Java & Kotlin Developer (e-commerce)

🏢 Summary: Development of a native Android application in the Language Intelligence domain, leveraging AI and NLP to process and analyze large-scale text data. The role focuses on building scalable, high-quality UI solutions with Kotlin and Jetpack Compose, and integrating AI-driven features. The position also involves contributing to architecture, CI/CD processes, and overall application performance and stability. 🗂️ Requirements: Strong knowledge of Kotlin, Experience with Jetpack Compose, Solid experience with Android SDK, Experience in native Android development, Understanding of OOP principles, Knowledge of algorithms and data structures, Experience with Gradle build processes, Experience with CI systems 📃 Skills: Kotlin, JetpackCompose, Android, AndroidSDK, Gradle, CI, OOP, Algorithms, DataStructures, NLP, AI 🏢 Description: The project is developed in the Language Intelligence area. It uses AI and NLP technologies to analyze and process large-scale text data. The solution supports key features of a digital platform, such as search, content quality, and process automation. Our expectations: Strong knowledge of Kotlin and Jetpack Compose for UI development. Solid experience with Android SDK and native Android development. Good understanding of Object-Oriented Programming (OOP), algorithms, and data structures. Experience with Gradle build processes. Experience working with Continuous Integration (CI) systems. High level of independence, good work organization, and strong problem-solving skills. Native level of Polish and English at B2 level. Nice to have: Experience with modular architecture (e.g. Kotlin Multiplatform). Experience working with large codebases. Practical knowledge of Test-Driven Development (TDD) and Pair Programming. Experience in AI-supported software development, e.g. using tools like GitHub Copilot. Main responsibilities: Develop and maintain native Android applications using Kotlin and Jetpack Compose. Design and implement user-friendly and scalable UI solutions. Work with AI and NLP-based features for text analysis and processing. Collaborate with product managers, backend developers, and data teams. Ensure high code quality, performance, and application stability. Participate in code reviews and knowledge sharing within the team. Contribute to architecture decisions and modular code design. Support and improve CI/CD pipelines and build processes. Identify, analyze, and solve technical problems independently. Write clean, maintainable, and testable code.

🏢 Summary: IT role focused on designing and developing a modular AI-driven decision system integrating asynchronous communication with AI models and business processes. The project involves building microservices, Big Data processing components, and CI/CD-based deployments in a hybrid work model. Work is delivered in Agile sprints with strong emphasis on automation, scalability, and modern architecture. 🗂️ Requirements: Experience in designing and developing IT systems, Strong knowledge of Java, Strong knowledge of Python, Knowledge of object-oriented programming, Experience with Big Data technologies, Experience in building microservices or REST APIs, Experience with Docker, Experience with Kubernetes, Experience with CI/CD tools, Knowledge of SQL, Experience with PostgreSQL, Providing services from Poland, Hybrid work availability – once a week in Warsaw office 📃 Skills: Java, Python, Hadoop, Spark, Kafka, NiFi, Elasticsearch, Hive, Flink, Docker, Kubernetes, Bamboo, Jenkins, SQL, PostgreSQL, Spring, SpringBoot 🏢 Description: Wymagania must have: • doświadczenie w projektowaniu i programowaniu systemów IT • bardzo dobra znajomość języków Java i Python oraz zasady programowania obiektowego i tworzenia czystego kodu • doświadczenie w pracy z technologiami Big Data jak Hadoop, Spark, Kafka, NiFi, Elasticsearch, Hive, Flink, etc • doświadczenie w tworzeniu mikroserwisów i/lub usług typu REST API • doświadczenie w osadzaniu aplikacji na Docker oraz Kubernetes • doświadczenie w pracy z narzędziami CI/CD (Bamboo, Jenkins) • znajomość SQL oraz doświadczenie z pracą z bazami danych (preferowany PostgreSQL) • mile widziane doświadczenie w tworzeniu oprogramowania z wykorzystaniem Spring Framework, Spring Boot • Świadczenie usług z terytorium Polski • Świadczenie usług hybrydowo - 1 raz w tygodniu z biura w centrum Warszawy Wymagania nice to have • mile widziana znajomość rozwiązań NoSQL (MongoDB, HBase) • mile widziana znajomość IntelliJ IDEA/Pycharm oraz umiejętność pracy z GIT • znajomość języka angielskiego umożliwiająca czytanie dokumentacji technicznej • znajomość metodyki Agile (Scrum) Dołącz do zespołu specjalistów IT i weź udział w tworzeniu innowacyjnego projektu, który łączy sztuczną inteligencję, automatyzację procesów i nowoczesne podejście do architektury systemów. Pracujemy w sprintach dwutygodniowych, co pozwala nam szybko wdrażać pomysły i rozwijać rozwiązania w dynamicznym środowisku. Projekt obejmuje budowę centralnego modułu decyzyjnego, który wybiera najlepsze modele AI i dba o ich skuteczność. Tworzymy także moduł wejściowy do przetwarzania maili, który automatycznie