Senior .Net Developer

🏢 Summary: Junior .NET Developer role focused on building and maintaining applications that integrate data into internal systems using C# and .NET technologies. The position involves working on Windows services, web applications, and AWS-based components while ensuring scalability, stability, and code quality. This is a full-time opportunity with remote or hybrid work options and professional development support. 🗂️ Requirements: Basic knowledge of C#, Basic knowledge of .NET technologies, Familiarity with cloud solutions, Familiarity with MS SQL databases, Understanding of design patterns, Understanding of programming best practices, Willingness to write unit and integration tests, Ability to design scalable and stable solutions, Ability to propose technical solutions with advantages and disadvantages comparison, English proficiency at B2 level, Ability to work in a team, Familiarity with Git, Understanding of SDLC methodologies, Familiarity with CI/CD pipelines 📃 Skills: C#, .NET, AWS, SQL, MS SQL, Git, CI/CD, REST, Angular, AngularJS, Snowflake, Jira, Confluence, Jenkins 🏢 Description: We are looking for a Junior .NET Developer to join our technology team focused on integrating data coming into our system. As a team member, you will assist in creating, developing, and maintaining applications using .NET technology, with a focus on C#. The applications we create include Windows services, web applications, and components deployed using native AWS solutions. Requirements: Basic knowledge of C# and .NET technologies. Familiarity with cloud solutions. Familiarity with MS SQL databases. Understanding of basic design patterns and best programming practices. Willingness to learn and write unit and integration tests. Ability to design scalable and stable solutions with guidance. Ability to propose technical solutions with the comparison of advantages/disadvantages under supervision. English proficiency at B2 level. Ability to work in a team, good communication skills, and the ability to share knowledge. Familiarity with Git. Understanding of software development lifecycle (SDLC) methodologies. Familiarity with building CI/CD pipelines. Nice to Have: Experience with AWS Cloud Services. Familiarity with monitoring and logging tools in AWS. Experience with GitHub. Basic knowledge of API design principles (RESTful). Familiarity with agile methodologies and tools such as Jira/Confluence/Jenkins. Experience with front-end technologies (Angular, AngularJS) is a plus. Knowledge or experience with Snowflake is a plus. Responsibilities: Assist in developing and enhancing applications using .NET (C#). Learn and work with cloud solutions. Write and maintain unit and integration tests under guidance. Contribute to designing and implementing solutions with an emphasis on scalability and stability. Propose technical solutions for presented problems with support from team members. Work with MS SQL databases. Collaborate with other team members and share knowledge. Maintain high code quality following best practices and design patterns. Work closely with Project Managers and other staff members to collect requirements, estimate work, and ensure that projects are delivered according to schedule. We offer: Employment Contract/ B2B Remote work or hybrid work (office in Gliwice) Full time position The possibility of professional development Stable working environment - we focus on long-term cooperation English/Spanish lessons Private medical care Luxmed Live Insurance Allianz Mutlisport Birthday leave Voluntary days International projects Position available immediately

🏢 Summary: Junior .NET Developer role focused on building and maintaining data integration applications using C# and .NET. The position involves developing Windows services, web applications, and AWS-based components while following best practices and design patterns. The role includes working with MS SQL databases, cloud solutions, and CI/CD processes in a collaborative environment. 🗂️ Requirements: Basic knowledge of C#, .NET knowledge, Familiarity with cloud solutions, Familiarity with MSSQL, Understanding of design patterns, Knowledge of programming best practices, Willingness to write unit tests, Willingness to write integration tests, Ability to design scalable solutions with guidance, Ability to propose technical solutions under supervision, Familiarity with Git, Understanding of SDLC, Familiarity with CI/CD pipelines 📃 Skills: C#, .NET, AWS, MSSQL, Git, CI/CD, REST, Jenkins, Jira, Confluence, Angular, Snowflake, SDLC 🏢 Description: We are looking for a Junior .NET Developer to join our technology team focused on integrating data coming into our system. As a team member, you will assist in creating, developing, and maintaining applications using .NET technology, with a focus on C#. The applications