About the company
A Japan-based technology company is creating innovative software products in the information technology and services sector. Working closely with the founding team and CTO, employees have the opportunity to shape products from an early stage and see their work make a direct business impact.
The company values ownership, thoughtful technical decision-making, practical problem-solving, and clear communication. Its remote-first environment supports independent contribution while encouraging close collaboration with domain experts, business leaders, and fellow engineers. This is an attractive opportunity for someone who enjoys working in a fast-paced setting, taking responsibility for meaningful technical challenges, and helping establish the foundations of an evolving product and engineering organization.
What the job entails
As a Rust Software Engineer, you will design, build, and maintain reliable software systems and data pipelines that support the company’s products. You will work closely with the founding team and CTO, taking meaningful ownership of technical decisions and contributing to the direction of the engineering platform.
Your responsibilities will include selecting appropriate algorithms and data structures, developing distributed systems, and working with event streaming, replicated data, networking, concurrency, and observability. You will contribute throughout the software development lifecycle, from early product development through production operations, monitoring, and continuous improvement.
This permanent, remote role is based in Japan and requires collaboration with domain experts in Japanese. It is well suited to an engineer who enjoys early-stage environments and wants to turn complex technical challenges into robust, impactful products.
Key requirements
Professional experience with Rust and proficiency in at least one programming language.
Strong understanding of computer science fundamentals, including algorithms and data structures.
Practical understanding of networking and concurrency in real-world systems.
Experience maintaining non-trivial distributed systems and data pipelines.
Knowledge of event streaming and consensus mechanisms for replicated data.
Experience with observability, monitoring, and tracing across service boundaries.
Strong problem-solving skills and a methodical approach to complex technical challenges.
Clear written and verbal communication skills.
Conversational-level Japanese for effective collaboration with domain experts.
Ability to work remotely from Japan with a high degree of ownership and autonomy.
Experience building products from 0 to 1 in an early-stage environment is advantageous.
Experience with agent-based systems, AWS, Infrastructure as Code, or multithreaded and asynchronous programming is a plus.