Senior Frontend / Full-Stack Engineer, Web Performance & Growth

Truelogic Software

Senior Software Engineer at Truelogic enhancing web performance and growth for a leading real estate technology platform. Focus on user experience and architectural excellence in a remote setup.

Posted 5/9/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

JavaScriptNext.jsNode.jsReactRubyRuby on RailsTypeScript

About the role

Key responsibilities & impact

End-to-End Leadership: Lead the design and delivery of complex web initiatives from ideation and architectural design through rollout and iteration.
Conversion Optimization: Drive improvements in user acquisition by optimizing browsing experiences and login flows (e.g., One Tap, FedCM, social authentication).
System Architecture: Architect and implement scalable, high-performance frontend systems using React and Next.js.
Performance Engineering: Identify and execute opportunities to improve site performance, focusing on Core Web Vitals, Lighthouse scores, and advanced data-fetching strategies.
Data-Driven Growth: Define and implement A/B testing, feature flags, and progressive rollouts to inform product decisions with real-time data.
Observability & Analytics: Elevate tracking, telemetry, and error monitoring to provide deep visibility into user behavior and system reliability.
Cross-Functional Collaboration: Partner closely with Product, Design, and Data teams to shape the roadmap and prioritize high-impact work.
Platform Enhancement: Contribute to SEO strategies and content platform improvements, including CMS integrations and structured data.
Mentorship: Raise the bar for code quality and engineering practices by mentoring other engineers and improving developer experience.

Requirements

What you’ll need

Experience: 5+ years of experience building modern, large-scale web applications.
Core Stack: Strong expertise in TypeScript, React, and Next.js.
Web Performance Mastery: Deep understanding of Core Web Vitals, SSR/CSR tradeoffs, caching, and Lighthouse optimization.
Growth Engineering: Proven experience designing and running A/B tests and managing gradual feature rollouts.
Data Systems: Strong experience with analytics, tracking, and telemetry systems.
Full-Stack Familiarity: Experience working across the stack (Node.js and/or Ruby on Rails) and integrating with complex APIs.
Architectural Vision: Ability to make high-level decisions that balance speed, scalability, and maintainability.
Nice-to-Have: Experience with modern authentication (OAuth, Google One Tap, FedCM).
SEO: Knowledge of technical SEO best practices.
Observability: Experience with platforms like Datadog or similar error-monitoring tools.
Content Management: Familiarity with headless CMS platforms like Contentful.
DevEx: Experience improving developer tooling, documentation, and internal workflows.

Benefits

Comp & perks

100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.
Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.
Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.
Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.
Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies.
A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally.
Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America.
Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you're working with the best in your field.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptReactNext.jsA/B testingCore Web VitalsSSRCSRcachinganalyticstelemetry

Soft Skills

leadershipcollaborationmentorshipcommunicationproblem-solvingdecision-makingorganizational skillsadaptabilitycritical thinkingcreativity