Mendix Architect / Senior Mendix Developer

🏢 Summary: Long-term on-site B2B opportunity for an experienced Software Developer – Integrator / Low-Code Platform Engineer focused on enterprise integration platforms, cloud and hybrid runtime environments, and low-code solutions. The role involves designing, operating, and optimizing secure and scalable integration services using technologies such as Boomi, Mendix, Docker, and Kubernetes in a highly secure enterprise environment. Candidates will participate in Agile delivery, CI/CD automation, API integrations, and 24/7 production support. 🗂️ Requirements: 3+ years of experience with integration platforms or enterprise system integration, Experience with Boomi, MuleSoft, or similar iPaaS platforms, Experience with Mendix or other low-code platforms, Knowledge of integration patterns and workflow orchestration, Experience with Docker or Kubernetes, Knowledge of REST APIs, JSON, XML, and integration protocols, Experience with CI/CD pipelines, Experience working in Agile environments, Strong troubleshooting and analytical skills, Fluent English, EU citizenship, Residence in Poland, Availability for on-site work 5 days per week, Availability for 24/7 on-call rotation, Ability to pass criminal record and credit history background checks 📃 Skills: Boomi, Mendix, MuleSoft, Docker, Kubernetes, REST, JSON, XML, CI/CD, Agile, AWS, Azure, GCP, DevSecOps 🏢 Description: At Cyclad, we work with top international IT companies to help them deliver cutting-edge technologies that shape the future. We are currently looking for an experienced Software Developer – Integrator to join an international engineering team responsible for delivering secure, scalable, and reliable integration solutions across enterprise environments. As a Low-Code Platform Engineer , you will design, implement, and operate integration and application runtime components across cloud and hybrid infrastructures. Working with technologies such as Boomi, Mendix, containerized workloads, and Kubernetes , you will ensure the performance, reliability, and security of enterprise integration platforms while supporting mission-critical business processes. Project information: Type of project: IT Services Office location: Wrocław or Gdańsk, Poland Work mode: On-site (5 days per week) Budget: 190–215 PLN net/ h- B2B Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Requirements and limitations: Service window: 08:00–20:00 (Poland time) Participation in 24/7 on-call rotation , including nights and weekends Work performed in a Secure Room (mobile phones and personal electronic devices are not permitted) Successful completion of a background check , including: 1-Certificate of No Criminal Record (Zaświadczenie o Niekaralności) 2-Credit history verification (BIK) Project scope: Design, develop, and operate enterprise integration flows, ensuring scalability, security, and efficient data processing. Deploy, manage, and optimize application runtime and integration components across cloud and hybrid environments. Monitor, troubleshoot, and maintain middleware services to ensure high availability and production stability. Develop and maintain integration solutions using Boomi, Mendix, and related low-code technologies. Ensure the quality, consistency, and security of integration platforms and low-code environments. Automate deployment pipelines and operational activities to improve delivery speed, reliability, and repeatability. Support API integrations and system connectivity across enterprise applications. Collaborate with cross-functional Agile teams to deliver robust and scalable integration solutions. Contribute to platform improvements, operational excellence, and continuous optimization initiatives. Participate in incident response, maintenance activities, and production support as part of the on-call rotation. Competence demands: At least 3 years of hands-on experience working with integration platforms, middleware solutions, or enterprise system integration. Practical experience with Boomi, MuleSoft, or similar iPaaS platforms. Experience working with Mendix or other low-code development platforms. Strong understanding of integration patterns, workflow orchestration, and enterprise connectivity. Experience working with Docker, Kubernetes, or other containerized environments. Good knowledge of REST APIs, JSON, XML, and modern integration protocols. Experience with CI/CD pipelines and Agile software development practices. Strong troubleshooting and analytical skills with a proactive approach to problem-solving. Excellent communication and collaboration skills. Fluent English Nice to have: Experience with cloud platforms (AWS, Azure, or Google Cloud). Familiarity with infrastructure automation and Infrastructure as Code. Knowledge of monitoring and observability tools. Experience working in highly secure or regulated enterprise environments. Understanding of DevSecOps practices. We offer: On-site working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Long-term remote B2B contract for an experienced Fullstack Developer focused on frontend refactoring with Angular and building scalable full-stack solutions in a distributed environment. The role involves developing and maintaining features across the stack, ensuring high code quality, and contributing to CI/CD and infrastructure processes. The project requires close collaboration with cross-functional teams and strong backend expertise in Java and Spring Boot. 