Senior Software Developer (.Net)

🏢 Summary: Senior Software Developer role focused on designing and building advanced configuration solutions for the manufacturing industry, including AI-powered product discovery and conversational features. The position involves full lifecycle development of scalable enterprise software products with strong emphasis on quality, testing, and performance. This is a long-term B2B contract with remote work and occasional on-site visits. 🗂️ Requirements: Master’s degree in Computer Science, Software Engineering or similar, 8+ years of software engineering experience, Strong expertise in C#, Strong expertise in .NET, Experience with React, Experience with JavaScript, Experience building scalable backend systems, Experience with performance optimization or large data sets, Strong focus on code quality, testing, and reliability, Ability to work independently and take full ownership 📃 Skills: C#, .NET, React, JavaScript, Azure, SAP, AI, ERP, CPQ 🏢 Description: Client : Danish configuration solutions for the manufacturing industry Contract : B2B Work model: Remote with occasional trips to the client's premises Contract Length : 3-year contract with possibility of extensions Start: mid August/September Workload : full-time Remuneration: 150-170 PLN/h net + VAT Summary: The Senior Software Developer role in the team is crucial for designing and developing sophisticated configuration solutions aimed at enhancing customer value through innovative software features. Main Responsibilities: Be part of designing, implementing and maintaining our standard products Understand how products are used and applied to create value for customers Development of new customer features Design and implement unit test and integration test of own code modules Design and implement AI-powered product discovery and conversational solutions leveraging agentic AI technology Participate in the development and maintenance of the teams’ continuous integration Code reviews and retrospective learning processes Maintenance, troubleshooting, and continuous improvement of existing software Participate in the creation and evolution of development processes and coding standards Key Requirements: A Master’s degree in Computer Science, Software Engineering or similar. 8+ years of software engineering experience Strong expertise in C# and .NET Experience with front-end development for enterprise software (React and JavaScript). Experience with performance optimization or large data sets Solid experience building scalable backend systems Strong focus on code quality, testing, and reliability Ability to drive work independently and take full ownership Nice to Have: Experience with Azure or other cloud platforms. Experience on SAP integration projects. Background in enterprise software (ERP, CPQ, or similar domains). Experience integrating agentic AI into enterprise software solutions.

🏢 Summary: Senior Software Developer role for a long-term B2B contract focused on developing and maintaining enterprise configuration solutions for the manufacturing industry. The position involves backend and frontend development, SAP integrations, AI-powered product discovery solutions, and scalable system design in a remote work model with occasional client visits. The project includes continuous integration, testing, performance optimization, and ownership of software quality and development processes. 🗂️ Requirements: Master’s degree in Computer Science, Software Engineering or similar, 8+ years of software engineering experience, Strong expertise in C#, Strong expertise in .NET, Experience with SAP integration projects, Background in enterprise software, Experience integrating agentic AI into enterprise software solutions, Experience with React, Experience with JavaScript, Experience with performance optimization or large data sets, Experience building scalable backend systems, Strong focus on code quality, testing, and reliability, Ability to work independently and take ownership 📃 Skills: C#, .NET, SAP, ERP, CPQ, React, JavaScript, AI, Azure 🏢 Description: Client : Danish configuration solutions for the manufacturing industry Contract : B2B Work model: Remote with occasional trips to the client's premises Contract Length : 3-year contract + extensions Start: mid August/September Workload : full-time Remuneration: 150-175 PLN/h net + VAT Summary: The Senior Software Developer role in the team is crucial for designing and developing sophisticated configuration solutions aimed at enhancing customer value through innovative software features. Main Responsibilities: Be part of designing, implementing and maintaining our standard products Understand how products are used and applied to create value for customers Development of new customer features Design and implement unit test and integration test of own code modules Design and implement AI-powered product discovery and conversational solutions leveraging agentic AI technology Participate in the development and maintenance of the teams’ continuous integration Code reviews and retrospective learning processes Maintenance, troubleshooting, and continuous improvement of existing software Participate in the creation and evolution of development processes and coding standards Key Requirements: A Master’s degree in Computer Science, Software Engineering or similar. 8+ years of software engineering experience Strong expertise in C# and .NET Experience on SAP integration projects. Background in enterprise software (ERP, CPQ, or similar domains). Experience integrating agentic AI into enterprise software solutions. Experience with front-end development for enterprise software (React and JavaScript). Experience with performance optimization or large data sets Solid experience building scalable backend systems Strong focus on code quality, testing, and reliability Ability to drive work independently and take full ownership Nice to Have: Experience with Azure or other cloud platforms.

