.NET Developer

🏢 Summary: The offer is for a .NET Developer responsible for building and enhancing scalable backend systems and REST APIs for global travel platforms. The role involves contributing to architecture, optimizing performance, and collaborating in an agile environment to deliver reliable, high-quality software. It includes hybrid work, international projects, and professional development opportunities. 🗂️ Requirements: Minimum 3 years of commercial experience with .NET development, Strong knowledge of ASP.NET MVC, Experience developing REST APIs, Experience working in agile software development teams, Good knowledge of MS SQL, Good knowledge of Elasticsearch, Experience with CI/CD tools (Git, TeamCity or similar), Experience writing unit and integration tests, Ability to write clean, maintainable, and well-tested code, Very good English communication skills 📃 Skills: .NET, ASP.NET, MVC, REST, MS SQL, Elasticsearch, Git, TeamCity, CI/CD, UnitTesting, IntegrationTesting, Umbraco, Angular, AWS 🏢 Description: We are looking for a .NET Developer to join our team and help build scalable, high-quality solutions that power our global travel platforms. In this role, you will work on the development and enhancement of backend systems, contribute to architectural decisions, and collaborate with cross-functional teams to deliver reliable and efficient software used by customers worldwide. Your responsibilities Design, develop, and maintain applications using .NET technologies Translate business requirements into scalable and maintainable technical solutions Develop and enhance REST APIs and backend services Maintain, troubleshoot, and improve existing applications Refactor and optimize code to improve performance, scalability, and maintainability Write clean, well-structured, and testable code following best practices Participate in code reviews and contribute to improving development standards Identify and resolve performance bottlenecks and system issues Contribute to application architecture, technical design, and system documentation Collaborate closely with developers, QA engineers, Product Owners, and other stakeholders in an agile environment Our requirements At least 3 years of commercial experience with .NET development Strong knowledge of ASP.NET MVC and REST APIs Experience working within agile software development teams Good knowledge of MS SQL and Elasticsearch Experience with CI/CD tools and practices (Git, TeamCity or similar) Experience writing unit and integration tests Ability to write clean, maintainable, and well-tested code Very good English communication skills Nice to have Experience with Umbraco CMS Experience with Angular Knowledge of AWS services and cloud-based solutions How we work Clean Code principles Design patterns and software engineering best practices Code reviews and knowledge sharing Static code analysis Continuous Integration and Continuous Deployment (CI/CD) Agile and collaborative development environment What we offer Hybrid work model (1–2 days per week in our Katowice office) Opportunity to work on international, large-scale projects Attractive remuneration paid in EUR Flexible working hours Individual development budget Partially or fully funded training and certifications English lessons Mentoring and support from experienced technical leaders Participation in conferences in Poland and abroad A culture focused on learning, collaboration, and knowledge sharing Space to innovate and bring your own ideas to life Support for IT community initiatives

🏢 Summary: 12-month B2B contract for an experienced .NET Developer to design, develop, and enhance business-critical IT systems, combining software development with system and data analysis. The role involves building web applications, working with data warehouse processes, and translating business requirements into technical solutions in cooperation with stakeholders. Remote work with occasional visits to Łódź office. 🗂️ Requirements: Minimum 3 years of programming experience in IT projects, .NET and C# proficiency, Experience with SQL and SQL Server Integration Services, Experience with HTML and MVC.NET, Knowledge of JavaScript, jQuery, jQuery UI, HTML5, CSS3, Experience in web application development, Knowledge of Visual Studio Ultimate 2013, Understanding of unit testing and test automation, Knowledge of design patterns and object-oriented programming, Experience in designing and developing information systems for large-scale or financial institutions, Experience in business and system requirements analysis, English sufficient for technical documentation, Ability to work with Large Language Models 📃 Skills: .NET, C#, SQL, SSIS, HTML, MVC, JavaScript, jQuery, jQueryUI, HTML5, CSS3, VisualStudio, OOP, TestAutomation, LLMs 🏢 Description: PROJECT DETAILS: Contract B2B , 12 months + extensions Rate: up to 125 PLN/h nett + VAT Working model : remote with occasional visits to Łódź’s office (2 times per month) We are looking for an experienced .NET Developer to join a project focused on developing, implementing, and improving business-critical IT systems. This role combines