Trainee .NET Developer

🏢 Summary: 6-month C++ internship focused on hands-on learning under mentorship, combining practical development tasks with structured self-development. The role involves close collaboration with a mentor and team in a hybrid 4+1 office model in Gdansk. Successful completion may lead to further employment opportunities. 🗂️ Requirements: Bachelor degree or final-year student in Computer Science or related field, Good knowledge of data structures and algorithms, Practical experience with C++ (minimum 500 lines project), Practical experience with Git (minimum 20 non-trivial commits), Familiarity with command line tools, Intermediate English proficiency, Availability for 30 hours per week for 6 months, Ability to work on-site in Gdansk 4 days per week 📃 Skills: C++, Git, Algorithms, DataStructures, CommandLine, English 🏢 Description: Are you looking for a great opportunity to expand your skills and knowledge? Want to join a multinational company with interesting projects and learn from our professionals? If you are ready to start your career in IT, just show us your potential, and we will give you the experience! Responsibilities: Learning under the supervision of an experienced programmer Spend 30 hours per week for 6 months on developing yourself in your chosen field Working closely with your mentor on daily tasks Collaborating with the team in a hybrid model: 4 days per week in our office and 1 day remotely is mandatory Min requirements: Good knowledge of computer science concepts covered during typical university courses (data structures like arrays, lists, trees, common algorithms, algorithmic complexities) Practical familiarity with the typical command line tools Practical experience with C++, strong familiarity with the syntax by having written a project with at least 500 lines of non-trivial code Practical experience with Git, i.e. should have at least 20 non-trivial commits in a repository English: At least intermediate level of written and spoken English Bachelor degree or a strong last-year student in Computer Science or a related discipline This role is based in our office in Gdansk. Being located in Gdansk or within a comfortable commuting distance is preferred to support our 4+1 hybrid work model. Would be a plus: Understanding of the memory hierarchy and the corresponding latencies More prior projects done on own volition We offer: The duration of the internship is 6 months Compensation for the period of study Mentoring from professional specialists, development plan, monitoring of learning progress, technical assessment upon completion of training The best students will have the opportunity for further employment in the company Opportunity to participate in all activities of the company We provide all the necessary equipment Access to training platforms

🏢 Summary: 3-month paid .NET internship (July–September, 4/5 time) offering hands-on experience in a modern software project. The role involves supporting daily development, implementing small features in .NET Core, and assisting with testing and debugging while learning how system components integrate. 🗂️ Requirements: Basic knowledge of C#, Basic knowledge of .NET or .NET Core, Understanding of object-oriented programming, Basic knowledge of REST APIs, Basic knowledge of SQL, Basic knowledge of Git, Availability from July to September (4/5 time) 📃 Skills: C#, .NET, .NETCore, REST, SQL, Git, OOP, Debugging, Testing 🏢 Description: We are looking for a motivated .NET Intern to join our team for a 3-month paid internship from July to September in a 4/5 working time model. This is a great opportunity for someone who wants to gain hands-on experience in a modern software project. Responsibilities • Support the team in daily development tasks. • Help develop small features in .NET Core. • Assist with testing, debugging, and fixing simple issues. • Support basic documentation updates. • Learn how different system components work together. • Gain exposure to Go, React, and Python components. • Participate in team meetings and code reviews. Requirements • Basic knowledge of C# and .NET / .NET Core. • Understanding of object-oriented programming. • Basic knowledge of REST APIs, SQL, and Git. • Willingness to learn and ask questions. • Good communication skills. • Availability from July to September in a 4/5 working time model. Nice to have • Basic knowledge of Go, React, or Python. • Interest in authentication, backend development, or cybersecurity. • Any academic, personal, or internship projects.