rozpoznaje i klasyfikuje treści, oraz moduł weryfikacji danych, zapewniający zgodność i rzetelność informacji. Kluczowym elementem jest integracja z modelami AI – komunikacja odbywa się w sposób asynchroniczny, a wyniki są przygotowywane tak, by mogły być wykorzystane w dalszych procesach biznesowych. Całość kończy się przekazaniem spójnego komunikatu do systemu który uruchamia kolejne działania. Od strony technologicznej stawiamy na modularność, CI/CD i nowoczesne narzędzia (Kafka, NiFi, HCP), co pozwala łatwo rozwijać system i podłączać nowe modele czy usługi. Projekt przewiduje także przyszłe rozszerzenia, takie jak inteligentne tagowanie dokumentów czy integracja z repozytoriami. To wyjątkowa okazja, aby pracować nad projektem, który realnie przesuwa granice wykorzystania AI w biznesie. Jeśli chcesz rozwijać się w środowisku, gdzie liczy się innowacja, szybkość działania i współpraca zespołowa.

🏢 Summary: Senior Web Architect role focused on driving technical optimization, architectural governance, and web performance across multiple development teams. The position involves evaluating and integrating modern front-end technologies within a MACH/microservices landscape while reducing technical debt and ensuring best development practices. You will coordinate architectural decisions and guide teams in building scalable, high-performance web solutions. 🗂️ Requirements: Minimum 5 years web development experience, Minimum 3 years architecture experience, Strong knowledge of MACH architecture, Strong knowledge of Microservices architecture, Deep expertise in Next.js, Deep expertise in NodeJS, Deep expertise in TypeScript, Experience with GitHubActions, Experience with GraphQL, Experience with Git, Strong understanding of Webperformance, Ability to evaluate and implement technical optimizations, Experience coordinating architectural decisions (ADRs), Fluent English 📃 Skills: Next.js, NodeJS, TypeScript, GraphQL, Git, GitHubActions, MACH, Microservices, Kubernetes, ContentStack, commercetools, Webperformance, Architecture, AI 🏢 Description: Your responsibilities Investigate technical optimizations, synergies, automation (ex: through AI), and technical depth / debt reduction potential. Coordinate processes, decisions and patterns of development across seven development teams (ex: facilitate architectural decision records ADRs) Evaluates front-end technical concepts and technologies for feasibility and fit-check into the system landscape (proof of concepts, technology review and critical analysis). Steer & consult the practices defined in the project, and regarding web performance and review the overall development practices with the teams, starting from benchmarking and metrics definitions etc. Your profile Min 5 years experience in the field of web development (overall). Min 3 years experience in architecture related areas. Higher education (Bachelor or Master) in computer science or related fields is preferable, however this is optional in case other significant credentials in experience and knowledge can be demonstrated (certificates / long experience with successful track record / references). Familiar and comfortable with modern software development principles, practices and frameworks (specifically MACH / Microservices architecture). Deep understanding in: Next.js, NodeJS, TypeScript, Github actions, GraphQL, Git, Web performance. Familiarity that are nice to have: Kubernetes, CMS Systems (ContentStack), Commerce systems (commercetools). Fluent and comfortable in English. Great communication skills are essential (collaboration cross-teams, locations and stakeholders is the core of this role). Your benefits Dynamic International Environment: Collaborate with diverse teams globally, enriching your experience and expanding your professional network Collaborative Team Culture: Join a supportive team that values your contributions and encourages your growth Professional Development Opportunities: Expand your skills through engaging projects and responsibilities that challenge and inspire you Flexible hybrid work arrangements: Enjoy a mix of remote work and office collaboration, with a minimum of one day per week in our modern offices Comprehensive Benefits Package: Enjoy private health care, a Lunchpass card, a sports card, group insurance options and employee discounts

🏢 Summary: Technical Project Manager role responsible for leading end-to-end software development projects in a technology-driven environment. The position focuses on Agile delivery, stakeholder communication, risk management, and coordination of cross-functional teams to deliver high-quality software solutions. The role requires strong technical understanding of SDLC, modern architectures, and data-driven project optimization. 