hands-on software development with business and system analysis, data-related activities, documentation, testing, and cooperation with internal stakeholders and external vendors. The project involves IT systems that are partly based on Oracle technologies and data warehouse processes. The person in this role will work closely with business users to gather, analyse, and refine requirements, translate business concepts into clear system specifications, and support the delivery of high-quality technical solutions. RESPONSIBILITIES : Leading design and implementation activities within IT systems based on Oracle-related technologies. Developing and maintaining web applications using .NET, C#, SQL, HTML, JavaScript, jQuery, and related technologies. Cooperating with business users to gather, analyse, and clarify requirements for data and system solutions. Translating general business concepts into detailed functional and technical requirements. Participating in internal software testing and supporting test automation activities. Creating and updating technical and functional system documentation. Supporting the design of new solutions and contributing to future system development directions. Implementing improvements related to data quality across systems and applications, and exporting data to a data warehouse. Reviewing and providing feedback on technical specifications, project documentation, technical documentation, and administrative documentation prepared by external teams. Working with business stakeholders, internal clients, and external vendors. REQUIREMENTS : Minimum 3 years of programming experience in IT projects. Very good knowledge of .NET and C#. Experience with SQL, SQL Server Integration Services, HTML, and MVC.NET. Knowledge of JavaScript, jQuery, jQuery UI, HTML5, and CSS3. Experience in developing web applications. Knowledge of Visual Studio Ultimate 2013. Understanding of unit testing and test automation processes. Good knowledge of design patterns and object-oriented programming principles. Experience in designing and developing information systems for financial institutions or organisations with a similar scale, complexity, and IT quality requirements. Knowledge of business and system requirements analysis. Strong analytical thinking and the ability to formulate clear and precise conclusions. Ability to cooperate with business clients, internal stakeholders, and external suppliers. High level of independence, good work organisation, goal orientation, and consistency in task delivery. Strong communication skills, curiosity, and negotiation abilities. English is sufficient for working with technical documentation and professional literature. Ability to work with Large Language Models. Nice to Have Basic knowledge of UX design. Knowledge of Agile and XP methodologies. Knowledge of PL/SQL and Oracle databases. Practical experience with CASE tools, such as Sparx Systems Enterprise Architect. Knowledge of UML. Experience working in a matrix organisation. Knowledge of ITIL.

🏢 Summary: Hybrid Regular .NET Developer role focused on building and maintaining IT solutions for the financial sector, including Oracle-based systems and web applications. The position involves software development, system design, testing, documentation, and collaboration with business users and external vendors. Candidates should have strong experience with .NET technologies, SQL, web development, and enterprise-scale financial systems. 🗂️ Requirements: Very good knowledge of .NET framework, Ability to work with LLMs, Minimum 3 years of experience with C# and .NET, Experience with WCF, Experience with SQL and SSIS, Knowledge of ASP.NET MVC, Proficiency in JavaScript, Proficiency in jQuery, Proficiency in HTML5 and CSS3, Experience with Visual Studio Ultimate 2013, Knowledge of unit testing and test automation, Experience developing web applications, Understanding of OOP principles and design patterns, Experience designing IT systems for financial institutions or enterprise environments, Ability to analyze business and system requirements, English proficiency for technical documentation 📃 Skills: .NET, C#, WCF, SQL, SSIS, HTML, HTML5, ASP.NET, MVC, JavaScript, jQuery, CSS3, VisualStudio, OOP, LLM, Oracle, PLSQL, UML, ITIL, AGILE, XP 🏢 Description: .NET Developer (Regular) Financial Technology Sector | Hybrid Work (Łódź, Poland) Work Model: Hybrid (On-site 2 times a month in Łódź) Role Overview & Responsibilities We are seeking a skilled Regular .NET Developer to join our team and build high-quality IT solutions for the financial sector. In this role, you will be responsible for: Conducting design and implementation work in IT systems (including Oracle-based technologies). Collaborating with end/business users to gather and analyze data requirements for new solutions, specifically detailing general tasks and business concepts. Actively participating in internal software testing. Creating and updating technical and functional system documentation. Cooperating in the development of new solutions and defining technical directions. Implementing actions to improve data quality in systems