Full Stack Developer

🏢 Summary: Full Stack Developer role with a primary focus on backend development in Java, responsible for building and maintaining scalable, secure microservices and REST APIs within an Agile environment. The position involves database design, cloud integration, and CI/CD pipeline participation, with additional work on modern React-based frontend components. The role emphasizes high code quality, performance optimization, and secure application architecture. 🗂️ Requirements: 5+ years experience in Full Stack or Backend development, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Cloud platform experience (AWS, Azure, or GCP), Experience working in Agile teams, Bachelor’s or Master’s degree in Computer Science or related field 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, React, Redux, TypeScript, JavaScript, HTML5, CSS3, MaterialUI, Bootstrap, Tailwind, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is also required. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer. Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Senior Java Backend Engineer role focused on designing and developing scalable microservices and REST APIs within a large-scale loyalty platform used across multiple European markets. The position involves building highly available backend services, contributing to architecture decisions, and ensuring high code quality in a cloud-based environment. The role also includes collaboration in Agile teams and technical mentoring of other developers. 🗂️ Requirements: Minimum 5 years commercial experience in Java backend development, Strong knowledge of Java 17+, Strong experience with Spring ecosystem (Spring Boot, Spring Data, Security, Web/WebFlux, Integration), Experience designing and implementing RESTful APIs, Hands-on experience with microservices architecture, Experience with PostgreSQL, Experience with NoSQL databases (CosmosDB), Experience with asynchronous communication patterns (queues/topics), Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Strong knowledge of Gradle 8+, Experience working in Microsoft Azure cloud, Knowledge of clean code principles and design patterns, Experience working in Agile (Scrum), Fluent English (B2/C1) 📃 Skills: Java, Spring, SpringBoot, SpringData, SpringSecurity, WebFlux, REST, Microservices, PostgreSQL, NoSQL, CosmosDB, Azure, CI/CD, GitHubActions, AzurePipelines, Jenkins, Docker, Kubernetes, Gradle, Scrum 🏢 Description: Circle K Business Centre Warsaw is a shared service center supporting Circle K Europe across IT, Finance, Human Resources, Customer Service and other business areas. Circle K is part of Alimentation Couche-Tard Inc., one of the world’s largest convenience retail companies, operating globally across North America, Europe, Asia and the Middle East, with over 12,300 locations worldwide. Our continuously growing development organization (300+ IT professionals) delivers large‑scale software solutions used daily by millions of customers across Europe and North America. About the Team Loyalty Crafters is a backend engineering team responsible for key components of Circle K’s loyalty platform, including EXTRA 2.0. The team develops scalable backend services powering loyalty programs, personalized offers, campaigns, and rewards across multiple European markets. Key Responsibilities Design and develop backend services within Circle K’s loyalty ecosystem Build and maintain scalable, highly available microservices Develop and evolve REST APIs used by mobile and web applications Contribute to architectural and technical decisions Ensure high code quality through reviews and best engineering practices Mentor and support less experienced developers Collaborate with Product Owners, QA Engineers, Architects and other teams Required Skills and Experience At least 5 years of commercial experience in Java backend development Strong knowledge of Java (17+) and Spring ecosystem (Spring Boot, Spring Data, Security, Web/WebFlux, Integration) Experience in designing and implementing RESTful APIs Hands-on experience with microservices architecture Experience with relational databases, especially PostgreSQL Experience with non-relational/NoSql databases like Azure CosmosDB Experience with asynchronous communication patterns (queues/topics), Experience with CI/CD pipelines like GitHub Actions, Azure Pipelines or Jenkins Experience with Docker and Kubernetes Strong knowledge of Gradle 8+ Experience working in cloud environments (Microsoft Azure) Knowledge of clean code principles and software design patterns Experience working in Agile environments (Scrum) Fluent English (B2/C1) Nice to Have