Full-Stack Developer (Python / React)

🏢 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: Short-term (3–4 months) full-stack contract focused on building and enhancing secure backend and frontend features using Python and modern web technologies. The role involves developing REST APIs, implementing robust authentication mechanisms, and integrating security controls within cloud or hybrid environments. Collaboration with DevOps teams ensures reliable, secure deployments and scalable architectures. 🗂️ Requirements: Strong experience with Python and FastAPI, Proven experience building and consuming REST APIs, Experience with PostgreSQL and relational database design, Knowledge of OAuth2, OIDC, RBAC, and SSO integration, Experience with Docker and Kubernetes, Familiarity with CI/CD pipelines, Experience with software supply chain security practices, Ability to work in cloud or hybrid infrastructure environments 📃 Skills: Python, FastAPI, REST, PostgreSQL, OAuth2, OIDC, RBAC, SSO, Docker, Kubernetes, CI/CD, GitHub, GitLab, React, TypeScript, Next.js 🏢 Description: Full-stack Developer 3-4 months contract with possibility for extension Technical Requirements Strong experience with Python , especially FastAPI Proven experience building and consuming REST APIs Experience with PostgreSQL and relational database design Knowledge of authentication and security standards: OAuth2 , OIDC , RBAC , SSO integration Experience with DevOps tooling: Docker and Kubernetes Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI or similar) Experience with software supply chain security: artifact validation, signature verification, compliance scanning, sandboxed execution Ability to work in cloud or on-prem / hybrid infrastructure environments Nice to have: Frontend experience with React , TypeScript , Next.js or similar SPA frameworks Required Technical Skills Python, Fast API, RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD Main Responsibilities Designing and developing full-stack features across frontend and backend components Building and maintaining backend services using Python (FastAPI) and REST APIs Developing scalable data models and service architectures Implementing secure authentication and authorization mechanisms Integrating security controls and package validation tooling into the development lifecycle Working in collaboration with DevOps and infrastructure teams to ensure reliable deployments

🏢 Summary: Oferta dotyczy pracy zdalnej na stanowisku Full Stack Developera przy rozwoju aplikacji webowej dla branży digital marketingu wykorzystującej AI i algorytmy rekomendacyjne. Rola obejmuje rozwój frontendu w React i Next.js oraz backendu w Pythonie, integracje API i pracę z Google Cloud Platform. Zespół rozwija nowoczesne rozwiązania z naciskiem na jakość, wydajność i współpracę między zespołami. 🗂️ Requirements: Minimum 3 lata doświadczenia z Python, Minimum 3 lata doświadczenia z React, Minimum 3 lata doświadczenia z Next.js, Znajomość TypeScript, Doświadczenie z REST API, Doświadczenie z relacyjnymi bazami danych, Znajomość Google Cloud Platform, Umiejętność pisania testów, Doświadczenie z Git, Umiejętność pracy z Figmą, Znajomość języka angielskiego 📃 Skills: Python, React, Next.js, TypeScript, REST, PostgreSQL, BigQuery, GCP, Git, Figma 🏢 Description: Szukamy Full Stack Developera do naszego zespołu, który rozwija aplikację webową dla branży digital marketingu. Budujemy rozwiązania wykorzystujące AI i algorytmy rekomendacyjne, rozwijając zarówno frontend oparty o React i Next.js, jak i backend tworzony w Pythonie. Całość działa w oparciu o PostgreSQL, BigQuery oraz Google Cloud Platform. Zakres zadań: rozwój i utrzymanie aplikacji webowej z wykorzystaniem Pythona, React i Next.js; tworzenie nowych funkcjonalności zarówno po stronie backendu, jak i frontendu; projektowanie i rozwój API oraz integracja aplikacji z zewnętrznymi usługami; implementacja interfejsów użytkownika na podstawie projektów przygotowanych w Figmie; tworzenie testów oraz dbanie o jakość, wydajność i niezawodność rozwijanych rozwiązań; współpraca z zespołem przy projektowaniu oraz wdrażaniu nowych funkcjonalności. Wymagania: min. 3 lata doświadczenia w pracy z Pythonem, React oraz Next.js; praktyczna znajomość TypeScript; doświadczenie w projektowaniu i rozwijaniu aplikacji komunikujących się poprzez REST API; doświadczenie w pracy z relacyjnymi bazami danych; praktyczna znajomość Google Cloud Platform; umiejętność pisania testów; doświadczenie w pracy z Git; umiejętność pracy z projektami przygotowanymi