and applications exporting data to the data warehouse. Supporting the review of technical specifications, as well as project, technical, and administrative documentation prepared by third-party vendors. Key Requirements Absolute Must-Haves: Very good knowledge of the .NET framework. Ability to work with Large Language Models (LLMs) . Strong teamwork skills combined with high independence. Experience & Technical Skills: Minimum 3 years of programming experience in IT projects using C#, .NET (including v4.5), WCF, SQL, SQL Server Integration Services (SSIS), HTML, and ASP.NET MVC. Proficiency in JavaScript, jQuery, jQuery UI, HTML5, and CSS3. Familiarity with Visual Studio Ultimate 2013. Knowledge of unit testing and the test automation process. Proven experience in developing web applications. Strong understanding of Object-Oriented Programming (OOP) principles and design patterns. Practical experience designing and programming IT systems for financial institutions (or similar enterprise environments in terms of scale, complexity, and quality standards). Soft Skills & Competencies: High degree of independence, goal orientation, and consistency in task execution. Excellent work organization, fast learning ability, and teamwork skills. Knowledge of business and system requirements analysis, specifically analytical thinking and precise communication. Ability to effectively cooperate with business clients, internal stakeholders, and external suppliers. High communication skills, natural inquisitiveness, and negotiation abilities. English proficiency sufficient for freely working with technical documentation and literature. Nice to Have Understanding of basic UX design principles. Familiarity with AGILE and XP methodologies. Knowledge of PL/SQL and Oracle databases. Practical knowledge of at least one CASE tool (e.g., Sparx Systems Enterprise Architect) and UML. Experience working in a matrix organizational structure. Familiarity with ITIL best practices.

🏢 Summary: Long-term fully remote B2B contract for a .NET Developer focused on maintaining and developing applications based on .NET Framework 4.7 and WinForms. The role involves designing, optimizing, deploying, and supporting software solutions in production environments. The position emphasizes system improvement, code quality, and close collaboration within cross-functional teams. 🗂️ Requirements: Experience with .NET Framework (preferably 4.7), Experience with WinForms, Strong knowledge of SQL, Strong knowledge of Entity Framework, Experience in application deployment, Experience in production support, Ability to maintain and optimize existing systems, Experience in code refactoring and code quality improvement, Experience with technical documentation, Familiarity with Jira or similar issue-tracking tools, Strong debugging skills 📃 Skills: .NET, WinForms, SQL, EntityFramework, Jira, Debugging, Refactoring 🏢 Description: We are looking for a .NET Developer : Key Details: Long-term B2B contract (140–170 PLN/hour) Fully remote work Tech stack: .NET Framework (mainly 4.7), WinForms, SQL, Entity Framework Requirements: Experience with .NET Framework (preferably version 4.7) and WinForms Strong knowledge of SQL and Entity Framework Ability to design and develop software solutions aligned with user needs Experience with deploying applications and supporting them in production environments Skills in maintaining, improving, and optimizing existing systems (performance, security, functionality) Ability to collaborate effectively with cross-functional teams (engineers, designers, analysts, Product Managers) Experience in writing and maintaining technical documentation Familiarity with Jira or similar tools for tracking issues and feedback Experience with refactoring code and improving code quality Willingness to share knowledge and support team development Strong debugging and problem-solving skills to ensure application stability and reliability

🏢 Summary: The offer is for a .NET Developer to join a backend team building and enhancing systems that support business operations, integrations, and data processing in an international environment. The role focuses on developing high-performance .NET applications, designing APIs, and collaborating within a mixed .NET and Java ecosystem. It includes work on integrations, CI/CD processes, and cooperation with distributed teams in a hybrid work model. 