Experience with event-driven architectures (e.g. Kafka) Understanding of how AI‑based tools and solutions can support software development and product features Knowledge of Domain-Driven Design (DDD) Knowledge of Test-Driven-Develop (TDD) Experience with observability and monitoring tools Experience in loyalty, e-commerce or large-scale consumer platforms Technical leadership or mentoring experience What do we offer: Contract of employment Annual bonus Private medical care Cafeteria Platform/Multisport English lessons subsidized by the company Group insurance Attractive discounts for products and services at our stations Employee stock purchase plan Employee Assistance Program (Lyra) Modern and convenient office that you can virtually visit here - https://goo.gl/maps/CLteHfYcdYMbdESq6 Trainings & possibility to develop skills in a wide international environment When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely – we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome. Check who we are here: https://youtu.be/td-QGnNnvW0 Want to know even more about us? Take a look at our career page: https://workwithus.circlek.com/global/en/businesscentrewarsaw Interested? We encourage you to apply. We know great companies are built from within, by great people like you. Come grow with us!We´re looking forward to your application. We hereby inform that in the company Circle K Business Centre Poland sp. z o.o. with registered office in Warsaw an Internal Notification and Follow-up Actions Procedures applies. The document describes rules for reporting violations of law by whistleblowers. Full content of the above-mentioned Procedure is available here: https://www.circlek.pl/o-nas/procedury-zgloszen

🏢 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: Integration Developer role focused on designing, building, and supporting scalable cloud-native integrations across a diverse application landscape. The position uses Java, Python, Oracle Cloud services, Docker, and Kubernetes to deliver reliable APIs and integration flows throughout their full lifecycle. 🗂️ Requirements: Bachelor’s degree in Computer Science, Information Technology, or related field, Integration Developer or similar experience, Kubernetes and microservices architecture experience, Java programming experience, Python programming experience, Spring Boot, REST, SOAP, and Camel experience, Docker and container orchestration expertise, CI/CD and version control knowledge, Network protocols, security principles, and cloud infrastructure knowledge, Problem-solving and attention to detail 📃 Skills: Java, Python, SpringBoot, REST, SOAP, Camel, Kubernetes, Docker, Microservices, CI/CD, Git, Jenkins, OracleCloud 🏢 Description: We are looking for Developer in Integrations Development team to be part of our team which is responsible (but not limited to) for developing and maintaining integrations between various applications company is using to run the business. Our role is to be part of whole lifecycle of the implementing of such integrations - from helping business process owners to realize idea, setting up requirements, development, production deployment, handover to support lines up to benefits realization of what our work has contributed. As a retail business company with long history, many support offices and thousands of stores around the globe it is not a surprise that application and technology portfolio is fairly wide - from top-new digital platforms to large ERP accounting systems, from presence in public clouds, using newest beta services to on-site server based CRM applications. Our talent is to fulfill any demand if it gives value disregard how different the applications we are integrating might be. We are looking for you if you are ready for such challenges which in the end are making work and life more interesting and engaging! Responsibilities Design and implement highly scalable, resilient, and performant cloud-native integration solutions. Create and manage containerized applications using Docker and Kubernetes, ensuring seamless deployment and orchestration. Write clean, maintainable, and efficient code to build integration services. Develop integration flows and APIs using a mix of custom code in Java and Python, and Oracle Cloud native services. Ensure that integrations are designed with scalability, reliability, and fault tolerance in mind. Collaborate with cross-functional teams to understand business requirements and translate them into technical specifications. Proactively identify and resolve any issues related to the performance and reliability of integrations. Advocate for and implement best practices