Full-stack Developer

🏢 Summary: Contract opportunity for a Fullstack Developer to design and deliver web applications using modern Python and JavaScript frameworks, with a focus on AI-driven solutions. The role involves building and maintaining backend services, developing responsive frontend interfaces, and deploying applications in a cloud environment. Onsite presence is required in the Greater Copenhagen Area with a hybrid setup. 🗂️ Requirements: Strong backend development experience with Python, Experience with FastAPI, SQLAlchemy, Alembic, Proficiency in JavaScript and TypeScript, Experience with React and NextJS, Experience with PostgreSQL, Knowledge of Qdrant or other vector databases, Experience with Azure cloud platform, Experience with Docker containerization, Ability to develop and maintain fullstack web applications, Availability to work onsite minimum 3 days per week 📃 Skills: Python, FastAPI, SQLAlchemy, Alembic, JavaScript, TypeScript, React, NextJS, PostgreSQL, Qdrant, Azure, Docker, LLM, LangChain, LangGraph 🏢 Description: Introduction & Summary We are seeking a highly skilled Fullstack Developer. The ideal candidate will possess extensive experience in backend and frontend development, with proficiency in Python and JavaScript frameworks. If you have a passion for developing innovative solutions and a keen interest in AI technologies. Main Responsibilities As a Fullstack Developer, you will be responsible for designing and implementing web applications and services. Your focus will be on enhancing user experiences through effective software solutions. Develop and maintain backend services using Python with FastAPI. Implement frontend solutions utilizing React / NextJS. Work with PostgreSQL (Relational) and Qdrant (Vector) databases. Utilize Azure and Docker for deploying applications. Collaborate with cross-functional teams to define, design, and ship new features. Ensure code quality and maintainability throughout the development process. Debug and optimize existing applications. Key Requirements Strong experience in backend development using Python (FastAPI, SQLAlchemy, Alembic). Proficient in frontend technologies, specifically Javascript/Typescript with React / NextJS. Experience with relational databases, particularly PostgreSQL. Knowledge of vector databases like Qdrant. Familiarity with cloud platforms such as Azure. Experience with Docker for containerization. Experience with LLM / AI technologies is a plus. Bonus: Familiarity with LangGraph / LangChain for Python. Nice to Have Previous experience with AI-driven applications. Understanding of software design patterns and best practices. Experience in agile development methodologies. Start: ASAP End: End of September 2026 Location: Greater Copenhagen Area Onsite/remote: min. 3 days onsite per week

🏢 Summary: Full-Stack Software Developer role focused on developing and modernizing a complex platform using Python and React. The position involves backend and frontend ownership, migration to a modern tech stack, and deployment in AWS within an Agile environment. The developer will contribute to architectural decisions and CI/CD processes. 🗂️ Requirements: 5+ years of software development experience, Strong experience with Python, Experience with React, Practical knowledge of PostgreSQL, Experience designing and consuming REST APIs, Experience with AWS, Experience with CI/CD pipelines, Experience with end-to-end testing tools, Experience working in Agile environments (Jira or Confluence) 📃 Skills: Python, React, PostgreSQL, REST, AWS, GitHubActions, Playwright, CICD, Jira, Confluence 🏢 Description: We are currently looking for a Full-Stack Software Developer to join an international team working on the development and modernization of a complex software platform. The role involves taking ownership of both backend and frontend development during an ongoing project transition, including migration of existing functionalities to a modern technology stack. You will collaborate with a distributed Agile team and have real influence on the technical direction of the frontend architecture. Key Responsibilities Design, develop, and maintain full-stack applications using Python and React Develop and maintain RESTful APIs Work with PostgreSQL databases Participate in the migration of existing application components to a modern frontend framework Implement end-to-end testing using tools such as Playwright Manage CI/CD pipelines using GitHub Actions Deploy and maintain applications in AWS Collaborate with engineers in an international Agile environment Contribute to architectural discussions and technical decisions Requirements 5+ years of experience in software development Strong experience with Python Experience with React Practical knowledge of PostgreSQL and REST APIs Experience working with AWS Familiarity with CI/CD pipelines (e.g., GitHub Actions) Experience with end-to-end testing tools (e.g., Playwright) Experience working in Agile environments using tools such as Jira or Confluence Strong communication skills and a proactive mindset Nice to Have Experience with NumPy or SciPy Experience working in distributed engineering teams Experience participating in application migrations or system transitions

