Senior Fullstack Software Development Engineer (Cards)

At Remitly, we believe everyone deserves the freedom to access, move, and manage their money wherever life takes them. Since 2011, we've tirelessly delivered on our promise to customers sending money globally, providing secure, simple, and reliable ways to manage their money, ensuring true peace of mind. Whether it's supporting loved ones back home, growing a business across continents, or pursuing new opportunities abroad, we're not just here to move money— we're here to move our global customers forward.We're looking for builders, reimaginers, and global thinkers who want to work at the intersection of technology, trust, and transformation. If that's you and you're ready to do the most meaningful work of your career—we invite you to join over 2,800 passionate Remitlians worldwide who are united by our vision to transform lives with trusted financial services that transcend borders.

About the Role:

The Card Engineering squad exists to drive customer experience and business outcomes by streamlining the lifecycle of card payment processing.

Our scope covers the full lifecycle of card payments — Card Registration, Authorization, Capture, and Cancellation — which collectively power over 80% of remittance payment volume. While we do not orchestrate the final fund transfer, we ensure every prerequisite step is securely, reliably, and efficiently executed. You will report directly to the Engineering Manager, based in Poland.

The Cards Team is an API platform is responsible for:

• Card Registration: Securing and optimizing the experience for capturing, validating, and storing customer card details, ensuring compliance and high conversion globally.

• Card Payment and Pay-out Flow Enablement: Implementing and maintaining core capabilities for initiating, processing, and managing card payments (authorization, capture, cancellation), integrating external providers, and simplifying complexity for other systems.

• Card Payments Performance: Delivering end-to-end initiatives to increase card acceptance, including integrating new card networks, acquiring partners, and features to improve success rates.

You Will:

• Design, develop web and mobile app components and contribute to scalable backend services and APIs

• Collaborate with cross-functional teams, including product managers and peer teams in US

• Address technical debt of the existing platform, focusing on refactoring and optimizing legacy code to improve maintainability, performance and scalability.

• Optimize platform performance for high availability and low-latency, ensuring reliability to support global customer bases.

• Monitor and troubleshoot production systems, deploying updates and bug fixes to ensure seamless functionality and continuous improvement.

• Support the cards team through a rotating on-call schedule.

• Ensure compliance with industry standards and regulatory requirements.

• Mentor younger engineers.

You Have:

• A BS/MS in Computer Science or equivalent professional experience

• 6+ years of experience building features used by millions of users

• Proficient in one of a general purpose language like TypeScript, Go, Java, Kotlin and willingness to learn second; bonus points for familiarity with PHP

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

• Understanding of  SQL (Aurora) and NoSQL DBs (DynamoDB)

• Experience  in CI/CD tools (Jenkins, GitLab, etc.)

• Understanding of software development practices, system design, software design patterns, and algorithms

• Leading through example (proven technical leadership and mentorship)

Compensation Details

The starting base salary range for this position is typically zł320,000 – zł360,000 per annum. In Poland, Remitly employees are shareholders in our Company and equity is part of our total compensation plan. Your recruiter can share more information about medical benefits offered, as well as other financial benefits and total compensation components offered with this role.

Remitly Poland applies increased tax deductible costs (KUP) to remuneration earned by certain qualifying employees (to the extent an employee will be involved in the creation of the software as an "author") for the transfer of copyrights, in accordance with the relevant provisions of the Personal Income Tax Act.

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

• Pluxee 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 team's 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.