.NET/C# Developer

🏢 Summary: The role involves developing and maintaining international .NET applications for industry-leading thermal imaging software. You will build new components, enhance existing ones, ensure code quality, and create unit and integration tests. The position offers hands-on experience with modern .NET technologies in a hybrid work model. 🗂️ Requirements: Minimum 1 year professional experience as C#/.NET developer, Practical knowledge of C# and .NET, Experience with .NET Framework 4.7, Experience with .NET 8, Ability to write unit and integration tests, Fluency in English (min. B2) 📃 Skills: C#, .NET, NETFramework, .NET8, WPF, EntityFrameworkCore, ASP.NETCore, Blazor, WebAPI, JavaScript 🏢 Description: Are you a .NET/C# developer with at least 1 year of professional full-time working experience? Would you like to gain experience working on international projects? Join the SENSE Software team! We are producing industry-leading software for thermographers and cooperating closely with nr 1 manufacturer of thermal cameras. Must haves: Minimum 1 year of experience as a C#/.NET developer Practical knowledge of C#/.NET: .NET Framework 4.7, .NET 8 The ability to think analytically and creatively Fluency in English (min. B2) Personal culture and ability to work in a team Nice to have: WPF; Entity Framework Core; ASP.NET Core: Blazor, Web API; JavaScript; With us you will: Work on international .NET projects Write new components as well as improve existing ones Cooperate with our PM Take care of the quality of the source code Create unit and integration tests Prepare technical documentation What do we offer? Employment based on a contract of your choice Hybrid work – 3 days in the office, 2 days from home The opportunity to raise professional qualifications and gain experience Participation in ongoing activities and co-creation of new projects Office in the center of Sopot

🏢 Summary: Internship opportunity for a junior .NET/C# developer to gain first professional experience by developing and optimizing applications for international projects in the thermography industry. The role involves coding, writing unit tests, contributing to functional solutions, and supporting technical documentation within a collaborative team. It offers mentoring and hands-on participation in real software development projects. 🗂️ Requirements: Basic knowledge of C#, .NET fundamentals, Ability to write unit tests, Basic understanding of application development, Fluency in Polish, Fluency in English, Teamwork skills 📃 Skills: C#, .NET, UnitTesting, WebDevelopment 🏢 Description: Are you a .NET / C# developer at the beginning of your career? Would you like to gain your first professional experience working on international projects? Join the SENSE Software team! We are producing industry-leading software for thermographers and cooperating closely with nr 1 manufacturer of thermal cameras. Your tasks: Programming and optimization of the applications; Cooperation with our team Writing unit tests, testing; Co-creation of functional solutions Help prepare technical documentation Our expectaions: Basic knowledge of C# / .NET Nice to have - web development experience; The ability to think analytically and creatively; Fluency in Polish and English Personal culture and ability to work in a team; We offer: Internship with the possibility of long-term cooperation The opportunity to gain your first professional experience and develop your technical skills Mentoring and support from our team Participation in ongoing activities and co-creation of our projects Hybrid work – 3 days in the office, 2 days from home Office in the center of Sopot

🏢 Summary: Development of scalable, cloud-native applications using C#/.NET in a microservices architecture on Microsoft Azure. The role focuses on building high-performance, containerized systems, ensuring quality through CI/CD practices, and optimizing performance in modern cloud environments. Position requires strong engineering expertise and experience in travel-related solutions. 🗂️ Requirements: 5+ years experience with C# and .NET, 3+ years experience developing travel-related solutions, Experience with modern cloud architectures, Expertise in Microsoft Azure, Experience with containerized applications, Experience with SQL and NoSQL databases, Strong knowledge of microservices architecture, Understanding of API design principles, Knowledge of clean architecture and SOLID principles, Experience with CI/CD practices 📃 Skills: C#, .NET, Azure, SQL, NoSQL, Microservices, Containers, APIs, CI/CD, SOLID 🏢 Description: Our Client is a rapidly growing European technology company developing advanced digital solutions used by thousands of customers worldwide. The organization focuses on building scalable platforms and innovative products that support operational efficiency and business growth. Their engineering teams work in modern cloud environments and emphasize quality, user experience, and continuous delivery. The company operates internationally and continuously invests in product development and technology excellence. 📍 Location: Warsaw - once per week in the office 🚀 Your responsibilities Develop clean, scalable code using C# / .NET in microservices architecture and cloud-native environments Test and deploy systems and applications on Microsoft Azure Monitor and optimize system performance , identifying and resolving issues proactively Act as a technical expert for the system and support other internal teams Work in an Agile squad , with strong focus on user experience, quality assurance, and CI/CD practices Contribute to the engineering culture by sharing knowledge and applying best practices Work on projects that directly impact the company’s growth and product development 🎯 Our requirements 5+ years of professional experience in software development using C# / .NET and modern cloud architectures 3+ years of experience developing travel-related solutions Strong understanding of core software engineering principles and API design Proven expertise in building and managing high-performance containerized applications on Microsoft Azure Experience designing and managing SQL and NoSQL databases Deep understanding of microservices architecture, clean code, clean architecture, and SOLID principles Professional English proficiency ⭐ Nice to have Working knowledge of Angular / AngularJS Familiarity with AI tools supporting development workflows Experience working in Agile / Scrum environments Thank you for all applications. We will contact selected candidates. TQLO Sp. z o.o. – Employment Agency (KRAZ 33580)