🗂️ Requirements: EU citizenship, Residence in Poland, Strong experience with Angular v12+, Strong knowledge of TypeScript, Solid experience with Java, Experience with Spring Boot, Experience in frontend and backend development, Understanding of nginx and server configuration, Knowledge of clean code and refactoring principles, Communicative German (B1/B2) 📃 Skills: Angular, TypeScript, Java, SpringBoot, nginx, CI/CD, Docker, Kubernetes, Helm, Ingress, TLS, Cypress 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Fullstack Developer to join a remote development team. The role focuses on frontend refactoring and building scalable full-stack solutions in a distributed environment. Project information: Type of project: IT services Office location: Poland Work mode: Remote Budget: 110-150 PLN net/ h- b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Lead and execute frontend refactoring activities to improve structure, performance, and scalability Develop and maintain full-stack features in a distributed environment Collaborate closely with product owners, architects, and other engineers Ensure high-quality code through testing, code reviews, and best engineering practices Contribute to DevOps/CI/CD processes and infrastructure (if experienced) Competence demands: Strong experience with Angular (v12+) and TypeScript Good understanding of nginx, headers, and server configuration Solid experience with Java and Spring Boot Proven experience in both frontend and backend development Strong understanding of clean code and refactoring principles Communicative German skills (B1/B2) Nice to have : Experience with Docker, Kubernetes, Helm, Ingress Knowledge of Infrastructure & TLS concepts Knowledge of Cypress for automated testing We offer: Remote working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Long-term remote B2B opportunity for an experienced Full Stack Developer to build a greenfield micro frontend (Krypton) integrated with a Kubernetes-based platform mesh for encryption key management. The role focuses on cloud-native development, Kubernetes controllers, and open-source contribution within a distributed platform engineering environment. 🗂️ Requirements: Strong experience with React or Angular, Strong experience with TypeScript, Experience with micro frontend architecture, Strong experience with Kubernetes controller development, Strong Go development experience, Experience with REST APIs, Experience with gRPC APIs, Understanding of cloud-native development, Experience with Helm, Experience with GitOps, Experience with CI/CD pipelines, EU citizenship, Residence in Poland 📃 Skills: React, Angular, TypeScript, Kubernetes, Go, REST, gRPC, Helm, GitOps, CI/CD, ModuleFederation, controller-runtime, kubebuilder 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Full Stack Developer (Krypton UI & Platform Mesh) to join a cloud-native development team working on a greenfield open-source platform, focusing on micro frontend architecture and Kubernetes-based backend integration. Project information: Office location: Poland Work mode: Remote Budget: 150- 165 PLN net/ h- B2B Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Build and develop the Krypton micro frontend for encryption key management inside a platform portal Design and implement micro frontend architecture integrated with a platform mesh system Develop Kubernetes controllers connecting UI layer with crypto backend services Contribute to open-source development in a publicly available repository Work on greenfield architecture and build system components from scratch Collaborate closely with platform engineering and backend teams Ensure scalable, secure, and maintainable system design in a cloud-native environment Participate in architectural decisions and technical design discussions Support CI/CD pipelines and GitOps-based delivery processes Maintain high code quality and follow modern engineering best practices Competence demands: Strong experience with React or Angular and TypeScript Experience with micro frontend architecture (e.g. module federation or similar approaches) Strong experience in Kubernetes controller development (controller-runtime, kubebuilder) Strong Go development experience for backend/controller components Experience with REST and gRPC APIs Solid understanding of cloud-native development (Helm, GitOps, CI/CD) Experience working in distributed or platform engineering environments Very good English Nice to have: Experience with key management or cryptography concepts Familiarity with KMIP protocol Experience with internal developer platforms (IDP) Knowledge of OIDC / IAM integration Experience contributing to open-source projects We offer: Remote working model Part-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Mid-Level Developer role focused on building and evolving solutions in the media/marketing industry using Java and Python, with strong emphasis on distributed systems and practical AI tool usage. The position involves working across backend, frontend, integrations, and automation in a fully remote setup. The offer includes real impact on architecture and access to modern development tools. 