🏢 Summary: Senior Software Developer role focused on designing, building, and maintaining cloud-based solutions on Microsoft Azure using a DevOps approach. The position covers end-to-end development from requirements and architecture to implementation, testing, release, and support of applications for Manufacturing & Supply Chain. The role emphasizes scalable, secure cloud architecture and automated CI/CD processes in a global environment. 🗂️ Requirements: 5+ years of professional software development experience, Hands-on experience with .NET Core and .NET Framework, Strong knowledge of C# and Web API, Practical experience with Microsoft Azure services, Experience designing and consuming REST APIs, Experience integrating distributed systems, Knowledge of cloud architecture patterns, scalability, security, high availability, Experience with CI/CD pipelines and DevOps practices, Experience with Azure DevOps and Visual Studio, Ability to design end-to-end solutions 📃 Skills: C#, .NET, .NETCore, WebAPI, Azure, AzureStorage, AzureFunctions, AppService, EventHub, NotificationHub, REST, CI/CD, DevOps, AzureDevOps, VisualStudio 🏢 Description: We are looking for a Senior Software Developer who combines strong business understanding with hands-on software development to build and maintain high‑quality cloud solutions using a DevOps approach. In this role, you will design, implement, test, support, and document applications running on Microsoft Azure, collaborating closely with cross‑functional teams to contribute to solution architecture and development processes. You will work end‑to‑end - from requirements and design through implementation and testing - ensuring to deliver reliable solutions that effectively support Manufacturing & Supply Chain professionals in a multi‑site, cross‑cultural environment. Working with us, you will receive: Full-time work agreement in an international organization Learning and development opportunities adapted to your needs and supporting your growth Hybrid work model, combining remote work opportunities with work in an office in the Szczecin City Center Flexible working hours Benefits package including social benefits (private medical health care, insurance, sport card, etc.) Scandinavian culture – informal, focused on equality, independence, open dialog, and work-life balance What tasks are waiting for you? Design, implement and test solutions in line with agreed requirements and standards. Translate business needs into functional solutions and contribute to solution design. Conduct code reviews, follow development processes, execute tests, and report results. Facilitate effective communication with users and stakeholders to gather requirements, provide updates, and ensure alignment. Ensure constant care for architecture, code base, tests, and documentation throughout the lifecycle. Participate in planning and estimating cost/effort for design requirements. Collaborate closely with developers, solution architects and Manufacturing & Supply Chain stakeholders Provide support for existing cloud applications, including troubleshooting and improving stability. Coordinate and solve complex design problems, balancing business needs and technical feasibility. Automate delivery of software artifacts using CI/CD pipelines and DevOps practices. Manage release processes, including planning, coordination, and execution. Support go‑live activities and hyper care to ensure smooth transitions into operations. Contribute to proactive system monitoring and issue prevention. Apply today if you have: 5+ years of professional software development experience, including cloud‑based solutions (Microsoft Azure) Strong hands‑on experience with the .NET Core / .NET framework and other technologies: C#, Web API, and Microsoft Azure. Experience with Microsoft Azure (i.e. Storage, Azure Functions, App Service, Event Hub, Notification Hub). Experience designing and consuming REST APIs and integrating distributed systems Broad knowledge about Microsoft technologies/products like Visual Studio, Azure DevOps. Solid understanding of cloud architecture patterns, scalability, security, and high availability Strong communication skills in English (spoken and written) Strong analytical, communication, and stakeholder management skills. Ability to work independently and collaboratively in a global environment. ability to design end‑to‑end solutions, not just implement tasks It would be nice if you have: Experience working closely with Manufacturing, Supply Chain or enterprise business stakeholders Experience working in regulated or operationally critical environments People leading experience Knowledge of IT service management processes (incident, change, release). We are waiting to hear from you! Furthermore we would like to inform you that the company has an internal reporting procedure, which is available at: https://demant.codeofconduct.app/ If the page does not load correctly, please refresh it using the Ctrl+F5 key combination. In accordance with applicable regulations on pay transparency, information regarding compensation may be provided at different stages of the recruitment process. In our organization, details related to remuneration are shared at the stage preceding the commencement of employment. The final level of compensation is determined individually and depends on the candidate’s experience, competencies, and the scope of responsibility associated with the position.

