Donnelley Financial Solutions (DFIN) · 1 day ago

Principal Software Engineer - Frontend SPA (Remote)

USA

Full-time

Remote

Senior Level

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 software developmentSecure coding standardsReduxRedux-SagaBrowser APIsImmutable data structuresREST APIFrontend test frameworksConcurrency operationsAlgorithm designMemory optimizationNode JSMicro-frontendsWebSocketsAdvanced HTTP protocolJavascript V8 GCService workersWeb workersWASMSignal RBrowser CanvasJavaC#PostgreSQLSQL ServerDocker