Senior JavaScript Engineer (React/Next.js)

TL;DR

Senior JavaScript Engineer (React/Next.js): Developing and delivering new product features for a marketing automation engine with an accent on scalability and reliability. Focus on optimizing application performance, enhancing user experience, and collaborating with Product and Design teams to transform prototypes into high-quality solutions.

Location: Remote from Poland

Company

hirify.global is a company with a large marketing team, focused on 360º communication and robust automation engine, expanding its brand and introducing new products.

What you will do

• Develop and deliver new product features from concept to release.
• Maintain, improve, and refactor existing functionality.
• Continuously enhance product performance and user experience.
• Collaborate closely with Product and Design teams to iterate on ideas.
• Optimize application performance, including load time and runtime efficiency.
• Partner with engineering teams to align on architecture and shared initiatives.

Requirements

• 5+ years of professional experience building production-grade applications with TypeScript/JavaScript.
• Advanced experience with React, including modern rendering patterns (SSR, CSR, hydration, Server Components).
• Hands-on experience with Next.js.
• Experience building and maintaining reusable component libraries and design systems, including Web Components.
• Solid experience developing Single-Page Applications and scalable frontend systems.
• Strong foundation in modern CSS/SCSS and utility-first styling approaches.
• Deep understanding of client-side architecture (state management, data synchronization, form handling, validation patterns).
• Ability to write maintainable, testable, and reliable code.

Culture & Benefits

• Play a crucial role in the upcoming phase of brand growth.
• Work in a collaborative, Git-based environment.
• Opportunity to take ownership of work and proactively address dependencies.
• Encourages curiosity, continuous learning, and knowledge sharing.

Hiring process

• Artificial intelligence (AI) tools may support parts of the hiring process.
• Final hiring decisions are ultimately made by humans.