Senior Back End Engineer

Job Description Ciklum is looking for a Senior Back End Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About The Role As a Senior Back End Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. You will help design, implement, and ship the core data pipeline and processing platform within our AI-native cloud platform. Your role involves building robust, scalable, and elegant solutions to complex cybersecurity use-cases, and you will be responsible for choosing and implementing the necessary technologies and architectures. We are seeking professionals of all levels who are eager to make a substantial impact and excel in a high-growth, dynamic environment. As AI is advancing at a pace never seen before, you'll join us at a pivotal stage, where your expertise can shape the future of cybersecurity. You'll have the opportunity to work on the bleeding edge of technology and drive true innovations, all while collaborating closely with industry veterans who are dedicated to defend the market from the new wave of AI-driven attacks. Our culture is centered around respect, collaboration and proactiveness, and a shared commitment to delivering exceptional value to our customers. If you’re passionate about building something extraordinary and thrive in an environment where your contributions truly matter, we’d love to connect with you. Responsibilities Design, implement, and maintain the core data pipelines and processing platform for our AI-native cloud platformBuild world-class, robust, scalable, and elegant solutions for complex cybersecurity use-casesChoose and implement appropriate technologies and architecturesEnsure the scalability, reliability, and performance of cloud-based servicesWork closely with other engineers to integrate with various external and internal APIs Requirements 7+ years of backend development experienceStrong hands-on experience with TypeScript for backend developmentPractical experience with AWS cloud services, including designing and implementing scalable architecturesFamiliarity with API integrations — experience working on or integrating with APIs is highly desirableSolid understanding of cloud technologies, distributed systems, and best practices in cloud-native architectureExcellent software development skills with a can-do, fast-shipping attitudeBachelor's degree or equivalent in a relevant fieldStrong problem-solving and communication skills What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environmentGrowth focus: Take on large-scale projects with a global impact and expand your expertiseTailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certificationsEndless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologiesFlexibility: Enjoy flexibility – full remote working possibilitiesCare: We've got you covered with company-paid premium medical package through LuxmedBenefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs About Us At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.