Java Fullstack Developer (lottery)

🏢 Summary: Full Stack Engineer (frontend-focused) role in an international team delivering scalable enterprise and cloud-native applications, with strong emphasis on modern frontend architecture and UI development. The position covers full software lifecycle, frontend architecture design, and integration with backend services. The role impacts product architecture, performance, and quality in complex digital transformation projects. 🗂️ Requirements: Very good knowledge of frontend architecture and best practices, Very good knowledge of HTML5, Very good knowledge of CSS3, Very good knowledge of JavaScript (ES6+), Experience with Angular, React or Vue, Experience with component-based architecture, Experience with state management (Redux, Zustand or Vuex), Experience integrating with REST API and/or GraphQL, Knowledge of authentication mechanisms (OAuth2, JWT, session-based auth), Basic knowledge of relational and NoSQL databases, General understanding of backend technologies (e.g. Spring Boot) 📃 Skills: HTML5, CSS3, JavaScript, TypeScript, Angular, React, Vue, Redux, Zustand, Vuex, REST, GraphQL, OAuth2, JWT, SQL, NoSQL, SpringBoot, CI/CD 🏢 Description: Poszukujemy doświadczonego Full Stack Engineera ze specjalizacją frontend , który dołączy do międzynarodowego zespołu pracującego nad nowoczesnymi, skalowalnymi aplikacjami klasy enterprise ☁️ Będziesz uczestniczyć w tworzeniu rozwiązań wspierających transformację cyfrową, modernizację interfejsów użytkownika oraz rozwój aplikacji cloud-native, mając realny wpływ na architekturę i jakość produktu. 🎯 Zakres obowiązków Udział w pełnym cyklu życia oprogramowania: od koncepcji po wdrożenie 🔄 Projektowanie i rozwój nowoczesnych interfejsów użytkownika 🌐 Przekładanie projektów UX/UI na responsywne i wydajne rozwiązania 🎨 Współpraca z UX Designerami, Backend Developerami i Product Managerami 🤝 Tworzenie architektury frontendowej opartej o komponenty i design systemy 🧩 Integracja frontendów z API i usługami backendowymi 🔗 Optymalizacja wydajności, skalowalności i kompatybilności aplikacji ⚡ Udział w code review, testach oraz procesach CI/CD ✅ Praca nad złożonymi projektami w środowisku międzynarodowym 🌍 Wymagania Bardzo dobra znajomość architektury frontend i dobrych praktyk Bardzo dobra znajomość: HTML5, CSS3 🧱 JavaScript (ES6+) 🟨 Doświadczenie z jednym z frameworków frontend: Angular (preferowany) 🅰️ React ⚛️ lub Vue 💚 Znajomość TypeScript będzie dużym atutem Doświadczenie z architekturą komponentową i state management (Redux, Zustand, Vuex) Doświadczenie w integracji z REST API i/lub GraphQL 🔌 Znajomość mechanizmów uwierzytelniania (OAuth2, JWT, session-based auth) 🔐 Podstawowa znajomość baz danych relacyjnych i NoSQL 🗄️ Ogólne zrozumienie technologii backendowych (np. Spring Boot)

🏢 Summary: Hybrid Fullstack Engineer role in Warsaw focused on building scalable enterprise applications using Node.js, C#, .NET, React, AngularJS, and SQL Server. The position involves backend and frontend development, architecture contributions, and collaboration with cross-functional engineering teams. Experience with cloud-native and containerized technologies is considered a plus. 🗂️ Requirements: 7+ years of full-stack development experience, Expertise in React, Expertise in Node.js, Expertise in C#, Expertise in ASP.NET, Strong SQL Server experience, Experience building scalable enterprise applications, Experience developing APIs, Strong application design skills, Analytical and problem-solving skills, Attention to software quality, Communication skills, Collaboration skills 📃 Skills: Node.js, C#, .NET, React, AngularJS, SQL, T-SQL, ASP.NET, SQLServer, APIs, Cloud, Containers, Streaming 🏢 Description: Fullstack Engineer Warsaw, hybrid. Responsibilities Develop and maintain server-side applications using Node.js, C#, and .NET . Build responsive user interfaces with React and AngularJS . Design and optimize SQL Server solutions, including T-SQL and stored procedures. Contribute to application architecture, technical design, and technology decisions. Build scalable solutions leveraging modern cloud, container, and streaming technologies. Collaborate with cross-functional engineering teams to deliver high-quality software. Requirements 7+ years of full-stack development experience . Strong hands-on expertise in React, Node.js, C#, ASP.NET , and SQL Server . Experience developing scalable enterprise applications and APIs. Strong application design, analytical, and problem-solving skills. High attention to detail and commitment to software quality. Excellent communication and collaboration skills. Nice to Have Experience with cloud-native, containerized, or event-driven architectures. Financial services or large enterprise environment experience.

