Backend Developer (.NET)

🏢 Summary: Backend Developer (.NET) role focused on building and migrating a large-scale travel booking platform from monolithic to microservices architecture. The position involves developing scalable backend services, integrating multiple external APIs, and ensuring reliable data synchronization and high-performance booking processes. Work includes close collaboration within Agile teams and contribution to CI/CD practices. 🗂️ Requirements: 3+ years experience with .NET including .NET Core and .NET Framework 4.8 (Web API), Strong knowledge of microservices architecture, Experience with Clean Architecture and MediatR, Solid experience with SQL Server, Solid experience with MongoDB, Experience with Azure Service Bus or NServiceBus, Experience with CI/CD pipelines (preferably Azure DevOps), Ability to work independently and solve complex technical problems, English level Intermediate+ or higher 📃 Skills: .NET, C#, WebAPI, NETCore, SQLServer, MongoDB, Microservices, CleanArchitecture, MediatR, AzureServiceBus, NServiceBus, AzureDevOps, CICD, GitHub, Jira, Confluence 🏢 Description: Andersen is hiring a Backend Developer (.NET) for a project developing a travel platform, ensuring API integrations, data synchronization, and reliable, scalable booking processes. The customer is a technology-driven company in the travel sector, providing a comprehensive booking and procurement platform for industry professionals. Its solutions support large transaction volumes, integrate with a wide network of partners, and offer tools that streamline operations and enhance productivity. Focused on innovation and scalability, the customer continues to expand its ecosystem, strengthen partnerships, and improve data accuracy to deliver a modern digital infrastructure for the travel value chain. The project is focused on developing a travel platform that integrates multiple external APIs into a unified system. It ensures reliable data synchronization and seamless booking processes to support scalable and high-performance partner connectivity. The position assumes 12 to 21 CET work schedule. Responsibilities: Developing and maintaining backend services in .NET 4.8 (Web API) and .NET Core as part of a large-scale migration from monolithic to microservice architecture. Collaborating with cross-functional teams to design and implement scalable, maintainable, and performant services using Clean Architecture and MediatR. Integrating with SQL Server and MongoDB as data backends. Working with Azure Service Bus (NServiceBus) and other Azure services such as Azure Functions and ADF (nice to have). Participating in Agile ceremonies (standups, sprint planning, retrospectives) within 2-week sprint cycles. Contributing to CI/CD practices using Azure DevOps (builds and pipelines). Collaborating via Jira, Confluence, GitHub, and Microsoft Teams. Must-haves: Experience with .NET for 3+ years, including strong experience with .NET Core and .NET Framework 4.8 (Web API). Deep understanding of microservice architecture, Clean Architecture patterns, and MediatR. Solid experience with SQL Server and MongoDB. Experience with Azure Service Bus / NServiceBus. Familiarity with CI/CD tools and pipelines (preferably Azure DevOps). Strong problem-solving skills and the ability to work independently. Level of English – from Intermediate+ and above. Nice-to-haves: Experience in frontend development. Experience with Azure Functions, Azure Data Factory (ADF), or other Azure ecosystem tools. Previous experience in the travel industry, particularly with backend services for hotel booking/search. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies); Certification compensation (AWS, PMP, etc). Referral program. English courses. Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us!