in cloud architecture, Kubernetes management, integration design, and coding. Ensure all solutions adhere to enterprise security policies and compliance requirements. Document all processes, designs, and deployments meticulously for future reference and for the use of other team members. Work closely with other developers, architects, and product teams to deliver end-to-end solutions. Provide technical guidance and support to other team members. Participate in code reviews, team meetings, and knowledge-sharing sessions. Requirements Bachelor’s degree in computer science, Information Technology, or a related field. Proven experience as an Integration Developer or similar role, with a focus on Kubernetes and microservices architecture. Strong programming skills and experience in languages such as Java, Python, Spring Boot, REST, SOAP, Camel. In-depth knowledge of Kubernetes, Docker, and related container orchestration and management technologies. Familiarity with CI/CD tools and version control systems (e.g., Git, Jenkins). Solid understanding of network protocols, security principles, and cloud infrastructure. Excellent problem-solving abilities and a strong attention to detail. Nice to have Understanding of retail business processes. Experience with public clouds. Experience in test automation for unit and integration testing. What do we offer? Contract of employment Annual bonus Private medical care Cafeteria Platform/Multisport English lessons subsidized by the company Group insurance Attractive discounts for products and services at our stations Employee stock purchase plan Employee Assistance Program (Lyra) Two additional days off (Good Friday, Friday after Corpus Christi) – with the possibility of exchanging for other holidays Employee Referral Bonus Program Modern and convenient office that you can virtually visit here - https://goo.gl/maps/CLteHfYcdYMbdESq6 Trainings & possibility to develop skills in a wide international environment When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely – we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome. Check who we are here: https://youtu.be/td-QGnNnvW0 Want to know even more about us? Take a look at our career page: https://workwithus.circlek.com/global/en/businesscentrewarsaw Interested? We encourage you to apply. We know great companies are built from within, by great people like you. Come grow with us! We´re looking forward to your application We hereby inform that in the company Circle K Business Centre Poland sp. z o.o. with registered office in Warsaw an Internal Notification and Follow-up Actions Procedures applies. The document describes rules for reporting violations of law by whistleblowers. Full content of the above-mentioned Procedure is available here: https://www.circlek.pl/o-nas/procedury-zgloszen

🏢 Summary: Offer for an Intermediate Full Stack Developer to build and develop cloud-based applications using C#, .NET and modern JavaScript frameworks in an Agile environment. The role includes designing microservices, working with relational databases, containerization, and integrating public cloud components. The position involves full software lifecycle development, optimization, maintenance, and collaboration with QA and infrastructure teams. 🗂️ Requirements: Very good knowledge of C# and .NET Core/.NET, Good knowledge of JavaScript/TypeScript and modern web application development principles, Practical experience with MS SQL Server and PostgreSQL, including data modeling and query optimization, Experience in designing, implementing and maintaining microservices architecture, Practical knowledge of containerization technologies (Docker or similar), Experience with at least one ORM tool (e.g. Entity Framework), Experience with React or another JavaScript framework for building interactive UI, Knowledge of Git and code review / pull request workflow, Experience in writing and maintaining unit and integration tests, Ability to translate business requirements into technical solutions, Experience working in Agile/Scrum/Kanban environments 📃 Skills: C#, .NET, .NET Core, JavaScript, TypeScript, React, Golang, Python, MS SQL Server, PostgreSQL, Docker, Entity Framework, Git, SCRUM, Azure, GCP, OpenAI, Vertex AI, VMware, OpenStack, KVM, Hyper-V 🏢 Description: OChK to wiodący dostawca usług chmurowych w Polsce, z ugruntowanym doświadczeniem w rozwiązaniach z obszaru zaawansowanej analityki danych, sztucznej inteligencji i cyberbezpieczeństwa. Bogate portfolio usług dodanych konsekwentnie rozwija zarówno na autorskiej Platformie OChK, jak i na platformach chmurowych strategicznych partnerów: Google i Microsoft. Eksperci