🗂️ Requirements: Proven experience managing software development projects, Strong practical knowledge of Agile, Scrum, Kanban, and Waterfall, Proficiency in Jira and Confluence, Solid understanding of SDLC, Understanding of APIs, Cloud, CI/CD, and Git, Experience coordinating developers, QA, and DevOps teams, Experience with vendor-side project management and external clients, Ability to use Agile metrics such as Velocity, Burndown, Cumulative Flow, Understanding of microservices architecture and automated testing environments, Experience managing projects involving AI, Cloud, or Big Data 📃 Skills: Jira, Confluence, Agile, Scrum, Kanban, Waterfall, SDLC, APIs, Cloud, CICD, Git, AWS, Azure, GCP, AI, MachineLearning, BigData, Microservices, DevOps 🏢 Description: Requirements Experience : Proven track record of managing software development projects, preferably in a software house or tech company . Methodologies : Strong practical knowledge of Agile , Scrum , Kanban , and traditional Waterfall frameworks. Tools : Proficiency in project management software, specifically Jira , Confluence . Technical Literacy : Solid understanding of the Software Development Life Cycle (SDLC) and basic technical concepts (APIs, Cloud, CI/CD, Git) . Soft Skills : Excellent leadership, negotiation, problem-solving, and conflict-resolution abilities. Nice to have Certifications : PMP , PRINCE2 , Professional Scrum Master (PSM I / PSM II) , or Certified Scrum Master (CSM) . Technical Background : Former experience as a software developer , QA engineer , or system analyst (Technical Project Manager profile). Domain Expertise : Industry-specific knowledge in high-demand sectors like FinTech or Gaming . Emerging Technologies : Hands-on experience managing projects involving AI/Machine Learning , Cloud Computing (AWS/Azure/GCP) , or Big Data . Client Management : Proven experience in vendor-side project management , dealing directly with external clients. Data & Analytics : Ability to use data-driven insights and metrics (such as Velocity, Burndown charts, and Cumulative Flow) to optimize team performance. DevOps Awareness : Understanding of modern deployment pipelines, microservices architecture, and automated testing environments. Responsibilities Project Planning : Define project scope, goals, and deliverables in collaboration with senior management and stakeholders. Timeline Management : Develop detailed project plans, schedules, and roadmaps using Agile/Scrum methodologies. Team Coordination : Lead, motivate, and coordinate cross-functional teams including software developers, QA engineers, and DevOps. Resource Allocation : Manage project resource availability, workload distribution, and budget tracking. Risk Management : Identify, assess, and mitigate project risks and technical bottlenecks to prevent delays. Stakeholder Communication : Serve as the primary point of contact between technical teams and business stakeholders, delivering regular status reports. Quality Assurance : Ensure that all software deliverables meet quality standards, acceptance criteria, and project specifications. Sprint Management : Facilitate Scrum ceremonies including Daily Stand-ups, Sprint Planning, Backlog Refinement, and Retrospectives. Client A global leader with a sharp focus on lottery solutions. A confident step forward building on a long history of delivering safe and secure technology, demonstrating strong commitment to customers as a dedicated lottery service provider. Leveraging collective insight, experience, and expertise to create reliable and engaging solutions that help lottery clients achieve objectives, meet player needs, and deliver meaningful benefits to communities.

🏢 Summary: Senior software engineering role focused on designing and developing complex systems from scratch, defining technical solutions, and maintaining development best practices. The position involves full-stack development with .NET technologies, frontend frameworks, databases, and cloud-related processes. Flexible remote work and career growth opportunities are included. 🗂️ Requirements: 5+ years of IT experience, Experience with Microsoft .NET, Knowledge of ASP.NET MVC, Knowledge of Web API, Experience with SQL or NoSQL databases, Experience with ORM frameworks, Frontend development experience, Knowledge of HTML5, Knowledge of JavaScript or TypeScript, Experience with React, Knowledge of software design patterns and practices, English communication skills for technical discussions 📃 Skills: .NET, ASP.NET, MVC, WebAPI, SQL, NoSQL, ORM, HTML5, JavaScript, TypeScript, React, Azure, AWS, GoogleCloud, CI/CD, SCRUM, PowerBI, Databricks 🏢 Description: We are looking for experienced professionals who can design and develop complex software systems from scratch, design project-wide technical solutions, establish and control the best development practices. Requirements: 5+ years of experience in IT Experience with Microsoft .NET, knowledge of ASP.NET MVC and Web API Experience with databases (SQL or NoSQL), ORM frameworks Experience in Frontend development (HTML 5, JavaScript / TypeScript / React) Good knowledge and hands-on skills in patterns and practices English skills should be sufficient for taking part in conversations on the technical aspects of projects Nice to have: Experience in Agentic Tools and skills, AI-assisted coding models & tools, Spec-Driven Development Hands-on experience with cloud services (MS Azure, AWS, Google Cloud) Experience in setting up and supporting development processes (CI/CD, code review, static code analysis, automated testing) Experience working with SCRUM Experience in creating technical documentation Experience with Power BI and Databricks to support data-driven features and analytics integration We offer: Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota Competitive compensation that depends on your qualification and skills Career development system with clear skill qualifications Flexible working hours aligned to your schedule Options to work remotely

