• Research and define how to implement client requirements and ideas best • Take part in technical discussions with the team and the client • Develop software primarily using C/C++, with occasional use of other programming languages • Create unit tests for your code, conduct code review, create documentation, and take part in other activities related to software development • Fix bugs efficiently and effectively, and find workarounds for blockers • Occasionally, take part in technical pre-sales meetings

Ciklum is looking for a Lead 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 a Lead JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Our Client is the world’s number one integrated tourism business. Product and Engagement Master Domain is a global team within Client technology responsible for the delivery and support of our customer facing websites and the end-to-end value chains supporting these. We are a multi-disciplinary team of experts across Architecture, Engineering, DevOps, and Agile Delivery providing services across the UK, Ireland, Sweden, Norway, Denmark, Finland, Germany, Belgium, and The Netherlands. We are ambitious to become the leader in technology within the travel industry and to achieve this we are looking to build a capable, creative team who want to be a part of accomplishing that goal. We never stop looking ahead, seeking new ways to delight our customers and grow our business. We recognise the power of digital and the massive contribution this brings to creating a truly unique and differentiated customer experience. The Lead JavaScript Engineer is a practitioner and an advocate of state-of-the-art software development practices, developing software products with a broad toolkit of technologies and methods and with a strong DevSecOps mindset, being able to tackle the whole software development cycle of designing, building, testing and deploying applications. Working in an agile environment and keeping up with the ever-evolving technical landscape the Lead Front End Software Engineer is a lifelong learner and likes to think outside the box. Responsibilities: - Creating technical designs as ADR to address software design challenges - Resolving multiple-component architectural dependencies - Working closely with the Technology Team Leads to align on technical direction, goals, and dependencies - Communicating effectively with various stakeholders, including Product Owners, Business Analysts, and Architects - Leading design discussions and ensuring adherence to UI/UX principles - Driving a DevOps mindset and automation across development and operations - Overseeing the implementation of security best practices, including authentication and authorisation strategies - Collaborating on deployment and release strategies - Support the Product Manager in backlog prioritisation based on technical needs - Contributing to documentation, process improvements, and technical training - Fostering a culture of continuous learning through demos, workshops, and pair programming - Applying an advanced skillset for understanding and solving problems, taking ownership of complex topics or multi-faceted initiatives spanning across the domain - Striving for a high degree of automation, clean architectures, and high quality with a customer-centric mindset - Selecting and guiding teams to use the right tools for the right job, solving business and technical problems efficiently - Demonstrating a commercial mentality, focusing on solving business problems in the best way - Working in a cloud environment, especially AWS, and developing resilient and high- performing cloud-native applications - Leveraging AWS services and cloud design patterns in a micro-service and micro- frontend landscape - Managing the full cycle of designing, building, testing, and deploying software and contributing to increasing automation - Clearly verbalizing thoughts and ideas, and taking the initiative to translate ideas into outcomes - Researching, evaluating, and testing new approaches, processes, and tools together with the domain’s Practice teams and Group Enabler teams, and helping teams to use them effectively - Being well-connected across the domain, within the broader community and relevant Communities of Practice - Thriving in an international, multi-cultural team - Challenging constructively and maintaining high expectations of yourself and others - Driving technical excellence, ownership, and self-organisation at both the team and personal level - Regularly coaching, guiding, and developing more junior colleagues - Continuously learning and acquiring new skills, keeping up to date with the latest developments in your focus areas Security is part of everyone’s job. We practice secure behaviours first in everything we do. Requirements: - Full SDLC: - Requirement analysis - Planning - Software design, such as architectural design - Software development - Testing - Deployment - Strong expertise in JavaScript language (e.g. ES6/7/8/next, TypeScript) as well as its eco-system and tooling - Deep knowledge of HTML5, CSS3/SCSS, and other aspects of frontend and client- side development - Expertise in React, SCSS (+Eleventy, njk, NodeJS as a big plus) - Expert knowledge of DOM - Strong experience in applying and suggesting best practices and design patterns - Strong experience with MicroFrontends and Microservices architecture - Knowledge of Terraform, AWS CDK - Deep expertise in cloud design, infrastructure as code, tools and services on AWS - Good experience with CI/CD, preferably Gitlab CI - Deep knowledge of UI/UX design principles, tooling and workflows to build an engaging user experience - Excellent understanding of front-end delivery and performance aspects (infrastructure, HTTP protocol, etc.), analysis and optimisation - Great experience in Monitoring and Alerting - Experience with consuming resource-oriented APIs (REST, GraphQL) - Quality: involvement in building testing strategy, understanding of various types of testing and their purpose - Understanding of Agile development methodologies - Experience or interest in mentoring and coaching engineers at all levels through training sessions and pair programming - Ability to collaborate closely with the Technology Team Lead to ensure team alignment and success - Ability to design, build, test, and deploy applications - Strong technical leadership and decision-making abilities - Ability to balance technical and business needs effectively - Customer centric, passionate about delivering great digital products and services - Demonstrating true software craftsmanship mindset - Passionate about continuous improvement, collaboration and great teams - Compelling coaching and training skills for imparting professional software engineering skills - Strong problem-solving skills coupled with good communication skills - Understanding of social and ethical implications of software engineering - Open minded, inquisitive, life-long learner - Comfortable with ambiguity, highly autonomous - Experience in large-scale frontend system architecture and MicroFrontends governance - Understanding of cloud architectures and DevOps practices - Exceptional collaboration and team-building skills Desirable: - Good experience in Java, Spring - Knowledge of containerization and orchestration technologies like Docker and Kubernetes - Familiar with UX concepts such as Information Architecture 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.

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.