🏢 Summary: A 6-month paid IT internship focused on developing practical programming and QA skills under the guidance of an experienced mentor. The role involves 30 hours per week of structured learning and hands-on tasks in software development and testing. Successful participants may receive a full-time employment opportunity upon completion. 🗂️ Requirements: Basic knowledge of test design and test theory, Basic knowledge of at least one programming language, Understanding of OOP, Basic understanding of Git, Understanding of Software Development Lifecycle, Intermediate English level or higher, Bachelor degree in Computer Science, IT or related field 📃 Skills: Java, JavaScript, Python, C#, Git, OOP, SDLC, SQL, Selenium, QA, Automation, Databases 🏢 Description: Are you looking for a great opportunity to expand your skills and knowledge? Want to join a multinational company with interesting projects and learn from our professionals? If you are ready to start your career in IT, just show us your potential, and we will give you the experience! Responsibilities: Learning under the supervision of an experienced programmer Spend 30 hours per week for 6 months on developing yourself in your chosen field Working closely with your mentor on daily tasks Min requirements: Basic knowledge of test design and test theory Basic Knowledge in Java/JavaScript/Python/C# or any other programming language Understanding of OOP Basic understanding of Git Understanding of Software development lifecycle English: Intermediate level or higher (spoken and written) Education: Bachelor degree (preferably Computer Science, Information Technologies, or related discipline) Would be a plus: Basic knowledge of relational DB concepts and SQL Basic knowledge of at least one QA Automation framework/library Basic knowledge of Selenium Basic knowledge of Understanding of client-server communication Basic knowledge of Design Patterns We offer: The duration of the internship is 6 months 6 working hours a day Compensation for the period of study Mentoring from professional specialists, development plan, monitoring of learning progress, technical assessment upon completion of training The best students will have the opportunity for further employment in the company Opportunity to participate in all activities of the company We provide all the necessary equipment Access to training platforms

🏢 Summary: Full-stack freelance role focused on building scalable, cloud-native applications using .NET and Angular within the Azure ecosystem. The position involves translating complex business requirements into high-quality software solutions while applying modern architectural patterns and Agile delivery practices. The contract is project-based B2B for an initial 12-month period. 🗂️ Requirements: 4+ years experience with .NET technologies (C#, .NET Core, EF/ORM, WCF), 3+ years experience with Angular or strong React background with recent Angular experience, 2+ years hands-on experience with Azure services (Functions, Logic Apps, Web Apps), Advanced knowledge of architectural and design patterns, Experience with SOAP and REST web services, Experience with SQL and SQL Server, Experience with Git and CI/CD pipelines, Experience with Unit Testing, Fluent English 📃 Skills: .NET, .NETCore, C#, EntityFramework, ORM, WCF, Angular, React, Azure, Functions, LogicApps, WebApps, SQL, SQLServer, Git, CI/CD, SOAP, REST, Agile, UnitTesting 🏢 Description: Join an international team of experts delivering high-impact software solutions for global clients. In this role, you will work in a full-stack capacity, translating complex business requirements into scalable, cloud-native applications. You will collaborate with top-tier professionals to design and implement innovative solutions that address real-world engineering challenges while ensuring the highest industry standards. Form of cooperation: freelance project-specific B2B contract for an initial period of approximately 12 months. Tech stack: Backend: .NET / .NET Core, C#, Entity Framework (or other ORM), WCF, SOAP/REST APIs. Frontend: Angular (primary), React. Cloud: Azure (Functions, Logic Apps, Web Apps, SQL Server). Data: SQL Server. DevOps/Tools: Git, CI/CD, Agile, Unit Testing. Requirements: 4+ years of professional experience with .NET technologies (C#, .NET Core, EF/ORM, WCF) 3+ years of experience in Angular (or strong React background with recent Angular experience) 2+ years of hands-on experience with Azure services (e.g., Functions, Logic Apps, Web Apps) Advanced knowledge of Architectural and Design Patterns Proficiency in Web Services (SOAP/REST) and SQL Experience with Git, Continuous Integration, and Continuous Delivery pipelines Fluent English (written and spoken) for effective international communication Ideally, you’ll also have: Azure Cloud certifications Main responsibilities: Full-Stack Development: Address complex software engineering problems using both object-oriented and functional programming styles. Quality Assurance: Maintain high standards of code quality and testing through Clean Code and Unit Testing practices. Cloud Engineering: Design and develop scalable solutions utilizing a wide range of Azure-hosted services and tools. Agile Delivery: Implement Agile methodologies and modern software delivery techniques, including CI/CD and automated deployment. Professional Growth: Proactively adopt new technologies and frameworks within the Azure Cloud ecosystem to drive project success.

