIs and working with JSON data structures
• State management libraries (e.g. Redux, Vuex, or equivalent)
• Web performance optimization techniques (lazy loading, code splitting, caching)
• Version control using Git; experience with CI/CD pipelines
• Familiarity with UI/UX design tools (Figma) and ability to translate designs into pixel-accurate interfaces
• Basic understanding of web security best practices (XSS prevention, CSRF protection)

Qualifications / Compétences

• Bachelor degree
• Minimum 3-5 years of software development experience
• Demonstrated experience building and maintaining production-grade APIs and services.
• demonstrated working in complex multi-team environment
• Proficiency in English; Bahasa Indonesia.

Responsibilities / Responsabilités

• Own the architectural component of a large software system
• clean, update and refactor the application maintaining up to date documentation
• participate in architectural meeting
• participate in Information system security assessment

At Sun Life, we cultivate a High-Performance, Caring Culture that empowers our people to achieve outstanding results, embrace continuous growth, and create meaningful impact. We succeed together by fostering an inclusive environment where wellbeing, collaboration, and accountability are equally valued.

Job Category: IT - Application Development

Posting End Date: 30/08/2026

Shine together At Sun Life, you can be your most brilliant self. Our supportive, flexible, and inclusive work environment is one where you – and your career – can thrive. Whatever your aspirations, collaborative leaders and colleagues are ready to help you learn, grow, and succeed. Make life brighter We’re a global company with a passion for people. Our purpose is to help Clients achieve lifetime financial security and live healthier lives. As a team of 30,000 across 26 countries, our impact is far-reaching, and locally relevant There’s power in numbers. As part of Sun Life’s growing team, you have an impact on people in your community and around the world. Shape the future With an optimistic eye on a brighter future, we drive to innovate. Be part of leading change, push boundaries and try new ways of working. Use data to drive bold actions. Be agile and pivot as we test and learn. At Sun Life, we’re driving transformation, sustainability and innovation for our Clients, employees, partners, and communities.

Join a top employer for a brighter future. Visit Sun Life Careers