🏢 Summary: Full-Stack / Backend Developer role focused on building and maintaining scalable applications and REST APIs that support client products. The position involves developing new integrations, enhancing existing backend and frontend systems, and improving platform performance and reliability. You will contribute to architecture improvements and work within a cloud-based environment. 🗂️ Requirements: Minimum 3 years commercial experience, Experience with Java, Experience with Spring Boot, Experience with AWS, Experience with MongoDB, Experience with PostgreSQL, Experience with React.js, Experience designing REST APIs, Knowledge of backend architecture, Experience with cloud environments, Understanding of clean code principles, Experience working in Agile environment 📃 Skills: Java, SpringBoot, AWS, MongoDB, PostgreSQL, React, REST, Agile, Cloud, Architecture 🏢 Description: We are looking for an experienced Full-Stack / Backend Developer to join our team and help build scalable applications and APIs supporting our clients’ products. You will work on both backend and frontend solutions, contributing to product development, system improvements, and ongoing platform stability. Your Responsibilities Develop new APIs to support client integrations and business features. Maintain and enhance existing backend and frontend applications. Fix bugs and improve application performance and reliability. Upgrade and support operational aspects of the platform. Identify opportunities to improve product quality, architecture, and development processes. Collaborate with developers, product teams, and stakeholders to deliver high-quality solutions. Participate in code reviews and contribute to best engineering practices. Required Skills Minimum 3 years of commercial experience with: Java Spring Boot AWS MongoDB PostgreSQL React.js Experience designing and developing REST APIs. Knowledge of backend architecture and modern web applications. Experience working with cloud-based environments (AWS). Understanding of software development best practices and clean code principles. Ability to work in an Agile development environment.

🏢 Summary: Hybrid Full-Stack Developer role focused on building and maintaining modern backend and frontend enterprise applications using Python (FastAPI) and React.js. The position involves developing REST APIs, working with SQL/NoSQL databases, containerizing applications, and deploying to AWS. The role also includes participation in CI/CD processes and optional involvement in GenAI initiatives. 🗂️ Requirements: Commercial experience with Python, Commercial experience with FastAPI, Experience with React.js, Knowledge of SQL databases, Knowledge of NoSQL databases, Experience with Docker, Experience with Kubernetes, Basic knowledge of AWS 📃 Skills: Python, FastAPI, React, REST, SQL, NoSQL, PostgreSQL, Redis, PGVector, Docker, Kubernetes, AWS, CI/CD, LangChain, OpenAI 🏢 Description: Lokalizacja: Kraków Tryb pracy: hybrydowy (6 dni w biurze w miesiącu) Poszukujemy doświadczonego Full-Stack Developera , który wesprze  zespół enterprise w tworzeniu i utrzymaniu nowoczesnych aplikacji backendowych i frontendowych. Zakres obowiązków: Projektowanie, rozwój i utrzymanie backendu w Pythonie (FastAPI) Tworzenie i rozwój komponentów frontendowych w React.js Projektowanie i rozwój REST API Praca z bazami danych SQL/NoSQL (PostgreSQL, Redis, PGVector) Konteneryzacja aplikacji i praca z Dockerem oraz Kubernetes Wdrażanie aplikacji w AWS Udział w procesach CI/CD i automatycznych testach Współpraca z zespołem przy rozwoju funkcjonalności oraz integracjach z innymi systemami Opcjonalnie: udział w inicjatywach związanych z GenAI (LangChain, OpenAI API) Wymagania: Doświadczenie komercyjne w Pythonie i FastAPI Doświadczenie w React.js Znajomość baz danych SQL i NoSQL Doświadczenie w pracy z Dockerem i Kubernetes Podstawowa znajomość AWS Mile widziane: Doświadczenie lub zainteresowanie tematami GenAI / LLM Praktyczna znajomość procesów CI/CD i automatycznych testów Oferujemy: Pakiet benefitów obejmujący kartę Multisport oraz prywatną opiekę medyczną Hybrydowy model pracy z elastycznymi godzinami Możliwość pracy w międzynarodowym środowisku z wykorzystaniem nowoczesnego stacku

