Staff / Principal Frontend Engineer

Founded to transform retail finance, Ajaib Group is an Indonesian fintech unicorn breaking barriers to financial access. Having recently secured a $270M Series C - the single largest funding round in Southeast Asia over the past four years - we are backed by premier global investors including Y Combinator, Ribbit Capital, SoftBank, and SBI Holdings.

To build world-class products, we assemble world-class talent. Supported by our fully remote work arrangement, our team spans Eastern Europe, the Middle East, India, and Southeast Asia, allowing you to work with brilliant engineers and builders from around the globe from wherever you are. We operate with an impact-driven purpose where everyone is the owner of our customers' satisfaction. Driven by a growth mindset and a fierce will to win, we refuse to settle and constantly push engineering boundaries.

The Opportunity & Scope

As a Staff / Principal Frontend Engineer at Ajaib, you represent the highest level of technical authority for front-end development, specializing in high-performance cross-platform desktop applications (Tauri/Electron) and web platforms. You will lead cutting-edge architectural designs, drive operating system-level optimizations, establish testing standards, and mentor senior engineering talent across the organization.

Key Responsibilities

• Lead the design and development of cutting-edge front-end and cross-platform desktop architectures that elevate user engagement and set new industry standards.
• Drive technical decisions and best practices for desktop application architecture, memory performance, and runtime reliability.
• Mentor and support junior and senior engineers, fostering a culture of technical excellence and continuous improvement within the team.
• Collaborate closely with cross-functional teams and backend engineers to create and implement effective end-to-end testing, integration, and performance solutions.
• Advocate for and implement industry best practices in front-end development, contributing to Ajaib's reputation as a leader in quality engineering.
• Continuously assess and optimize front-end/desktop build processes, application packaging, distribution channels, and CI/CD pipelines.
• Utilize AI tools critically with a "human-in-the-loop" framework to accelerate delivery without compromising application security or code architecture.
• Education: Bachelor's or master's degree in Computer Science, Software Engineering, or a related field from a recognized institution.
• Experience: Proven, extensive experience in advanced front-end and desktop application development, with a strong focus on automation, testing, and complex state management.
• Desktop Frameworks: Deep hands-on experience building production-grade desktop applications using Tauri, Electron, or similar native container frameworks.
• OS-Level Mastery: Sound understanding of desktop application concepts, IPC (Inter-Process Communication), security boundaries, and OS-specific behaviors, particularly across macOS and Windows.
• Automated Testing: Solid experience with automated testing frameworks for JavaScript/TypeScript and native desktop applications (unit, integration, and E2E testing).
• Nice-to-Haves: Working knowledge of Rust (especially for Tauri backends), CI/CD distribution pipelines, application binary packaging, and modern web frameworks (React, Next.js).
• Performance Bonus - Get rewarded for the impact you make
• Private Insurance - Comprehensive health coverage for you
• Paid Time Off - Take the time you need to recharge and come back stronger
• Learning & Development - Company-sponsored training, courses, and professional certifications
• Hybrid Work Arrangement - Enjoy the flexibility of working both remotely and from the office
• Career Growth - Work closely with experienced leaders and take on meaningful ownership as we scale
• Employee Perks - Enjoy exclusive discounts, partnerships, and lifestyle perks
• Collaborative & High-Ownership Culture - Work with smart, driven people in cross-functional teams, take ownership, and make a meaningful impact for our users.