🗂️ Requirements: Strong knowledge of Java, Strong knowledge of Python, Understanding of distributed systems mechanisms and protocols, Ability to independently solve technical problems, Willingness to work across frontend, backend, integrations and automation, Regular practical use of AI tools in development workflow 📃 Skills: Java, Python, DistributedSystems, AI, Claude, ChatGPT, Copilot, Spring, FastAPI, Flask, Linux, Docker, Git 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are looking for a Mid-Level Developer who enjoys solving problems, thinking algorithmically, and isn’t confined to a single tech stack. Someone who understands technology intuitively and is genuinely curious about new tools — from Java and Python to AI assistants such as Claude (Anthropic) and knows how to use them effectively in practice. Project information: Industry: Media/Ad/Marketing Location: Warsaw Work Setup: 100% Remote work Employment type: Contract of employment / B2B Rate: 12 000 PLN/net/month + VAT on B2B Start date: depending on candidate availability Requirements: Strong working knowledge of Java and Python (we treat them as a foundation, not a limitation) Understanding of mechanisms and protocols used in distributed systems Ability to independently solve problems and seek the simplest effective solutions Openness to working across technologies (frontend, backend, integrations, automation) Regular use of AI tools (Claude, ChatGPT, Copilot, etc.) as a natural part of the development workflow Nice to Have: Experience with web frameworks (Spring, FastAPI, Flask) Familiarity with Linux, Docker, and version control systems (Git) Interest in automation and hands-on experimentation with AI in real projects We offer: Competitive salary + flexible cooperation model (UoP / B2B) Influence on architecture, processes, and technology in a key business area Work with large data volumes and projects with real business impact Access to modern tools, development budget, and the possibility to work with innovative solutions Flexible remote or hybrid work Collaboration with experienced marketing, tech, and analytics specialists.

🏢 Summary: Mid-Level Developer role focused on building and integrating solutions in a media/marketing project, with strong emphasis on Java and Python and practical use of AI tools in daily development. The position involves working across backend, frontend, and distributed systems in a fully remote setup. The offer includes influence on architecture and collaboration on data-driven projects with real business impact. 🗂️ Requirements: Strong knowledge of Java, Strong knowledge of Python, Understanding of distributed systems mechanisms and protocols, Ability to solve problems independently, Ability to work across frontend, backend, and integrations, Regular practical use of AI development tools 📃 Skills: Java, Python, AI, Claude, ChatGPT, Copilot, DistributedSystems, Spring, FastAPI, Flask, Linux, Docker, Git 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are looking for a Mid-Level Developer who enjoys solving problems, thinking algorithmically, and isn’t confined to a single tech stack. Someone who understands technology intuitively and is genuinely curious about new tools — from Java and Python to AI assistants such as Claude (Anthropic) and knows how to use them effectively in practice. Project information: Industry: Media/Ad/Marketing Location: Warsaw Work Setup: 100% Remote work Employment type: Contract of employment / B2B Rate: 12 000 PLN/net/month + VAT on B2B Start date: depending on candidate availability Requirements: Strong working knowledge of Java and Python (we treat them as a foundation, not a limitation) Understanding of mechanisms and protocols used in distributed systems Ability to independently solve problems and seek the simplest effective solutions Openness to working across technologies (frontend, backend, integrations, automation) Regular use of AI tools (Claude, ChatGPT, Copilot, etc.) as a natural part of the development workflow Nice to Have: Experience with web frameworks (Spring, FastAPI, Flask) Familiarity with Linux, Docker, and version control systems (Git) Interest in automation and hands-on experimentation with AI in real projects We offer: Competitive salary + flexible cooperation model (UoP / B2B) Influence on architecture, processes, and technology in a key business area Work with large data volumes and projects with real business impact Access to modern tools, development budget, and the possibility to work with innovative solutions Flexible remote or hybrid work Collaboration with experienced marketing, tech, and analytics specialists.

