Staff Software Engineer, Nexus SDK

Accountabilities: Take end-to-end ownership of designing, developing, and delivering new SDK features focused on improving reliability and developer experience.

Build and evolve Nexus interfaces across multiple SDKs, enabling developers to compose, invoke, and integrate durable workflows effectively.

Design runtime behaviors that allow applications to execute reliably, manage durable state transitions, and coordinate seamlessly with backend systems.

Develop language-specific integrations that leverage the strengths of different programming languages, type systems, and runtime environments.

Create foundational capabilities supporting emerging application patterns, including advanced workflow execution, asynchronous processing, and AI-driven systems.

Collaborate closely with SDK engineers, open-source contributors, and internal teams to deliver consistent experiences across programming ecosystems.

Engage directly with the developer community to troubleshoot complex technical issues, gather feedback, and improve SDK functionality.

Write clear, publicly accessible technical documentation explaining concepts, APIs, and best practices.

Contribute to open-source software development by creating maintainable, well-tested, and production-ready code.

Participate in team collaboration activities, including occasional in-person events and engineering discussions.

Requirements:

7+ years of experience building production software, particularly highly scalable distributed systems.

Strong computer science fundamentals with deep knowledge of distributed systems, concurrency, multithreading, and reliable application design.

Advanced programming experience in languages such as Go, Java, Python, TypeScript, .NET, Rust, Ruby, or similar technologies.

Strong expertise in at least two programming languages among Python, TypeScript, .NET, Ruby, and Rust.

Experience designing APIs, SDK libraries, developer platforms, or open-source software systems.

Proven ability to build reliable, well-tested systems with a focus on quality and maintainability.

Strong understanding of programming language runtimes, application execution models, and developer tooling.

Ability to solve complex technical challenges independently while collaborating effectively with distributed teams.

Excellent written communication skills with experience creating technical documentation and engaging with developer communities.

Passion for improving developer experiences and building tools that enable engineers to create better software.

Benefits:

Competitive compensation range of $176,000 - $237,000 USD , depending on experience, location, and qualifications.

Eligibility to participate in an equity plan.

Fully remote work environment with a globally distributed team.

Unlimited paid time off, plus company holidays and floating holidays.

100% premium coverage for medical, dental, and vision insurance.

Life insurance and short-term and long-term disability coverage.

401(k) retirement plan.

Annual work-from-home meal benefit.

Professional development and career growth support.

Lifestyle spending account for personal and wellness needs.

In-home office setup support in addition to company-provided equipment.

Internet reimbursement support.

Professional membership opportunities and learning resources.

Mental wellness support through access to wellness applications.

Opportunities to contribute to open-source projects used by a global developer community.

Occasional travel for company events, team gatherings, and meaningful collaboration opportunities.

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