🏢 Summary: Senior-level role focused on designing and delivering scalable AI/ML solutions, including LLMs, RAG, and agent-based systems, from architecture to production deployment. The position involves leading technical decisions, writing high-quality Python code, and building cloud-based microservices solutions. The role also requires translating business needs into robust, production-ready AI systems. 🗂️ Requirements: Several years of software development experience (senior-level), Strong Python proficiency, Solid understanding of ML/AI ecosystem (LLMs, NLP, deep learning), Hands-on experience with RAG, prompt engineering, agent-based systems, Experience with microservices architecture, Experience with databases, Experience with Kubernetes, Experience with CI/CD pipelines, Experience with Azure cloud, English proficiency 📃 Skills: Python, LLMs, RAG, NLP, DeepLearning, PromptEngineering, Microservices, Databases, Kubernetes, CICD, Azure, GCP, Java 🏢 Description: Responsibilities: Design and develop scalable AI/ML solutions (LLMs, RAG, agentic systems) Write high-quality, testable Python code Lead technical architecture and make key design decisions for critical projects Own end-to-end delivery of solutions, from design to production deployment Collaborate with business stakeholders and translate requirements into technical solutions Requirements: Several years of experience as a software developer (senior-level preferred) Very strong Python skills and solid understanding of the ML/AI ecosystem (LLMs, NLP, deep learning) Hands-on experience with RAG, prompt engineering, and agent-based systems Experience with microservices architecture, databases, Kubernetes, and CI/CD pipelines Experience with Azure cloud (GCP as a plus) Basic familiarity with Java is a plus Strong English communication skills

🏢 Summary: Oferta dotyczy roli inżyniera AI/LLM odpowiedzialnego za projektowanie i wdrażanie produkcyjnych systemów opartych na Pythonie oraz zaawansowanych architekturach LLM. Stanowisko obejmuje budowę rozwiązań RAG, orkiestrację agentów oraz przygotowanie pipeline’ów danych pod modele językowe. Rola wymaga pracy z wektorowymi bazami danych oraz zapewnienia jakości poprzez testy i ewaluację systemów niedeterministycznych. 🗂️ Requirements: Minimum 3 lata komercyjnego doświadczenia w projektowaniu i wdrażaniu systemów produkcyjnych w Pythonie, Doświadczenie w budowie zaawansowanych architektur LLM (RAG, harness engineering, orkiestracja), Praktyczna znajomość LangChain lub LlamaIndex, Znajomość wzorców projektowych i zasad Clean Code, Doświadczenie w pisaniu testów i ewaluacji systemów niedeterministycznych, Doświadczenie w Data Engineering dla LLM (ETL, parsowanie dokumentów, chunking, transformacje danych), Praca z bibliotekami do manipulacji danymi, Znajomość wektorowych baz danych i strategii chunkingu, Wykształcenie wyższe w kierunku ścisłym lub pokrewnym, Znajomość języka angielskiego na poziomie min. B2 📃 Skills: Python, LLM, RAG, LangChain, LlamaIndex, Pandas, NumPy, Qdrant, Pinecone, Chroma, ETL, Azure, GCP, AWS, Docker, Kubernetes, PyTorch, TensorFlow, C#, Go, Java, SQL, AzureDevOps 🏢 Description: Wymagania: Doświadczenie komercyjne: minimum 3 lata projektowania i wdrażania systemów w jakości produkcyjnej w Pythonie. Udokumentowane doświadczenie w budowaniu zaawansowanych architektur LLM: zaawansowany RAG, harness engineering oraz orkiestracja przy użyciu frameworków takich jak LangChain lub LlamaIndex. Znajomość wzorców projektowych, zasad Clean Code oraz pisania testów i ewaluacji dla systemów niedeterministycznych. Doświadczenie w Data Engineering pod LLM: ETL dla danych nieustrukturyzowanych (parsowanie dokumentów, chunking), transformacji oraz pracy z bibliotekami manipulacji danymi (Pandas, NumPy). Praktyczna znajomość wektorowych baz danych (np. Qdrant, Pinecone, Chroma) oraz strategii chunkingu i zarządzania metadanymi. Umiejętność przekładania skomplikowanych koncepcji AI na język korzyści biznesowych i współpraca z zespołami produktowymi. Wyższe wykształcenie (lub w trakcie) w naukach ścisłych/ilościowych (Informatyka, Matematyka, Fizyka, Ekonometria lub pokrewne) oraz znajomość języka angielskiego na poziomie min. B2. Welcome Skills: Znajomość zaawansowanych frameworków agentowych: LangGraph, CrewAI, AutoGen. Praktyka z chmurami (Azure, GCP lub AWS) oraz konteneryzacją i orkiestracją (Docker, Kubernetes). Zrozumienie klasycznego NLP oraz frameworków głębokiego uczenia (PyTorch, TensorFlow) na potrzeby utrzymania i aktualizacji istniejących komponentów. Znajomość dodatkowego języka (C#, Go, Java). Szczególnie cenimy komercyjne doświadczenie w ekosystemie .NET (C#, SQL Server, Azure PaaS) oraz budowaniu potoków CI/CD (Azure DevOps).

