[Remote] Senior Software Engineer, Open Source Nexus SDK

Note: The job is a remote job and is open to candidates in USA. Temporal is an open source programming model on a mission to simplify code and enhance developer experience. As a Senior Software Engineer, you will build and evolve Nexus interfaces for Temporal SDKs, ensuring developers can easily integrate durable workflows and collaborate with the community to enhance open-source software. Responsibilities • Take end-to-end ownership of new features, working with others in the Nexus and OSS teams to deliver exceptional reliability and a great developer experience • Design and build Nexus interfaces for the Temporal SDKs used by customers to work with Temporal in their programming language of choice • Tightly integrate Temporal SDKs with their respective languages, making best use of type systems and language runtimes, to execute application code in a durable, deterministic way • Develop features that provide a foundation for the reliable execution of the current wave of agentic AI systems. Be a part of the fundamentals, instead of a part of the trend! • Work directly with our community to debug issues that need expert attention, and get feedback on Temporal SDK features and APIs • Write publicly-readable technical documentation describing Temporal concepts and APIs • Travel to meet your coworkers for a week once or twice a year Skills • At least 6 years of experience in a production environment as an 'Arranger' and/or 'Builder/Enhancer' of highly scalable distributed systems • Solid computer science fundamentals in distributed systems concepts including multi-threading and concurrency • Experience writing concurrent code in production with languages like Go, Java, Python, Typescript, .NET or other applicable languages with skill level as 'high end of Intermediate' and/or 'Advanced' or 'Expert' levels • Experience designing APIs, SDK libraries or working with Open Source Systems Benefits • Unlimited PTO, 12 Holidays + 2 Floating Holidays • 100% Premiums Coverage for Medical, Dental, and Vision • AD&D, LT & ST Disability, and Life Insurance (Standard & Supplemental Available) • Empower 401K Plan • Additional Perks for Learning & Development, Lifestyle Spending, In-Home Office Setup, Professional Memberships, WFH Meals, Internet Stipend and more! • Paid Time Off (PTO) and Benefits outside the United States vary by country, and are issued in partnership with Remote.com. • $3,600 / Year Work from Home Meals • $1,800 / Year Professional Enrichment (Career Development & Professional Memberships) • $1,200 / Year Lifestyle Spending Account • $1,000 / Year In-Home Office Setup (In addition to Temporal issued equipment - laptop, monitor, keyboard, mouse, trackpad, and extension power cable at no cost to you) • $74 / Month Reimbursement for Internet • Calm App Subscription for Mental Health & Wellness Company Overview • Temporal Technologies provides an open-source platform that simplifies the development of scalable and resilient applications. It was founded in 2019, and is headquartered in Bellevue, Washington, USA, with a workforce of 201-500 employees. Its website is Company H1B Sponsorship • Temporal Technologies has a track record of offering H1B sponsorships, with 11 in 2025, 4 in 2024, 8 in 2023, 8 in 2022, 2 in 2021, 1 in 2020. Please note that this does not guarantee sponsorship for this specific role. Apply tot his job