Staff Software Engineer, Core Services (Ingestion)

**About the company:** Treasure Data Minato-ku, Tokyo Treasure Data is the only enterprise Customer Data Platform that harmonizes an organization’s data, insights, and engagement technology stacks to drive relevant, real-time customer experiences throughout the entire customer journey. **Responsibilities:** Lead the design and evolution of large-scale ingestion architectures supporting multi-fold traffic growth Own complex, cross-service initiatives that span multiple teams or domains Anticipate scaling, reliability, and cost challenges before they impact customers Set technical direction for major subsystems and influence broader platform architecture Drive improvements in operational excellence, incident response, and system observability Partner closely with engineering leadership, product, and customer-facing teams on strategic initiatives Serve as a technical mentor and multiplier, elevating the skills and effectiveness of engineers across the organization Participate in on-call rotations with a focus on systemic fixes rather than tactical responses Requirements Have 6+ years of professional software engineering experience Have led the design and operation of distributed systems handling high-volume, mission-critical workloads Think in terms of system behavior, failure modes, and long-term tradeoffs—not just features Are comfortable making and defending architectural decisions with significant business impact Communicate complex technical ideas clearly to both technical and non-technical stakeholders Are fluent in Kotlin/Java ecosystems and experienced with AWS-based architectures Business-level English proficiency Nice to haves While not specifically required, tell us if you have any of the following. Deep experience with large-scale streaming platforms or ingestion pipelines Experience driving platform evolution through multiple generations of scale Proven ability to reduce infrastructure cost while increasing reliability Experience influencing technical direction beyond a single team APPLY FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION Meet Treasure Data's Developers Scaling ML Algorithms for Enterprise with David Landup David discusses how he enjoys switching hats between ML and software, and why he finds Treasure Data’s “extensive ecosystem” so much fun. Read their story... Overcoming Imposter Syndrome at Treasure Data with Tyler Welsh Tyler is a software engineer at Treasure Data working on their Data Clean Room product. He talks about how Treasure Data supports their team’s learning and growth, and how they invest in the quality and performance of their services. Read their story... **Requirements:** Have 6+ years of professional software engineering experience Have led the design and operation of distributed systems handling high-volume, mission-critical workloads Think in terms of system behavior, failure modes, and long-term tradeoffs—not just features Are comfortable making and defending architectural decisions with significant business impact Communicate complex technical ideas clearly to both technical and non-technical stakeholders Are fluent in Kotlin/Java ecosystems and experienced with AWS-based architectures Business-level English proficiency **Nice to have:** While not specifically required, tell us if you have any of the following. Deep experience with large-scale streaming platforms or ingestion pipelines Experience driving platform evolution through multiple generations of scale Proven ability to reduce infrastructure cost while increasing reliability Experience influencing technical direction beyond a single team APPLY FOR THIS POSITION DO YOU NEED MORE INFO? ASK A QUESTION Meet Treasure Data's Developers Scaling ML Algorithms for Enterprise with David Landup David discusses how he enjoys switching hats between ML and software, and why he finds Treasure Data’s “extensive ecosystem” so much fun. Read their story... Overcoming Imposter Syndrome at Treasure Data with Tyler Welsh Tyler is a software engineer at Treasure Data working on their Data Clean Room product. He talks about how Treasure Data supports their team’s learning and growth, and how they invest in the quality and performance of their services. Read their story...