🏢 Summary: 6-month IT internship focused on developing Python programming skills under the supervision of an experienced mentor in a hybrid work model. The program combines practical tasks, mentorship, and technical evaluation, with the possibility of further employment after completion. 🗂️ Requirements: Good knowledge of Data Structures and Algorithms, Understanding of OOP/OOD principles, Knowledge of OSI model, TCP/IP, HTTP/HTTPS, Knowledge of relational databases and SQL, Knowledge of Linux/Unix, Knowledge of Python fundamentals, Basic practical experience with Python, Intermediate or higher English, BS or MS degree (or undergraduate status) in technical field, Availability to work 30 hours per week for 6 months, Availability to work 4 days per week from Gdansk office 📃 Skills: Python, SQL, Linux, Unix, TCP/IP, HTTP, HTTPS, OSI, OOP, OOD, Git, CI/CD, PyCharm 🏢 Description: Are you looking for a great opportunity to expand your skills and knowledge? Want to join a multinational company with interesting projects and learn from our professionals? If you are ready to start your career in IT, just show us your potential, and we will give you the experience! Responsibilities: Learning under the supervision of an experienced programmer Spend 30 hours per week for 6 months on developing yourself in your chosen field Working closely with your mentor on daily tasks Collaborating with the team in a hybrid model: 4 days per week in our office and 1 day remotely is mandatory Min requirements: Good knowledge of Computer Science fundamentals: Data Structures and Algorithms OOP/OOD principles Networking: OSI model, TCP/IP, HTTP/HTTPS Databases: relational DB concepts and SQL OS: Linux/Unix Good knowledge of Python fundamentals (Python Core) Basic practical experience with Python English: Intermediate or higher (spoken and written) Technical education: BS or MS, undergraduate This role is based in our office in Gdansk. Being located in Gdansk or within a comfortable commuting distance is preferred to support our 4+1 hybrid work model. Would be a plus: Git Hands-on experience with Linux/Unix Practical experience in CI/CD PyCharm familiarity We offer: The duration of the internship is 6 months 6 working hours a day Compensation for the period of study Mentoring from professional specialists, development plan, monitoring of learning progress, technical assessment upon completion of training The best students will have the opportunity for further employment in the company Opportunity to participate in all activities of the company We provide all the necessary equipment Access to training platforms

🏢 Summary: The role involves developing and maintaining scalable full-stack web applications using .NET and modern frontend frameworks. You will design robust Web APIs, optimize databases, and implement clean, testable code within CI/CD-driven environments. The position requires active participation in the full software development lifecycle for international projects. 🗂️ Requirements: Minimum 3 years commercial experience with .NET (C#, Web API, Entity Framework), Proficiency in Angular or React, Strong knowledge of JavaScript, HTML, CSS, Experience with SQL Server or PostgreSQL, Understanding of Unit Testing, Experience with Git, Experience with CI/CD pipelines, Knowledge of design patterns, Knowledge of software development best practices, Fluent English (min. B2), Availability for hybrid work mode 📃 Skills: .NET, C#, WebAPI, EntityFramework, Angular, React, JavaScript, HTML, CSS, SQL, SQLServer, PostgreSQL, UnitTesting, Git, CI/CD 🏢 Description: As a member of our development team, you will be responsible for building scalable web applications, designing robust APIs, and creating intuitive user interfaces. We value clean code, analytical thinking, and a proactive approach to technology. Our expectations: Minimum 3 years of commercial experience in .NET (C#, Web API, Entity Framework). Proficiency in Angular or React, along with JavaScript, HTML, CSS, and modern frontend libraries. Strong experience with relational databases such as SQL Server or PostgreSQL. Solid understanding of Unit Testing, Git, and CI/CD pipelines. Practical knowledge of design patterns and software development best practices. A collaborative mindset and the ability to explain complex technical issues clearly. Strong analytical skills and a "get it done" attitude. Fluent English (min. B2) for smooth collaboration with international partners. Open to work in hybrid mode. Main responsibilities: You will design, develop, and maintain scalable full-stack applications using .NET and modern frontend frameworks (Angular/React) for diverse client projects. You will be responsible for writing clean, testable code and implementing unit tests to ensure the highest software performance and reliability. You will work closely with cross-functional teams to architect robust Web APIs and optimize database schemas while following industry best practices and design patterns. You will actively participate in the full software development life cycle, including CI/CD processes and version control management, to ensure seamless project delivery.