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining robust backend systems while supporting full software development lifecycle and DevOps practices. The role involves working in Agile teams, ensuring high performance, scalability, and seamless integration of applications. The position also emphasizes containerization and cloud-based solutions using Azure. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOpsServer, Agile, DevOps, Microservices 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining scalable backend solutions within a DevOps-driven environment. The role involves full software development lifecycle participation, cloud integration, and performance optimization. The position requires collaboration in Agile teams and ensuring high code quality and seamless deployment processes. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments, Experience implementing CI/CD practices, Ability to optimize application performance and scalability 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOps, CI/CD, Agile 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: The offer is for a senior Shopify Architect responsible for designing and implementing end-to-end technical architecture for Shopify Plus e-commerce solutions, including headless and composable approaches. The role involves building custom themes and apps, integrating external systems, and optimizing checkout and product flows. It combines architectural decision-making with hands-on development and system integrations. 🗂️ Requirements: 5+ years in e-commerce architecture or technical roles, 3+ years of experience with Shopify, Strong expertise in Shopify Plus and Liquid, Experience with headless Shopify (Hydrogen/Oxygen), Experience building custom Shopify apps, Experience with Shopify Functions and checkout extensions, Knowledge of Shopify APIs (REST, GraphQL), Proficiency in HTML, CSS, JavaScript/TypeScript, Experience with React or Next.js, Experience with ERP, OMS, or PIM integrations 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, React, Next.js, ERP, OMS, PIM, Webhooks 🏢 Description: Overview We are a company that focuses on AI-based solutions for business operations. We provide digital products and consulting services that help companies grow and improve. We use modern technology to make processes simpler, increase efficiency, and create new ways to earn money, especially in private capital markets. Our system includes three main parts: PaaS (Platform as a Service): our main platform that helps improve workflows, show useful data, and support growth across companies. SaaS (Software as a Service): a cloud platform that offers strong performance, smart tools, and scalable solutions. Solutions and Consulting: flexible tools and methods to help manage, grow, and improve company results. We have more than 10 years of experience working with fast-growing companies and private equity businesses. We know how to use technology to create real business value. Responsibilities and Duties Design and document full technical architecture for Shopify stores (mainly Shopify Plus), including frontend, backend, integrations, and security Use modern e-commerce approaches like headless and composable commerce Decide when to build, buy, or extend solutions in Shopify Develop and maintain custom Shopify themes using Liquid, HTML, CSS, and JavaScript/TypeScript (including React) Build or integrate custom Shopify apps and advanced features Work with Shopify Functions, webhooks, and checkout customization Improve checkout, cart, and product flows to increase sales and track data Manage integrations with systems like ERP, PIM, and payment providers Work closely with product managers, designers, and stakeholders Requirements At least 5 years of experience in e-commerce architecture or technical roles, including 3+ years with Shopify Strong knowledge of Shopify, especially Shopify Plus, Liquid, and the app ecosystem Experience with headless Shopify (Hydrogen/Oxygen) Experience building custom apps and using Shopify Functions and checkout extensions Good knowledge of Shopify APIs (REST, GraphQL) and web technologies (HTML, CSS, JavaScript/TypeScript, React/Next.js) Experience with integrations (ERP, OMS, PIM systems) Good communication skills Ability to think critically and creatively Strong problem-solving and teamwork skills Nice-to-haves Shopify certification or similar Experience moving from old systems to new platforms