List of job offers

• Rozwój i utrzymanie natywnej aplikacji Android
• Implementacja nowych funkcjonalności (m.in. role użytkowników, poziomy dostępu, modyfikacja logiki permissions)
• Aktualizacja i optymalizacja istniejących flow (zadania, dokumenty, widoki)
• Integracja z API (REST / GraphQL)
• Współpraca przy integracji komponentów 3D (renderowanie modeli, optymalizacja wydajności)
• Stopniowa refaktoryzacja i migracja fragmentów aplikacji do Kotlin oraz Jetpack Compose
• Analiza i minimalizowanie ...

• Minimum 5 lat doświadczenia w tworzeniu aplikacji Android
• Bardzo dobra znajomość Kotlin
• Doświadczenie w pracy z Java (utrzymanie/refaktoryzacja)
• Praktyczne doświadczenie w pracy na dużym, produkcyjnym codebase
• Znajomość MVVM/Clean Architecture
• Doświadczenie w integracji z API (REST lub GraphQL)
• Umiejętność debugowania problemów wydajnościowych
• Samodzielność i gotowość do pracy w środowisku z istniejącą architekturą
• Doświadczenie w migracjach Java → ...

• Executing manual tests and reviewing results
• Evaluating product according to specifications
• Reporting and documenting technical issues
• Reporting bugs and errors to development teams
• Helping troubleshoot issues
• Participating in a rotating team depending on project needs
• Attending regular meetings: Daily Standups (12:30 PM) and retrospectives after release
• Communicating via chat, emails, and calls

• Proven experience in Quality Assurance and manual web application testing
• Strong communication skills, both verbal and written
• Very good English (at least B2)
• High attention to detail and precision
• Strong organizational skills
• Experience with Excel
• Nice to have:
• Knowledge of JIRA
• Knowledge of Agile, Scrum
• Basic knowledge of version control systems
• Willingness to constantly develop skills
• Strong analytical and problem-solving skills
• Experience in testing methodologies
• ...

• Contribute to the design and implementation of scalable, high-performance backend services
• Work within our microservices architecture, handling both maintenance and greenfield projects
• Optimize, maintain, and continuously improve existing systems while building new features
• Take ownership of the solutions you create, from concept through deployment and ongoing maintenance
• Collaborate with PMs, QAs, and other developers to create the best experience for our users

• 5 years experience with a history of impactful contributions
• Strong problem-solving skills and a passion for writing clean, efficient code
• Proficiency in system design and making architectural decisions
• A proactive attitude, with the ability to thrive in a fast-paced, growing startup environment
• Confident English – you can easily communicate complex technical concepts
• Team player – comfortable discussing tough problems, asking questions, and challenging ideas respectfully
• ...

As a QA Engineer, you will play a key role in ensuring the platform remains stable and reliable across multiple applications and environments. Your responsibilities will include:

• Performing manual testing of applications: iOS, Android, Web (participant side), and Backstage (admin panel)
• Executing end-to-end testing of full event flows (from configuration in Backstage to the attendee experience)
• Running exit tests before monthly major releases to validate the most critical product areas
• ...

Must Have

• Strong experience in manual QA testing for mobile apps (iOS & Android) and web applications
• Solid understanding of end-to-end testing, with a user-centric mindset
• Hands-on experience with regression testing, exploratory testing, and release validation (exit testing)
• Ability to understand how backend changes impact frontend behavior and platform functionality
• Confidence working with admin panels / CMS-like environments (e.g., Backstage configuration)
• Strong ownership and...

• Pozyskiwanie, weryfikacja oraz oczyszczanie danych pochodzących z różnych jednostek biznesowych i systemów.
• Tworzenie zaawansowanych modeli analitycznych w celu identyfikacji trendów, ryzyk oraz potencjalnych optymalizacji.
• Budowanie interaktywnych dashboardów i automatyzacja raportowania przy użyciu nowoczesnych narzędzi wizualizacyjnych.
• Przygotowywanie rekomendacji oraz wsparcie decyzyjne dla kluczowych interesariuszy na podstawie wypracowanych wniosków.
• Monitorowanie ...