we create include Windows services, web applications, and components deployed using native AWS solutions. Requirements: Basic knowledge of C# and .NET technologies. Familiarity with cloud solutions. Familiarity with MS SQL databases. Understanding of basic design patterns and best programming practices. Willingness to learn and write unit and integration tests. Ability to design scalable and stable solutions with guidance. Ability to propose technical solutions with the comparison of advantages/disadvantages under supervision. English proficiency at B2 level. Ability to work in a team, good communication skills, and the ability to share knowledge. Familiarity with Git. Understanding of software development lifecycle (SDLC) methodologies. Familiarity with building CI/CD pipelines. Nice to Have: Experience with AWS Cloud Services. Familiarity with monitoring and logging tools in AWS. Experience with GitHub. Basic knowledge of API design principles (RESTful). Familiarity with agile methodologies and tools such as Jira/Confluence/Jenkins. Experience with front-end technologies (Angular, AngularJS) is a plus. Knowledge or experience with Snowflake is a plus. Responsibilities: Assist in developing and enhancing applications using .NET (C#). Learn and work with cloud solutions. Write and maintain unit and integration tests under guidance. Contribute to designing and implementing solutions with an emphasis on scalability and stability. Propose technical solutions for presented problems with support from team members. Work with MS SQL databases. Collaborate with other team members and share knowledge. Maintain high code quality following best practices and design patterns. Work closely with Project Managers and other staff members to collect requirements, estimate work, and ensure that projects are delivered according to schedule. We offer: Employment Contract/ B2B Remote work or hybrid work (office in Gliwice) Full time position The possibility of professional development Stable working environment - we focus on long-term cooperation English/Spanish lessons Private medical care Luxmed Live Insurance Allianz Mutlisport Birthday leave Voluntary days International projects Position available immediately

🏢 Summary: Remote Full Stack .NET Developer role focused on building and maintaining enterprise-grade applications using Angular 20+ and ASP.NET Core (.NET 9+) within a Microsoft and Azure ecosystem. The position involves designing scalable solutions, integrating authentication and external systems, and deploying cloud-native applications using Docker, Kubernetes, and CI/CD pipelines. Long-term B2B project for EU citizens residing in Poland. 🗂️ Requirements: Strong commercial experience as Full Stack .NET Developer, Hands-on experience with Angular 20+, Very good knowledge of ASP.NET Core and modern .NET, Experience designing and developing RESTful APIs, Experience with Microsoft Azure services, Strong knowledge of Microsoft SQL Server, Experience with Entity Framework Core, Experience with Docker and containerized environments, Understanding of Kubernetes, Experience building and maintaining CI/CD pipelines, Strong SQL skills, Knowledge of authentication and authorization mechanisms including Azure AD, Experience in Agile environments, Very good English skills, EU citizenship, Residence in Poland 📃 Skills: Angular, ASP.NET, NET, C#, REST, Azure, MSAL, AzureAD, SQL, SQLServer, EntityFramework, Docker, Kubernetes, CI/CD, Vitest, xUnit, Moq, AzureDevOps 🏢 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 currently looking for an experienced Full Stack .NET Developer to join a remote international team delivering enterprise-grade applications using modern Microsoft and Angular technologies. In this role, you will be responsible for designing, developing, and maintaining scalable applications while collaborating closely with cross-functional teams in an agile environment. Project information: Type of project: It services Office Location: Poland Work mode: Remote from Poland Budget: 120-140 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’s availability) Project scope: Design and develop enterprise applications using Angular 20+ on the front end and ASP.NET Core (.NET 9+) on the back end Implement standalone components and signals-based architecture to build responsive and maintainable user interfaces Integrate Azure MSAL authentication, RESTful APIs, and external systems Build and optimize data access layers using Entity Framework Core and manage relational data in Microsoft SQL Server Ensure application security through authentication, authorization, and data protection mechanisms based on Azure Active Directory Deploy and manage application environments using Docker, Kubernetes, and CI/CD pipelines Develop and maintain comprehensive unit and integration tests for both front-end