🏢 Summary: Senior Fullstack Developer role in an international product development team focused on building and maintaining secure, scalable fullstack applications using Java and modern frontend technologies. The position involves hands-on backend and frontend development, microservices architecture, SPA development, and collaboration within Agile teams in an English-speaking environment. Hybrid work model in Warsaw with long-term B2B engagement. 🗂️ Requirements: 10+ years of software development experience, Strong fullstack development experience, Expert knowledge of Java, Experience with Spring, Experience building microservices, Experience with Single Page Applications, Knowledge of frontend technologies, Experience designing secure and scalable applications, Understanding of testing and code quality practices, Experience working in Agile environments, Strong analytical and problem-solving skills, Very good English skills, EU citizenship, Residence in Poland 📃 Skills: Java, Spring, SpringBoot, Microservices, SPA, Agile, CI/CD, DevOps, Docker, Kubernetes, Cloud 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced Senior Fullstack Developer to join an international team responsible for developing and maintaining modern, secure, and scalable applications supporting critical business processes. You will work in a hands-on development role across both backend and frontend technologies, contributing to high-quality software delivery while collaborating with international stakeholders in an English-speaking environment. Project information: Type of project: Product Development Office location: Warsaw, Poland Work mode: Hybrid (3 days from the office, 2 days remotely) Budget: 100- 130 PLN net/ h- B2B Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design, develop, and maintain modern fullstack applications Build secure, scalable, maintainable, and testable software aligned with business requirements Develop and evolve Java-based microservices using Spring Boot Design and implement modern Single Page Applications (SPA) following frontend best practices Collaborate closely with business and technical stakeholders to translate requirements into high-quality technical solutions Ensure application reliability, performance, and service continuity Follow software engineering best practices, including code quality, testing, and security standards Participate in code reviews and contribute to continuous improvement initiatives Work within Agile development teams in an international English-speaking environment Support the evolution of existing applications while contributing to the development of new features and services Competence demands: 10+ years of professional experience in software development Strong experience as a full-stack developer with expertise in backend and frontend development Excellent knowledge of Java and Spring Boot Proven experience developing microservices-based applications Strong experience with modern frontend technologies and Single Page Applications (SPA) Experience designing secure, scalable, and high-performance applications Solid understanding of software engineering best practices, including testing, code quality, and clean architecture Experience working in Agile development environments Strong analytical and problem-solving skills Excellent communication skills and ability to collaborate with business and technical stakeholders Very good English skills Nice to have: Experience with cloud platforms Knowledge of CI/CD pipelines and DevOps practices Experience with containerization technologies such as Docker and Kubernetes Experience working in international enterprise environments We offer: Hybrid working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life inssurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Long-term remote B2B opportunity for an experienced Full Stack Developer to build secure, scalable backend services and full-stack features using Python and FastAPI. The role involves designing REST APIs, implementing authentication mechanisms, and working with containerized, cloud-based environments. The project focuses on secure development practices and high-performance distributed systems. 🗂️ Requirements: Minimum 4 years of experience in full stack or backend development, Strong experience with Python and FastAPI, Experience designing and developing REST APIs, Experience with PostgreSQL, Knowledge of OAuth2, OIDC, RBAC, SSO, Hands-on experience with Docker and Kubernetes, Experience with CI/CD pipelines, Understanding of secure software development practices, Ability to work in cloud or hybrid environments, EU citizenship and residence in Poland 📃 Skills: Python, FastAPI, REST, PostgreSQL, OAuth2, OIDC, RBAC, SSO, Docker, Kubernetes, CI/CD, React, TypeScript, Next.js 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced Full Stack Developer (Python / FastAPI) to join a remote team working on secure and scalable backend services and full-stack feature development Project information: Type of project: IT services Office location: Poland Work mode: Remote Budget: 130-150 PLN net/ h- b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design and develop full-stack features (frontend + backend) Build backend services using Python (FastAPI) and REST APIs