🏢 Summary: Freelance Senior Fullstack Developer role focused on designing and developing new features and modules for an ERP system on Microsoft Azure. The position involves backend-heavy development with C# and .NET, frontend work with Vue, and cloud-based architecture and deployment. Contract runs through the end of 2026 with possible extension. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science or related field, Proven backend-focused experience as Software Engineer, Strong experience with C# and .NET, Experience with Vue2 or Vue3, Good knowledge of HTML5 and CSS, Experience with nHibernate and REST APIs, Hands-on experience with Microsoft Azure services, Experience with Azure Compute and Azure Data services, Experience with Azure Logic Apps and Azure Service Bus, Knowledge of Azure AI, Experience with Docker and containers, Strong SQL expertise including database design and optimization, Experience with MSSQL or PostgreSQL, Experience with Git version control, Experience with Azure DevOps and CI/CD pipelines, Understanding of software design patterns and best practices, Experience working in Agile/Scrum environment 📃 Skills: C#, .NET, Vue2, Vue3, HTML5, CSS, nHibernate, REST, Azure, AzureCompute, AzureData, LogicApps, ServiceBus, AzureAI, Docker, Containers, SQL, MSSQL, PostgreSQL, Git, AzureDevOps, CICD 🏢 Description: We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ERP system. Form of cooperation: freelance project-specific B2B contract with an estimated duration through the end of 2026 , offering the potential for extension based on project needs and performance. Requirements: Bachelor’s or master’s degree in computer science, Software Engineering, or a related field Proven experience as a Software Engineer with a significant focus on backend development Good experience with C#, .NET and Vue2/Vue3 Good knowledge on HTML5 / CSS, nHibernate and REST APIs Cloud experience on Azure (cloud functions, messaging, storage) Docker / containers Expertise in SQL, including database design, query optimization, performance tuning, and working with relational database management systems (e.g., MSSQL and PostgreSQL) Familiarity with agile development methodologies and working in a scrum team Strong proficiency in Microsoft Azure services, including but not limited to: Azure Compute services and Azure Data services. Integration services (e.g., Azure Logic Apps, Azure Service Bus) Knowledge of Azure AI Solid understanding of software development principles, design patterns, and best practices Experience with version control systems (e.g., Git) Excellent problem-solving and analytical skills Strong communication and collaboration skills, with the ability to effectively communicate technical concepts to both technical and non-technical stakeholders Fluency in English, both written and spoken. Main responsibilities: Design, develop, and deploy robust and scalable applications and services on Microsoft Azure Collaborate with product owners, designers, and other engineers to understand requirements and translate them into technical solutions Participate in architectural discussions and contribute to the evolution of our system design on Azure Ensure the performance, reliability, and security of our applications and infrastructure Troubleshoot and resolve complex technical issues Write clean, well-documented, and testable code Contribute to and utilize Azure DevOps for CI/CD pipelines and infrastructure as code Stay up to date with the latest trends and technologies in Azure and related areas

🏢 Summary: Senior Full Stack Developer role focused on building and enhancing high-performance applications using C# and Angular within an agile Scrum team. The position involves backend development, scalable architecture design, cloud-based solutions, and active participation in a transformation program leveraging modern design patterns and Azure. The role combines hands-on coding with mentoring and technical leadership responsibilities. 🗂️ Requirements: 5+ years experience with Microsoft development stack, Strong experience with .NET and C#, Experience with ASP.NET, Experience with SQL Server and T-SQL, Experience with Angular, Experience with HTML, CSS, JavaScript, Experience with Git, Knowledge of .NET Core, Understanding of SOLID principles, Experience with Microservices architecture, Experience working in Scrum methodology, English proficiency (written and spoken) 📃 Skills: C#, .NET, ASP.NET, SQL, T-SQL, Angular, HTML, CSS, JavaScript, Git, Azure, .NETCore, Microservices, SOLID, Jira, Scrum 🏢 Description: #5289 The Customer: Our Client provides comprehensive operational support and a range of expert services to the world’s leading insurers, brokers, fleet managers and automotive manufacturers. Our 3,300 employees across ten countries deliver exceptional standards on a large scale for over 1,200 clients. We help the global insurance market to handle millions of claims each year in the most cost-effective and efficient ways possible. The Client is embarking on an exciting and challenging transformation program, and our software solutions are a driving force behind this strategy, using cloud computing and leading-edge design patterns. The Role: This