Backend Engineer (Swift)

Backend Engineer (Swift)

W2 Contract

Pay Rate: $60 - $70 per hour

Location: Cupertino, CA - Remote Role

Job Summary:

We are looking for a highly experienced Swift backend engineer to help build and evolve modern server-side Swift infrastructure and ecosystem tooling. This is a deeply technical engineering role focused on backend systems, concurrency, observability, database drivers, and platform-level development.

Duties and Responsibilities:

• Build and maintain high-performance server-side Swift services and infrastructure


• Design and improve Swift backend ecosystem packages and tooling


• Modernize database drivers and backend integrations


• Develop concurrency-heavy backend systems using modern Swift concurrency patterns


• Improve observability, diagnostics, logging, tracing, and monitoring capabilities


• Work on scalable distributed backend systems and platform services


• Contribute to backend architecture, reliability, and performance optimization


• Collaborate with globally distributed engineering teams across multiple time zones


• Operate independently on large technical initiatives with minimal oversight

Requirements and Qualifications:

• Strong professional experience with backend/server-side Swift development


• Deep expertise in Swift concurrency: async/await, actors, task groups, structured concurrency, Sendable, and actor isolation


• Strong backend engineering and distributed systems fundamentals


• Experience building scalable, production-grade backend services


• Experience debugging concurrency, threading, and performance issues


• Strong understanding of networking, asynchronous processing, and backend architecture


• Experience designing maintainable APIs, packages, and infrastructure components


• Comfortable working independently in remote/distributed environments


• Strong problem-solving and debugging skills


• Ability to take ownership of work with minimal handholding

Preferred Qualifications:

• Experience with SwiftNIO, Vapor, AsyncHTTPClient, or related server-side Swift frameworks


• Experience building database drivers or infrastructure libraries


• Observability experience: OpenTelemetry, metrics, tracing, structured logging, and PrometheGrafana


• Experience with distributed systems and event-driven architectures


• Experience contributing to open-source projects


• Experience working on platform engineering or infrastructure engineering teams


• Linux backend deployment experience


• CI/CD and cloud infrastructure experience


• Experience optimizing backend system performance and reliability


• Prior experience working within the Swift open-source ecosystem is a strong plus

Bayside Solutions, Inc. is not able to sponsor any candidates at this time. Additionally, candidates for this position must qualify as a W2 candidate.

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