🏢 Summary: Backend-focused Fullstack Engineer role (80% backend) focused on designing and maintaining scalable, secure backend services and APIs for data-driven and integration platforms. The position involves working with distributed systems, system integrations, and cloud infrastructure while contributing to frontend development with React. You will own features end-to-end from design to deployment in a distributed international team. 🗂️ Requirements: ~5 years backend experience with Node.js and TypeScript, Strong knowledge of relational databases, Experience building REST APIs and distributed services, Hands-on experience with cloud infrastructure, Experience with Kubernetes, Practical experience with React, Experience with system integrations 📃 Skills: TypeScript, Node.js, React, PostgreSQL, GCP, Kubernetes, REST, SQL 🏢 Description: Fullstack Engineer (Backend-Focused) We’re looking for a Backend-heavy Fullstack Engineer (80% backend, 20% frontend) to join a distributed team building critical data and integration platforms. What You’ll Do Design and maintain scalable, secure backend services and APIs Work on system integrations and data-centric platforms Collaborate across frontend, backend, and data teams Take full ownership of features from design to deployment Tech Stack TypeScript / Node.js , React Relational databases (PostgreSQL or similar) Cloud infrastructure (GCP), Kubernetes REST APIs, system integrations, distributed services Who We’re Looking For ~5 years backend experience with Node.js / TypeScript Strong relational database knowledge Experience with React (frontend contribution) Cloud and Kubernetes experience Excellent communication skills , ownership, and proactive collaboration Comfortable working in distributed international teams

🏢 Summary: Senior Fullstack Engineer role focused on strengthening application security across a global platform. The position involves resolving security findings, upgrading Java and TypeScript dependencies, and ensuring system stability across backend and frontend layers. The engineer works on enterprise-grade financial systems with strong emphasis on secure design and integration. 🗂️ Requirements: 7+ years of Java enterprise development experience, Strong experience in application security analysis and remediation, Experience with dependency management and upgrades, Proficiency in Java SE and JEE, Proficiency in TypeScript, Experience with Spring framework, Experience with JMS, Experience with JPA and Hibernate, Frontend experience with Angular (v2+), Experience with Observables and Redux, Experience with IAM integrations (OAuth, OIDC, SSO), Knowledge of enterprise integration and design patterns, Experience working with financial systems 📃 Skills: Java, JavaSE, JEE, TypeScript, Spring, JMS, JPA, Hibernate, Angular, Observables, Redux, OAuth, OIDC, SSO, IAM, Security, Finance, Patterns 🏢 Description: We are looking for a Senior Fullstack Engineer with a strong security focus to support a global platform. The role involves resolving security findings, upgrading dependencies (Java & TypeScript), and ensuring that security improvements do not impact system functionality. You will collaborate with distributed international teams. Key Responsibilities Investigate and remediate security findings across the platform Upgrade and maintain dependencies (Java, TypeScript/JavaScript) Ensure security fixes do not affect application stability and performance Contribute across both backend and frontend layers Collaborate with global teams and stakeholders Must Have 7+ years of experience in Java enterprise development Strong background in application security (analysis & remediation) Experience with dependency management and upgrades Proficiency in Java SE/JEE and TypeScript Experience with Spring, JMS, JPA/Hibernate Frontend experience with Angular (v2+) , Observables, Redux Experience with IAM integration (OAuth, OIDC, SSO) Knowledge of enterprise integration/design patterns Experience in financial systems Fluent English and strong communication skills Nice to Have Experience with Apache Camel Familiarity with Jenkins, Harness IO, Kafka