OChK tworzą skalowalne i bezpieczne środowiska, zgodnie z najlepszymi praktykami i standardami rynkowymi, wspierając cele biznesowe klientów na każdym etapie wdrażania chmury. Świadczą kompleksowe usługi: od strategii i migracji, przez zarządzanie środowiskiem IT i utrzymanie, budowę aplikacji i rozwiązań data/AI, po optymalizację, automatyzację, bezpieczeństwo i wsparcie w zakresie zgodności wdrażanych rozwiązań z regulacjami. Z usług OChK korzysta blisko 400 organizacji z niemal wszystkich sektorów, w tym instytucje publiczne, firmy prywatne, korporacje, podmioty nadzorowane i startupy. Aktualnie do naszego zespołu Product Development szukamy: Full Stack Developer Miejsce pracy: Warszawa (Grzybowska 62) / hybrydowo lub zdalnie Wynagrodzenie: 13000-15000 brutto, UoP Dostępność: pełen etat Poziom stanowiska: Intermediate Twój zakres obowiązków: tworzenie nowych i rozwijanie istniejących aplikacji (wykorzystanie technologii C#, JavaScript, Golang, React), optymalizacja aplikacji i doskonalenie kodu, sporządzanie dokumentacji technicznej aplikacji, uczestnictwo w procesie wytwórczym prowadzonym z wykorzystaniem SCRUM, utrzymanie oprogramowania i obsługa zgłoszeń błędów, współpraca z zespołem testerskim, prezentowanie efektów swoich prac w formie prezentacji live demo na spotkaniach wewnętrznych i zewnętrznych, poznawanie i wykorzystywanie komponentów dostawców chmur publicznych, kreowanie środowiska w modelu programowalnej infrastruktury. Nasze wymagania: bardzo dobra znajomość języka programowania C# oraz platformy .NET Core/.NET, dobra znajomość JavaScript/TypeScript oraz zasad tworzenia nowoczesnych aplikacji webowych, praktyczna znajomość relacyjnych baz danych MS SQL Server i PostgreSQL, w tym projektowania struktur danych, optymalizacji zapytań oraz analizy wydajności, doświadczenie w projektowaniu, implementacji oraz utrzymaniu rozwiązań na bazie architektury mikroserwisowej, praktyczna znajomość technologii konteneryzacji oraz wdrażania aplikacji w środowiskach na bazie Docker i podobne rozwiązania, znajomość co najmniej jednego narzędzia ORM, np. Entity Framework, wraz ze zrozumieniem zasad mapowania obiektowo-relacyjnego, znajomość frameworka JavaScriptowego, preferowany React, oraz doświadczenie w tworzeniu interaktywnych interfejsów użytkownika, znajomość systemów kontroli wersji (GIT), oraz pracy w modelu opartym o code review i pull requesty, doświadczenie w tworzeniu oraz utrzymaniu testów jednostkowych i integracyjnych, umiejętność analizowania wymagań biznesowych i przekładania ich na rozwiązania techniczne, umiejętność pracy w zespołach wykorzystujących metodyki zwinne (Agile, Scrum, Kanban), samodzielność, odpowiedzialność za realizowane zadania oraz umiejętność efektywnej współpracy z zespołami projektowymi i infrastrukturalnymi, gotowość do ciągłego rozwoju kompetencji technicznych i poznawania nowych technologii. Mile widziane: znajomość i doświadczenie w programowaniu w języku Go, znajomość i praktyczne doświadczenie w programowaniu w języku Python, zainteresowanie oraz praktyczne doświadczenie w obszarze sztucznej inteligencji, w tym wykorzystania modeli generatywnych (LLM), narzędzi wspierających rozwój oprogramowania na bazie AI oraz integracji usług AI z aplikacjami biznesowymi, znajomość platform i usług AI dostępnych w środowiskach chmurowych (np. Azure AI Services, Vertex AI, OpenAI API), znajomość usług chmurowych Google Cloud Platform (GCP) oraz Microsoft Azure, w tym usług związanych z konteneryzacją, orkiestracją, monitoringiem i zarządzaniem infrastrukturą, znajomość produktów VMware (vSphere, NSX, vSAN) oraz innych technologii wirtualizacji i chmury prywatnej, takich jak OpenStack, KVM, Hyper-V i pokrewne rozwiązania. O OChK: pracujemy zadaniowo w trybie hybrydowym lub zdalnym, inwestujemy w Twój rozwój poprzez finansowanie szkoleń i certów, od pierwszego dnia pracy udostępniamy Ci platformy edukacyjne Google i Microsoft, pracujemy w zwinnym środowisku pracy, z wykorzystaniem aplikacji zwiększających efektywność, takich jak Google Workspace, Slack, GitHub, Jira, oferujemy prywatną opiekę medyczną, umożliwiamy ci przystąpienie do ubezpieczenia grupowego na preferencyjnych warunkach, pokrywamy koszt karty Multisport, organizujemy i współfinansujemy naukę języka angielskiego, cenimy proaktywność i inicjatywę własną, dlatego wspieramy autonomię w podejmowaniu decyzji, budujemy kulturę organizacyjną na wartościach, takich jak profesjonalizm, współodpowiedzialność i wzajemny szacunek, przykładamy dużą wagę do efektywnego onboardingu, podczas którego w luźnej atmosferze i przy pełnym wsparciu CloudBuddiego poznajesz zespół, firmę i swoje obowiązki.