and back-end components using Vitest, xUnit, and Moq Collaborate with cross-functional teams to maintain shared libraries and continuously improve product functionality based on user feedback Troubleshoot, debug, and optimize applications to ensure scalability, reliability, and high performance Participate actively in code reviews by reviewing and approving Pull Requests from team members Document project progress, architectural decisions, and implementation outcomes using Azure DevOps Boards and Wiki Contribute to continuous improvement initiatives and promote development best practices across the team Competence demands: Strong commercial experience as a Full Stack .NET Developer Proven hands-on experience with Angular and .NET technologies Very good knowledge of ASP.NET Core and modern .NET development practices Experience designing and developing RESTful APIs Practical experience with Microsoft Azure services and cloud-native applications Strong knowledge of Microsoft SQL Server and relational database design Experience with Entity Framework Core Experience working with Docker and containerized environments Good understanding of Kubernetes and container orchestration Experience building and maintaining CI/CD pipelines Strong SQL skills and experience optimizing database queries Understanding of authentication and authorization mechanisms, including Azure AD integrations Experience working in Agile development environments Strong communication and collaboration skills Proactive approach, ownership mindset, and ability to independently lead feature implementations High attention to detail and commitment to code quality Very good English skills, both written and spoken We offer: Remote working model from Poland Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person ) Life insurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Senior .NET Developer role focused on building and enhancing scalable, cloud-native enterprise solutions using .NET 6+ and Microsoft Azure. The position involves designing modern APIs, microservices, and event-driven systems in a Kubernetes-based environment while applying DevOps and best engineering practices. Hybrid work model in Wroclaw with high-impact global projects. 🗂️ Requirements: 7+ years of professional software development experience, Strong experience with C# and .NET Core / .NET 6+, Experience building modern APIs and enterprise applications, Hands-on experience with Microsoft Azure services (AKS, Web Apps, Functions, Service Bus, Storage, Key Vault), Experience with Containers and Kubernetes, Experience with messaging platforms (Kafka preferred), Understanding of Microservices and Event-Driven Architecture, Knowledge of Object-Oriented Programming, SOLID principles, Design Patterns, Experience with multi-threading and concurrent programming, Experience with cloud architecture on Azure, Frontend experience with React and TypeScript/JavaScript, Knowledge of HTML5 and CSS3, Experience with CI/CD, TDD, and DevOps practices 📃 Skills: C#, .NET, ASP.NET, Azure, AKS, Kubernetes, Docker, Kafka, React, TypeScript, JavaScript, HTML5, CSS3, CI/CD, TDD, DevOps, Microservices, REST, ServiceBus, EventGrid 🏢 Description: Location: Wroclaw, hybrid 3 days/week About the Role We are looking for an experienced and passionate Senior .NET Developer with strong Azure expertise to join our engineering team. In this role, you will design, develop, and enhance scalable digital products and technology services used by clients and internal teams worldwide. You will work in a modern cloud-native environment, contribute to high-impact projects, and collaborate with cross-functional teams to build secure, reliable, and highly available enterprise solutions. Key Responsibilities Design, develop, and improve enterprise-grade digital products and technology services Analyze business and user requirements to deliver scalable and efficient technical solutions Develop modern APIs and backend services using .NET 6+ and Azure cloud technologies Apply software engineering best practices including automated testing, CI/CD, and DevOps methodologies Ensure quality, security, reliability, and compliance across all delivered solutions Build observability into applications, monitor production systems, troubleshoot incidents, and resolve root causes Contribute to cloud-native and microservices-based architecture initiatives Collaborate closely with product owners, architects, and engineering teams to deliver business value Advocate for client and user needs while driving technical excellence Share knowledge with peers, mentor team members, and contribute to engineering culture and hiring activities Required Skills & Experience 7+ years of professional software development experience Strong hands-on experience with C# and .NET Core / .NET 6+ Proven experience building