Software Development Engineer II

O projekcie: 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 Messaging Platform team builds and maintains the foundation of Remitly's communication systems, ensuring that notifications, transfer updates, and campaign messages are fast, reliable, and compliant. The platform processes over 100 million messages each month and supports customers in more than 170 countries. You will report to the local Engineering Manager based in Kraków. As a Software Engineer, you will contribute to the development of a unified messaging system designed for personalized, AI-driven communication, flexible vendor integration, and readiness for two-way and B2B messaging. The work emphasizes autonomy, measurable product impact, and platform-oriented thinking while collaborating with experienced engineers, product managers, and mentoring interns. You will follow a hybrid model based in Remitly's Kraków city center office, typically three days on-site and two days remote. Wymagania: - 3+ years of experience building distributed, event-driven, or platform systems at scale (5+ years total engineering experience). - Proficiency in one or more core languages (Go, Java, Python, JavaScript) and willingness to learn. - Experience delivering resilient, observable, and compliant systems where reliability is non-negotiable. - Excitement for platform engineering: building systems others depend on, balancing flexibility, performance, and cost efficiency. - (Bonus) Familiarity with messaging vendors (Twilio, Braze, SES) or lifecycle marketing platforms. Codzienne zadania: - Design and scaling, event-driven systems that power customer communication globally. - Partner with product managers, AI researchers, other product teams, and your own team to deliver the next generation of messaging tooling. - Build scalable event-driven architectures to support marketing platforms and lifecycle messaging. - Support junior engineers and contribute to team growth through knowledge sharing and guidance. - Write clear technical documentation, including specs and architecture designs, for complex systems. - Debug and improve systems to ensure efficiency at scale. - Stay updated on industry trends and bring innovative ideas to improve the messaging platform.