🏢 Summary: The offer is for a Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. The role involves working with Python, PostgreSQL, and AWS-based cloud environments to deliver reliable, high-performance solutions. It also includes contributing to CI/CD pipelines and cloud-native infrastructure setup. 🗂️ Requirements: Strong experience with TypeScript, Proficiency in React or Angular, Backend and RESTful API development experience, Experience with Python, Knowledge of relational databases, Experience with PostgreSQL, Experience with AWS cloud services, Ability to work across the full stack, Experience with CI/CD pipelines, Experience with cloud infrastructure setup 📃 Skills: TypeScript, React, Angular, Python, REST, PostgreSQL, AWS, CI/CD, Kubernetes, Docker 🏢 Description: Do you enjoy building polished, user-friendly applications while working across the full stack? We are looking for a talented Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. You’ll also get to leverage Python for backend scripting and work with cloud-native systems to deliver solutions that make a real impact. What You’ll Do: Build and maintain RESTful APIs and backend services in a cloud environment. Develop responsive frontend applications using React/TypeScript or Angular. Work with relational databases (PostgreSQL) and integrate multiple data sources. Ensure applications are reliable, scalable, and performant. Collaborate with stakeholders to translate requirements into high-quality technical solutions. Contribute to CI/CD pipelines, deployment automation, and cloud infrastructure setup. Must Haves: Strong experience with TypeScript and React or Angular Backend/API development experience and familiarity with Python Knowledge of relational databases and cloud-based systems (AWS preferred) Ability to work across the full stack and take ownership of solutions Nice to Haves: Experience with distributed systems or service-oriented architectures Familiarity with containers, Kubernetes, and cloud-native deployment patterns Exposure to data-intensive or analytics-driven applications

🏢 Summary: Full Stack Software Engineer role focused on building scalable backend services and RESTful APIs while developing modern frontend applications using TypeScript and React or Angular in a cloud environment. The position involves working across the full stack, leveraging Python, PostgreSQL, and AWS to deliver reliable, high-performance solutions. You will contribute to CI/CD pipelines and cloud infrastructure setup to support scalable deployments. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React or Angular, Backend and RESTful API development experience, Experience with Python, Knowledge of relational databases, Experience with cloud-based systems, Ability to work across the full stack 📃 Skills: TypeScript, React, Angular, Python, REST, PostgreSQL, AWS, CI/CD, Kubernetes, Docker 🏢 Description: Do you enjoy building polished, user-friendly applications while working across the full stack? We are looking for a talented Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. You’ll also get to leverage Python for backend scripting and work with cloud-native systems to deliver solutions that make a real impact. What You’ll Do: Build and maintain RESTful APIs and backend services in a cloud environment. Develop responsive frontend applications using React/TypeScript or Angular. Work with relational databases (PostgreSQL) and integrate multiple data sources. Ensure applications are reliable, scalable, and performant. Collaborate with stakeholders to translate requirements into high-quality technical solutions. Contribute to CI/CD pipelines, deployment automation, and cloud infrastructure setup. Must Haves: Strong experience with TypeScript and React or Angular Backend/API development experience and familiarity with Python Knowledge of relational databases and cloud-based systems (AWS preferred) Ability to work across the full stack and take ownership of solutions Nice to Haves: Experience with distributed systems or service-oriented architectures Familiarity with containers, Kubernetes, and cloud-native deployment patterns Exposure to data-intensive or analytics-driven applications

🏢 Summary: Senior Java Full-Stack Engineer role focused on designing and building scalable cloud-native applications with modern frontend and backend technologies. The position involves developing robust APIs and services, contributing to architecture decisions, and improving platform reliability, performance, and security. This is a long-term remote B2B contract within a senior engineering environment. 