modern APIs and enterprise applications using .NET technologies Strong experience with Microsoft Azure services including: AKS (Azure Kubernetes Service) Azure Containers Azure Web Apps Azure Functions Azure Service Bus Azure Storage Accounts Azure Key Vault Experience with messaging platforms, preferably Kafka Strong experience with Containers and Kubernetes Solid understanding of Microservices and Event-Driven Architecture Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles Good understanding of Multi-threading and concurrent programming Experience with Cloud Architecture and Engineering on Azure platforms Experience with: Azure App Services Container Apps Event Grid Service Bus Frontend development experience with React , TypeScript/JavaScript Strong knowledge of HTML5 and CSS3 Experience working in Agile environments using TDD and DevOps practices Passion for Software Craftsmanship, Clean Code, and engineering best practices Strong analytical, troubleshooting, and problem-solving skills Excellent verbal and written communication skills Nice to Have Experience implementing: Service-Oriented / Microservice Architectures Event-Based Architectures Loosely Coupled Systems Reusable Enterprise Components Experience working with distributed systems and high-scale applications Exposure to observability and monitoring tools

🏢 Summary: Senior .NET Developer role focused on designing and delivering scalable, cloud-native enterprise solutions using .NET 6+ and Microsoft Azure. The position involves building modern APIs and microservices, working with Kubernetes and containers, and ensuring high availability, security, and observability of distributed systems. Hybrid work model in Wroclaw with strong emphasis on DevOps, clean code, and engineering best practices. 🗂️ Requirements: 7+ years of professional software development experience, Strong hands-on experience with C# and .NET Core / .NET 6+, Proven experience building modern APIs and enterprise applications using .NET, Strong experience with Microsoft Azure services (AKS, Azure Containers, Azure Web Apps, Azure Functions, Azure Service Bus, Azure Storage Accounts, Azure Key Vault), Experience with messaging platforms, preferably Kafka, Strong experience with Containers and Kubernetes, Solid understanding of Microservices and Event-Driven Architecture, Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles, Good understanding of Multi-threading and concurrent programming, Experience with Cloud Architecture and Engineering on Azure, Experience with Azure App Services, Container Apps, Event Grid, Service Bus, Frontend experience with React and TypeScript/JavaScript, Strong knowledge of HTML5 and CSS3, Experience working in Agile environments using TDD and DevOps practices, Strong analytical, troubleshooting, and problem-solving skills, Excellent verbal and written communication skills 📃 Skills: C#, .NET, ASP.NET, Azure, AKS, Kubernetes, Docker, Kafka, React, TypeScript, JavaScript, HTML5, CSS3, Microservices, CI/CD, DevOps, TDD, EventGrid, ServiceBus, AzureFunctions, AzureStorage, AzureKeyVault 🏢 Description: Location: Wroclaw, hybrid 3 days/week About the Role We are looking for an experienced and passionate Senior .NET Developer with strong Azure expertise to join our engineering team. In this role, you will design, develop, and enhance scalable digital products and technology services used by clients and internal teams worldwide. You will work in a modern cloud-native environment, contribute to high-impact projects, and collaborate with cross-functional teams to build secure, reliable, and highly available enterprise solutions. Key Responsibilities Design, develop, and improve enterprise-grade digital products and technology services Analyze business and user requirements to deliver scalable and efficient technical solutions Develop modern APIs and backend services using .NET 6+ and Azure cloud technologies Apply software engineering best practices including automated testing, CI/CD, and DevOps methodologies Ensure quality, security, reliability, and compliance across all delivered solutions Build observability into applications, monitor production systems, troubleshoot incidents, and resolve root causes Contribute to cloud-native and microservices-based architecture initiatives Collaborate closely with product owners, architects, and engineering teams to deliver business value Advocate for client and user needs while driving technical excellence Share knowledge with peers, mentor team members, and contribute to engineering culture and hiring activities Required Skills & Experience 7+ years of professional software development experience Strong hands-on experience with C# and .NET Core / .NET 6+ Proven experience building modern APIs and enterprise applications using .NET technologies Strong experience with Microsoft