Develop scalable data models and secure services Implement authentication and authorization (OAuth2, OIDC, RBAC, SSO) Work with Docker, Kubernetes and CI/CD pipelines Support secure development practices (validation, compliance, scanning) Collaborate with teams on technical requirements and system design Troubleshoot and improve system performance and stability Competence demands: Min. 4 years of experience in similar roles Strong experience with Python (FastAPI) and REST APIs Experience with PostgreSQL Knowledge of authentication/security frameworks (OAuth2, OIDC, RBAC, SSO) Hands-on experience with Docker, Kubernetes and CI/CD tools Understanding of secure software development practices Ability to work in cloud or hybrid environments Min. 4 years of experience in similar roles Nice to have: React, TypeScript, Next.js We offer: Remote working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Offer for a Senior Mendix Developer to build and enhance low-code business applications, including frontend interfaces, data models, and system integrations. The role focuses on API development, REST/SOAP integrations, and ensuring solution quality and performance. Project-based B2B cooperation with mostly remote work and occasional onsite visits. 🗂️ Requirements: Minimum 4 years of commercial experience with Mendix, Strong knowledge of SQL, Strong knowledge of PostgreSQL, Experience with REST integrations, Experience with SOAP integrations, Knowledge of Postman, Knowledge of SoapUI, Ability to design data models, Fluent communication in Polish 📃 Skills: Mendix, SQL, PostgreSQL, REST, SOAP, Postman, SoapUI, JSON, XML, API 🏢 Description: Senior Mendix Developer / Frontend Developer Dla naszego klienta poszukujemy doświadczonego Senior Mendix Developera , który będzie rozwijał aplikacje biznesowe w technologii Low-Code Mendix. Zakres obowiązków tworzenie i rozwój aplikacji w Mendix, projektowanie interfejsów na podstawie makiet biznesowych, projektowanie modeli danych i integracji, tworzenie oraz rozwój API, integracje REST i SOAP, praca z formatami JSON i XML, przygotowywanie dokumentacji technicznej, dbanie o jakość i wydajność rozwiązań. Wymagania minimum 4 lata komercyjnego doświadczenia z Mendix, bardzo dobra znajomość SQL i PostgreSQL, doświadczenie w integracjach REST/SOAP, znajomość Postmana i SoapUI, umiejętność projektowania modeli danych, samodzielność, odpowiedzialność i terminowość. Mile widziane doświadczenie z aplikacjami offline-first, systemami webowymi i mobilnymi oraz certyfikaty Mendix. Warunki współpracy Czas trwania projektu: 15.07–31.12.2026 , zaangażowanie: około 876 godzin praca głównie zdalna, wizyty u klienta we Wrocławiu maksymalnie 4 dni w miesiącu, nie częściej niż 2 razy w miesiącu. Komunikacja na co dzień w j. polskim Forma współpracy: B2B

🏢 Summary: Long-term hybrid Tech Lead role (Angular + .NET) in the energy sector, focused on delivering high-quality applications and ensuring architectural consistency. The position combines hands-on development with technical leadership, code reviews, and coordination within an Agile team. The role emphasizes ownership, best practices, and end-to-end delivery responsibility. 🗂️ Requirements: Senior-level experience with Angular, Experience as Tech Lead or Senior Developer with leadership responsibilities, Full-stack experience with .NET, Knowledge of clean code principles, Understanding of software architecture, Knowledge of design patterns, Experience in Agile/Scrum environments, Ability to review and approve Pull Requests, Experience ensuring code quality, performance, and security, EU citizenship and residence in Poland 📃 Skills: Angular, .NET, C#, TypeScript, HTML, CSS, Agile, Scrum, Git, REST 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking a Tech Lead (Angular + .NET) to join a hybrid development team in the energy sector, focusing on high-quality application delivery, architectural consistency, and technical leadership. Project information: Type of project: IT services / Energy sector Office location: Wrocław, Poland Work mode: Hybrid  (1–2 days per week in the office) Budget: 140-170 PLN  net/ h- B2B Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Ensure high code quality, best practices, and compliance with the defined technology stack across applications Review and approve Pull Requests with a focus on maintainability, performance, and security Provide technical leadership and take responsibility for delivery towards the client Define application scope in collaboration with stakeholders, especially during new releases Ensure timely delivery within agreed estimates and expected quality standards Identify and communicate technical risks and potential issues early Support, mentor, and guide team members in their daily work Assign tasks and coordinate activities within the development team Resolve team conflicts and foster a collaborative environment Share delivery status and align with other Tech Leads and Architects Organize and facilitate Agile ceremonies (daily stand-ups, sprint planning, retrospectives, demos, etc.) Collaborate closely with QA, UX, and other teams to ensure end-to-end quality Maintain clear and transparent communication with stakeholders Competence demands: Strong experience with Angular (Senior level) Proven