🗂️ Requirements: Minimum 3 years of professional experience in .NET development, Strong knowledge of C#, Experience with Java, Experience in backend development and API creation, Working knowledge of relational databases, Familiarity with Git, Experience working in Agile/Scrum teams, English proficiency at B2 level or higher 📃 Skills: .NET, C#, Java, REST, Git, SQL, MS SQL Server, SQLite, PostgreSQL, CI/CD 🏢 Description: 📍Contract of Employment 📍Gliwice - hybrid (50%) 📍17.000 - 21.000PLN gross monthly Position Overview We are seeking a .NET Developer to join a backend team responsible for building and enhancing systems that support business operations, integrations, and data processing in our client’s international environment. This role focuses mainly on .NET technologies while offering opportunities to collaborate within a broader ecosystem that also includes Java-based solutions. What You’ll Be Working On Developing, maintaining, and optimizing backend applications built on .NET to ensure high performance and reliability Designing and implementing APIs that meet business and technical expectations Analyzing requirements and delivering new features, improvements, and system enhancements Supporting and expanding existing solutions Creating and managing integrations with internal and external systems Troubleshooting issues, performing root-cause analysis, and ensuring long-term stability Cooperating with distributed teams across locations such as Poland and Germany Participating in code reviews and shaping coding standards and best practices Preparing and maintaining clear, structured technical documentation Supporting deployment processes and contributing to CI/CD pipelines What We Expect From You At least 3 years of professional experience in .NET development Strong command of C# Experience with Java and readiness to work in a combined .NET + Java ecosystem Experience in backend development and API creation Working knowledge of relational databases Familiarity with Git Experience in Agile/Scrum teams Strong communication skills and readiness to collaborate in an international setting English at B2 level or higher Technology Environment .NET (including .NET Framework, .NET Core, .NET 5+) C# REST APIs Git Databases such as MS SQL Server, SQLite, PostgreSQL CI/CD tools and pipelines Hays Poland sp. z o.o. jest agencją zatrudnienia zarejestrowaną w rejestrze prowadzonym przez Marszałka Województwa Mazowieckiego pod numerem 361.

🏢 Summary: Long-term hybrid opportunity for an experienced .NET Developer to work on digital products and technology services for a major international investment bank. The role involves backend and frontend development, cloud-based architecture on Azure, and building scalable, secure microservices-based solutions. You will contribute across the full software development lifecycle, from design to deployment and production support. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or related field, Strong experience with C# and .NET Core, .NET 6 or later experience, Experience building frameworks and APIs, Knowledge of object-oriented design, Design Patterns, SOLID, Understanding of multithreading, Experience with Microsoft Azure services, Experience with microservices architecture, Experience with event-driven architecture, Experience with messaging platforms, Experience with containers, Experience with React, Experience with TypeScript or JavaScript, Experience with CSS3 and HTML5, Agile mindset, Experience with Test Driven Development, Knowledge of DevOps practices, Focus on Clean Code principles 📃 Skills: C#, .NET, .NET6, API, OOP, SOLID, Multithreading, Azure, AKS, Containers, WebApps, AzureFunctions, ServiceBus, StorageAccounts, KeyVault, Microservices, EventDriven, Kafka, Kubernetes, React, TypeScript, JavaScript, CSS3, HTML5, TDD, DevOps 🏢 Description: We are currently looking for talented and experienced .NET Developer to join a long-term project with a major international Swiss investment bank operating in the financial sector. 📍 Location: Wroclaw or Krakow 🏢 Hybrid model: 3 days per week from the office Responsibilities Design, develop, and improve digital products and technology services for clients and employees Apply a broad range of software engineering practices, from analyzing user needs to automated testing and deployment Ensure quality, security, reliability, and compliance of solutions Build observability into solutions, monitor production health, resolve incidents, and remediate root causes Understand and advocate for client needs Share knowledge with colleagues, support hiring, and contribute to engineering culture and internal communities Requirements Education Bachelor’s and/or Master’s degree in Computer Science, Computer Engineering, or related technical discipline Backend / .NET Strong experience with C# and .NET Core Experience developing frameworks and APIs using .NET 6 or later Understanding of object-oriented design, Design Patterns, and SOLID principles Understanding of multi-threading Cloud & Infrastructure Experience with Microsoft Azure services: AKS Containers Web Apps Azure Functions Service Bus Storage Accounts Key Vault Experience with Cloud architecture and engineering, ideally Azure Architecture Experience with: Microservice architecture Event-Driven architecture Service/Micro-Service architectures Loosely coupled systems Reusable components Messaging & Containers Experience with messaging platforms, ideally Kafka Experience with Containers, ideally Kubernetes Frontend Experience with React Experience with TypeScript / JavaScript Experience with CSS3 and HTML5 Engineering Practices Agile mindset Test Driven Development (TDD) DevOps practices Focus on Clean Code and engineering best practices Benefits ✅ Stable long-term cooperation with opportunity for extension Opportunity to work with modern technologies in an international environment Professional growth and continuous development opportunities Participation in challenging and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Long-term hybrid .NET Developer role for an international Swiss investment bank focused on building and improving digital products and technology services using modern cloud, microservices, and frontend technologies. The position involves full software development lifecycle responsibilities, production support, and collaboration within agile engineering teams. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or related discipline, Strong experience with C# and .NET Core, Experience building frameworks and APIs with .NET 6 or later, Understanding of object-oriented design, Design Patterns, and SOLID principles, Understanding of multi-threading, Experience with Microsoft Azure services, Experience with cloud architecture and engineering, Experience with microservice and event-driven architectures, Experience with messaging platforms, Experience with containers and Kubernetes, Experience with React, Experience with TypeScript or JavaScript, Experience with CSS3 and HTML5, Agile mindset, Experience with Test Driven Development, Knowledge of DevOps practices, Focus on Clean Code and engineering best practices 📃 Skills: C#, .NET, .NETCore, .NET6, Azure, AKS, Containers, WebApps, AzureFunctions, ServiceBus, StorageAccounts, KeyVault, Microservices, EventDriven, Kafka, Kubernetes, React, TypeScript, JavaScript, CSS3, HTML5, TDD, DevOps, SOLID, Multithreading 🏢 Description: We are currently looking for talented and experienced .NET Developer to join a long-term project with a major international Swiss investment bank operating in the financial sector. 📍 Location: Wroclaw or Krakow 🏢 Hybrid model: 3 days per week from the office Responsibilities Design, develop, and improve digital products and technology services for clients and employees Apply a broad range of software engineering practices, from analyzing user needs to automated testing and deployment Ensure quality, security, reliability, and compliance of solutions Build observability into solutions, monitor production health, resolve incidents, and remediate root causes Understand and advocate for client needs Share knowledge with colleagues, support hiring, and contribute to engineering culture and internal communities Education Bachelor’s and/or Master’s degree in Computer Science, Computer Engineering, or related technical discipline Backend / .NET Strong experience with C# and .NET Core Experience developing frameworks and APIs using .NET 6 or later Understanding of object-oriented design, Design Patterns, and SOLID principles Understanding of multi-threading Cloud & Infrastructure Experience with Microsoft Azure services: AKS Containers Web Apps Azure Functions Service Bus Storage Accounts Key Vault Experience with Cloud architecture and engineering, ideally Azure Architecture Experience with: Microservice architecture Event-Driven architecture Service/Micro-Service architectures Loosely coupled systems Reusable components Messaging & Containers Experience with messaging platforms, ideally Kafka Experience with Containers, ideally Kubernetes Frontend Experience with React Experience with TypeScript / JavaScript Experience with CSS3 and HTML5 Engineering Practices Agile mindset Test Driven Development (TDD) DevOps practices Focus on Clean Code and engineering best practices Benefits ✅ Stable long-term cooperation with opportunity for extension Opportunity to work with modern technologies in an international environment Professional growth and continuous development opportunities Participation in challenging and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Senior .NET Developer role focused on designing, extending, and modernizing critical banking systems within securities and core banking domains. The position involves full-stack development, system integration, and cloud scaling in a distributed team without a separate QA function. Work includes end-to-end ownership of business-critical applications in a regulated investment banking environment. 🗂️ Requirements: 5+ years experience with .NET and C#, Hands-on experience in banking or investment banking, Full-stack development experience, Strong knowledge of SOLID principles, Experience with document-based databases, Experience with event-driven messaging frameworks, Knowledge of unit and integration testing, End-to-end application development experience, Ability to work independently in regulated environments, Availability during UK business hours, Poland-based residency 📃 Skills: .NET, C#, MongoDB, SQL, REST, Microservices, Docker, Kubernetes, Azure, UnitTesting, IntegrationTesting, EventDriven, Git 🏢 Description: Work model: 100% remote (candidates must be based in Poland) Contract type: B2B Industry: Banking / Investment Banking We are looking for an experienced Senior .NET Developer to join a distributed engineering team working on critical banking systems. The role focuses on extending and modernising applications used across securities and banking operations, with a strong emphasis on