🏢 Summary: Senior .NET Developer role focused on designing and maintaining high-performance backend services using .NET and Azure for a scalable electronic components platform. The position involves building resilient cloud solutions, setting up test automation from scratch, and leveraging AI coding assistants in daily development. This is a 100% remote role requiring close collaboration with a US-based Agile team. 🗂️ Requirements: Minimum 8 years of professional experience in .NET development, Strong experience with C#, Experience with Azure cloud ecosystem, Experience with CosmosDB, Practical experience using AI tools in software development, Fluent English, Availability to attend meetings between 17:00 and 19:00 CET, Residence in Poland or eligibility to work in Poland 📃 Skills: .NET, C#, Azure, CosmosDB, Playwright, Selenium, GitHubCopilot, ChatGPT, Cursor, CI/CD, Git, TypeScript, JavaScript 🏢 Description: Join us as Senior .NET Developer We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we work with full autonomy. We independently choose our technologies, processes, and ways of working while maintaining the highest professional standards. We deliver a wide range of IT projects in Poland and internationally, across multiple domains and technologies. This allows our consultants to develop their competencies and gain experience aligned with their professional ambitions. Our collaboration is built around the CARE philosophy. For us, it means responsible project matching, transparent cooperation, and a long-term approach to professional growth. Your responsibilities Designing, developing, and maintaining high-performance back-end services using .NET and C# for an established, scalable system used for selecting electronic components and integrating with manufacturer databases. Working extensively with Azure cloud services and CosmosDB to build, maintain, and monitor resilient solutions. Setting up test automation structures and frameworks from scratch using tools like Playwright or Selenium. Actively leveraging AI coding assistants such as GitHub Copilot, ChatGPT, or Cursor to enhance productivity and troubleshooting, while proactively sharing AI-assisted development practices with the team. Collaborating directly with the US-based team in an Agile environment, actively participating in code reviews, sprint planning, and architectural discussions. Communicating with business stakeholders to understand requirements and translate them into effective technical solutions. Requirements Minimum 8 years of professional experience in .NET development, demonstrating a senior-level mindset and problem-solving capabilities. Experience with C#, the Azure cloud ecosystem, and CosmosDB. Practical experience in using modern AI tools in daily software development and a willingness to promote these practices. Fluency in English to ensure seamless communication with US managers and developers. Flexibility to align with US working hours, specifically attending daily meetings between 17:00 and 19:00 CET. You need to live in Poland and/or be eligible to work here. Nice to have: Background or interest in Electrical Engineering. General understanding of testing practices, CI/CD pipelines, and Git version control. Knowledge in TypeScript or JavaScript. What we offer 100% remote work Work in a Scandinavian culture built on logic and dialogue. Health and sports benefits tailored to your needs. Speed Coaching – short sessions that provide new perspectives and solutions. Sports training, an internal team, and opportunities to take part in competitions. Team events and development-focused meetups.