• Doświadczenie w pracy z rozbudowanymi i złożonymi zbiorami danych (obszary Supply Chain lub logistyka).
• Biegłość w modelowaniu danych oraz ich wizualizacji z wykorzystaniem Power BI.
• Praktyczna znajomość technologii Azure Data Fabric, SQL oraz Python.
• Umiejętność przekładania skomplikowanych analiz na klarowne i zrozumiałe wnioski biznesowe.
• Proaktywność w rozwiązywaniu wyzwań analitycznych w środowisku międzynarodowym.

• Work with ML pipeline engineers to deploy and maintain ML models (e.g., PyTorch, scikit-learn) as robust service endpoints.
• Collaborate with data scientists and product to productionize prototypes, and extend the product to enable ML and AI features.
• Define and evolve RESTful APIs with OpenAPI/Swagger—ensuring they support low-latency, high-throughput ML inference.
• Version, document, and maintain API contracts for internal and external consumers.
• Build microservices ...

• 3 years of professional full-stack development, with a clear track record of integrating ML into production systems.
• Hands-on experience serving models in production (model serialization, serving frameworks, inference optimizations).
• Strong TypeScript and Python proficiency.
• Experience with microservices architecture, message brokers (Kafka, etc.), and async frameworks.
• Solid React knowledge (hooks, context, state management).
• Deep understanding of REST principles, OpenAPI/Swagger, ...

• Define the technical direction, making pivotal design decisions to ensure our architecture is scalable, maintainable, and high performing.
• Stay hands-on with coding, leading by example and ensuring adherence to best practices in security, performance, development, deployment, and observability.
• Implement scalable microservices, API gateways, and event-driven architectures, ensuring high availability, disaster recovery, and fault tolerance strategies are in place.
• Champion high-quality ...

• 8 years in software engineering (ideally Node.js and React tech stack), with at least 2 years in a technical leadership role.
• Demonstrated expertise in designing and developing scalable APIs, with knowledge of RESTful principles and best practices.
• Knowledge of microservices architecture and related design patterns/best practices.
• Experience with message queues (e.g., RabbitMQ, Kafka) and event-driven architecture/patterns.
• Experience with databases such as MySQL, MongoDB, CosmosDB, or...

• Work with ML pipeline engineers to deploy and maintain ML models (e.g., PyTorch, scikit-learn) as robust service endpoints.
• Collaborate with data scientists and product to productionize prototypes, and extend the product to enable ML and AI features.
• Define and evolve RESTful APIs with OpenAPI/Swagger—ensuring they support low-latency, high-throughput ML inference.
• Version, document, and maintain API contracts for internal and external consumers.
• Build microservices ...

• 3 years of professional full-stack development, with a clear track record of integrating ML into production systems.
• Hands-on experience serving models in production (model serialization, serving frameworks, inference optimizations).
• Strong TypeScript and Python proficiency.
• Experience with microservices architecture, message brokers (Kafka, etc.), and async frameworks.
• Solid React knowledge (hooks, context, state management).
• Deep understanding of REST principles, OpenAPI/Swagger, ...

• Design and implement new cloud-based solutions using Azure services such as Azure App Services, Azure Functions, Azure Service Bus, and Azure Storage.
• Collaborate with stakeholders to gather requirements, formulate solution proposals, and deliver scalable and efficient e-commerce solutions.
• Contribute to greenfield and re-platforming projects, with limited involvement in ongoing maintenance.
• Ensure solutions are secure, reliable, and compliant with industry standards and company ...

• Required experience and skills:
• 5 years of experience working with .NET-based solutions.
• 2 years of experience working with Microsoft Azure.
• Proficiency in C# and experience building backend services.
• Good understanding of cloud architecture principles and integration patterns.
• Experience designing and consuming RESTful APIs.
• Familiarity with Azure DevOps and CI/CD pipelines.
• Experience with SQL and/or NoSQL databases and cloud data storage patterns.
• Strong analytical and ...