system design, scalability, and cloud transformation. You will work end-to-end on business-critical systems, closely collaborating with Business Analysts, without a separate QA team. A solid background in banking or financial services is essential. Main Responsibilities: Design, develop, and extend .NET-based systems supporting multiple banking entities Contribute to the integration of securities and core banking platforms Support and enhance a portfolio of ~17 applications across product control and risk management Work with an in-house development framework in a full-stack capacity Participate in scaling applications for cloud-based, containerized environments Collaborate closely with business stakeholders to deliver robust solutions Ensure high code quality through unit and integration testing Key Requirements: 5+ years of professional experience as a .NET / C# Developer Hands-on experience in the banking or investment banking sector (mandatory) Full-stack development experience (backend-focused, frontend included) Strong understanding and practical application of SOLID design principles Experience with document-based databases (e.g. MongoDB) Experience with event-driven / event-based messaging frameworks Solid knowledge of unit and integration testing Experience working end-to-end on applications (development, testing, support) Ability to work independently in a fast-paced, regulated environment Availability during UK business hours Nice to Have: Experience with cloud platforms and application migration to cloud Experience with container technologies (e.g. Docker, Kubernetes) Exposure to systems such as Murex or large in-house banking platforms Background in securities, risk, or product control systems Other Details: This role is 100% remote with candidates required to be located in Poland. The contract is on a B2B basis within the banking and investment banking industry.

🏢 Summary: Senior .NET Developer role focused on designing, extending, and modernising critical banking and securities systems in a fully remote B2B model. The position involves full-stack development, system integration, and cloud scaling within distributed, business-critical environments. The role requires close collaboration with business stakeholders and ownership of end-to-end application delivery. 🗂️ Requirements: 5+ years experience as .NET / C# Developer, Experience in banking or investment banking sector, Full-stack development experience, Knowledge of SOLID design principles, Experience with document-based databases, Experience with event-driven messaging frameworks, Experience with unit and integration testing, End-to-end application development experience, Ability to work during UK business hours, Based in Poland 📃 Skills: .NET, C#, MongoDB, SOLID, Messaging, UnitTesting, IntegrationTesting, Docker, Kubernetes, Cloud 🏢 Description: Work model: 100% remote (candidates must be based in Poland) Contract type: B2B Industry: Banking / Investment Banking We are looking for an experienced Senior .NET Developer to join a distributed engineering team working on critical banking systems. The role focuses on extending and modernising applications used across securities and banking operations, with a strong emphasis on system design, scalability, and cloud transformation. You will work end-to-end on business-critical systems, closely collaborating with Business Analysts, without a separate QA team. A solid background in banking or financial services is essential. Main Responsibilities: Design, develop, and extend .NET-based systems supporting multiple banking entities Contribute to the integration of securities and core banking platforms Support and enhance a portfolio of ~17 applications across product control and risk management Work with an in-house development framework in a full-stack capacity Participate in scaling applications for cloud-based, containerized environments Collaborate closely with business stakeholders to deliver robust solutions Ensure high code quality through unit and integration testing Key Requirements: 5+ years of professional experience as a .NET / C# Developer Hands-on experience in the banking or investment banking sector (mandatory) Full-stack development experience (backend-focused, frontend included) Strong understanding and practical application of SOLID design principles Experience with document-based databases (e.g. MongoDB) Experience with event-driven / event-based messaging frameworks Solid knowledge of unit and integration testing Experience working end-to-end on applications (development, testing, support) Ability to work independently in a fast-paced, regulated environment Availability during UK business hours Nice to Have: Experience with cloud platforms and application migration to cloud Experience with container technologies (e.g. Docker, Kubernetes) Exposure to systems such as Murex or large in-house banking platforms Background in securities, risk, or product control systems Other Details: This role is 100% remote with candidates required to be located in Poland. The contract is on a B2B basis within the banking and investment banking industry.

🏢 Summary: Full-time .NET Developer role focused on building and maintaining ASP.NET Core Web APIs and applications based on the DotNetNuke (DNN) platform. The position involves database design and optimization, writing automated tests, and ensuring high code quality within a collaborative development team. Work is 100% onsite in Łódź. 🗂️ Requirements: Commercial experience in C#/.NET, Strong knowledge of C# and .NET 8+, Experience with DotNetNuke (DNN) – modules, customization, deployments, Practical knowledge of SQL and Microsoft SQL Server, Experience with ASP.NET Core Web API, Proficiency with Git, Experience with Visual Studio or Visual Studio Code, Knowledge of clean code principles, Experience with unit and integration testing, Ability to read technical documentation in English 📃 Skills: C#, .NET, ASP.NET, DNN, SQL, MSSQL, Git, VisualStudio, VisualStudioCode, REST, xUnit 🏢 Description: Szukamy .NET Developera , który dołączy do naszego zespołu i wesprze nas w realizacji projektów opartych na nowoczesnych technologiach Microsoft. Jeżeli lubisz pisać czysty, testowalny kod, cenisz sobie dobrą atmosferę i pracę zespołową – zapraszamy! Twój zakres obowiązków Tworzenie i utrzymanie API ( ASP.NET Core Web API) oraz zadań cyklicznych (background jobs) w C# / .NET Projektowanie i optymalizacja zapytań SQL oraz zarządzanie migracjami bazy danych (MSSQL, Flyway) Rozwój i utrzymanie aplikacji opartych na platformie DotNetNuke (DNN) Udział w Code Review, planowaniu zadań Pisanie testów jednostkowych i integracyjnych Analiza i rozwiązywanie bieżących problemów technicznych Dbanie o jakość, czytelność i poprawność tworzonego kodu Nasze wymagania Doświadczenie komercyjne w C# / .NET Znajomość C# i platformy .NET (.NET 8+) Znajomość i doświadczenie z platformą DotNetNuke (DNN) – tworzenie modułów, customizacja, wdrożenia Praktyczna znajomość SQL i relacyjnych baz danych – Microsoft SQL Server (MSSQL) Znajomość ASP.NET Core Web API Znajomość GIT-a oraz umiejętność pracy z Visual Studio / Visual Studio Code Znajomość zasad czystego kodu i dobrych praktyk programistycznych Znajomość testów jednostkowych i integracyjnych Umiejętność czytania dokumentacji technicznej w języku angielskim Umiejętność samodzielnego rozwiązywania problemów i pracy w zespole Mile widziane Znajomość PostgreSQL Umiejętność pracy z narzędziami AI w codziennym programowaniu Doświadczenie z Flyway lub innym narzędziem do migracji baz danych Udział w projektach własnych lub open source Wykształcenie kierunkowe lub w trakcie studiów informatycznych To oferujemy zatrudnienie na podstawie umowy o pracę, pracę na pełen etat, pracę 100% stacjonarną w biurze w Łodzi, możliwość rozwoju zawodowego i nauki od doświadczonego zespołu, udział w ciekawych projektach technologicznych, przyjazną atmosferę i wsparcie wdrożeniowe od pierwszego dnia, stabilne zatrudnienie w firmie o ugruntowanej pozycji na rynku.