Role Description Blue Projects sucht einen erfahrenen TGA-Planungsingenieur (m/w/d) mit industriellem Hintergrund und Erfahrung im Umgang mit 3D-Programmen wie Revit und AutoCAD. - Entwicklung von Systemen entsprechend den Bedürfnissen und Erwartungen der Kunden. Unterbreitung von Vorschlägen für effiziente Lösungen in Bezug auf Kosten und Verbrauch. - Überprüfung der Projektspezifikationen, um die erforderlichen Anforderungen zu definieren. - Besprechung mit dem Kunden oder anderen Beratern, um ein besseres Verständnis für die Art der benötigten Konstruktion zu gewinnen. - Ausführung technischer Konstruktions- und Arbeitsplandetails für Luft-, Heißwasser- und Rauchabzugssysteme. - Durchführung von Druckverlust- und Wärmeübertragungsberechnungen für Fluidsysteme, um eine optimale Systemleistung zu gewährleisten. - Durchführung von Berechnungen zur Luftstromverteilung sowie zur Wasser- und Luftdimensionierung des Rohrleitungssystems. - Entwicklung von lufttechnischen und hydraulischen Rohrleitungsschemata für HLK-Systeme. - Zusammenarbeit mit anderen technischen Fachbereichen, um Koordinationsprobleme zu lösen und eine nahtlose Integration mit elektrischen Systemen, Abwassersystemen und Bauwerken zu sichern. - Entwurf der technischen Platzierung von Lüftungsgeräten (AHUs) und Entwicklung von Layouts für Warm- und Kaltwassersysteme. - Berechnung der erforderlichen Frischluftzufuhr in einem Gebäude auf der Grundlage seiner Aktivität und seines Betriebsprogramms. - Durchführung genauer Heiz- und Kühllastberechnungen unter Berücksichtigung externer und interner Wärmezufuhr. - Erstellen, Überprüfen und Validieren aller Materialgenehmigungsformulare. - Beantwortung von Fragen und Lösung von Problemen, die während der Konzeption, des Entwurfs und der Installation im Zusammenhang mit seinem Entwurf auftreten. - Koordinierung mit dem gesamten Planungsteam (Architektur, Bauwesen und Mechanik). - Erstellung von Berichten, Anlagenplänen, Spezifikationen usw. - Erstellung von Schemata, Layouts und Details entsprechend den Entwurfsanforderungen. Qualifications - Bachelor-Abschluss im Maschinenbau oder einem verwandten Fachgebiet - mindestens 5 Jahre Erfahrung als TGA-Ingenieur mit einer Spezialisierung auf HKLS-Systeme - gute Deutsch- und Englischkenntnisse in Wort und Schrift - gute Kenntnisse der Fluiddynamik, Wärmeübertragung und Druckverlustberechnung - Beherrschung des Designs von HKLS-Anlagen, einschließlich Rohrdimensionierung und Schemata - Fähigkeit, sich mit anderen technischen Fachbereichen abzustimmen und Integrationsprobleme zu lösen - Vertrautheit mit der technischen Platzierung von RLT-Geräten und Warm-/Kaltwassersystemen - ausgezeichnete Kenntnisse des Frischluftbedarfs und der Berechnung der Heiz-/Kühllast - gute Kenntnisse im Umgang mit AutoCAD oder ähnlicher Software für das Layout-Design - ausgezeichnete schriftliche und mündliche Kommunikationsfähigkeiten - gute Kenntnisse von Microsoft Office und ähnlichen Programmen - solide organisatorische Kompetenzen, einschließlich Detailgenauigkeit und die Fähigkeit zum Multitasking Benefits - Internationales Engagement, Zusammenarbeit mit führenden Blue-Chip-Unternehmen der Branche - Bonus; Jährliche finanzielle Belohnungen und Gehaltserhöhungen auf der Grundlage eines soliden und nachvollziehbaren Leistungsbeurteilungsprogramms - echte Karrieremöglichkeiten und Aufstiegsperspektiven innerhalb unseres Teams - intelligentes, freundliches und kommunikationsfreudiges Teamumfeld - Zugang zur Lernplattform von LinkedIn - Wellness-Dienste von einem renommierten Anbieter - Hilfsprogramm für Mitarbeiter

