Senior Back End Engineer

Readdle is a pioneering force in the personal productivity space on Apple devices, having shaped the landscape since 2007. Our mission is to empower individuals and teams with innovative technology, enhancing their efficiency and creativity. We are dedicated to crafting exceptional mobile and desktop experiences for those who aspire to achieve more.The Spark email app stands as one of our flagship products, designed for various platforms, including iOS, macOS, Android, and Windows. Our mission at Spark has always been to make you love your email experience - we started by making email smart, and improved team collaboration, and now we’ve tackled information overload to make email focused. Our core features are designed to heighten your focus and allow you to create customized workflows that suit your needs.About the role:As a Senior Back End Engineer, you will architect robust backend services for tasks like database scaling, synchronisation across devices, and integration with other services (e.g., calendars); and optimise the performance of critical components. You will contribute to the team's growth by mentoring newcomers, conducting code reviews, and fostering a culture of knowledge sharing.What you’ll do:Build distributed, scalable, and fault-tolerant systems in the cloud using Golang.Develop tools for running and monitoring the system and ensure reliable operations at optimal performance.Work closely with the product manager and client development teams to define architecture, protocols, and requirements for new functionalities.Collaborate with the team and contribute to the overall success of the projectAbout you:Strong background in backend development, including high proficiency in GolangExperience with distributed systems and high-load servicesKnowledge of relational database systems and key-value storesBasic knowledge of KubernetesExperience with cloud platforms like AWS or GCPYou demonstrate a deep passion for the products you contribute toYou're great at thinking ahead, foreseeing how your work shapes the user experience You know how to deliver product quality in optimal development timeYou have a keen eye for both zooming in on details and seeing the big pictureYou are highly flexible and self-motivated, with the ability to work independently and in a teamWould be a plus:Knowledge of data structures and algorithms (DSA)DevOps skills Familiarity with NoSQLExperience in front-end development using modern Javascript frameworksContributions to the open-source communityExperience with scripting languages like Python, Ruby, ShellWhat you will get at Readdle:Customer-centric culture. We put our users at the heart of everything we do. Every team member has the opportunity to engage directly with customers, gaining insights that shape meaningful, delightful experiences for millions worldwide.Relentless growth. We’re committed to mastery in our craft. We take ownership of our work, decisions, and outcomes, and we see feedback as a catalyst for growth. Every challenge is an opportunity to learn, evolve, and raise the bar.Exceptional people, exceptional team. Our greatest strength is our people. We care deeply about each other, work transparently, and celebrate collective success. Together, we build an environment where everyone can do their best work and grow beyond their potential.Real impact. We design products that truly matter. Our focus is on delivering tangible value, simplifying complexity, pushing boundaries, and continuously improving how we build and deliver solutions to our users.Culture of innovation. We embrace curiosity and creativity in everything we do. Fresh ideas are not just welcomed, they’re expected, celebrated, and turned into real innovations that shape the future of our products and company.