🏢 Summary: Senior Full Stack Developer role focused on modernizing a large-scale corporate banking platform through legacy transformation into a modern API-driven and microservices-based architecture. The position involves backend development with Java and Spring, frontend work with Angular, enterprise integrations, and collaboration within an international Agile team. The offer includes a long-term high-impact project with complex engineering challenges and modern architecture practices. 🗂️ Requirements: Professional experience with Java, Commercial experience with Angular, Experience with Spring Framework, Experience with Spring Boot, Experience with Hibernate, Experience designing REST APIs, Knowledge of Microservices Architecture, Good SQL knowledge, Experience with Jasmine, Familiarity with Git, English communication skills, Experience working in Agile environments 📃 Skills: Java, Angular, Spring, SpringBoot, Hibernate, REST, Microservices, SQL, Jasmine, Git, JUnit, Cucumber, WebFlux, Reactor, DDD 🏢 Description: Join a long-term digital transformation project! We are looking for an experienced Senior Full Stack Developer to join an international team working on the modernization of a large-scale corporate banking platform. This is an excellent opportunity to contribute to the transformation of a legacy system into a modern, API-driven architecture while collaborating with highly skilled professionals in an Agile environment. Location Hybrid model (3 days per week in the office) Office locations: Warsaw (preferred) Gdańsk Gdynia Your responsibilities Design, develop, and maintain REST APIs using Java and Spring Build and enhance backend services based on microservices and monolithic architecture Participate in a large-scale legacy modernization initiative Develop integrations between multiple enterprise systems Contribute to frontend development using Angular Write and maintain unit tests (JUnit & Jasmine) Support BDD testing using Cucumber Perform code reviews and ensure high code quality Work with SQL databases, including query optimization and schema design Collaborate closely with developers, architects, business stakeholders, and QA teams Participate in Agile ceremonies (SAFe framework) Prepare technical documentation for APIs and solutions Required skills Strong commercial experience with Java Experience with Angular Hands-on knowledge of Spring Framework / Spring Boot / Hibernate Experience designing and developing REST APIs Solid understanding of Microservices Architecture Good knowledge of SQL Experience with Jasmine Familiarity with Git Nice to have Experience with Reactive Programming (WebFlux, Project Reactor) Knowledge of Domain-Driven Design (DDD) Experience with Hexagonal (Ports & Adapters) Architecture Experience with Cucumber / BDD Knowledge of SOLID principles and design patterns What you'll work on Modernizing a mission-critical enterprise platform Building modern APIs for corporate banking services Refactoring business logic from a monolithic application into microservices Working in an international team using English as the primary communication language Delivering solutions within a SAFe Agile environment What we offer Long-term project with high business impact Opportunity to work on large-scale system modernization rather than pure maintenance Challenging technical environment focused on modern architecture and best engineering practices International, collaborative team Professional growth through complex engineering challenges Requirements Professional experience developing enterprise applications with Java Experience working with Angular in commercial projects Strong communication skills in English Ability to work effectively in an Agile environment

🏢 Summary: Remote Full Stack Developer role focused on building and maintaining scalable digital health applications using Python and Vue.js. The position involves developing new features, contributing to MVPs and prototypes, and ensuring high performance and reliability in cloud-based environments. The role requires strong architectural understanding and hands-on experience with modern frontend and backend technologies. 