🏢 Summary: Fullstack Developer role focused on designing and building web applications that support security, DevOps and AI processes. The position involves creating frontend and backend architecture, integrating multiple systems (CI/CD, security scanners, repositories, ticketing), and developing AI platform interfaces and security dashboards. The role emphasizes automation, scalability, code quality and secure application design. 🗂️ Requirements: Minimum 3 years experience as Fullstack Developer, Practical knowledge of modern frontend frameworks, Practical knowledge of modern backend frameworks, Experience in API design and development, Experience with system integrations and multi-source data processing, Ability to build internal tools and rapid prototypes, Knowledge of web application security principles (RBAC, sessions, logging), Experience in writing tests and maintaining code quality standards, Good command of English 📃 Skills: JavaScript, API, RBAC, CI/CD, DevOps, AI, REST, Testing, Git, Security 🏢 Description: Zadania Projektowanie i budowa aplikacji webowych wspierających procesy security, DevOps i AI. Tworzenie architektury frontend i backend, API oraz integracji z istniejącymi systemami. Budowa warstwy pośredniej integrującej dane z CI/CD, skanerów bezpieczeństwa, repozytoriów kodu i systemów ticketowych. Automatyzacja workflow, m.in. akceptacji ryzyk, onboardingu projektów i zarządzania dostępami. Rozwój interfejsów dla platformy AI: uruchamianie eksperymentów, monitoring modeli, przegląd wyników ewaluacji. Tworzenie paneli security (alerty, podatności, status zgodności) oraz wdrażanie RBAC i audytu logów. Dbanie o jakość kodu, testy, przeglądy techniczne oraz wydajność i skalowalność narzędzi. Wymagania Minimum 3 lata doświadczenia jako Fullstack Developer. Praktyczna znajomość nowoczesnych frameworków frontend i backend oraz projektowania API. Doświadczenie w integracjach systemowych i pracy z danymi z wielu źródeł. Umiejętność budowy narzędzi wewnętrznych i szybkiego prototypowania rozwiązań. Znajomość zasad bezpieczeństwa aplikacji webowych (RBAC, sesje, logowanie zdarzeń). Doświadczenie w pisaniu testów i utrzymaniu standardów jakości kodu. Umiejętność samodzielnej organizacji pracy oraz dobrej komunikacji technicznej. Dobra znajomość języka angielskiego. Mile widziane Doświadczenie z platformami chmurowymi i architekturą mikroserwisową. Znajomość integracji z API dostawców AI (np. OpenAI) i usługami inference. Doświadczenie w budowie dashboardów operacyjnych i analitycznych. Znajomość obszarów DevOps i cyberbezpieczeństwa. Oferujemy Duży zakres samodzielności i realny wpływ na narzędzia wykorzystywane wewnętrznie. Pracę przy projektach łączących software engineering, security i AI. Możliwość rozwoju technologicznego w środowisku nastawionym na automatyzację i jakość. Stabilne warunki zatrudnienia oraz przyjazną atmosferę współpracy. Oferujemy Praca w przyjaznym, zgranym zespole Stabilne zatrudnienie w nowoczesnej firmie o ugruntowanej pozycji na rynku Atrakcyjne wynagrodzenie oraz pakiet benefitów (np. prywatna opieka medyczna, karta sportowa) Możliwość rozwoju zawodowego i udziału w innowacyjnych projektach

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and building scalable backend and frontend applications, with strong emphasis on Java/Spring-based microservices and React frontend. The position involves API development, cloud-ready architecture, CI/CD practices, and ensuring non-functional requirements such as security and resilience. The developer will collaborate cross-functionally to deliver reliable, high-quality solutions in an Agile environment. 🗂️ Requirements: Experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE and Spring Framework, Experience with Hibernate JPA, Experience building and consuming REST web services, Experience processing XML and JSON data, Experience with RDBMS databases (Oracle, PostgreSQL), Experience with MongoDB, Experience working in Agile/Scrum/Kanban methodologies, Experience with CI/CD pipelines, Experience with Jenkins, Experience with Docker, Experience with Git, Knowledge of Unix, Frontend experience with React.js, Experience with JavaScript and TypeScript, Understanding of code security principles 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and maintaining scalable backend and frontend applications with strong emphasis on Java-based APIs, microservices, and cloud-ready architecture. The position involves building resilient solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires regular office presence in Cracow and offers a competitive hourly rate. 