cosinetau
Principal Software Engineer and open source maintainer with 7+ years of full-stack, backend, distributed systems, and data/ETL experience seeking a senior-to-principal role.
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Principal Software Engineer and Open Source Maintainer with 7+ years of experience as a core contributor to open source platforms. I'm a versatile full-stack developer with deep experience in backend architecture, distributed systems, and building complete data/ETL pipelines. Beyond coding, I am focused on creating business value and bridging the gap between engineering and business. I've authored 10 comprehensive technical proposals for state government projects and led an organizational effort that slashed customer time-to-resolution by 75%. I'm looking for a senior to principal-level role where I can solve complex technical challenges and drive business value. Location: Seattle, WA Remote: Remote, Hybrid, Onsite Willing to relocate: No Technologies: * Cloud: AWS, GCP, Azure * Languages: PHP, Python, Go, JavaScript/Node.js, C/C++, Java * Data: PostgreSQL, MySQL, NoSQL, Snowflake, ETL, Data Warehousing * DevOps/Tools: Docker, Kubernetes, Git, Linux, Bash, Automation, Reliability, Testing, AI Engineering * Architecture: Distributed Systems, Microservices, Data Modeling, REST APIs Resume/CV: https://content.mashio.net/wp-content/uploads/2026/09/Walther-ResumeA.pdf Email: [email protected]
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