Ciklum is looking for an Expert JavaScript Engineer to join our team full-time in Ukraine. 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 an Expert JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project 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. Clients project enables enterprises to shift security tasks to AI agents. By connecting to alert sources and other data sources via API connections and Webhook, clients agents ingest, categorize, enrich, and investigate alerts. Customers report saving between 30 minutes and 2.5 hours per investigation, enabling them to up-level their current team and reduce their spend on managed services. Responsibilities: - 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 Requirements: - 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 What`s in it for you? - Strong community: Work alongside top professionals in a friendly, open-door environment - Growth focus: Take on large-scale projects with a global impact and expand your expertise - Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications - Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies - Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice - Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations 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. As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future. Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn. 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.

• Expert knowledge in Java Spring boot microservices on Red Hat Openshift • Experience in AWS cloud services like SQS, Lambda, etc. • Experience in Kafka, Redis • Experience in Prompt engineering (system prompts & user prompts). • Proven experience in AI-driven development using GitHub Co-pilot, Cursor, etc. • Experience with front-end React JS, Angular JS and integration areas / Backend DB - SQL Server / PostgreSQL • Good understanding of application performance tuning and resource usage. • Ability to troubleshoot existing scripts and do point bug fixes / application redesign. • In-depth understanding of the entire web development process (Object Oriented programming, design patterns, development, and deployment). • Good knowledge in DevOps practices, CI/CD is required. Exposure to ArgoCD GitOps, Helm charts, 4-tier environment (DEV/TEST/UAT/PROD) • Secuity compinace - HIPAA/PHI • Experience in Agile and Scrum methodologies. • Knowledge of project and task tracking tools such as Jira, Git. • Strong communication and teamworking skills.

• Developing new payment integrations and services; • Automating and optimizing integration processes; • Analyzing external provider documentation and defining epics and tasks; • Participating in the design and development of high-load system architectures; • Supporting and improving existing solutions and services; • Writing high-quality, test-covered code; • Conducting code reviews; • Optimizing system performance and database queries; • Analyzing and resolving production incidents and bugs; • Collaborating with the QA team to ensure high quality of delivered products; • Maintaining technical documentation and writing technical specifications.

🚀 We’re Growing Our Development Dream Team! Titles? Meh, we’re not big on them, but let’s call this one Software Engineer 😉 As part of our Development squad, you’ll craft tailor-made solutions that wow our clients. We’re hunting for a passionate Fullstack Developer with a solid technical background in .NET technologies. Your mission? Train, deploy, and put groundbreaking developments into action — and that’s just the beginning. Here’s the deal: - You’ll tackle the unique challenges of software development with best practices alongside a team of brilliant minds. - You’ll dive into cutting-edge projects using the latest tech to push boundaries and make an impact. - Whether you prefer working from home or vibing with us at our offices, the choice is yours. - AGILE isn’t just a buzzword here — it’s how we roll. Multidisciplinary teams? Check. Full ownership of projects? Double check. Ready to take on projects that matter, with a team that’s as passionate as you are? Let’s make it happen! 😊 You will be responsible for: - Participating in the design and development of software solutions for challenging projects. This means projects from scratch with the latest technologies. - Design of architecture and the decision-making process in a constructive environment with co-creation dynamics. - Participate, review, help and take care of the projects where your teammates are involved. - Be a key player in the development of the best practices, clean and reusable code. - Be up to date with the latest tools and technologies in the market.