Donnelley Financial Solutions (DFIN) · 1 day ago

Principal Software Engineer - Frontend SPA (Remote)

USA

Full-time

Remote

Senior Level, Lead/Staff

6+ years exp

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Responsibilities

• Complex web frontend SPA development and architecture.

• Design and implement concise, modular, cohesive, frontend and backend services in a distributed system context that are resilient, efficient, and reliable.

• Ensure automated tests are highly effective in terms of software quality, refactor flexibility, and integration/delivery/build speed.

• Design, refactor, implement, or work within micro-frontend SPA(s).

• Optimize builds for speed and deterministic dependency management.

• Concurrent and asynchronous software design/development.

• Advanced asynchronous and resilient network communications design and implementation.

• Software development on complex, but potentially irreducible algorithms or combinatorials.

• Understand the basics of determinism, complexity classes, and resource constraints.

• Find ways to reduce/decompose complex software components along appropriate boundaries.

• When apparently irreducible problems are encountered and they resist beneficial decomposition (np-ness), find ways to simplify through approximation theory and quantization.

• Extensive usage of all aspects of observability systems from experienced instrumentation of code to well-designed queries, dashboards, and alerts.

• Data driven optimization of latency, compute, memory, storage, and network traffic.

• Maintain awareness of production system performance, errors, and code usage.

• Communicate with clarity with diagrams, documentation, and presentations to other developers, dev teams, SREs, and management.

• Optimize build, deployment, and IaC provisioning pipelines.

• Rigorous analysis of escaped defects to determine corrective actions with depth of insight.

• Communicate clearly via software architecture, embedded docs, or o11y.

• Design and develop defensively to maintain or increase security going beyond OWASP and zero trust patterns by truly understanding the area of the system being worked on.

• Rigorous and proficient review and clear feedback on pull requests by team members.

• Keep up with relevant technologies, techniques, tools, and patterns.

• Ensure the software is as simple as possible, but not simpler.

• Build software with people. Product managers, other developers, SREs, junior engineers, senior engineers, and offshore. Construct software that matters!

• Constantly address technical debt. Shine a light on it, even when it hurts.

• Participate in the planning of technical engineering and product roadmaps.

• Plan, lead, or manage projects when called upon to do so while remaining hands on.

Qualification

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TypescriptJavaScriptECMAScriptREACTFrontend developmentReduxRedux-SagaBrowser APIsImmutable data structuresREST APIFrontend test frameworksJavascript V8 GCService workersWeb workersWASMConcurrency operationsAsynchronous operationsAlgorithm designCombinatorial designMemory optimizationNode JSMicro-frontendsWebSocketsSignal RHTTP protocolJavaC#PostgreSQLSQL ServerDocker