w Figmie; ownership mindset — bierzesz odpowiedzialność za swoje rozwiązania i potrafisz działać samodzielnie; dobrze odnajdujesz się we współpracy z różnymi zespołami oraz w środowisku wieloprojektowym, dynamicznie zmieniającym się; znasz angielski na poziomie pozwalającym na swobodną komunikację (w mowie i piśmie). Oferujemy: pracę w 100% zdalną; MacBooka służbowego oraz sprzęt potrzebny do komfortowej pracy; środowisko sprzyjające rozwojowi i zdobywaniu nowych umiejętności; kulturę pracy opartą na otwartości – możesz zadawać pytania, dzielić się pomysłami i mieć realny wpływ na rozwiązania; zespół zaangażowanych i kreatywnych osób, z którymi po prostu dobrze się pracuje; pakiet benefitów: prywatna opieka medyczna, karta sportowa, ubezpieczenie grupowe oraz platforma wellbeingowa.

🏢 Summary: Senior Full Stack Developer role focused primarily on backend development with Python and FAST API, combined with React-based frontend work in a hybrid B2B model. The position involves designing scalable web applications, building high-performance APIs, and working with relational and NoSQL databases. Strong backend expertise is essential, with intermediate frontend skills and experience in modern DevOps practices. 🗂️ Requirements: 8+ years of professional software development experience, Expert proficiency in Python, Strong experience with FAST API, Strong knowledge of relational and NoSQL databases, Experience with SQLAlchemy ORM, Deep understanding of data structures and algorithms, Experience building RESTful APIs and microservices, Proficiency in writing unit and integration tests in Python, Strong knowledge of ReactJS and NodeJS, Experience with Redux or MobX, Familiarity with React Query, Experience with Material UI, CSS, and HTML, Experience with Jest and Cypress, Solid understanding of JavaScript and TypeScript 📃 Skills: Python, FASTAPI, SQLAlchemy, PostgreSQL, MySQL, MongoDB, DynamoDB, ReactJS, NodeJS, Redux, MobX, ReactQuery, MaterialUI, CSS, HTML, Jest, Cypress, JavaScript, TypeScript, Docker, Kubernetes, AWS, Azure, GCP, RabbitMQ, Kafka 🏢 Description: Working mode: Hybrid mode ( 2-3 days in a week from the office in Wroclaw or Warsaw) Experience Level: 8+ Years Contract Type: B2B About the Role We are looking for a highly skilled Senior Full Stack Developer with a primary focus on Python and FAST API to join the development team. The ideal candidate is a Python expert capable of architecting robust backend services. While React skills are required, we are flexible regarding the depth of frontend expertise (Intermediate level is acceptable), provided the backend strength is exceptional. Key Responsibilities Backend Architecture: Design, develop, and maintain scalable web applications using Python and FAST API . API Development: Build high-performance RESTful APIs and microservices, ensuring low latency and high availability. Database Management: Work with relational and NoSQL databases, utilizing ORMs like SQLAlchemy to design efficient database schemas and queries. Frontend Development: Develop and maintain user-facing features using ReactJS , ensuring the technical feasibility of UI/UX designs. Code Quality: Write clean, maintainable, and testable code; perform unit testing to ensure robustness. DevOps: Implement and manage CI/CD pipelines to streamline deployment processes. Collaboration: Work closely with cross-functional teams (Product, QA, and Design) in a hybrid working environment. Mandatory Technical Skills 1. Backend (Core Strength): Languages: Expert proficiency in Python . Frameworks: Strong experience with FAST API (Must-have). Experience with SQLAlchemy is highly preferred. Fundamentals: Deep understanding of data structures, algorithms, and space-time complexity. Database: Strong understanding of Relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB) databases. Testing: Proficiency in writing unit tests and integration tests for Python applications. 2. Frontend (Intermediate Level): Libraries: Strong knowledge of ReactJS and NodeJS . State Management: Experience with React workflows such as Redux or MobX . Tooling: Familiarity with React Query . Styling: Experience with Material UI , CSS , and HTML . Testing: Experience with frontend testing tools like Jest and Cypress . JavaScript: Solid understanding of JavaScript , TypeScript , and browser rendering behavior. Good to Have Experience with cloud platforms (AWS, Azure, or GCP). Knowledge of containerization (Docker, Kubernetes). Understanding of microservices architecture and message queues (RabbitMQ, Kafka).