🏢 Summary: The role involves designing, developing, and maintaining applications on the .NET platform, including building new solutions and optimizing existing systems. It focuses on delivering high-quality, secure, and scalable software aligned with business needs in an international environment. The position requires active participation in architecture design, performance optimization, and continuous integration and deployment processes. 🗂️ Requirements: Minimum 3 years of experience in .NET development, Knowledge of MVC, Knowledge of REST API, Experience in team-based software development, Strong knowledge of MS SQL, Strong knowledge of ElasticSearch, Experience with Continuous Integration tools, Experience with Continuous Delivery approach, Knowledge of unit testing, Knowledge of integration testing, Very good command of English 📃 Skills: .NET, MVC, REST, MS SQL, ElasticSearch, Git, TeamCity, CI, CD, UnitTesting, IntegrationTesting 🏢 Description: Your responsibilities Design, create and maintain applications using the .NET platform and environment Understand requirements and transform them into functional applications in line with business objectives Maintain and upgrade existing applications and fix issues Rewriting/making changes in existing code structure to increase efficiency and performance Ensure error-free code that adheres to best coding practices Test, monitor, and make better solutions through incremental updates/new features/app optimization Identify bottlenecks and address issues to ensure the best performance Create architecture, specifications, and user interfaces of .Net applications Innovate and build high-quality software solutions leveraging the versatility of the .NET platform Implement best practices and methodologies for security, quality, and development approach Our requirements Min. 3 years of experience in working in the .NET environment; Knowledge of MVC, Rest API; Experience in team software development; Good knowledge of MS SQL and ElasticSearch; Using Continuous Integration tools (Git,Team City) and the Continuous Delivery approach; Knowledge of unit and integration tests; Very good command of the English language (work as part of an international team); Optional Knowledge of Umbraco, Angular, AWS This is how we work on a project Clean Code code quality measures code review design patterns static code analysis Continuous Deployment Continuous Integration Development opportunities we offer conferences abroad conferences in Poland development budget external training industry-specific e-learning platforms intracompany training mentoring soft skills training space for experimenting substantive support from technological leaders support of IT events technical knowledge exchange within the company the company supports open source projects time for development of your ideas What we offer Opportunities for constant development and work on exciting projects, Working in an international environment, English lessons, Attractive remuneration in Euro, Flexible working hours, Fully or partially paid training and development. Benefits sharing the costs of sports activities sharing the costs of foreign language classes sharing the costs of professional training & courses remote work opportunities flexible working time integration events corporate gym corporate sports team corporate library no dress code coffee / tea drinks parking space for employees leisure zone sharing the costs of tourist services sharing the costs of tickets to the movies, theater employee referral program charity initiatives family picnics

🏢 Summary: Offer for a .NET Developer to design and implement C#/.NET functionality and build a UI for an internal industrial automation tool, collaborating with firmware teams. The role emphasizes clean code practices and active participation in Scrum-based development. Remote B2B cooperation with competitive hourly rate. 🗂️ Requirements: 2-3 years of commercial or open-source software development experience, Proficiency in C# and .NET, Experience with UI development, Knowledge of data structures, Understanding of object-oriented design, Knowledge of design patterns, Experience working in Scrum/Agile, English level B2 minimum 📃 Skills: C#, .NET, Angular, TypeScript, Scrum, Agile, OOP, UI, Git 🏢 Description: For a company in the industrial automation sector we are looking for a person for the position of .NET Developer who will cooperate with firmware teams. Key responsibilities Designing and implementing functionality using .NET / C# for application Creating and developing the user interface (UI) for an internal company tool Ensuring high code quality (clean code, code reviews, refactoring) Participating in the software development process in accordance with Scrum / Agile, including Scrum ceremonies (daily meetings, sprint planning) Ideal candidate profile 2-3 years of experience in development of commercial or open-source software (preferably experience in the industrial automation sector) Required programming languages: C# (.NET) Optional programming languages: Angular/TypeScript are a plus Experience working with data structures, object-oriented design and design patterns Agile software development using Scrum Very good knowledge of English, minimum level B2 Conditions Location: Katowice Working mode: remote Form of cooperation: B2B Salary: 100-125 PLN / h Benefits: private medical care, life insurance, Multisport Recruitment Steps Initial call with a recruiter (20 min) Interview with the manager (90 min) Decision and feedback

🏢 Summary: Development of an innovative web platform for the financial industry using C# and modern web technologies. The role involves designing, building, and enhancing product features with .NET Core, React.js, and SQL databases. The position offers real impact on product evolution through hands-on technical contribution. 🗂️ Requirements: Minimum 5 years of experience in object-oriented programming, Solid experience in C# and .NET Core development, Experience in building web applications using MVC framework, Hands-on experience with SQL databases, Working knowledge of React.js, Practical experience with Entity Framework 📃 Skills: C#, .NET, .NETCore, MVC, SQL, MSSQL, Oracle, React, EntityFramework, OOP 🏢 Description: We are looking for a skilled C# Developer to join our team working on an innovative web platform for the financial industry . If you enjoy working with modern technologies like .NET Core, Azure, and React.js/Angular , and want to be part of a collaborative team. We’d love to hear from you! Your role As a C# Developer , you will work alongside experienced engineers, contributing to the development of new product features and enhancing existing ones. You’ll have a direct impact on the product's evolution, with the freedom to bring in your own ideas and solutions. Offer A real opportunity to make an impact — we truly value ideas and suggestions from the team, and we encourage you to bring them to life, Attractive salary and the chance to work with modern technologies, Occasional international travel (mainly to London, UK), A modern office in the center of Wrocław. Requirements Minimum 5 years of experience in object-oriented programming, Solid experience in designing, coding, and debugging in C# / .NET Core , Experience in building web applications using the MVC framework , Hands-on experience with SQL databases (e.g., MS SQL, Oracle), Working knowledge of React.js , or Angular Practical understanding of Entity Framework , Strong communication skills in English (both written and spoken) and the ability to collaborate effectively in a team, Proactive attitude, enthusiasm, and a results-driven mindset — we’re looking for people who love learning and using new technologies to build great products. Nice to have: Familiarity with design patterns , Experience with CSS frameworks (e.g., Bootstrap), Knowledge of Microsoft Azure , Understanding of CI/CD processes , including automated deployments with Azure DevOps.

