• design and implement scalable, high-quality components and services aligned with team and company goals • contribute to technical decisions on solution design, architecture, technical debt, reliability, and performance • collaborate with product managers, designers, and stakeholders to translate customer needs into balanced technical solutions • monitor and improve system performance • champion best practices in software development, agile methodologies, and continuous improvement • own delivery pipeline (code quality, testing, deployments) and participate in on-call duties

Role Description Ciklum is looking for an Expert JavaScript Engineer to join our team full-time in Poland. As an Expert JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project that is the leader in agentic security, enabling enterprises to shift security tasks to AI agents to let people focus on strategic, high-value human work. - Design, develop, and maintain modern, high-performance web applications using React and TypeScript - Work independently while ensuring alignment with shared engineering standards and best practices - Communicate effectively within a distributed team, demonstrating strong written and verbal English skills, especially in asynchronous communication (e.g., Slack) - Utilize modern development tools such as Vite, Playwright, and AI-assisted programming tools (e.g., Cursor) to improve development efficiency and testing quality Qualifications - Experienced frontend web developer, Senior or above - Extensive experience with React and Typescript - Good English and strong written and verbal communication skills, especially for async communication like Slack - Ability to work independently while aligning with shared standards - Preferred if they have experience with: Vite, Playwright, and AI programming tools like Cursor Benefits - Regular salary reviews based on performance - Corporate events: webinars, offline parties, and meetups - Internal Mobility Program - Tailored education path (including full access to Udemy, certifications, etc.) - 25 paid days off: 20 business days of vacation per calendar year + 5 undocumented sick leave days - Additional health insurance - 100% company-covered Multisport card, with discounts available for family members Company Description 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. Since expanding to Bulgaria in 2022, we’ve been building a fast-growing team that thrives on learning, collaboration, and innovation. Join us on this exciting journey and help shape the future of our delivery center.

• Definir y diseñar arquitecturas Java escalables, seguras y de alto rendimiento para entornos corporativos. • Liderar la modernización de arquitecturas existentes y la evolución tecnológica de sistemas legacy. • Diseñar arquitecturas distribuidas basadas en microservicios y orientadas a servicios. • Definir, gobernar y documentar APIs REST , incluyendo su gestión mediante API Gateway . • Diseñar y gobernar sistemas de mensajería basados en Kafka . • Establecer estándares técnicos y asegurar su correcta aplicación. • Colaborar con equipos multidisciplinares garantizando la coherencia arquitectónica. • Definir prácticas DevOps y pipelines CI/CD , incluyendo automatización de despliegues. • Elaborar documentación técnica y realizar seguimiento de proyectos.

• Desarrollo de aplicaciones Java con arquitectura hexagonal y microservicios • Trabajo en integración continua y colaboración con equipos globales • Implementación de pruebas unitarias y de integración