• Design and implement data quality monitoring rules using Monte Carlo, Soda, Great Expectations, or equivalent tools
• Perform data profiling to assess completeness, consistency, and accuracy
• Collaborate with data engineering and analytics teams to define data quality needs
• Develop automated checks and alerts as part of data pipelines
• Support remediation workflows and participate in root cause analysis
• Document rules, processes, and metrics supporting data quality governance
• ...

• Experience working with data quality tools such as Monte Carlo, Soda, or Great Expectations
• Hands-on background in data profiling, validation, and monitoring
• Experience using SQL for analysis and data validation tasks
• Familiarity with Python or similar scripting languages for automation
• Understanding of data pipeline principles and cloud data platforms
• Knowledge of data governance concepts and quality frameworks
• Clear communication skills and the ability to collaborate in a ...

• Design Standard & Team Leadership
• Set and upkeep design processes and standards across all projects and team members.
• Conduct design reviews, provide constructive feedback, and foster a culture of continuous learning.
• Assist designers in overcoming challenges.
• Tooling
• Advise on tools to drive efficiency, including Figma, Lovable, Webflow, Framer, Cursor, and Adobe Suite.
• OG Brand Coherence
• Ensure visual consistency across all mediums and departments.
• **Operations & ...

• Proven Leadership
• At least 3 years of experience in leading design teams and managing resource allocation in a product company or software house.
• Facilitation & Public Speaking
• Proven workshop facilitation skills.
• Ability to present design ideas and defend them through storytelling.
• Design to Business
• Ability to translate design value into business language for non-designers.
• Curiosity
• Early-adopter mindset, especially for AI-driven design tools and new ...

• Utrzymanie infrastruktury serwerowej dla ATMów
• Praca nad projektem wysoko skalowalnej giełdy kryptowalut
• Projektowanie, tworzenie i zarządzanie środowiskami on-premises
• Stosowanie narzędzi do zarządzania konfiguracją środowisk w kodzie (infrastructure-as-code)
• Monitorowanie dostępności, wydajności i stabilności stosowanych rozwiązań

• Chęć do stosowania narzędzi do zarządzania konfiguracją (Ansible)
• Doświadczenie w stosowaniu narzędzi CI/CD (GitHub Actions, ArgoCD)
• Doświadczenie w pracy z produkcyjnymi środowiskami wymagającymi wysokiej dostępności (HA)
• Znajomość technologii konteneryzacji (Docker, OCI) oraz Kubernetes
• Znajomość specyfiki wdrażania aplikacji opartych o JVM
• Doświadczenie w administrowaniu Apache Kafka
• Doświadczenie w administrowaniu relacyjnymi bazami danych (PostgreSQL)
• ...

• Own from end to end the short and long term technical vision of your squad
• Be responsible for all major technical decisions for your squad
• Provide technical mentorship and guidance to engineers within your team and others
• Help your team to improve the technical quality of their work through regular technical design and code reviews
• Share your technical knowledge and expertise through regular tech talks and/or blog posts
• Communicate effectively with engineers, product managers, ...

• Equivalent of 8 years of experience in senior engineering roles (designing APIs, abstractions, and tools used by other engineers)
• Equivalent of 15 years of industry experience
• Expert-level knowledge of:
• Microsoft .NET technology stack (C# / .NET, ASP.NET MVC, Web APIs) and SQL databases (Microsoft SQL Server or any other)
• JavaScript; experience with Typescript and React is a plus
• Git, unit testing, debugging, profiling, performance monitoring
• Strong communication and technical ...

• Architect, design, and implement user-facing features end-to-end.
• Work with product managers, designers, and engineers to prototype and implement product features.
• Communicate effectively with other engineers, product managers, customers, and partners.

• 5 years of industry experience.
• Expert-level knowledge of:
• Microsoft .NET technology stack (C# / .NET, ASP.NET Core, .NET MVC, Web APIs)
• SQL databases (Microsoft SQL Server or any other)
• Experience creating or maintaining JSON Web APIs backed by relational databases in any strongly-typed back end development framework.
• Comfortable with MVC, Dependency Injection, and ORM concepts.
• Experience building and maintaining complex web applications.
• Ability to use a data-driven approach ...