🏢 Summary: C# Developer role focused on building and enhancing a modern web platform for the financial industry using .NET Core, React, and cloud technologies. The position involves developing new features, maintaining existing functionality, and contributing to architectural decisions within a collaborative engineering team. The offer includes impactful product work with modern tech stack and international collaboration. 🗂️ Requirements: Minimum 5 years of experience in object-oriented programming, Strong experience with C#, Commercial experience with DotNetCore, Experience building web applications using MVC, Hands-on experience with SQL databases, Experience with MSSQL or Oracle, Working knowledge of React, Practical experience with EntityFramework 📃 Skills: C#, DotNetCore, MVC, SQL, MSSQL, Oracle, React, EntityFramework, Azure, AzureDevOps, CICD, OOP 🏢 Description: We are looking for a skilled C# Developer to join our team working on an innovative web platform for the financial industry . If you enjoy working with modern technologies like .NET Core, Azure, and React.js , and want to be part of a collaborative team. We’d love to hear from you! Your role As a C# Developer , you will work alongside experienced engineers, contributing to the development of new product features and enhancing existing ones. You’ll have a direct impact on the product's evolution, with the freedom to bring in your own ideas and solutions. Offer A real opportunity to make an impact — we truly value ideas and suggestions from the team, and we encourage you to bring them to life, Attractive salary and the chance to work with modern technologies , Occasional international travel (mainly to London, UK), A modern office in the center of Wrocław . Requirements Minimum 5 years of experience in object-oriented programming, Solid experience in designing, coding, and debugging in C# / .NET Core , Experience in building web applications using the MVC framework , Hands-on experience with SQL databases (e.g., MS SQL, Oracle), Working knowledge of React.js , Practical understanding of Entity Framework , Strong communication skills in English (both written and spoken) and the ability to collaborate effectively in a team, Proactive attitude, enthusiasm , and a results-driven mindset — we’re looking for people who love learning and using new technologies to build great products. Nice to have: Familiarity with design patterns , Experience with CSS frameworks (e.g., Bootstrap), Knowledge of Microsoft Azure , Understanding of CI/CD processes , including automated deployments with Azure DevOps.

🏢 Summary: Backend Developer role focused on building and maintaining complex, data-driven applications within a Scrum team, including a cloud platform integrating video surveillance and multiple data sources. The position involves developing .NET Core services, working with databases and message brokers, and contributing to CI/CD and containerized environments. The role requires close collaboration with cross-functional teams and active participation in agile processes. 🗂️ Requirements: 3+ years of experience developing and deploying backend C# .NET solutions, Experience creating .NET Core services and applications, Knowledge of SQL and NoSQL databases (Postgres, Starrocks, Mongo), Knowledge of message brokers (RabbitMQ, Kafka), Experience building applications for Docker and Kubernetes, Good knowledge of design patterns and programming best practices, Experience with Visual Studio or Visual Studio Code, Experience with Jira, English proficiency at minimum B1 level, Polish at communicative level, Availability to work at least 3 days per week from the Gliwice office 📃 Skills: C#, .NET, .NETCore, SQL, Postgres, Starrocks, MongoDB, RabbitMQ, Kafka, Docker, Kubernetes, VisualStudio, VSCode, Jira 🏢 Description: We are looking for a backend developer who will join our scrum team building complex data-driven applications, including Searchlight Cloud. About the project Searchlight Cloud is a highly flexible platform that combines high-definition video surveillance with various data sources including transactional data from point-of-sale systems, metadata from AI-enabled cameras and other forms of sensor-driven data to give organizations a complete view of their business. Using the platform, corporations can address security and fraud concerns, while also gaining insights into operational, compliance, and sales and marketing issues. Duties and Responsibilities Working in 2-week sprints, assist with building data-driven applications in a team of backend developers, frontend developers and QA Working daily with the scrum, interdisciplinary team Proposing technical solutions Creating new features Preparing documentation Bugfixing and code refactoring Code reviews Collaboration with DevOps team Requirements Must have: +3 years in developing and deploying backend C# .NET Solutions Experience in creating .NET Core services and applications Knowledge of SQL and non-SQL databases (Postgres, Starrocks, Mongo) Knowledge of message brokers (Rabbit, Kafka) Knowledge of building applications for Docker and Kubernetes Good knowledge of design patterns and good programming practices Experience with Visual Studio/Visual Studio Code and Jira English - min. B1 level, allowing daily communication, writing documentation, participation in meetings, etc. Polish at min. communicative level Ability to work at least 3 days a week from our office in Gliwice Nice to have: Bachelor’s or Master’s degree in Information Technology or a similar technical University degree Experience using GenAI tools in daily development workflows (e.g., GitHub Copilot, Amazon Q, Kiro) Experience with monitoring and logging tools (e.g., Prometheus, Grafana) Experience with unit testing and integration testing Experience in working in agile methodologies Why join us? Private healthcare (Medicover) Sport cards (Medicover Sport) Training budget Company lunch once a week English lessons with a native speaker during working hours (1,5h or 45 min a week) - depending on your proficiency level Free parking near the office