🏢 Summary: Full Stack Developer role focused on building scalable, cloud-native applications using React and C# .NET Core in a capital markets environment. The position involves developing microservices, REST APIs, data pipelines, and analytical solutions supporting credit and market risk domains. 100% remote B2B contract with flexible start date. 🗂️ Requirements: 4-5+ years of full stack development experience, Strong expertise in React, Strong expertise in C#, Experience with .NET Core, Experience with microservices architecture, Experience with event-driven architecture, Experience with distributed systems, Experience building REST APIs, Hands-on experience with Python, Experience with PySpark, Experience with Power BI, Experience with data modeling, Experience in credit risk and market risk domains 📃 Skills: React, C#, .NETCore, Microservices, REST, TypeScript, Python, PySpark, PowerBI, DataModeling, DistributedSystems, EventDriven, Cloud 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% remote Contract Type: B2B (140-160 PLN/h + VAT) We are looking for a highly skilled Full Stack Developer with deep expertise in React for frontend development and C# .NET Core for backend services. This role requires hands‑on experience building scalable, cloud‑native systems, along with strong exposure to capital markets, especially within credit risk and market risk domains. Expectations Minimum 4-5 years of professional software development experience across frontend and backend technologies. Strong expertise in React, C# .NET Core , microservices, event‑driven architecture, and distributed systems. Hands‑on experience with Python (pyspark), Power BI dashboards, data modeling, and analytical reporting. Responsibilities Develop and maintain full stack applications using React, C# .NET Core, and modern cloud‑native technologies. Build scalable backend services, REST APIs, and microservices with a focus on performance and resilience. Implement modular, accessible, and high‑quality frontend components using React and TypeScript. Collaborate with business and risk experts to deliver solutions in credit risk, market risk, and capital markets workflows. Work with Python (pyspark) to build data pipelines, transformations, and analytics processes. What We Offer Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance

🏢 Summary: B2B role for an experienced Full-stack Developer (Java/React) to build and maintain Data Lake, Data Warehouse and "chat with data" solutions, covering both backend services and frontend components. The position involves designing data models, building data pipelines (on-prem and GCP), optimizing SQL queries, and developing conversational web applications end-to-end. Work is performed in a DevSecOps model with responsibility for CI/CD, monitoring and production support. 🗂️ Requirements: Experience with React, Experience with Java and API development, Experience building conversational web applications (chat, streaming, history, feedback, sources), Knowledge of BigQuery and SQL, Experience in data modeling (logical and physical), Experience building data pipelines (on-prem and cloud), SQL query optimization skills, Experience with Git and code review, Experience writing unit, integration and e2e tests, Experience with CI/CD pipelines, Experience with monitoring and logging, Experience in incident handling and production support, Ability to design data-focused UI (tables, charts, drill-down, export) 📃 Skills: Java, React, SQL, BigQuery, GCP, CloudRun, PubSub, Docker, Kubernetes, Git, CI/CD, DevSecOps, APIs, DataLake, DWH 🏢 Description: Poszukujemy doświadczonego Full-stack Developera (java/react), który dołączy do zespołu rozwijającego nowoczesne rozwiązania w obszarze Data Lake, DWH oraz „chat with data”. Praca obejmuje zarówno rozwój backendu, jak i współpracę przy projektowaniu interfejsów oraz komponentów frontendowych. Oferujemy Długoterminowa współpraca