🏢 Summary: Long-term backend role focused on building and maintaining system integrations in an Azure-native environment using C#/.NET. The position involves developing APIs and microservices, working with cloud services, and improving CI/CD and Infrastructure as Code solutions within an Agile/SAFe setup. The project connects internal and external systems to support real business operations. 🗂️ Requirements: Minimum 3 years of experience as a Backend or .NET Developer, Strong experience with C# and .NET 6+, Experience building and maintaining system integrations, Hands-on work with REST APIs, message queues, FTP, microservices, Experience with Azure or other cloud platforms (AWS, GCP), Basic knowledge of Infrastructure as Code, Experience with CI/CD pipelines, Experience working in distributed systems or microservices architecture 📃 Skills: C#, .NET, Azure, AWS, GCP, REST, APIs, Microservices, MessageQueues, FTP, Terraform, Bicep, Pulumi, AzurePipelines, GitHubActions, GitLabCI, Jenkins, TeamCity 🏢 Description: Do you want to build integrations that power real business operations across the globe? Are you ready to work in an Azure-native environment where you can grow your skills in cloud, messaging, and microservices? If you enjoy learning on the job and working closely with business and Scrum teams, this project could be a great fit. Join a long-term integration team in Poland, contributing to solutions that connect systems for clients, partners, and internal teams. Key responsibilities Develop backend applications in C# / .NET Build and maintain integrations between systems (APIs, messaging, microservices) Work with cloud services (mainly Azure) Support and improve CI/CD pipelines and Infrastructure as Code (IaC) solutions Troubleshoot and resolve integration issues Collaborate with other application teams in an Agile/SAFe-based environment Ideal candidate profile At least 3 years of experience as a backend or .NET developer Practical experience with C# and .NET (6+) Experience with system integrations (REST APIs, message queues, FTP, microservices) Familiarity with cloud platforms (Azure preferred, AWS/GCP acceptable) Basic understanding of Infrastructure as Code (Azure Bicep, Terraform, Pulumi) and CI/CD pipelines (Azure Pipelines, GitHub Actions, GitLab CI/CD, Jenkins, TeamCity) Comfortable working in a distributed systems / microservices environment Team-oriented, communicative, and eager to learn from both business and technical teams Conditions Location: Gdańsk (Olivia Centre) Work model: Hybrid (2-3 days in the office) Employment type: B2B Project duration: Long-term cooperation expected; the first contract for 6-12 months Salary: 100-150 PLN/h Recruitment steps Initial call with a KUBO recruiter Interviews with the client Decision and feedback

