15h Left: Senior Front-End Engineer

Job Description

Must have skills required :

Next.js, React17+, Vercel, JavaScript, LESS, SASS, TypeScript

Good to have skills :

Babel, E-Commerce, Google Analytics, Redux, Tailwind, Webpack

Solara6 (One of Uplers Clients) is Looking for:

Senior Front-End Engineer who is passionate about their work, eager to learn and grow, and who is committed to delivering exceptional results. If you are a team player, with a positive attitude and a desire to make a difference, then we want to hear from you.

Role Overview Description

We seek a seasoned Senior Front-End Engineer to lead the development of next-generation e-commerce solutions, including high-performance web applications, Progressive Web Apps (PWA), and hybrid mobile experiences. This role combines hands-on coding with technical leadership, driving innovation while collaborating with distributed teams to deliver cutting-edge solutions for global brands.

The Team

Join a globally distributed engineering team (50+ engineers) with developers, architects, and QA specialists in Europe and cross-functional partners (PMs, solution engineers, sales) in the U.S. We build blazing-fast, scalable applications using modern technologies like React, Next.js, and advanced web architectures.

Key Responsibilities

- Collaborate with cross-functional teams (including U.S.-based PMs/sales) to align technical work with client expectations.

- Lead end-to-end development of large-scale projects, including full-site rebuilds and feature enhancements.

- Collaborate with product managers and architects to design and implement scalable front-end solutions aligned with business goals.

- Write clean, reusable code with a focus on performance, testing, and maintainability.

- Optimize applications for speed, scalability, and Core Web Vitals (e.g., LCP, FID, CLS).

- Mentor junior engineers and contribute to architectural discussions around state management, caching, and deployment.

- Troubleshoot and resolve complex technical issues in collaboration with support teams.

- Maintain project documentation and track progress using Jira/Confluence.

Required Skills & Experience

- Strong communication skills in English (written and verbal)

- Ability to collaborate effectively with global teams, explain technical concepts to non-technical stakeholders, and participate in client-facing discussions.

- 5+ years of front-end development experience, including 2+ years in a senior role.

- Expertise in React 17+, Next.js, and modern JavaScript/TypeScript.

- Proficiency in REST API integration and performance optimization (CDNs, caching, code splitting).

- Strong knowledge of CSS preprocessors (SASS, LESS) and responsive/mobile-first design.

- Experience with server-side rendering, static site generation, and build tooling (Webpack, Babel).

- Familiarity with CI/CD pipelines, cloud platforms (AWS, Vercel), and testing frameworks.

- Solid understanding of e-commerce concepts and analytics tools (Google Analytics, GTM).

Preferred Qualifications

- Experience with Shopify (custom apps, Hydrogen framework, OAuth flows) or other e-commerce platforms (SFCC, BigCommerce).

- Knowledge of utility-first CSS (Tailwind) and modern state management (Redux, Zustand).

- Exposure to headless CMS, composable commerce, or authentication solutions (NextAuth.js).

- Familiarity with Next.js App Router, React Server Components, or edge computing.

What We Offer

- Remote work with a flexible schedule.

- Opportunities to shape architectural decisions and mentor peers.

- Exposure to Fortune 500 brands and cutting-edge web technologies.

Apply If You...

- Are a proactive communicator who can articulate ideas clearly in English and work empathetically with diverse teams.

- Thrive in collaborative, cross-functional environments.

- Balance technical excellence with pragmatic problem-solving.

- Are passionate about pushing the boundaries of front-end development.

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