Associate, Frontend Software Engineer (React) - SpiderRock Advisors

BlackRock•Chicago, IL

1d•$120,000 - $148,000•Hybrid

About The Position

BlackRock is seeking a Frontend Software Engineer to build and enhance an internal platform supporting operations, sales, and portfolio management workflows. The role involves creating intuitive user experiences that enable investment professionals to analyze data, manage strategies, and make informed decisions. The engineer will work on complex, business-critical applications in a fast-paced environment and partner with cross-functional teams to deliver impactful technology. The role combines the scale and stability of a global firm with the ownership and innovation of a product-driven engineering team. The position focuses on designing and building complex, workflow-driven user interfaces with TypeScript and React, while improving engineering practices, application performance, maintainability, and architectural consistency. The engineer will take ownership of parts of a SaaS product, including production monitoring and incident resolution, and collaborate with stakeholders to deliver business-critical enhancements.

Requirements

Strong expertise in TypeScript and React.
Expertise building and maintaining tooling for TypeScript projects, such as build systems, testing frameworks, and developer workflows.
Experience building large-scale, production-grade front-end applications.
Deep understanding of UI architecture, state management, and performance optimization.
Experience designing intuitive applications that turn complex, real-time data into clear, actionable user experiences, with a strong focus on user productivity.
Demonstrable experience building modern software using engineering tools such as Git, unit testing and integration testing tools, and mocking frameworks.
Background building high-quality software using design-focused and test-driven approaches.
Strong analytical and software design skills, with an emphasis on writing well-tested code.
Ability to form positive relationships with partnering teams, sponsors, and user groups.

Nice To Haves

Familiarity with visual regression testing and unit testing.
Knowledge of functional programming, including RxJS.
Experience working with REST APIs and WebSockets.
Understanding of financial markets and industry workflows.

Responsibilities

Contribute to continuous improvement of engineering practices, including CI/CD, automated testing, and best practices.
Design and build complex, workflow-driven user interfaces using TypeScript and React.
Drive performance optimization, maintainability, and architectural consistency across applications.
Collaborate with cross-functional stakeholders to deliver business-critical enhancements.
Take ownership of parts of a SaaS product, including production monitoring and incident resolution.
Build and maintain tooling for TypeScript projects, such as build systems, testing frameworks, and developer workflows.