Senior Fullstack Software Developer

Job Description:

Remitly's vision is to transform lives with trusted financial services that transcend borders. Since 2011, we have been tirelessly delivering on our promises to people who send money around the world. Today, we are reimagining global financial services and building products that extend beyond traditional barriers to give customers access to more of the services they need, no matter where they call home. Join over 2,700 employees worldwide who are growing their careers with purpose and connection with our customers while having a positive impact on millions of people around the globe.

About the role:

Join us as a Senior Fullstack Software Developer on Remitly's Web Optimization Team! Our mission is to build scalable, high-performance web architectures that enhance search engine discoverability, improve user experience, and support organic growth. You’ll tackle technical challenges in SEO, content delivery, and web performance optimization at scale. This role reports to a Kraków-based Manager.

You Will:

• Design and implement large-scale web architectures to improve global performance and search engine discoverability.

• Optimize page speed, core web vitals, and other performance metrics across mobile and desktop platforms.

• Configure and manage CDNs (e.g., Cloudflare, Akamai, or others) to ensure scalability, reliability, and security.

• Implement and maintain SEO features like structured data, sitemaps, canonical tags, and hreflangs.

• Optimize dependency resolution and hydration by leveraging advanced tree-shaking, granular code-splitting with dynamic imports, streaming SSR, and partial rehydration to deliver modular, performant, and interactive web applications.

• Collaborate across teams (engineering, marketing, and product) to deliver scalable, SEO-friendly solutions.

You Have:

• 6+ years of software development experience with a focus on web performance and scalability.

• Proven ability to build and optimize large-scale web architectures.

• Strong understanding of server-side rendering (SSR), hydration, and web frameworks like React or Next.js.

• Good knowledge of backend programming languages such as Java or Golang

• Experience configuring and optimizing CDNs for performance and scalability.

• Expertise in technical SEO, including structured data, canonicalization, and search bot optimization.

• Proficiency in performance monitoring and observability tools (e.g., Lighthouse, WebPageTest).

Nice to have:

• Experience working in a corporate web environment or web agency specializing in high-scale systems.

• Experience with modern JavaScript bundlers such as Webpack, Vite, or Esbuild

• Familiarity with global web performance challenges and internationalization (i18n).

Compensation Details: The base salary range for this position is typically 300 000 PLN - 340 000 PLN gross yearly. Remitly employees are shareholders in our Company and equity is part of our total compensation plan. Your recruiter can share more information.

#LI-Hybrid

Remitly is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.