Role Description Ciklum is looking for a JavaScript Engineer to join our team full-time in Poland. As a JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Project Description: - This project is with a global Financial Services Provider that focuses on providing responsible credit to underbanked customers in international markets. - The current strategy centers on consolidating technology delivery to a single partner to drive efficiency and operational excellence. - You will join the Customer Application, which serves as a critical self-service tool for over 800,000 users. - The application is currently undergoing a technology refresh, migrating to a modern framework to improve scalability, performance, and accessibility compliance across the organization's European footprint. Responsibilities: - Apply agile methodology to software development processes. - Forge close links with architects, developers, analysts, and wider team members within the development team. - Communicate effectively with both peers and delivery team stakeholders. - Prioritize workloads and act self-sufficiently while escalating key issues as required. Qualifications - Minimum 3 years of experience in this role developing complex solutions. - Competency in React Native (iOS and Android) and React Native Expo. - Competency in Typescript/Javascript. - Experience with Google Play and App Store Connect. - Experience with Firebase Services (Push, Crashlytics). - Expertise in Git/source control including branching and pull requests. - Competency in JIRA, Confluence, and SCRUM software development processes. - Fluent English speaking and excellent attention to detail. - Valid AWS Certified Developer – Associate certificate (required within 6 months). Requirements - Desirable: Competency in Snyk or equivalent security tooling. - Desirable: Competency in Kibana or equivalent logging solutions. - Desirable: Experience working within a Product Operating Model. Benefits - 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 flexibility – full remote working possibilities. - Care: We've got you covered with company-paid premium medical package through Luxmed. - Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs. 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. 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.

• Develop and deliver value propositions through upselling products by thoroughly understanding customer needs and business challenges. • Investigate, analyze, and resolve customer product-related issues, and propose the most appropriate products, systems, and solutions. • Effectively visualize and communicate the value of proposed solutions, ensuring the delivery of tangible and measurable value to customers. • Develop case studies based on laboratory data, pilot testing results, and benchmark data to support value-driven proposals and decision-making. • Provide technical support to Sales teams and customers to ensure proper product application and successful project execution. • Collaborate closely with Sales and customers on product usage, application, and system performance. • Support plant commissioning, startup, and troubleshooting at customer sites. • Evaluate new and existing product performance through on-site support and pilot testing. • Analyze plant and returned membrane data, and clearly communicate findings and solutions. • Oversee pilot unit operation and lead the RGA program.

Role Description Ciklum is looking for a Senior JavaScript Engineer to join our team full-time in Poland. As a Senior JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. This project is with a global Financial Services Provider that focuses on providing responsible credit to underbanked customers in international markets. The current strategy centers on consolidating technology delivery to a single partner to drive efficiency and operational excellence. You will join the Customer Application. The primary mobile application serves as a critical self-service tool for over 800,000 users. It is currently undergoing a technology refresh, migrating to a modern framework to improve scalability, performance, and accessibility compliance across the organization's European footprint. - Lead the development of complex solutions comprising cloud infrastructure and platform services utilizing automated deployment methods - Apply agile methodology to software development processes - Communicate effectively with both peers and delivery team stakeholders - Forge close links with architects, developers, analysts, and wider team members within the development team Qualifications - Minimum 5 years' experience in this role developing complex solutions - Expert proficiency in React Native (iOS and Android) and React Native Expo - Expert proficiency in Typescript/Javascript - Expert proficiency in Google Play and App Store Connect - Expert proficiency in Firebase Services (Push, Crashlytics) - Expertise in Git/source control including branching and pull requests - Expertise in JIRA, Confluence, and SCRUM software development processes - Fluent English speaking and excellent attention to detail - Valid AWS Certified Developer – Associate certificate (required from day 1) Requirements - Competency in Snyk or equivalent security tooling (desirable) - Competency in Kibana or equivalent logging solutions (desirable) - Experience working within a Product Operating Model (desirable) Benefits - 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 flexibility – full remote working possibilities - Care: We've got you covered with company-paid premium medical package through Luxmed - Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs 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. 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.

• Architect, develop and maintain high-performance desktop and mobile applications for HiFi audio enthusiasts across Windows, macOS, iOS, Android, and Linux, driving technical direction and ensuring seamless cross-platform experiences. • Lead cross-platform development initiatives using primarily C# and .NET-based technologies, applying deep expertise to improve scalability, maintainability, and long-term product evolution. • Design and optimize complex systems that manage audio content, music metadata, and low-latency audio streaming across local networks, leveraging your mastery of network protocols and concurrency models to deliver robust solutions. • Serve as a technical leader and mentor, guiding team members in best practices for architecture, performance profiling, and troubleshooting, while raising the overall technical bar. • Proactively identify and address risks in project delivery, communicate complex technical concepts to stakeholders, and influence decisions to align engineering efforts with business goals. • Use modern AI-assisted development workflows as part of your day-to-day engineering practice, including tools such as Claude Code, Codex, and similar agentic coding assistants to accelerate implementation, explore solutions, generate tests, review code, and improve developer productivity. • Drive innovation in audio streaming and system architecture, recommending and implementing advanced solutions that enhance user experience, performance, and reliability.