Role Description As an Expert Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Our Client’s platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world. The team continues to build and scale the infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security, and transaction infrastructure. The team operates with a strong product mindset and deep focus on security, reliability, scalability, and exceptional developer experience. Engineers build secure-by-default systems and approach their work with a strong customer focus, balancing technical excellence with real-world user needs. You will be joining a passionate group that moves fast, works with the biggest names in payments and fintech, and is defining how the next generation of financial applications are built. Responsibilities - Design and implement rich frontend experiences and scalable backend services that power client’s wallet infrastructure through the Dynamic platform - Own features across the stack: from technical design and architecture through implementation, testing, deployment, and ongoing optimization - Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure - Develop user-facing features and frontend tooling for both end-user and developer-facing applications - Collaborate closely with Product, Design, and other engineering teams to deliver robust, high-impact features - Contribute to performance, reliability, and scalability improvements across the platform - Help uphold engineering best practices through code reviews, testing, documentation, and knowledge sharing Qualifications - 3–5 years of experience building and shipping production-grade, full-stack web applications - Strong experience with React and TypeScript on the frontend - Experience building backend systems and APIs using Node.js (and frameworks such as Express) - Comfort working across frontend and backend systems in complex, evolving codebases - A strong appreciation for clean, maintainable code and system performance - Experience collaborating cross-functionally with product and design partners - Curiosity about fintech and Web3, and interest in building infrastructure used at global scale Requirements - Experience with blockchain technologies (e.g., EVM chains, wallets, on-chain integrations) - Solidity experience – writing, deploying, testing, or interacting with smart contracts in production environments - Experience maintaining, testing, and securing smart contract systems post-deployment - Experience with a variety of state management solutions in production React applications - Experience with security products or other high-sensitivity domains 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 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

Role Description Ciklum is looking for a Senior Full Stack Engineer to join our team full-time in Ukraine. As a Senior Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Our Client’s platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world. The team continues to build and scale the infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security, and transaction infrastructure. The team operates with a strong product mindset and deep focus on security, reliability, scalability, and exceptional developer experience. Engineers build secure-by-default systems and approach their work with a strong customer focus, balancing technical excellence with real-world user needs. You will be joining a passionate group that moves fast, works with the biggest names in payments and fintech, and is defining how the next generation of financial applications are built. Responsibilities - Design and implement rich frontend experiences and scalable backend services that power client’s wallet infrastructure through the Dynamic platform - Own features across the stack: from technical design and architecture through implementation, testing, deployment, and ongoing optimization - Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure - Develop user-facing features and frontend tooling for both end-user and developer-facing applications - Collaborate closely with Product, Design, and other engineering teams to deliver robust, high-impact features - Contribute to performance, reliability, and scalability improvements across the platform - Help uphold engineering best practices through code reviews, testing, documentation, and knowledge sharing Qualifications - 3–5 years of experience building and shipping production-grade, full-stack web applications - Strong experience with React and TypeScript on the frontend - Experience building backend systems and APIs using Node.js (and frameworks such as Express) - Comfort working across frontend and backend systems in complex, evolving codebases - A strong appreciation for clean, maintainable code and system performance - Experience collaborating cross-functionally with product and design partners - Curiosity about fintech and Web3, and interest in building infrastructure used at global scale Requirements - Experience with blockchain technologies (e.g., EVM chains, wallets, on-chain integrations) - Solidity experience – writing, deploying, testing, or interacting with smart contracts in production environments - Experience maintaining, testing, and securing smart contract systems post-deployment - Experience with a variety of state management solutions in production React applications - Experience with security products or other high-sensitivity domains 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 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

Role Description Ciklum is looking for an Expert Go Engineer to join our team full-time in Ukraine. As an Expert Go Engineer, you will be part of a cross-functional development team engineering experiences of tomorrow. You’ll be responsible for building and maintaining our Client's blockchain management platform, implementing high-throughput, real-time scalable software solutions. Your responsibilities will include: - Implement modern backend applications and infrastructure in a microservices architecture, using the latest technologies and development practices. - Deep dive into the latest blockchain technology and become an expert in the fundamentals, protocols, and features of the chains we support. - Collaborate effectively with developers, engineers, and other roles while demonstrating strong independent problem-solving abilities. - Contribute to production reliability through on-call participation, incident response, and post-incident follow-ups. Qualifications - 5+ years of backend development experience in modern languages (Go, Python, JavaScript/TypeScript). - 3+ years of hands-on blockchain development experience. - Experience working on high-scale distributed systems. - Understanding of microservices architecture and API design. - Knowledge of consensus mechanisms, cryptographic primitives, and distributed systems. - Strong problem-solving skills and attention to detail. - Strong verbal and written communication skills and a collaborative mindset. Requirements - Experience building blockchain solutions for enterprise or institutional use cases (desirable). - Understanding of security best practices for smart contracts and blockchain systems (desirable). - Demonstrated ability to apply AI tools in day-to-day development (desirable). - Understanding of MPC, multi-signature wallets, or other advanced cryptographic techniques (desirable). - Bachelor’s degree in Computer Science, Engineering, or a related field (desirable). - Experience with Docker, Kubernetes, and Helm (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 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.