🗂️ Requirements: 5+ years of frontend development experience, 5+ years of experience with Python, Strong experience with TypeScript, Strong experience with Vue.js, Understanding of SPA frameworks, Experience building scalable applications, Experience with cloud and DevOps tools, Fluency in English 📃 Skills: Python, Vue, TypeScript, JavaScript, SPA, React, Angular, Cloud, DevOps 🏢 Description: Full Stack Developer (Python+Vue) We are seeking a Full Stack Developer for a global life‑science company driving innovation in digital health . You will build and maintain scalable applications, working closely with cross‑functional teams and contributing to new features and MVPs. Success in this role requires strong system architecture skills, hands‑on experience with scalable software, and a passion for experimentation and rapid prototyping. Work mode : 100% remote Tasks Develop and maintain scalable frontend and backend components using Vue.js, TypeScript, and Python Collaborate with architects, product owners, and engineers to design high‑quality solutions Build new features , improve existing functionality, and ensure application performance and reliability Contribute to early MVPs , prototypes, and experimental solutions Participate in code reviews , ensure best practices , and support continuous improvement of the development process Work with modern cloud and DevOps tools to enable smooth delivery and deployment Expectations 5+ years of experience in Frontend Software Development 5+ years of experience with Python Strong hands‑on experience with TypeScript and Vue.js Solid understanding of SPA frameworks (React or Angular is a plus) Fluency in English We offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development, Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.

🏢 Summary: Full Stack Developer role building a scalable, cloud-native enterprise commerce platform that integrates Commercetools with SAP ERP and Salesforce. The position covers .NET/C# backend services, React/Next.js frontend development, APIs, event-driven integrations, and Azure infrastructure managed with Terraform. 🗂️ Requirements: 5+ years of enterprise software development experience, Strong .NET and C# expertise, Cloud-native architecture and microservices experience, Advanced JavaScript, TypeScript, React, and Next.js knowledge, SAP ERP (ECC or S/4HANA) integration experience, Salesforce CRM integration and API experience, Commercetools and composable/headless commerce experience, Enterprise API and integration-service development experience, Dapr, event-driven architecture, and asynchronous messaging knowledge, Azure Cloud services experience, Terraform Infrastructure as Code experience, Enterprise software design and system integration patterns knowledge, Cross-functional communication skills in a corporate environment, Upper-Intermediate English or higher 📃 Skills: .NET, C#, JavaScript, TypeScript, React, Next.js, SAP, ECC, S/4HANA, Salesforce, Commercetools, Dapr, Azure, Terraform, Microservices, APIs, ERP, CRM 🏢 Description: Andersen is hiring a Full Stack Developer (.NET+React) for a project developing a scalable enterprise commerce platform and delivering modern cloud-based business solutions. Our customer is a global industrial business providing equipment, technologies, and services for a wide range of manufacturing and commercial applications. Its portfolio supports industrial operations by improving productivity, resource efficiency, and equipment performance across multiple business environments. The company serves multiple industries worldwide through an extensive manufacturing, service, and distribution network. The project is focused on developing a scalable enterprise commerce platform that integrates core business systems, including ERP and CRM solutions. It supports order management, pricing, and customer data synchronization through cloud-native services and modern integration architecture, ensuring scalability, security, and operational efficiency. Responsibilities: Designing and developing composable commerce solutions integrated with enterprise platforms such as SAP and Salesforce. Building and maintaining backend services using .NET, C#, and Dapr. Developing modern frontend applications using JavaScript, TypeScript, React, and Next.js. Designing and implementing APIs, middleware, and integration services connecting Commercetools, SAP, and Salesforce. Enabling synchronization of orders, pricing, product, and customer data across enterprise platforms. Collaborating with Business Analysts, Solution Architects, and stakeholders to align technical solutions with business requirements. Implementing event-driven and cloud-native architectures leveraging asynchronous messaging patterns. Managing and deploying cloud infrastructure using Azure and Terraform. Participating in architecture discussions, design reviews, and code reviews. Ensuring compliance with engineering standards, governance frameworks, and security requirements. Documenting architecture decisions, integration patterns, and system data flows. Must-haves: Experience in enterprise software development for 5+ years. Strong expertise in .NET and C#. Experience with cloud-native architectures and microservices. Advanced knowledge of JavaScript, TypeScript, React, and Next.js. Proven experience integrating SAP ERP (ECC or S/4HANA) with commerce, middleware, or