is a great opportunity for an experienced Senior Full Stack Developer to join our super-motivated Software Development team, being part of one of our existing scrum teams. Each agile team includes technical leadership, development, architecture, quality, product and project management roles. We are looking for a Senior Full Stack Developer comfortable with C# and Angular, with a proven history of building high-performance apps. Key Responsibilities: Provide knowledge/helping/mentoring to other developers – team philosophy is important for us! Work on business requests and development improvements – proactivity is appreciated! Develop, test, document, and maintain our application back end. Build scalable and reusable code. Provide realistic estimates for requests, fixes, and new ideas. Create unit tests. Write clear and precise technical documentation. Manage realistic work deadlines. Participate in all the Scrum ceremonies and be part of the team performance and continuous improvement. Knowledge and Experience: 5+ years of experience of Microsoft development stack including; .NET C#, SQL Server T-SQL. Important: ASP.NET, SQL Server, HTML, CSS, JavaScript, Angular, Git, excellent verbal and written communication skills in English. Azure, .NET core, SOLID principles, Microservices architecture, Design principles, Angular, Jira. Ideally, you will have experience working with Scrum methodology in a variety of contexts; different team sizes, organizational cultures, distributed development, etc. A track record of previous experience, including training, conferences, user groups, and self-study, is desirable. Personal Attributes: Self-organising problem solver. Able to think outside the box (open thinking). Strong ability to work effectively in a team. Collaborating, motivating and energizing others (Team player). Encourage and drive others to deliver high-quality, cutting-edge software. You will have attention to detail and have a proactive ethos. Always looking for continuous improvement. Excellent verbal and written communication skills, in English.

🏢 Summary: Senior Full Stack Developer role focused on building and maintaining high-performance applications using C# and Angular within an agile Scrum team. The position involves developing scalable backend solutions, contributing to cloud-based transformation initiatives, and applying modern design principles and microservices architecture. The role includes full lifecycle development, testing, documentation, and active participation in Scrum ceremonies. 🗂️ Requirements: 5+ years of experience with Microsoft development stack, .NET and C# experience, Strong knowledge of SQL Server and T-SQL, Experience with ASP.NET, Experience with Angular, Experience with HTML, CSS and JavaScript, Experience with Git, Knowledge of SOLID principles, Experience with Microservices architecture, Experience with Azure and .NET Core, Experience working in Scrum methodology, Fluent English communication skills 📃 Skills: C#, .NET, ASP.NET, SQL, T-SQL, Angular, JavaScript, HTML, CSS, Git, Azure, .NETCore, Microservices, SOLID, Jira 🏢 Description: The Customer: Our Client provides comprehensive operational support and a range of expert services to the world’s leading insurers, brokers, fleet managers and automotive manufacturers. Our 3,300 employees across ten countries deliver exceptional standards on a large scale for over 1,200 clients. We help the global insurance market to handle millions of claims each year in the most cost-effective and efficient ways possible.The Client is embarking on an exciting and challenging transformation program and our software solutions are a driving force behind this strategy using cloud computing and leading-edge design patterns. The Role: This is a great opportunity for an experienced Senior Full Stack Developer to join our super-motivated Software Development team, being part of one of our existing scrum teams. Each agile team includes technical leadership, development, architecture, quality, product and project management roles. We are looking for a Senior Full Stack Developer comfortable with C# and Angular, with a proven history of building high-performance apps. Key Responsibilities: Work on business requests and development improvements Develop, test, document and maintain our application back end build scalable and reusable code Provide realistic estimates for requests, fixes and new ideas Create unit tests Write clear and precise technical documentation Manage realistic work deadlines Participate in all the scrum ceremonies and be part of the team performance and continuous improvement Requirements: 5+ years of experience of Microsoft development stack including; .NET C#, SQL Server T-SQL. Important: ASP.NET, SQL Server, HTML, CSS, Javascript, Angular, Git, excellent verbal and written communication skills in English. Azure, .NET core, SOLID principles, Microservices architecture, Design principles, Angular, Jira. Ideally, you will have experience working with Scrum methodology in a variety of contexts A track record of previous experience, including training, conferences, user groups, and self-study, is desirable. Excellent verbal and written communication skills, in English.