🗂️ Requirements: Hands-on experience with Java and Spring Boot for APIs and Microservices, Experience with Java/J2EE, Spring Framework, Hibernate JPA, Experience with REST web services and XML/JSON processing, Understanding of code security principles, Experience with RDBMS databases (Oracle, PostgreSQL) and MongoDB, Experience with CI/CD pipelines and Jenkins, Experience with Docker, GIT, shell scripting, Unix, Frontend experience with React.js, JavaScript, TypeScript, Experience working in Agile/Scrum/Kanban methodologies, Knowledge of data modelling and architecture design concepts 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, GIT, Unix, Shell, React, JavaScript, TypeScript, CI/CD, Microservices 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing, developing, and maintaining scalable backend and frontend applications with strong emphasis on API and microservices architecture. The position involves building resilient cloud-ready solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires strong Java/Spring expertise, frontend experience with React, and hands-on knowledge of CI/CD and modern DevOps practices. 🗂️ Requirements: Hands-on experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE application development, Experience with Spring Framework and Hibernate JPA, Experience building REST web services and processing XML/JSON, Understanding of code security principles, Experience with RDBMS databases, Experience with Oracle, PostgreSQL, or MongoDB, Experience working in Agile/Scrum/Kanban environments, Experience with CI/CD pipelines, Experience with Jenkins and Docker, Experience with shell scripting and Git, Knowledge of Unix, Frontend experience with React.js, Proficiency in JavaScript and TypeScript 📃 Skills: Java, J2EE, Spring, SpringBoot, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Offer for a Full Stack Developer / Platform Engineer responsible for designing, developing, deploying, and maintaining modern applications and infrastructure environments. The role covers full application lifecycle management, including backend and frontend development, AI/ML solutions, containerization, Kubernetes administration, CI/CD, and production support. The position combines software engineering with infrastructure, networking, and monitoring responsibilities. 🗂️ Requirements: Very good knowledge of Python, JavaScript, TypeScript, Java, Experience with FastAPI and Flask, Experience with React.js and Node.js, Experience in AI, Machine Learning, Computer Vision, Experience with Docker and Docker Compose, Experience with Kubernetes administration, Experience with CI/CD and GitLab, Knowledge of PostgreSQL, Experience with Kafka, RabbitMQ or MQTT, Very good knowledge of Linux, Knowledge of networking concepts, Experience with MikroTik, Dell, Cisco, Knowledge of Zabbix, Ability to diagnose performance and environment issues, Knowledge of storage solutions QNAP, QSAN, Dell 📃 Skills: Python, JavaScript, TypeScript, Java, FastAPI, Flask, React, Node.js, Docker, Kubernetes, GitLab, CI/CD, PostgreSQL, Kafka, RabbitMQ, MQTT, Linux, Zabbix, AI, ML, LLM, ComputerVision, REST, DNS, MikroTik, Dell, Cisco, QNAP, QSAN 🏢 Description: Do naszego zespołu poszukujemy doświadczonej osoby na stanowisko: Full Stack Developer / Platform Engineer, która będzie odpowiedzialna za projektowanie, rozwój, wdrażanie oraz utrzymanie nowoczesnych systemów aplikacyjnych i środowisk infrastrukturalnych. Jest to rola dla osoby, która swobodnie porusza się zarówno w obszarze developmentu, jak infrastruktury. Szukamy kandydata, który potrafi samodzielnie budować aplikacje, rozwijać integracje, projektować architekturę usług, wdrażać je w środowiskach kontenerowych oraz utrzymywać pełny cykl życia aplikacji— od kodu, przez CI/CD, po monitoring, diagnostykę i utrzymanie produkcyjne. Python, FastAPI, Flask, React.js, Node.js, Docker, Kubernetes, GitLab CI/CD, PostgreSQL, Kafka / RabbitMQ /MQTT, Linux, AI / ML / CV, JAVA Development aplikacji i integracji: Projektowanie i rozwój aplikacji backendowych w Node.js / JAVA / Python (FastAPI, Flask) Rozwój aplikacji frontendowych z wykorzystaniem JavaScript / TypeScript oraz React.js. Projektowanie i rozwój REST API oraz integracji między systemami. Implementacja rozwiązań wykorzystujących AI / Machine Learning / LLM. Tworzenie i rozwój komponentów z obszaru Computer Vision, analizy obrazu oraz przetwarzania danych. Konteneryzacja i Kubernetes: Budowa, konteneryzacja i uruchamianie aplikacji z wykorzystaniem Docker oraz Docker Compose. Projektowanie, wdrażanie i administracja środowisk opartych o Kubernetes. Utrzymanie pełnego cyklu życia aplikacji uruchamianych w klastrach Kubernetes. Utrzymanie oraz