w oparciu o kontrakt B2B Prywatna opieka medyczna Karta multisportowa Udział w nowoczesnych projektach Praca hybrydowa – min. 1 dzień w tygodniu w biurze (Poznań lub Warszawa) Obowiązki Budowa i rozwój rozwiązań Data Lake i Data Warehouse (online/offline) Projektowanie i implementacja procesów zasilania danych Modelowanie danych (logiczne i fizyczne) Optymalizacja zapytań SQL (on-prem i GCP) Tworzenie pipeline’ów danych (on-prem oraz chmura GCP) Rozwój narzędzia „chat with data” (end-to-end) Współpraca przy projektowaniu rozwiązań IT zgodnych z wymaganiami biznesowymi Obsługa incydentów i rozwiązywanie problemów produkcyjnych Wsparcie testów i wdrożeń Utrzymanie i serwisowanie systemów Praca w modelu DevSecOps Wymagania Znajomość frontend’u: React Doświadczenie w budowie aplikacji webowych z elementami konwersacyjnymi (chat), w tym: streaming odpowiedzi historia rozmów feedback użytkownika prezentacja źródeł i uzasadnień Doświadczenie backendowe: Java – projektowanie i rozwój usług API Podstawowa znajomość BigQuery / SQL Umiejętność projektowania ergonomicznego UI dla danych: tabele, wykresy, drill-down, eksport wyników Doświadczenie w pracy zespołowej: Git, code review, standardy jakości, dokumentacja testy (unit / integration / e2e) Doświadczenie produkcyjne: CI/CD, monitoring, logowanie reagowanie na incydenty Gotowość do współpracy z AI Engineerami i zespołami data: kontrakty API, formaty danych, walidacje, optymalizacja kosztów Mile widziane Znajomość rozwiązań typu semantic / metrics layer (caching, pre-aggregations, governance metryk) Doświadczenie z narzędziami „conversational analytics” / „chat with data” Znajomość bibliotek UI i data visualization GCP: Cloud Run, Pub/Sub Docker / Kubernetes Doświadczenie w środowisku regulowanym (np. bankowość) Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz! Nr ref.: 30/4/2026/r/3382

🏢 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: Full-Stack Developer role focused on building and maintaining backend services in Python (FastAPI) and frontend applications in React.js within an enterprise environment. The position involves developing REST APIs, managing databases, containerizing applications, and deploying to AWS using modern DevOps practices. Hybrid work model with collaboration on scalable, production-grade systems. 🗂️ Requirements: Commercial experience with Python, Experience with FastAPI, Hands-on experience with React.js, Strong knowledge of SQL databases, Strong knowledge of NoSQL databases, Experience with Docker, Experience with Kubernetes, Basic knowledge of AWS, Experience designing and developing REST APIs 📃 Skills: Python, FastAPI, React, SQL, NoSQL, PostgreSQL, Redis, PGVector, Docker, Kubernetes, AWS, REST, CI/CD 🏢 Description: Full-Stack Developer (Python / React) Location: Kraków, Poland Work Model: Hybrid (6 days per month in the office) About the Role We are looking for an experienced Full-Stack Developer to join our enterprise team and support the development and maintenance of modern backend and frontend applications. You will work with a cutting-edge technology stack in an international environment. Key Responsibilities Design, develop, and maintain backend services using Python (FastAPI) Build and enhance frontend components using React.js Design and develop REST APIs Work with SQL and NoSQL databases (PostgreSQL, Redis, PGVector) Containerize applications and manage deployments using Docker and Kubernetes Deploy and maintain applications in AWS Participate in CI/CD processes and automated testing Collaborate with the team on new features and system integrations (Optional) Contribute to GenAI initiatives (LangChain, OpenAI API) Requirements Proven commercial experience with Python and FastAPI Hands-on experience with React.js Strong knowledge of SQL and NoSQL databases Experience working with Docker and Kubernetes Basic knowledge of AWS Nice to Have Experience or interest in GenAI / LLM technologies Familiarity with CI/CD pipelines and automated testing What We Offer Benefits package including Multisport card and private healthcare Hybrid work model with flexible working hours Opportunity to work in an international environment with a modern tech stack Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Senior Full Stack Developer role focused on building an enterprise AI agent management platform, with strong emphasis on backend development in Python. The position involves developing scalable web applications using Python and React, designing architecture, building REST APIs, and working on authentication and SSO integrations. The role includes collaboration on technical decisions, mentoring developers, and contributing to production-grade enterprise solutions. 🗂️ Requirements: 5+ years of commercial development experience, Strong Python knowledge, Commercial experience with React, Experience building web applications, Experience with Django, FastAPI or similar frameworks, Experience designing software architecture, Experience building scalable applications, Experience working with production systems, Practical knowledge of REST API, Knowledge of authentication and authorization, English level B2 or higher 📃 Skills: Python, React, Django, FastAPI, Celery, Docker, REST, SSO, API, Microservices 🏢 Description: O projekcie Projekt dotyczy budowy rozwiązania wspierającego organizacje enterprise we wdrażaniu i zarządzaniu agentami AI. Produkt rozwijany jest we współpracy z klientami enterprise i odpowiada na rzeczywiste potrzeby biznesowe. O roli Poszukujemy Senior Full Stack Developera, który dołączy do zespołu rozwijającego aplikację webową dla klientów enterprise. Jest to rola Full Stack z wyraźnym naciskiem na rozwój backendu w Pythonie. Będziesz rozwijać zarówno backend, jak i frontend aplikacji, uczestniczyć w projektowaniu rozwiązań oraz brać udział w decyzjach architektonicznych. Zakres obowiązków rozwój aplikacji webowej z wykorzystaniem Pythona i React, projektowanie i rozwój backendu, rozwój komponentów frontendowych w React, rozwój REST API, rozwój i utrzymanie aplikacji produkcyjnych, projektowanie skalowalnych rozwiązań dla klientów enterprise, praca nad authentication, authorization i integracjami SSO, udział w decyzjach architektonicznych oraz proponowanie rozwiązań, udział w code review i design sessions, współpraca z zespołem przy podejmowaniu decyzji technicznych, wspieranie mniej doświadczonych programistów poprzez dzielenie się wiedzą. Stack technologiczny Python React Django Celery Docker Czego oczekujemy 5 lat lub więcej doświadczenia komercyjnego, bardzo dobrej znajomości Pythona, komercyjnego doświadczenia z React, doświadczenia w tworzeniu aplikacji webowych, doświadczenia z Django, FastAPI lub podobnym frameworkiem, doświadczenia w projektowaniu architektury oprogramowania, doświadczenia w budowaniu skalowalnych aplikacji, doświadczenia w pracy z systemami produkcyjnymi, praktycznej znajomości REST API, znajomości zagadnień związanych z authentication i authorization, bardzo dobrej komunikacji, języka angielskiego na poziomie minimum B2. Dodatkowym atutem będzie doświadczenie z aplikacjami enterprise, znajomość SSO lub federated identity, doświadczenie w tworzeniu Python SDK, doświadczenie z architekturą opartą o API lub mikroserwisy. Model pracy praca w modelu hybrydowym w Krakowie, preferowane 1–3 dni w tygodniu w biurze (możliwe jest indywidualne ustalenie liczby dni). Oferujemy wynagrodzenie: 160–270 PLN/h, współpracę w oparciu o B2B, długoterminową współpracę, realny wpływ na architekturę i rozwiązania techniczne, pracę nad produktem dla klientów enterprise, pracę nad produktem wykorzystującym rozwiązania AI. Proces rekrutacyjny Rozmowa z rekruterem. Rozmowa Cultural Fit. Rozmowa techniczna. Decyzja. Proces nie obejmuje zadania domowego ani live codingu.

🏢 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 +