enterprise applications. Experience with Salesforce CRM integrations, APIs, and integration patterns. Hands-on experience with Commercetools and composable/headless commerce architectures. Experience building and maintaining enterprise APIs and integration services. Knowledge of Dapr, event-driven architecture, and asynchronous messaging. Experience with Azure Cloud services. Infrastructure as Code experience using Terraform. Strong understanding of enterprise software design principles and system integration patterns. Excellent communication skills and ability to work with cross-functional teams in a corporate environment. Level of English – from Upper-Intermediate or above. Nice-to-haves: Experience with large-scale digital commerce or retail transformation projects. Knowledge of SAP integration technologies (SAP CPI, PI/PO, IDocs, BAPIs, OData). Experience working with event streaming platforms (e.g., Kafka, Azure Service Bus). Familiarity with DevOps practices, CI/CD pipelines, and automation. Experience implementing security and compliance requirements in enterprise environments. Knowledge of domain-driven design (DDD) and microservices architecture patterns. Experience with performance optimization and scalability of high-volume commerce platforms. Certification in Azure, Salesforce, SAP, or Commercetools. Previous experience working in international distributed teams and long-term contract engagements. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl Join us! https://people.andersenlab.com/

🏢 Summary: Senior Full Stack Developer role focused on architecting and delivering high-performance web applications using React and Node.js. The position involves leading system design, building scalable front-end and back-end solutions, and overseeing cloud-based deployments and DevOps processes. The role includes technical ownership of microservices, APIs, databases, and application performance in a hybrid Warsaw-based setup. 🗂️ Requirements: 7+ years full stack development experience, 2+ years in senior or technical lead role, Expert-level React.js with Hooks and Redux, Advanced JavaScript ES6+ proficiency, Strong Node.js and Express.js experience, Experience designing REST or GraphQL APIs, Experience with OAuth, JWT, sessions, RBAC, Database design and optimization with PostgreSQL, MySQL, or MongoDB, Hands-on Docker experience, Experience with AWS, Azure, or GCP, CI/CD pipeline management experience, Proficiency with Git workflows, Bachelor’s or Master’s in Computer Science or related field 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, GraphQL, REST, OAuth, JWT, RBAC, PostgreSQL, MySQL, MongoDB, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite 🏢 Description: 🧩 About the Company Our client is a rapidly growing US-based technology firm with global operations. With a strong commitment to innovation and quality engineering, the company is building a new engineering hub in Warsaw. This is your opportunity to join a high-performing team and play a pivotal role in developing next-generation digital solutions for the private capital markets. 📍 Location & Setup Start remotely and transition to a hybrid model based in Warsaw (3 days/week in the office in the coming months). 🧠 The Role: Senior Full Stack Developer (React & Node.js) We’re looking for an expert-level Senior Full Stack Developer with at least 7 years of professional experience in designing, architecting, and delivering high-performance web applications. You will take ownership of complex technical challenges across both the front-end and back-end, drive architectural decisions, and provide technical leadership and mentorship within the software development lifecycle. 🔧 Key Responsibilities Technical Leadership: Architect and develop scalable, responsive UIs with React.js, Redux, and modern JavaScript (ES6+). System Design: Design, build, and scale advanced server-side applications, microservices architecture, and RESTful/GraphQL APIs with Node.js and Express. Data Architecture: Lead database design, optimization, and integration strategies (PostgreSQL, MySQL, or MongoDB). Quality Assurance: Define testing strategies, write robust unit/integration tests, and establish efficient debugging protocols for the team. DevOps & Deployment: Oversee and optimize CI/CD pipelines, containerization using Docker, and cloud deployments. Agile Mentorship: Lead agile collaboration with product managers, designers, and engineers, while mentoring mid-level and junior developers. Performance: Proactively monitor system performance, identify bottlenecks, and maintain high-availability production-grade applications. Standards: Establish and maintain comprehensive technical documentation and coding standards. 