Travel and foreign exchange can easily become a headache, especially when hidden fees and slow legacy systems drain your wallet. Bjak is changing that with their Doit financial ecosystem. We want someone who gets excited about clean code, high-throughput architectures, and intuitive mobile solutions to step up as our Lead Engineer for the Travel FX App. This is a fully remote, worldwide opportunity where you can collaborate with a global team across twenty nationalities without leaving your favorite workspace. If you want to build cutting-edge fintech products that touch millions of lives and push the limits of modern software, this is where you belong.
Overview
Bjak established Southeast Asia's leading mobile-first insurance platform back in 2019, fundamentally changing how consumers secure coverage online. Now, our mission expands across every corner of personal finance. Through Doit, we are reinventing how people spend, save, invest, and exchange currencies when they travel. We leverage artificial intelligence and modern cloud systems to make cross-border finance genuinely effortless. As a Lead Engineer, you will own the architectural vision and day-to-day technical execution for our Travel FX platform.
Key Responsibilities
Day to day, you will blend hands-on engineering with technical leadership.
- Architect, build, and maintain scalable systems capable of processing high-volume foreign exchange transactions in real time.
- Take direct technical ownership of the Travel FX App, guiding architectural choices from early concept to production launch.
- Collaborate with product designers, mobile engineers, and data teams to deliver seamless cross-border financial experiences.
- Elevate engineering standards across the board through rigorous code reviews, mentoring, and system design sessions.
- Ensure rock-solid security, top-tier reliability, and strict compliance across our financial services tech stack.
- Diagnose complex bottlenecks and performance issues quickly across distributed architectures.
Requirements
We are searching for someone who brings deep technical know-how and genuine passion for building great products.
- Strong background leading technical initiatives and architecting resilient consumer-facing mobile or backend applications.
- Deep proficiency with modern backend languages such as Go, Node.js, Java, or Python, alongside cloud infrastructure like AWS or GCP.
- Solid grasp of microservices, distributed transaction processing, and event-driven architectures.
- Proven track record working with payment gateways, FX systems, or related fintech infrastructure.
- Natural ability to mentor other engineers and translate product ambitions into scalable technical roadmaps.
- Self-driven work ethic suited for a fast, autonomous, distributed remote environment.
What You Will Gain
Working here means joining a mission-driven crew with zero patience for bureaucracy or the status quo.
- The flexibility of a 100% remote work setup from anywhere on the globe.
- The autonomy to drive technical choices and build systems from the ground up without red tape.
- Direct collaboration with a brilliant, multidisciplinary team representing more than 20 nationalities.
- Competitive compensation and the opportunity to make an immediate impact on millions of active users.
- An energetic environment that rewards curiosity, bold thinking, and technical mastery.
How to Apply
Click the apply button below to view the full job details and submit your application directly through the employer's official page.