experience as a Tech Lead or Senior Developer with leadership responsibilities Optional but strong advantage: Full-stack development experience with .NET Solid understanding of clean code principles, software architecture, and design patterns Experience working in Agile/Scrum environments Very good English (spoken and written) Strong ownership, accountability, and problem-solving skills Nice to have: Experience working on enterprise-scale applications Previous collaboration with international clients Exposure to energy, utilities, or industrial domains We offer: Hybrid working model Part-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 Summary: Long-term remote B2B opportunity for an experienced Fullstack Software Developer to build scalable React/Next.js and Python (FastAPI) applications enhanced with AI/LLM integrations. The role focuses on modern frontend architecture, async backend services, real-time systems, and production-grade AI workflows. You will design end-to-end architectures and deliver secure, high-performance solutions in a distributed engineering team. 🗂️ Requirements: 5+ years experience as Fullstack or Software Engineer, Strong React and Next.js experience in production, Strong TypeScript proficiency, Strong Python experience with async programming, Experience with FastAPI, Experience designing scalable distributed systems and APIs, Knowledge of frontend architecture, state management, performance optimization, Experience with automated testing frameworks, Experience with REST, GraphQL, WebSockets, Hands-on experience integrating AI/LLM services (OpenAI, Azure AI or similar), Experience with LangChain or similar agent frameworks, Strong system design and software architecture knowledge, Experience working in Agile environments, Fluency in English, EU citizenship and residence in Poland 📃 Skills: React, Next.js, TypeScript, Python, FastAPI, Tailwind, Playwright, Vitest, React, Testing, Library, pytest, REST, GraphQL, WebSockets, OpenAI, Azure, LangChain, AI, LLM 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Software Developer (React + Python + AI) to join an innovative engineering remote team working on modern full-stack applications enhanced with AI capabilities. In this role, you will contribute to designing scalable systems, building high-performance web applications, and integrating advanced AI/LLM solutions into production environments. Project information: Type of project: IT services Office location: Wrocław, Poland Work mode: Remote from Poland Budget: 130-160 PLN net/ h- b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design and develop modern web applications using React / Next.js and TypeScript Build reusable, scalable, and accessible UI components using Tailwind and modern design systems Drive frontend architecture decisions including state management, modularization, and performance optimization Ensure high-quality frontend delivery with strong test coverage (Playwright, Vitest, React Testing Library) Design and develop backend services using Python (async) and FastAPI Build scalable REST and event-driven APIs as well as real-time systems Implement WebSockets or similar technologies for real-time communication Develop unit, integration, and end-to-end testing strategies for backend systems Design and implement end-to-end system architecture in collaboration with cross-functional teams Integrate services using REST APIs, GraphQL, and WebSockets Participate in performance tuning, scalability improvements, and system optimization Integrate AI/LLM-based solutions using OpenAI / Azure AI services Develop AI workflows using frameworks such as LangChain or similar agent-based tools Apply prompt engineering techniques and optimize model interactions for production use cases Orchestrate multiple AI models and services to deliver real-world intelligent features Apply security and privacy best practices across the full stack Ensure adherence to secure coding standards and maintain high code quality through code reviews and automated testing Collaborate closely with engineering teams to ensure consistency, reliability, and scalability of solutions Competence demands: Minimum 5+ years of experience as a Fullstack or Software Engineer Strong experience with React / Next.js and TypeScript in production-grade applications Strong proficiency in Python (async programming) and FastAPI Experience designing scalable distributed systems and APIs Solid understanding of frontend architecture, performance optimization, and state management Experience with testing frameworks (Playwright, Vitest, React Testing Library, pytest or similar) Familiarity with REST, GraphQL, and WebSockets Hands-on experience integrating AI/LLM services (OpenAI, Azure AI, or similar) Knowledge of agent frameworks such as LangChain or similar tools Strong understanding of system design principles and software architecture Experience working in Agile environments and cross-functional teams Strong communication skills and ability to work in a distributed team Fluency in English (written and spoken) We offer: Remote working model Dynamic and innovation-driven engineering environment Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance Recruitment process: Introductory call Technical interview Final decision