📌 What We’re Looking For Front-End: Expert-level experience with React.js, Hooks, Redux, and complex component-based architecture. Deep mastery of HTML5, CSS3, and ES6+. Advanced configuration and optimization experience with build tools like Webpack, Babel, or Vite. Back-End: Senior-level proficiency in Node.js & Express.js for enterprise applications. Extensive API design and architecture experience (GraphQL highly preferred, alongside REST). Deep understanding and implementation experience with advanced security and authentication protocols: OAuth, JWT, sessions, and RBAC. Databases & DevOps: Proven experience in scaling and optimizing relational and non-relational databases (PostgreSQL, MySQL, or MongoDB). Solid hands-on experience with Docker; Kubernetes experience is highly advantageous. Demonstrated experience designing and deploying applications on cloud platforms (AWS, Azure, or GCP). Advanced proficiency with Git workflows and driving Agile/Scrum methodologies. 🎓 Qualifications Bachelor’s or Master’s in Computer Science or a related field. 7+ years of hands-on experience in full stack development. 2+ years of experience in a senior or technical lead capacity. Proven track record of architecting, deploying, and maintaining high-traffic production applications. 💡 Soft Skills Strategic, analytical thinker and highly effective problem-solver. Strong technical leadership, team collaboration, and cross-functional communication skills. Self-motivated with excellent time management and the ability to drive projects autonomously. Passion for continuous learning, adopting new technologies, and sharing knowledge with the team. 🎁 What’s Offered Competitive salary up to $6,200 USD/month. Hybrid remote role with 3 days form office in the heart of Warsaw Generous Paid Time Off (PTO). Comprehensive full benefits package. The unique chance to shape the technical foundation of a new engineering hub and lead high-impact projects. A supportive, innovation-driven work environment that values technical excellence.

🏢 Summary: Fullstack Developer role focused on building and maintaining a global digital product supporting resale and service operations. The position covers end-to-end ownership of micro frontends and microservices, from development to production deployment. The role emphasizes scalability, performance, cloud infrastructure, and modern development practices. 🗂️ Requirements: Strong backend experience with Java or Kotlin, Solid frontend development experience with React or similar framework, Experience working in AWS cloud environment, Practical knowledge of microservices architecture, Experience with CI/CD pipelines, Ability to work in trunk-based development model, Experience with event-driven systems such as Kafka, Experience with Kubernetes-based deployments 📃 Skills: Java, Kotlin, React, AWS, Kubernetes, Kafka, GitLab, Microservices, Microfrontends, CICD, Trunkbased, Eventdriven 🏢 Description: Join our project and help build a global digital product used by retailers and service advisors around the world. We are looking for an experienced Fullstack Developer to join the team with a product that supports resale operations and service processes by delivering accurate, optimised information to employees across the dealer network. This is a great opportunity for someone who enjoys working across the full application lifecycle, from development to production. You will be part of a team that owns the product end-to-end — from building new functionality to deploying and maintaining it in production. This is a hands-on engineering role where you will work closely with other developers, contribute to a shared codebase, and help ensure the product remains stable, scalable, and high-quality. What you will work on: Developing and maintaining micro frontends and microservices Improving system performance, stability, and scalability Integrating the platform with internal and external services Continuously improving code quality and development practices Contributing throughout the full lifecycle of the application, including production deployment What we are looking for: Strong experience in backend development using Java/Kotlin Solid understanding of frontend development with React or a similar framework Experience working in cloud environments , preferably AWS Practical experience with microservices architecture Experience with CI/CD pipelines and modern software development practices Ability to work in a trunk-based development setup Experience working with event-driven systems , such as Kafka Strong familiarity with AI-assisted and agentic workflows as part of everyday software development Tech stack: Frontend: React, micro frontends Backend: Kotlin & Java, microservices Infrastructure: AWS, Kubernetes CI/CD: GitLab Pipelines Messaging: Kafka