Azure services including: AKS (Azure Kubernetes Service) Azure Containers Azure Web Apps Azure Functions Azure Service Bus Azure Storage Accounts Azure Key Vault Experience with messaging platforms, preferably Kafka Strong experience with Containers and Kubernetes Solid understanding of Microservices and Event-Driven Architecture Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles Good understanding of Multi-threading and concurrent programming Experience with Cloud Architecture and Engineering on Azure platforms Experience with: Azure App Services Container Apps Event Grid Service Bus Experience working in Agile environments using TDD and DevOps practices Passion for Software Craftsmanship, Clean Code, and engineering best practices Strong analytical, troubleshooting, and problem-solving skills Excellent verbal and written communication skills Nice to Have Experience implementing: Service-Oriented / Microservice Architectures Event-Based Architectures Loosely Coupled Systems Reusable Enterprise Components Experience working with distributed systems and high-scale applications Exposure to observability and monitoring tools

🏢 Summary: Long-term B2B contract for a Senior .NET Developer to build scalable full-stack cloud applications using .NET, React, and Azure in an international Agile environment. The role involves developing and maintaining modern web solutions, APIs, and cloud services with CI/CD and automated testing practices. Fully remote position focused on Azure-based architectures and high-quality engineering standards. 🗂️ Requirements: 4+ years commercial experience with .NET (C#, .NET/.NET Core, Entity Framework or other ORM, WCF), 3+ years experience with React, 2+ years experience with Azure services (Azure Functions, Logic Apps, Web Apps, Azure SQL/SQL Server), Experience with REST and SOAP web services, Knowledge of software architecture and design patterns, Understanding of Clean Code principles, Experience with Unit Testing, Good knowledge of SQL, Experience with Git and CI/CD pipelines, Fluent English 📃 Skills: C#, .NET, .NETCore, EntityFramework, WCF, React, Azure, AzureFunctions, LogicApps, WebApps, AzureSQL, SQLServer, REST, SOAP, SQL, Git, CI/CD, UnitTesting 🏢 Description: Senior .NET Developer (React & Azure) Location: Remote Contract Type: B2B Rate: 145-155 zł/h Project: Long-term international cooperation About the Role We are looking for an experienced Senior .NET Developer with strong React and Azure expertise to join an international team working on modern cloud-based applications. In this role, you will contribute to the development of scalable full-stack solutions, combining backend development in .NET with modern frontend technologies and Azure cloud services. You will work in an Agile environment, collaborating with global teams and using modern software engineering practices such as CI/CD, automated testing, and cloud-native architectures. Key Responsibilities Develop full-stack applications using .NET technologies and React Apply object-oriented and functional programming approaches to real-world software challenges Build and maintain solutions deployed in the Azure cloud environment Implement and maintain web services and APIs (REST/SOAP) Ensure high-quality, clean, and maintainable code following established design patterns and best practices Contribute to unit testing, code reviews, and testing strategies Work in an Agile delivery model with Continuous Integration and Continuous Delivery (CI/CD) pipelines Collaborate with international teams to deliver scalable and reliable solutions Required Skills & Experience 4+ years of commercial experience with .NET technologies (C#, .NET / .NET Core, Entity Framework or other ORM, WCF) 3+ years of experience with React (Angular experience with recent React exposure is also acceptable) 2+ years of experience with Azure services, such as: Azure Functions Logic Apps Web Apps Azure SQL / SQL Server Experience designing and working with web services and APIs (REST/SOAP) Solid understanding of software architecture and design patterns Knowledge of Clean Code principles and Unit Testing Good knowledge of SQL Experience with Git, CI/CD pipelines, and automated deployment Fluent English (spoken and written) Nice to Have Microsoft Azure certifications Experience working in large international development teams Experience with modern cloud-native architectures What We Offer Private medical care (Medicover) Sports card (Multisport or equivalent) Life insurance Flexible benefits platform Training and certification opportunities International project environment Work with modern Azure cloud technologies Long-term, stable cooperation If you are passionate about building modern cloud applications with .NET, React, and Azure, and enjoy working in international Agile teams, we would love to hear from you.