🏢 Summary: Full Stack Developer (.NET + Angular) role focused on building and modernizing a scalable travel booking platform with extensive API integrations and data synchronization. The position involves migrating legacy .NET systems to microservices, optimizing booking flows, and ensuring high-performance, reliable distribution of travel products. It includes collaboration on architecture, CI/CD, and cloud deployment within an Azure environment. 🗂️ Requirements: 3+ years of experience with C# and .NET (Framework and .NET Core), Commercial experience with Angular (2+), Strong expertise in SQL Server and T-SQL (complex queries, stored procedures), Experience working with large legacy codebases, Understanding of microservices architecture and monolith decomposition, Experience building and consuming RESTful APIs, Experience with Entity Framework or similar ORM, Working knowledge of Docker and Kubernetes, Experience with Azure Cloud, Experience with CI/CD pipelines, English level Intermediate+ or higher 📃 Skills: C#, .NET, .NETCore, Angular, SQLServer, T-SQL, Microservices, REST, EntityFramework, Docker, Kubernetes, Azure, CI/CD 🏢 Description: Andersen is hiring a Full Stack Developer (.NET + Angular) for a project developing a travel platform with API integrations, data sync, and scalable booking solutions. The customer is a technology-driven company in the travel sector, providing a comprehensive booking and procurement platform for industry professionals. Its solutions support large transaction volumes, integrate with a wide network of partners, and offer tools that streamline operations and enhance productivity. Focused on innovation and scalability, the customer continues to expand its ecosystem, strengthen partnerships, and improve data accuracy to deliver a modern digital infrastructure for the travel value chain. The project is focused on developing a travel platform that integrates multiple external suppliers and aggregator APIs into a unified system. It includes end-to-end API integrations, data synchronization, and optimization of booking flows to ensure scalable, reliable, and high-performance travel product distribution. The position assumes 12 to 21 CET work schedule. Responsibilities: Developing well-tested, integrated software that meets high development standards. Evaluating new functionality requests on a value scale, contributing technical insights to prioritization decisions. Actively participating in team meetings and offer recommendations and ideas on design projects. Mentoring intermediate and junior developers, helping them grow through code reviews and hands-on collaboration. Working with Product Managers and architects to estimate, plan, test, integrate, and deliver complex, scalable software. Creating design documents and documentation to ensure efficient maintenance and knowledge continuity. Communicating effectively with key partners and internal users regarding timelines, technical issues, and infrastructure integration. Exploring and making recommendations based on current trends, techniques, and technologies that could positively impact our platform. Must-haves: Hands-on experience with C# and the .NET ecosystem (both .NET Framework legacy and .NET Core) for 3+ years. Experience with Angular (2+). Strong SQL Server expertise: writing and optimizing complex T‑SQL queries and stored procedures; working with large, intricate legacy database schemas. Proven experience with legacy codebases and a pragmatic approach to modernization. Solid understanding of microservices architecture patterns and decomposition strategies for migrating from monolithic .NET applications. Experience building and consuming RESTful APIs and working with Entity Framework (or similar ORMs). Working knowledge of Docker, Kubernetes, and Azure Cloud (able to navigate and deploy within an Azure environment). Exposure to CI/CD pipelines (ideally Azure Pipelines). Ability to take initiative, communicate clearly, work with ambiguity, and balance speed with quality. Experience writing clear documentation (JIRA, Confluence). Level of English – from Intermediate+ and above. Nice-to-haves: Exposure to legacy .NET Web Forms with HTML/JS. Familiarity with message‑based architectures: NServiceBus or Azure Service Bus. MongoDB experience. Experience with GraphQL. Familiarity with Redis for caching. Experience with Azure Data Factory for data orchestration. Experience using AI tools like GitHub Copilot or Claude (including Claude Code). Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies); Certification compensation (AWS, PMP, etc). Referral program. English courses. Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us!

🏢 Summary: Backend Developer (.NET) role focused on building, maintaining, and optimizing scalable backend services and APIs for global digital projects. The position involves designing microservices-based architectures, working with databases, and deploying containerized applications in Azure environments. The role includes full development lifecycle participation, from architecture and implementation to testing and production support. 🗂️ Requirements: 2+ years of experience with .NET development, Experience with Azure, Experience with Entity Framework, Experience with Docker and containerization, Knowledge of SQL Server and database principles, Understanding of Microservices architecture, Experience with RESTful API development, Experience with Git version control, Intermediate+ English level, Intermediate+ German level 📃 Skills: .NET, Azure, EntityFramework, Docker, SQLServer, Microservices, REST, Git, NoSQL 🏢 Description: Andersen is hiring a Backend Developer (.NET) to build and support scalable backend solutions for global projects across multiple industries, contributing to high-quality digital products in an international environment. Andersen is a pre-IPO software development company that provides a full cycle of services, following project management standards and best practices. For over 19 years, we have been helping enterprises and middle-sized firms transform their businesses by creating effective digital solutions using innovative technologies. Immerse yourself in a global landscape as we collaborate with enterprises spanning North America, Western Europe, Israel, Australia, and the UAE. Our diverse expertise extends across FinTech, Healthcare, Retail, Telecom, Media & Entertainment, Logistics, Travel & Hospitality, eCommerce, and more. Technology stack: .NET, Azure, Entity Framework, Docker, SQL Server, Microservices. Responsibilities: Developing and maintaining backend services using the .NET platform. Designing and implementing RESTful / Web APIs. Participating in backend architecture design and technical decision-making. Working with relational and/or NoSQL databases, including schema design and query optimization. Integrating with external systems and third-party APIs. Ensuring application security, performance, and scalability. Writing clean, maintainable, and testable code. Creating and maintaining unit and integration tests. Participating in code reviews and contributing to code quality improvements. Troubleshooting, debugging, and optimizing existing solutions. Using version control systems (Git) in daily development. Collaborating with frontend developers, QA engineers, and other team members. Participating in Agile/Scrum ceremonies (planning, estimations, retrospectives). Supporting and maintaining applications in production. Must-haves: Experience as a .NET Developer for 2+ years. Experience with Azure. Experience with Entity Framework. Proficiency in building and deploying containerized applications using Docker. Understanding of SQL Server and database principles. Knowledge of Microservices architecture and design. Excellent troubleshooting and communication skills. Ability to work in a fast-paced, team-oriented environment. Level of English – from Intermediate+ and above. Level of German – from Intermediate+ and above. Nice-to-haves: Experience with front-end development (React or Angular). Familiarity with Kafka, Kubernetes, and Jenkins. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. English courses. Compensation for sports activities. Mobility benefits (e.g., Deutschlandticket, JobRad program, public transportation subsidies). Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us!

🏢 Summary: Backend Developer (.NET) role focused on building and supporting scalable backend services for global projects across multiple industries. The position involves designing RESTful APIs, working with microservices architecture, and deploying containerized applications in Azure environments. The role includes backend architecture design, database optimization, and maintaining high-quality, secure, and performant solutions. 🗂️ Requirements: 2+ years of experience with .NET development, Experience with Microsoft Azure, Experience with Entity Framework, Experience building and deploying applications with Docker, Strong knowledge of SQL Server and database principles, Knowledge of Microservices architecture, Experience designing and implementing RESTful APIs, Experience with Git version control 📃 Skills: .NET, Azure, EntityFramework, Docker, SQLServer, Microservices, REST, Git, SQL 🏢 Description: Andersen is hiring a Backend Developer (.NET) to build and support scalable backend solutions for global projects across multiple industries, contributing to high-quality digital products in an international environment. Andersen is a pre-IPO software development company that provides a full cycle of services, following project management standards and best practices. For over 19 years, we have been helping enterprises and middle-sized firms transform their businesses by creating effective digital solutions using innovative technologies. Immerse yourself in a global landscape as we collaborate with enterprises spanning North America, Western Europe, Israel, Australia, and the UAE. Our diverse expertise extends across FinTech, Healthcare, Retail, Telecom, Media & Entertainment, Logistics, Travel & Hospitality, eCommerce, and more. Technology stack: .NET, Azure, Entity Framework, Docker, SQL Server, Microservices. Responsibilities: Developing and maintaining backend services using the .NET platform. Designing and implementing RESTful / Web APIs. Participating in backend architecture design and technical decision-making. Working with relational and/or NoSQL databases, including schema design and query optimization. Integrating with external systems and third-party APIs. Ensuring application security, performance, and scalability. Writing clean, maintainable, and testable code. Creating and maintaining unit and integration tests. Participating in code reviews and contributing to code quality improvements. Troubleshooting, debugging, and optimizing existing solutions. Using version control systems (Git) in daily development. Collaborating with frontend developers, QA engineers, and other team members. Participating in Agile/Scrum ceremonies (planning, estimations, retrospectives). Supporting and maintaining applications in production. Must-haves: Experience as a .NET Developer for 2+ years. Experience with Azure. Experience with Entity Framework. Proficiency in building and deploying containerized applications using Docker. Understanding of SQL Server and database principles. Knowledge of Microservices architecture and design. Excellent troubleshooting and communication skills. Ability to work in a fast-paced, team-oriented environment. Level of English – from Intermediate+ and above. Level of German – from Intermediate+ and above. Nice-to-haves: Experience with front-end development (React or Angular). Familiarity with Kafka, Kubernetes, and Jenkins. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. English courses. Compensation for sports activities. Mobility benefits (e.g., Deutschlandticket, JobRad program, public transportation subsidies). Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us!