diagnostyka podów, namespace’ów i workloadów. Analiza problemów wydajnościowych oraz błędów środowiskowych. Zapewnienie wysokiej dostępności i ciągłości działania usług. CI/CD, monitoring i utrzymanie: Projektowanie, rozwój i utrzymanie procesów CI/CD. Przygotowywanie oraz utrzymanie pipeline’ów wdrożeniowych w oparciu o GitLab / GitLab CI/CD. Automatyzacja buildów, testów, deploymentów i procesów utrzymaniowych. Monitoring środowisk developerskich, testowych i produkcyjnych. Wdrażanie i utrzymanie systemów monitoringu, logowania i alertingu (np. Zabbix). Administracja bazami danych PostgreSQL. Komunikacja, Linux i infrastruktura: Integracja komunikacji asynchronicznej (Kafka, RabbitMQ, MQTT). Administracja systemami Linux. Przygotowanie i utrzymanie środowisk serwerowych i kontenerowych. Diagnostyka sieci (DNS, routing, dostępność usług). Obsługa infrastruktury MikroTik, Dell, Cisco. Integracja i utrzymanie storage (QNAP, QSAN, Dell). Wymagania obowiązkowe: Bardzo dobra znajomość Python / JavaScript / TypeScript / JAVA. Doświadczenie z FastAPI i Flask. Doświadczenie w AI, Machine Learning i Computer Vision. Doświadczenie z React.js i Node.js. Bardzo dobra znajomość Linux. Doświadczenie z Docker, Docker Compose i Kubernetes. Doświadczenie w CI/CD i GitLab. Znajomość PostgreSQL. Doświadczenie z Kafka, RabbitMQ, MQTT. Znajomość zagadnień sieciowych. Doświadczenie z MikroTik, Dell, Cisco. Znajomość Zabbix. Umiejętność diagnozowania problemów. Znajomość storage (QNAP, QSAN, Dell). Mile widziane: Flutter, aplikacje mobilne, monitoring/observability, automatyzacja infrastruktury, mikroserwisy.

🏢 Summary: Full Stack Developer role focused on building and maintaining cloud-native, event-driven applications on Google Cloud Platform. The position involves developing scalable backend services with Python (FastAPI) and modern frontend applications with React and TypeScript. You will design high-performance APIs and integrate GCP services to deliver production-ready solutions. 🗂️ Requirements: Strong proficiency in Python and FastAPI, Experience with asynchronous programming, Hands-on experience with React and TypeScript, Experience with Google Cloud Platform services, Experience with event-driven architecture and Pub/Sub systems, Experience with Cloud Run, Cloud Functions, Cloud Storage, Experience with Docker and GCP-based CI/CD pipelines, Experience with relational and NoSQL databases, Knowledge of RPC-based integrations, Ability to design synchronous and asynchronous APIs, Polish language proficiency at B2 level 📃 Skills: Python, FastAPI, React, TypeScript, GCP, PubSub, CloudRun, CloudFunctions, CloudStorage, Docker, CICD, CloudSQL, Firestore, BigQuery, SQL, NoSQL, RPC, SDK 🏢 Description: We are looking for an experienced Full Stack Developer to join a team responsible for building and maintaining modern cloud-native applications based on event-driven architecture and Google Cloud Platform technologies. In this role, you will contribute to the design, development, and optimization of scalable backend services and user-facing applications. You will work closely with product, design, and platform engineering teams to deliver high-quality production-ready solutions. Key Responsibilities Design, develop, and maintain scalable web applications using Python (FastAPI) and React Build backend services leveraging Google Cloud Platform SDKs and RPC-based integrations Develop and maintain event-driven architectures using Google Cloud Pub/Sub and related messaging technologies Design and implement high-performance synchronous and asynchronous APIs Create intuitive and responsive user interfaces using React, TypeScript, and modern UI frameworks Collaborate with product, design, and platform teams to deliver new features and enhancements Participate in architecture discussions, code reviews, and technical design sessions Ensure high code quality through testing, automation, and CI/CD best practices Requirements Strong proficiency in Python, including FastAPI and asynchronous programming Experience working with Google Cloud SDKs and cloud-native development Hands-on experience with React, TypeScript, and component-based UI development Solid understanding of event-driven architectures and Pub/Sub messaging systems Experience with Google Cloud services such as Cloud Run, Pub/Sub, Cloud Functions, and Cloud Storage Familiarity with Docker and CI/CD pipelines within GCP environments Experience with relational and NoSQL databases such as Cloud SQL, Firestore, and BigQuery Strong troubleshooting, performance optimization, and observability skills Excellent communication and collaboration skills, with experience working in distributed teams Polish B2 +