🏢 Summary: Junior .NET Developer role focused on supporting the design, development, and maintenance of web and cloud-based applications using .NET, Angular, and AWS technologies. The position involves working with MS SQL databases, contributing to CI/CD pipelines, writing automated tests, and ensuring scalable and stable solutions under guidance. The role emphasizes collaboration, code quality, and adherence to best practices within a cloud-oriented environment. 🗂️ Requirements: Knowledge of .NET Framework, Knowledge of ASP.NET, Knowledge of asynchronous programming, Basic knowledge of RESTful API design, Basic knowledge of AI-powered coding tools, Familiarity with cloud solutions, Familiarity with MS SQL, Understanding of design patterns, Understanding of good programming practices, Basic knowledge of unit testing, Ability to design scalable and stable solutions, Ability to propose and compare technical solutions, English B2 level, Polish B2 level, Familiarity with Git, Understanding of SDLC methodologies 📃 Skills: .NET, ASP.NET, Angular, AWS, MS SQL, REST, Git, CI/CD, UnitTesting, SDLC, AsynchronousProgramming, GitHubCopilot 🏢 Description: Job Description: We are looking for a Junior .NET Developer to join our technology team. As a team member, you will assist in designing, developing, and maintaining applications using dotnet, angular and cloud technologies. The applications we create include Windows services, web applications, and components deployed using native AWS solutions. Responsibilities: Assist in designing, developing and maintaining applications Learn and work with cloud solutions. Write and maintain automated tests under guidance. Contribute to designing and implementing solutions with an emphasis on scalability and stability. Propose technical solutions for presented problems with support from team members. Work with MS SQL databases. Collaborate with other team members and share knowledge. Perform code reviews. Developing CI/CD pipelines. Maintain high code quality following best practices and design patterns. Work closely with Project Managers and other staff members to collect requirements, estimate work, and ensure that projects are delivered according to schedule. Requirements: Knowledge of .net framework and asp.net . Knowledge of asynchronous programming. Basic knowledge of API design principles (RESTful). Basic knowledge of AI-powered coding assistance like GitHub Copilot. Familiarity with cloud solutions. Familiarity with MS SQL databases. Understanding of basic design patterns and good programming practices. Basic knowledge of unit testing. Ability to design scalable and stable solutions with guidance. Ability to propose technical solutions with the comparison of advantages/disadvantages under supervision. English and Polish proficiency at B2 level. Ability to work in a team, good communication skills, and the ability to share knowledge. Familiarity with Git. Understanding of software development lifecycle (SDLC) methodologies. Nice to Have: Experience with AWS Cloud Services. Familiarity with monitoring and logging tools in AWS. Experience with GitHub. Experience with front-end technologies (Angular, AngularJS) is a plus. Understanding of containerization concept. Familiarity with building CI/CD pipelines. We Offer: Full remote position Employment Contract. Stable working environment with a focus on long-term cooperation. Optional English or Spanish lessons. Private medical care (Luxmed). Life insurance (Allianz). Multisport membership. Birthday leave Voluntary days

🏢 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: 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. Join us as Senior .NET Developer Grow in an environment that cares about your development as much as you do. 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: Remote Senior .NET Developer role focused on modernizing legacy .NET applications into scalable, cloud-native microservices on AWS. The position involves migrating from .NET Framework (Windows) to .NET Core (Linux), optimizing performance, and integrating with AWS and PostgreSQL environments using AI-driven modernization tools. Work aligns with AWS Well-Architected Framework principles in a collaborative, cloud-focused environment. 🗂️ Requirements: 3+ years experience in .NET software engineering, Expertise in C# and .NET Core, Advanced knowledge of .NET Framework, Advanced experience with AWS native development, Experience with microservices architecture, Experience migrating .NET Framework (Windows) to .NET Core (Linux), Proficiency in SQL Server and PostgreSQL, Experience with Amazon Aurora PostgreSQL, Experience migrating stored procedures from T-SQL to PL/pgSQL, Experience with unit testing and performance testing, English level B2+, Availability overlapping with US EST time zone 📃 Skills: C#, .NET, .NETCore, .NETFramework, AWS, Microservices, SQLServer, PostgreSQL, Aurora, T-SQL, PLpgSQL, Linux, Windows, UnitTesting, PerformanceTesting 🏢 Description: We are looking for a Senior .NET Developer with AWS experience to join our dynamic and collaborative team. This engagement focuses on transforming legacy applications into scalable, cloud-native solutions — migrating selected microservices to the latest .NET Core , modernizing from Windows to Linux, optimizing performance, and ensuring seamless integration with AWS