🏢 Summary: Long-term remote B2B contract for an experienced Full Stack Software Engineer (React + .NET) to build cloud-native applications for the energy sector. The role involves developing scalable end-to-end solutions using React, .NET, PostgreSQL, and Azure in a microservices-based architecture. Work is conducted in an agile team during North American hours. 🗂️ Requirements: Minimum 3+ years of professional experience in full-stack development, Strong commercial experience with React and .NET, Proficiency in React hooks, context, React Query and state management, Solid knowledge of C# and building RESTful APIs in .NET, Experience with PostgreSQL including schema design and performance optimization, Hands-on experience with Azure and containerized applications, Experience with CI/CD pipelines such as GitHub Actions or Azure DevOps, Strong experience with test-driven development (TDD), Experience with Playwright or similar UI testing frameworks, Experience working with microservices architecture, EU citizenship and residence in Poland, English level minimum B2 📃 Skills: React, TypeScript, .NET, C#, PostgreSQL, Azure, AKS, ACI, Docker, Microservices, REST, Playwright, TDD, GitHub, GitHubActions, AzureDevOps, CI/CD, GraphQL, gRPC, DDD 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Software Engineer (React+.NET) to join a remote development team working on modern, cloud-native applications for the energy sector. If you enjoy building scalable solutions, working with modern technologies, and collaborating in agile teams. Project information: Type of project: IT Services Office location: Poland Work mode: Remote Working hours: North American working hours – 13:00–21:00 CET, occasionally 15:00–23:00 CET Budget: 160–170 PLN net/h – B2B Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate availability) Project scope: Develop end-to-end features across the full stack using React, .NET, and PostgreSQL Build and maintain cloud-native solutions using Azure containerized environments and microservices architecture Create scalable backend APIs using .NET (C#) Design and implement modern React-based frontend components Write clean, maintainable code following test-driven development (TDD) practices Implement and maintain automated tests, preferably using Playwright for UI and end-to-end testing Collaborate with product owners, designers, and engineers in an agile team environment Participate in code reviews, design discussions, and architectural decisions Actively use GitHub Copilot to enhance development efficiency and quality Troubleshoot, debug, and optimize applications for performance and scalability Requirements: Minimum 3+ years of professional experience in full-stack development Strong experience as a Full Stack Developer with React and .NET Proficiency in React (hooks, context, React Query, state management) Experience with TypeScript is highly desirable Solid knowledge of .NET (C#) and building RESTful APIs Experience with PostgreSQL, including schema design and performance optimization Hands-on experience with Azure and containerized applications (e.g., Azure Container Apps, AKS, or ACI) Experience working with CI/CD pipelines such as GitHub Actions or Azure DevOps Strong experience with test-driven development (TDD) Experience with Playwright or similar UI testing frameworks Comfortable working with AI-assisted development tools such as GitHub Copilot Strong communication skills and ability to collaborate in agile development environments Good English communication skills, minimum B2 Nice to have: Experience with microservices or distributed architectures Knowledge of GraphQL or gRPC Familiarity with Domain-Driven Design (DDD) Experience using Azure DevOps Boards or Jira We offer: Remote working model Full-time job agreement based on on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance