Senior Front-End Engineer (Remote to Onsite in BsAs) – Digital Agency

ABOUT TRUELOGIC

At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals.

Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference.

By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future.

OUR CLIENT

A premier independent digital creative agency headquartered in New York, operating at the intersection of design, technology, and strategy to build world-class digital products for top-tier global brands. Within the engineering community, they are highly regarded for their meticulous attention to design detail, rigorous standards for code purity, and an intensely collaborative work environment.

JOB SUMMARY

As a Senior Front-End Developer, you will drive the development and delivery of highly performant, scalable UI components and proprietary front-end implementations. This long-term role centers on crafting butter-smooth animations, enforcing strict accessibility standards at a massive scale, and pioneering the use of modern AI-assisted development tools to dramatically enhance code quality and velocity. The ideal candidate is an autonomous, detail-oriented professional with a passion for emerging UI trends, ready to thrive in a remote setting that will transition to an onsite model in Buenos Aires by mid-2027.

RESPONSIBILITIES

• Build performant, scalable, and cross-browser compatible UI components for high-profile global brands.

• Lead front-end initiatives and write clean, maintainable, and well-tested code.

• Craft pixel-perfect animations and highly interactive user experiences.

• Implement accessible web content, including ARIA, screen readers, and keyboard navigation at scale.

• Contribute to core libraries and proprietary development methodologies.

• Participate actively in code reviews and continuous skills development.

• Leverage AI tools such as Claude Code and GitHub Copilot as an integrated part of the daily software development lifecycle.

QUALIFICATIONS AND JOB REQUIREMENTS

• Currently a remote position, but requires a mandatory transition to working onsite in Buenos Aires starting in July 2027.

• 5+ years of experience in front-end web development with comprehensive mastery of HTML, CSS, and JavaScript.

• Proven ability to lead front-end projects independently with minimal oversight.

• Strong debugging, troubleshooting, and cross-browser/device testing skills.

• Practical experience and active daily usage of AI development tools like Claude Code, GitHub Copilot, or Cursor.

• Excellent verbal and written communication, coupled with strong time management skills.

• Ability to work EST/EDT timezone hours, starting remotely with an expected transition to an onsite setup in Buenos Aires in July 2027.

• Hands-on experience with modern JavaScript frameworks such as React, Svelte, or Vue is strongly preferred.

• Familiarity with build and version control tools, including Webpack, Gulp, Git, and Gitflow, is a plus.

• Experience with styling preprocessors and methodologies like Sass, Less, or CSS-in-JS is highly desired.

• Practical knowledge of web performance optimization techniques, including code splitting and layout/paint optimization, is preferred.

• Deep understanding of web accessibility standards, including ARIA, screen readers, and tab focus, is a significant adva