services. The work is delivered as an AI-agentic modernization engagement leveraging Kiro and Amazon Transform , aligned with AWS cloud-native best practices and the AWS Well-Architected Framework. It is a remote position for Poland. Responsibilities Use Kiro and Amazon Transform to accelerate code analysis, refactoring, and migration tasks; validate and optimize tool‑generated outputs Design and develop high‑performance, scalable applications using .NET Core with a microservices architecture Migrate and refactor legacy .NET Framework (Windows) applications to .NET Core (Linux), ensuring functional parity and improved performance Modify and optimize application code and stored procedures to ensure compatibility with PostgreSQL/Aurora PostgreSQL, following AWS development standards Implement unit tests and performance tests to ensure application stability, responsiveness, and production readiness Partner with database engineers to ensure seamless integration between application code and PostgreSQL; work closely with AWS ProServe consultants on validation and optimization Apply AWS Well‑Architected Framework principles across security, reliability, performance efficiency, and operational excellence Capture key findings, migration strategies, code conversion patterns, and technical validation results for long‑term maintainability and knowledge transfer Requirements 3+ years of experience in software engineering with a focus on .NET technologies Expertise in C#/.NET Core and advanced proficiency in .NET Framework Background in AWS native development at an advanced level Skills in microservices architecture and modernizing .NET Legacy (Windows) applications to .NET Core (Linux) Proficiency in SQL Server, PostgreSQL and Amazon Aurora PostgreSQL Competency in stored procedure migration (T-SQL → PL/pgSQL) Qualifications in unit and performance testing Excellent English communication skills (B2+ level) with availability to overlap with the US EST time zone Nice to have Familiarity with Kiro and Amazon Transform Knowledge of AWS DMS/SCT Understanding of Docker and containerization on AWS Experience with Amazon ECS/EKS Capability to build CI/CD pipelines using GitHub Actions and CodePipeline We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Mid-Level Fullstack .NET Developer role focused on building and maintaining scalable web applications within a microservices architecture. The position involves developing robust REST APIs, implementing automated testing, and contributing to CI/CD processes in a hybrid work model. You will work with modern .NET and Angular technologies to deliver high-quality, enterprise-grade systems. 🗂️ Requirements: Minimum 3 years of full stack development experience, Strong knowledge of C# and .NET Core, Practical experience with Angular, Experience with REST API development, Experience with microservice architecture, Experience with automated testing (unit, E2E), Knowledge of SOLID principles and design patterns, Experience with Docker and Kubernetes, Experience with MSSQL and PostgreSQL, Experience with CI/CD pipelines and related tools, Familiarity with JIRA, TeamCity, Jenkins, git, Communicative Polish, Legal right to work in the EU 📃 Skills: C#, .NET, Angular, REST, Microservices, Docker, Kubernetes, MSSQL, PostgreSQL, Git, Jenkins, TeamCity, JIRA, CI/CD, SOLID 🏢 Description: Ignite the Future of Digital Innovation — Shape Powerful, Scalable Systems with Cutting-Edge Technologies! Warszawa-based opportunity with hybrid work model (up to 4 days remote per week). As a Mid-Level Fullstack .NET Developer , you will be working for our client, a forward-thinking leader in the software industry dedicated to delivering innovative solutions. Your expertise will contribute to designing and implementing robust, microservice-based systems, empowering businesses to thrive in a digital landscape. Join us and be part of a dynamic environment where your skills fuel impactful projects and career growth. Your main responsibilities: Develop and maintain scalable web applications using .NET Core, C#, and Angular. Write automated unit and E2E tests to ensure high-quality deliverables. Apply SOLID principles, design patterns, IoC, and DI to create maintainable code. Design and implement REST APIs within microservice architecture. Collaborate with cross-functional teams utilizing JIRA, TeamCity, Jenkins, and version control systems like git/bitbucket. Support and optimize database interactions with MSSQL and PostgreSQL. Participate in continuous integration and delivery processes (SSDLC, CI/CD tools). You're ideal for this role if you have: Minimum of 3 years of professional experience in full stack development. Practical knowledge of C#, .NET Core, Angular. Experience with Docker and Kubernetes. Experience with automated testing, SOLID, design patterns, and REST API development. Familiarity with MS SQL, PostgreSQL, and microservice architecture. Knowledge of SSDLC, CI/CD pipelines, and tools such as JIRA, TeamCity, Jenkins, and git. It is a strong plus if you have: (optional) Certifications in cloud technologies or microservice architectures. Language Required for the role: Polish (Communicative level) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV in English or Polish, along with a statement confirming your consent to the processing and storage of your personal data.