🏢 Summary: Senior Software Engineer role focused on developing and maintaining internal forecasting and demand management products for offshore wind operations using Angular and .NET. The position involves close collaboration with cross-functional teams, delivering high-quality increments, and improving product functionality and user experience. The role requires active participation in Agile processes and code quality assurance. 🗂️ Requirements: 7–10 years experience with Angular and .NET development, Strong proficiency in .NET Core and C#, Experience with Microsoft and Azure deployment pipelines, Experience working in Agile/Scrum environments, Ability to conduct code reviews and maintain clean code standards, Understanding of user-centered design principles 📃 Skills: Angular, .NET, .NETCore, C#, Azure, Microsoft, Scrum, Agile, UX, CI/CD 🏢 Description: Introduction & Summary: We are seeking a Senior Software Engineer with extensive experience in Angular and .NET technologies. The ideal candidate will play a key role in developing and maintaining internal products utilized for forecasting and managing demands in offshore wind operations. In this role, you will work collaboratively within a team, contributing to product improvements and ensuring user satisfaction. Main Responsibilities: As a Senior Software Engineer, your core responsibilities will include: Delivering quality increments through collaboration with the development team and stakeholders. Understanding and connecting business needs with user requirements and frontend implementations. Actively participating in Scrum ceremonies and backlog refinements. Conducting code reviews to ensure high coding standards and provide constructive feedback. Identifying and advocating for improvements in the codebase and product functionality. Collaborating with UX designers to refine user experience based on usability testing. Key Requirements: 7-10 years of experience in design and development using Angular and .NET technologies. Proficient in managing deployments via Microsoft and Azure pipelines. Strong understanding of user-centered design principles. Experience in Agile/Scrum environments, with a comprehensive understanding of the development lifecycle. Creativity and drive for product improvement. Proficient in .NET Core, C#, and clean code principles. Nice to Have: Experience in Agile/Scrum environments. Familiarity with UX design principles. Experience in usability testing. Start: July 2026 Duration: Jun 2027 Location: Greater Copenhagen Area Onsite/remote: min. 3 days onsite per week

🏢 Summary: Senior .NET Developer role focused on building and maintaining extended functionalities within a distributed, cloud-based system. The position involves working with modern .NET technologies, Angular, cloud platforms, and microservices architecture in an Agile/Scrum environment. The role requires close collaboration with stakeholders while applying clean code and best development practices. 🗂️ Requirements: Bachelor’s degree or Microsoft .NET certification, Strong experience with .NET and C#, Experience with ASP.NET Core and Web API, Experience with Angular (2+), Experience with Azure or AWS, Experience with microservices and distributed systems, Experience with PostgreSQL and SQL Server, Experience with database migrations, Experience with GitHub, Knowledge of SOLID and DRY principles, Fluent English (written and spoken) 📃 Skills: .NET, C#, ASP.NET, Angular, Azure, AWS, Microservices, Kafka, PostgreSQL, SQL, GitHub, WebAPI 🏢 Description: We are looking for a Senior .Net Developer . Responsibility: Develop and maintain extended functionalities Collaborate closely with internal and external consultants, as well as key business stakeholders Work with technologies including Angular (2+), Azure/AWS Cloud, and the .NET stack (.NET 8/9, ASP.NET Core, C#, Web API), along with microservices and distributed systems, Kafka (or similar messaging tools), and databases such as PostgreSQL and SQL Server Actively participate in daily stand-ups, sprint reviews, and planning sessions with Danish colleagues, contributing to continuous improvement of the Scrum process To succeed in this role, you: Hold a relevant bachelor’s degree or a Microsoft certification related to .NET Apply clean code principles and best practices such as SOLID and DRY, with a strong object-oriented mindset Have proven experience in Microsoft .NET (C#), GitHub, PostgreSQL, and database migrations Communicate fluently in English, both written and spoken

🏢 Summary: Senior Full-Stack Developer role focused on leading the development of a new application within a Scrum team. The position involves technical ownership of key components, translating complex user stories into scalable solutions, and ensuring high-quality, secure, and maintainable code. The role also includes mentoring developers, implementing DevSecOps practices, and managing Azure cloud deployments. 