🏢 Summary: 6-month part-time Java internship focused on hands-on learning under mentorship, aimed at developing core programming and software engineering skills. The program combines guided training with practical tasks and offers potential full-time employment upon successful completion. 🗂️ Requirements: Good knowledge of Java syntax and standard library, Fundamental knowledge of relational databases, Fundamental knowledge of data structures and algorithms, Understanding of Object Oriented Programming, Basic knowledge of Windows or Linux operating systems and shell, Basic knowledge of Java collections, Basic understanding of networking concepts, Basic understanding of IO and SQL, Intermediate or higher English proficiency, University degree or final year studies in Computer Science or related field 📃 Skills: Java, SQL, OOP, Algorithms, DataStructures, Databases, Collections, Windows, Linux, Networking, Shell, IO 🏢 Description: Are you looking for a great opportunity to expand your skills and knowledge? Want to join a multinational company with interesting projects and learn from our professionals? If you are ready to start your career in IT, just show us your potential, and we will give you the experience! Responsibilities: Learning under the supervision of an experienced programmer Spend 30 hours per week for 6 months on developing yourself in your chosen field Working closely with your mentor on daily tasks Min requirements: Good knowledge of: Java syntax and standard library Fundamental knowledge of relational databases Fundamental knowledge of data structures and algorithms Object Oriented Programming (OOP) Basic understanding of: Windows/Linux-based OS and shell Java collections Networking I/O SQL English: Intermediate or higher (spoken and written) Education: University degree or final year of studies in computer science, engineering, mathematics, or related disciplines Would be a plus: Multithreading Java web programming JVM internals Unit testing We offer: The duration of the internship is 6 months 6 working hours a day Compensation for the period of study Mentoring from professional specialists, development plan, monitoring of learning progress, technical assessment upon completion of training The best students will have the opportunity for further employment in the company Opportunity to participate in all activities of the company We provide all the necessary equipment Access to training platforms

🏢 Summary: 3/4-time unpaid frontend internship offering hands-on experience in building modern, accessible web applications within a hybrid setup. Interns work on real projects using Angular under the guidance of an experienced team. The role focuses on developing practical frontend development skills in an international environment. 🗂️ Requirements: Knowledge of Angular 14+, Good understanding of JavaScript, Good understanding of TypeScript, Understanding of frontend development principles, Knowledge of WCAG accessibility standards, Ability to work in a team, English proficiency B2 or higher 📃 Skills: Angular, JavaScript, TypeScript, WCAG, Frontend, Accessibility, English 🏢 Description: What we offer? We are looking for a motivated Intern to join our frontend team and gain hands-on experience in building modern and accessible web applications. We offer the opportunity to work on real projects, gain practical experience, and develop your frontend skills with the support of an experienced team. This is a 3/4-time, unpaid internship with a hybrid setup (2–3 days per week in the Łódź office). Requirements Knowledge of Angular (14+). Good understanding of JavaScript and TypeScript. Understanding of frontend development principles. Knowledge of accessibility standards (WCAG). Ability to work in a team environment. English proficiency (min. B2) - required for working with international clients.

🏢 Summary: Summer 3/4-time hybrid internship focused on building simple serverless applications in Microsoft Azure and supporting development of event-driven workflows. The role involves implementing small pieces of application logic using AI coding tools, testing solutions, and collaborating via GitHub. It offers hands-on experience with cloud technologies, AI-assisted development, and automated processes. 🗂️ Requirements: Basic knowledge of programming (JavaScript, TypeScript, Python or similar), Basic familiarity with GitHub (commits, branches, pull requests), Interest in AI, cloud technologies, and modern web applications, Willingness to learn Azure, GitHub Copilot, and Claude Code, Availability during the summer period, Ability to work collaboratively in a team 📃 Skills: JavaScript, TypeScript, Python, Azure, GitHub, GitHubActions, Copilot, Claude, Serverless 🏢 Description: Responsibilities Support in building simple serverless applications in Microsoft Azure Implement small pieces of application logic with the help of AI tools (e.g. GitHub Copilot, Claude Code) Participate in creating automated workflows and event-driven processes Analyze problems and break them down into smaller, manageable steps Test developed solutions and collaborate with the team to improve them Work with GitHub repositories and learn the basics of GitHub Actions Requirements Basic knowledge of programming (e.g. JavaScript/TypeScript, Python, or similar) Interest in AI, cloud technologies, and modern web applications Familiarity with GitHub (commits, branches, pull requests – basic level is enough) Willingness to learn tools such as: GitHub Copilot Claude Code Azure (introductory level) Proactive attitude, curiosity, and willingness to ask questions Ability to work collaboratively in a team Availability during the summer period What we offer: The internship is for 3/4 time, hybrid with 2-3 days a week in the office in Łódź or Białystok Unpaid internship Training and mentorship support, Opportunity for employment after the internship Flexible working hours adjusted to academic commitments.