Senior Software Development Engineer (Fullstack)

Job Description:

About the Role:

Join us as a Senior Software Development Engineer (SDE III) on Remitlys Content Platform Team! Our mission is to build scalable high-performance web architectures that enhance search engine discoverability improve user experience and support organic growth. Youll handle complex technical challenges in SEO AEO (Answer Engine Optimization) content delivery and web performance optimization at scale. You will report to a Kraków-based Manager.

You Will:

• Lead the design and implementation of large-scale web architectures to improve global performance and search and answer engines discoverability.

• Oversee complex team-level projects end-to-end: clarifying requirements breaking work into parallel tasks and guiding teammates toward on-time delivery.

• Optimize page speed Core Web Vitals and other performance metrics across mobile and desktop platforms ensuring solutions are resilient extensible and scalable.

• Configure and manage CDNs (e.g. CloudFront Cloudflare or others) to ensure scalability reliability and security for high-traffic experiences.

• Implement and maintain SEO/AEO features like structured data sitemaps canonical tags and hreflangs ensuring our content platform sets a high technical standard.

• Drive and participate in technical design reviews for Content Platform systems making smart trade-offs that avoid unnecessary complexity and long-term risk.

• Collaborate across teams (engineering marketing and product) to deliver scalable SEO/AEO-friendly solutions that support Remitlys broader product and growth strategy.

• Mentor other engineers through code reviews design discussions and pairing raising the bar for code quality observability reliability and use of modern tooling

You Have:

• 6 years of software development experience with a focus on performance and scalability including leading delivery of complex features or projects within a team.

• Experience building and optimizing large-scale web architectures that are secure maintainable and scalable in a production environment.

• Strong understanding of server-side rendering (SSR) hydration and modern web frameworks such as React Remix or SvelteKit.

• Solid knowledge of backend programming languages such as Java Golang or similar and experience designing APIs and services that support web applications.

• Experience with cloud platforms and microservices including designing integrating and operating distributed services in production (e.g. AWS GCP or Azure).

• Proficiency in performance monitoring and observability tools and in using metrics/logs to diagnose and resolve production issues.

• Demonstrated technical leadership by driving technical documentation design and delivery across complex projects making trade-offs and mentoring engineers to improve team standards.

• Experience with modern software development practices including CI/CD code reviews and secure coding standards.

Good to have:

• Background building and operating high-scale web systems.

• Hands-on experience configuring and optimizing CDNs for performance and scalability in multi-region architectures.

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

• Solid grounding in SEO/AEO including structured data canonicalization and search bot optimization.

• Knowledge of headless CMS platforms (e.g. Contentful Sanity Strapi) and how to design content models and delivery APIs that support localization experimentation and high-quality content delivery.

#LI-Hybrid

Our Benefits:

• Equity in the company RSUs
• Employee Stock Purchase Plan (ESPP)
• 26 days paid holiday additional company days off
• Royalties (KUP)
• Hybrid working model (we have the office in a Kraków City Centre)
• Commute allowance
• Health/Dental Coverage LUX MED VIP for employee and family
• Life Insurance
• Travel Insurance
• Sodexo Lunch Card/Multisport Card
• Education Budget
• Mental Health program for employee
• Family planning program
• Employee Pension Plan (PPK)

Our Connected Work Culture: Driving Innovation Together

At Remitly we believe that true innovation sparks when we come together. Our Connected Work Culture fosters dynamic in-person collaboration where ideas ignite and challenging problems find solutions faster. For corporate team members we have an in-office expectation of at least 50% of the time monthly typically achieved by coming in three days a week. This creates a consistent meaningful overlap that supports team norms and business needs. Managers also have the flexibility to set higher expectations based on their teams specific needs. These intentional in-office moments are vital for deepening relationships fueling creativity and ensuring your impact is felt where it matters most.

Remitly is an E-Verify Employer

At Remitly we are dedicated to ensuring that our workplace offers equal employment opportunities to all employees and candidates in full compliance with applicable laws and regulations. Remitly is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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