🗂️ Requirements: 6+ years web software development experience, 4+ years SQL Server experience, Experience translating user stories into technical solutions, Experience with database schema design and query optimization, Experience implementing DevSecOps practices, Proficiency in Agile/Scrum methodologies, Experience with CI/CD pipelines, Ability to design scalable architectures, Experience conducting code reviews, Experience writing unit tests, Experience deploying and managing Azure services 📃 Skills: SQL, SQLServer, Azure, AzureAppServices, AzureKeyVault, CI/CD, DevSecOps, SonarQube, Snyk, Agile, Scrum, UnitTesting, Git, Cloud, DevOps 🏢 Description: Job Description: The candidate will work as a senior member in a team of full-stack developers to lead the development of a new application. Development will follow Scrum methodologies, under the leadership of a Business Application Owner, while mentoring junior team members and collaborating closely with the Development Lead. The role involves taking technical ownership of critical components and ensuring high-quality deliverables. Assignment, Context, Job Main Challenges & Key Expectations: Candidates are expected to quickly gain in-depth knowledge of the application, translate complex functional user stories into detailed technical tasks, and provide expert technical guidance to the team. The Senior Developer will also play a crucial role in supporting the design of scalable architectures and advocating for best coding practices. Job Scope: Develop, guide, and mentor team members. Responsibilities include: Analyzing user stories and converting them into technical tasks. Designing and developing robust and efficient software solutions. Performing code reviews. Optimizing database schema and queries. Documenting technical designs. Implementing unit tests and ensuring all deliverables meet quality standards. Troubleshooting production issues and identifying opportunities to enhance system performance. Main Responsibilities: Actively participate in all Agile ceremonies – daily standup, sprint planning, review, demo, and refinement. Collaborate with Product Owners, development leads, and other stakeholders to refine user stories and provide technical insights. Estimate user stories and guide junior developers during refinement and sprint planning. Translate user stories into high-quality technical designs and tasks. Implement user stories with clean, maintainable, and scalable code while mentoring team members. Apply DevSecOps practices within the CI/CD pipeline, including the use of SonarQube and Snyk for automated security scanning. Design and write comprehensive unit test cases to ensure code quality and reliability. Conduct thorough code reviews, providing feedback to ensure adherence to coding standards and best practices. Deploy and manage Azure cloud services including Azure App Services and Azure Key Vault. Support and troubleshoot production issues during hyper-care and beyond. Key Requirements: 6+ years of experience in web software development, with proven ability to translate complex user stories into robust technical solutions. 4+ years of experience in SQL Server, including schema design, advanced querying, and performance optimization. Experience in implementing DevSecOps practices. Proficiency in Agile methodologies and collaboration. Strong mentoring and leadership abilities. Nice to Have: Familiarity with AI-assisted development tools (e.g., GitHub Copilot, Claude). Experience with Azure App Services and cloud performance monitoring. Knowledge of secure coding standards and practices. Other Details: This position allows for remote work flexibility, with a focus on collaboration across various development teams. The assignment is long-term, emphasizing innovative software solutions in a high-paced environment.

🏢 Summary: Senior .Net API Developer responsible for designing and leading the development of secure, scalable REST APIs within a Nordic commercial integration layer in the Auto and Consumer Finance domain. The role focuses on backend API development, architectural collaboration, and improving performance and reliability in a large international project. Offered as a remote B2B contract. 🗂️ Requirements: Senior-level backend development experience, .NET / .NET Core experience, Experience designing and developing REST APIs, Knowledge of OAuth, Experience with Azure, Experience with Azure DevOps, Strong architectural and design skills, Ability to lead API/application development initiatives, Experience translating business requirements into technical solutions 📃 Skills: .NET, .NET Core, REST, OAuth, Azure, Azure DevOps, C#, SQL, NoSQL, PowerShell, AKS, SOLID, Application Insights, Azure API Management 🏢 Description: Summary: The Senior .Net API Developer role focuses on developing and maintaining the Nordic commercial integration layer, enhancing secure and scalable integrations within the Auto and Consumer Finance space. The primary goal is to lead initiatives in backend API development while maintaining high standards of quality and technical stability. What we offer: Remote Role B2B Contract Big International project Rate: 160-180 zł/day +VAT Responsibilities: Design and implement new external partner REST APIs Lead backend development initiatives from idea to production Translate complex business requirements into scalable technical solutions Contribute to architectural decisions in collaboration with the Architect Maintain and enhance existing integration services Improve performance, scalability, and reliability Produce and maintain technical documentation Ensure adherence to architectural guidelines and security standards Participate in agile ceremonies and technical discussions Key Requirements: Senior-level backend development experience Proven ability to lead development of new applications and APIs Strong architectural understanding and design capabilities Experience with .NET / .NET Core Hands-on knowledge of RESTful services and OAuth Technical expertise in Azure and Azure DevOps Nice to Have: Experience with Application Insights Knowledge of PowerShell Familiarity with Azure API Management Understanding of SQL/NoSQL databases Experience with AKS and SOLID principles