Senior Fullstack Software Developer

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 Software Development Engineer 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:

• 4+ 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).

Our Benefits:

• Equity in the company - RSUs
• Employee Stock Purchase Plan (ESPP)
• min. 26 days paid holidays + additional company's days off
• Royalties
• Hybrid work arrangements - 50 % per month from the office in a Kraków City Centre
• Commuting to work expense/remote work expenses reimbursement
• Health/Dental Coverage - LUX MED VIP for employee and family
• Life Insurance
• Travel insurance for employee and family
• Sodexo Lunch Card/Multisport
• Education / Conferences Budget
• Equipment of your choice
• Mental health program for employee and their dependents
• Family planning program
• Employee Pension Plan (PPK)
• Headphones Reimbursement
• Referral bonus scheme

We are committed to nondiscrimination across our global organization and in all of our business operations. Employment is determined based upon personal capabilities and qualifications without discrimination on the basis of race, creed, color, religion, sex, gender identification and expression, marital status, military status or status as an honorably discharge/veteran, pregnancy (including a woman's potential to get pregnant, pregnancy-related conditions, and childbearing), sexual orientation, age (40 and over), national origin, ancestry, citizenship or immigration status, physical, mental, or sensory disability (including the use of a trained dog guide or service animal), HIV/AIDS or hepatitis C status, genetic information, status as an actual or perceived victim of domestic violence, sexual assault, or stalking, or any other protected class as established by law.

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