🗂️ Requirements: Senior-level experience in software engineering, Strong hands-on experience with Java, Experience in backend development, Full-stack development experience with modern frontend frameworks, Understanding of cloud platforms and cloud-native architectures, Experience building production-grade, scalable systems, Ability to design APIs and backend services, Knowledge of containers and CI/CD practices 📃 Skills: Java, GCP, AWS, Azure, Kubernetes, Docker, CI/CD, APIs, Microservices, Frontend, Cloud, DevOps 🏢 Description: We are seeking a highly skilled Java Full-Stack Engineer to join our engineering team in building and evolving cloud-based products. The ideal candidate will possess extensive experience in software development, particularly with Java and modern frontend technologies. A strong understanding of cloud platforms, specifically GCP, is highly desirable, along with the ability to work independently within a senior engineering environment. What we offer: Remote Role Long Term B2B Contract Rate: 170-190 PLN/H + VAT Main Responsibilities Design, build, and maintain scalable full-stack applications using Java and modern frontend technologies. Develop robust backend services, APIs, and integrations. Work with cloud-native architectures and deployment models. Contribute to technical architecture and engineering decision-making. Improve reliability, performance, security, and maintainability of the platform. Collaborate closely with product, design, and engineering colleagues. Mentor other engineers and help raise the technical bar across the team. Explore and apply modern development practices, including AI-assisted and agentic coding workflows where relevant. Key Requirements Strong senior-level experience as a software engineer. Deep hands-on experience with Java and backend development. Solid full-stack development experience, including modern frontend frameworks. Good understanding of cloud platforms and cloud-native engineering. Ability to work independently and make sound technical decisions. Strong communication skills and the ability to collaborate across teams. Experience building production-grade systems with high standards for quality, scalability, and maintainability. Nice to Have Experience with Google Cloud Platform , though AWS or Azure experience is also relevant. Experience with Kubernetes, containers, CI/CD, observability, and modern DevOps practices. Knowledge of AI-assisted development tools, coding agents, or agentic coding workflows. Experience in fintech, identity, compliance, SaaS, or other high-trust environments.

🏢 Summary: Fullstack Developer role focused on building and enhancing a platform for managing and analyzing liabilities, with equal responsibility for backend development in Java/Spring Boot and frontend development in Angular. The position involves system integrations using messaging tools and active participation in testing and CI/CD processes. Mostly remote work with occasional on-site meetings. 🗂️ Requirements: Minimum 4 years of commercial experience, Strong knowledge of Java, Strong knowledge of Spring Boot, Strong knowledge of Angular, Strong knowledge of TypeScript, Experience with REST API, Experience with relational databases, Knowledge of SQL, Experience with Kafka or RabbitMQ, Experience with Docker, Experience with Kubernetes or other orchestration platform, English level B2 minimum, Polish level B2 minimum 📃 Skills: Java, SpringBoot, SpringSecurity, Angular, TypeScript, Kafka, RabbitMQ, SQL, Docker, Kubernetes, REST 🏢 Description: O projekcie Dołączysz do zespołu rozwijającego platformę wspierającą zarządzanie i analizę informacji o zobowiązaniach. Szukamy Fullstack Developera – będziesz pracować zarówno przy backendzie w Javie, jak i przy rozwoju interfejsu użytkownika w Angularze. Technologie: Java 11/17, Spring Boot, Spring Security, Angular, TypeScript, Kafka, RabbitMQ, MS SQL, Docker, Kubernetes, Jenkins, REST API. Lokalizacja: możliwa praca zdalna w dużym zakresie, ale preferowane są osoby z Krakowa i okolic ze względu na okazjonalne spotkania w biurze. Twoje zadania Rozwój backendu w Java i Spring Boot (około 50%). Rozwój frontendu w Angular (około 50%). Integracja systemów z wykorzystaniem Kafka i RabbitMQ. Udział w testowaniu, code review oraz procesach CI/CD. Wymagania Minimum 4 lata doświadczenia. Bardzo dobra znajomość Java oraz Spring Boot. Bardzo dobra znajomość Angular i TypeScript. Znajomość REST API. Doświadczenie z relacyjnymi bazami danych i SQL. Znajomość systemów messagingowych (Kafka lub RabbitMQ). Doświadczenie z Dockerem oraz Kubernetes, OpenShift lub inną platformą orkiestracji. Znajomość języka angielskiego na poziomie min. B2. Znajomość języka polskiego na poziomie min. B2. Mile widziane Doświadczenie z AWS lub Azure. Znajomość Redis. Doświadczenie przy migracjach do środowisk chmurowych.

🏢 Summary: The role involves developing and maintaining internal platforms and system integrations across HR, recruitment, and corporate operations. It combines backend and frontend development with API design, enterprise system integration, and platform optimization. The engineer will enhance system reliability, scalability, and deployment processes while contributing to architectural decisions. 🗂️ Requirements: 5+ years of software development experience, Experience in system integrations, Proficiency in Java or Python, Experience with frontend technologies, Experience building web applications, Strong API design knowledge, Experience integrating third-party services, Strong SQL knowledge, Experience with relational databases, Experience with Git, Experience with CI/CD pipelines, Ability to troubleshoot production systems 📃 Skills: Java, Python, JavaScript, HTML, CSS, SQL, Git, CI/CD, APIs, REST, SaaS 🏢 Description: Fullstack / Integration Engineer We are looking for an experienced engineer to support the development and evolution of internal platforms and integrations across key business areas such as HR, recruitment, and corporate operations. This role combines application development, systems integration, and platform improvement initiatives. 🔹 Key responsibilities Build and maintain integrations between internal systems and external SaaS solutions Develop and enhance internal applications and corporate-facing web platforms Design APIs and data flows connecting various enterprise systems (HR, finance, recruitment) Improve existing platforms in terms of performance, scalability, and maintainability Work closely with business stakeholders to translate needs into technical solutions Ensure system reliability through monitoring, alerting, and operational best practices Support and optimize deployment processes and development workflows Contribute to architectural decisions and technical standards Share knowledge within the team and support less experienced colleagues 🔹 Requirements 5+ years of experience in software development and system integrations Proficiency in at least one backend language - Java or Python Familiarity with frontend technologies (JavaScript, HTML, CSS or frameworks) Experience building and maintaining web applications (internal and/or external) Strong knowledge of API design and integration with third-party services Solid SQL skills and experience working with relational databases Experience with version control (e.g. Git) and CI/CD practices Ability to troubleshoot production systems and resolve issues effectively Strong communication skills and ability to work with business stakeholders 🔹 Nice to have Experience working with HR or recruitment systems and related SaaS platforms Exposure to platform modernization or system transformation initiatives

🏢 Summary: Fullstack Software Engineer responsible for end-to-end development of scalable software solutions in an agile environment, from design to deployment. The role combines backend development with Java/Spring Boot and frontend development with Angular, including testing, CI/CD, and system integration. It involves active participation in sprint planning, quality assurance, and continuous improvement of development processes. 🗂️ Requirements: 2–6 years experience as Fullstack Developer, Strong knowledge of Java, Strong knowledge of Jakarta EE, Strong knowledge of Spring Boot, Experience with REST APIs, Experience with Microservices architecture, Experience with Angular (2+), ideally Angular 21, Experience with relational databases, Strong SQL skills, Experience with CI/CD pipelines, Experience with test automation, Experience with modular and scalable architectures, Ability to handle deployments across test environments 📃 Skills: Java, JakartaEE, SpringBoot, REST, Microservices, Angular, SQL, CI/CD, JUnit, Maven, Git, Scrum 🏢 Description: Wir suchen einen kommunikativen, proaktiven und technologiebegeisterten Fullstack Software Engineer , der komplexe Anforderungen nicht nur technisch hervorragend umsetzt, sondern auch aktiv an der Weiterentwicklung des Teams mitwirkt. Wenn du gerne Verantwortung übernimmst, cross-funktional arbeitest und in einem agilen Umfeld echten Impact schaffen möchtest – dann bist du bei uns genau richtig. Start: asap Skill-Level: Professional (2–6 Jahre) Standort: Remote & Onsite (1x pro Monat 2-3 Tage in FFM und alle 12 Wochen 1-2 Tage in FFM oder Aschheim (beides muss), rest remote Deine Aufgaben Als Fullstack Software Engineer übernimmst du die End-to-End-Verantwortung für die Entwicklung moderner Softwarelösungen – von der Analyse bis zur produktiven Auslieferung: Konzeption, Design, Entwicklung, Test, Pflege und Wartung von Softwaremodulen Umsetzung modularer, skalierbarer und wartbarer Architekturen Entwicklung von Backend-Services auf Basis von Java / Jakarta EE / Spring Boot Entwicklung von modernen Frontends mit Angular 21 Durchführung von Entwicklertests inkl. Testautomatisierung Integration von Modulen, Datenbanken und Software-Einheiten ins Gesamtsystem Verantwortung für Deployments und Freigaben in verschiedenen Testumgebungen Schätzung und Spezifikation von Anforderungen im Rahmen der Sprintplanung Abstimmung fachlicher Themen mit internen und externen Schnittstellen Aktive Mitgestaltung im Team: Definition von Fertigstellungskriterien, Selbstorganisation, Priorisierung Kontinuierliche Verbesserung von Entwicklungsprozessen und Teamabläufen Unterstützung des Produktmanagers bei der Ausgestaltung von Entwicklungsartefakten Qualitätssicherung und Einforderung von Maßnahmen zur Erreichung der Produktziele Dein Profil Du bist ein kommunikativer Teamplayer mit hoher technischer Kompetenz und Qualitätsanspruch: Must-have Skills 2–6 Jahre Erfahrung als Fullstack Entwickler Sehr gute Kenntnisse in Java/Jakarta EE , Spring Boot , REST , Microservices Erfahrung in der Frontend-Entwicklung (Angular 2+, idealerweise Angular 21) Erfahrung mit relationalen Datenbanken & SQL Sicher im Umgang mit CI/CD, Testautomatisierung und modernen Entwicklungswerkzeugen Souveräne Kommunikation – auch über Teamgrenzen hinaus Hoher Qualitätsanspruch, strukturierte Arbeitsweise und Verantwortungsbewusstsein Nice-to-have Erfahrung in regulierten Umfeldern (z. B. Banken) Umgang mit komplexen Abhängigkeiten und fachlichen Schnittstellen Kenntnisse in agiler Entwicklung (Scrum, SAFe) Troubleshooting-Kompetenzen Lernbereitschaft, Offenheit und Mut, aktiv Themen voranzutreiben Was wir uns persönlich wünschen Wir suchen keine reine Entwicklerrolle , sondern jemanden, der mitdenkt, kommuniziert und das Team stärkt. Ein extrovertierter, offener Charakter, der fachliche Themen selbstbewusst vertritt und die agile Zusammenarbeit lebt, passt perfekt zu dieser Position. Interessiert? Dann freuen wir uns auf dein Profil! Sende uns gerne deinen CV oder eine kurze Rückmeldung – wir melden uns schnellstmöglich bei dir.