🏢 Summary: Backend Developer (.NET) role focused on modernizing a financial services platform by transitioning from legacy systems to a scalable, cloud-oriented microservices and event-driven architecture. The position involves developing data-heavy backend services, improving data quality and migrations, and integrating with NoSQL and event streaming technologies. You will work within an Agile team using Azure DevOps and CI/CD pipelines to deliver secure, high-performance solutions in a regulated environment. 🗂️ Requirements: 4+ years of commercial .NET / C# backend development experience, Strong expertise in C# and .NET Framework / .NET Core / .NET 8, Hands-on experience building microservice architectures, Experience with containerization, Experience with Azure Cosmos DB or other NoSQL databases, Solid understanding of event sourcing, CQRS and event-driven architecture, Experience with Azure Event Hub, Kafka or similar messaging systems, Experience with SQL Server and legacy stored procedures, Advanced SQL Server knowledge including performance tuning, Experience in data-heavy projects (data cleaning, migrations, data quality, data pipelines), Experience with Azure DevOps (boards, repos, pipelines), Proficiency in Git, Experience with CI/CD pipelines, Experience with unit testing, Upper-Intermediate level of English or higher 📃 Skills: C#, .NET, .NETCore, .NET8, SQL, SQLServer, CosmosDB, NoSQL, Kafka, AzureEventHub, Microservices, CQRS, EventSourcing, Docker, AzureDevOps, Git, CI/CD, UnitTesting 🏢 Description: Andersen is hiring a Backend Developer (.NET) in the EU for a project modernizing digital platforms and building scalable microservices-based solutions. The customer is an international financial services company focused on digital banking, payment solutions, and credit products across multiple European markets. The company operates in a technology-driven environment, developing scalable digital platforms, automated services, and modern payment infrastructure while actively investing in fintech innovation, cloud solutions, and data-driven technologies. The project is focused on modernizing an existing platform by transitioning from legacy architectures to a microservices and event-driven ecosystem. It includes developing new functionality in .NET and improving scalability, maintainability, and system flexibility. Responsibilities: Participating in the development of .NET-based microservices within a modern cloud-oriented architecture. Working on data-heavy backend features related to customer data management, data quality, and data synchronization. Contributing to data cleaning and migration activities, including work with SQL Server and legacy stored procedures. Designing and implementing services using event-driven architecture and event sourcing principles. Integrating backend services with NoSQL storage and search/indexing components. Supporting improvements to data anonymization and regulatory data handling processes. Collaborating with data analytics, QA, DevOps/Ops, and other engineering team members. Investigating and resolving service requests, defects, and production-related issues within the team’s scope. Participating in Agile/Scrum ceremonies, including sprint planning, daily standups, refinements, and reviews. Working with Azure DevOps boards, repositories, and pipelines as part of the delivery process. Must-haves: Commercial .NET / C# backend development experience for 4+ years. Strong expertise in C# and .NET Framework / .NET Core / .NET 8. Hands-on experience building microservice architectures. Experience with containerization. Practical experience with Azure Cosmos DB and/or other NoSQL storage. Solid understanding of event sourcing, CQRS and event-driven architecture. Experience with Azure Event Hub / Kafka or similar. Experience with SQL Server and legacy stored procedures for legacy layer work. Advanced SQL Server knowledge, including performance tuning. Experience on data-heavy projects, including data cleaning, migrations, data quality work, and building data pipelines. Comfortable with Azure DevOps as a toolset (boards, repos, pipelines). Proficiency in Git. Experience with CI/CD pipelines. Experience with unit testing. Level of English – from Upper-Intermediate and above. Nice to Have: Experience in FinTech / banking / regulated environments (payments, cards, lending, core banking). Practical knowledge of GDPR data requirements and experience working in regulated environments. Experience with Azure Data Factory. Familiarity with Databricks. Familiarity with Azure AI Search. Experience with Elastic Search suite (Elasticsearch, Kibana, Logstash or similar). Experience with IBM IIB / Enterprise Service Bus or similar integration tools. Experience with Enterprise Scheduler tools (Automic or similar). DevOps awareness: understanding of CI/CD, IaC to comfortably work in a pipeline-driven environment. Background in data quality / MDM / master data management projects. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. Private health insurance and compensation for sports activities. Join us! Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl https://andersenlab.com/privacy-policy

🏢 Summary: Backend Developer (.NET) role focused on modernizing a legacy financial platform into a scalable, cloud-oriented microservices and event-driven architecture. The position involves building data-heavy backend services, handling data migration and quality, and integrating with modern storage and messaging solutions. Work includes full lifecycle development within an Agile environment using Azure-based tooling. 🗂️ Requirements: 4+ years commercial .NET/C# backend development experience, Strong expertise in C# and .NET Framework/.NET Core/.NET 8, Hands-on experience with microservices architecture, Experience with containerization, Practical experience with Azure Cosmos DB or other NoSQL databases, Strong understanding of CQRS, event sourcing, and event-driven architecture, Experience with Azure Event Hub, Kafka, or similar messaging systems, Experience with SQL Server and legacy stored procedures, Advanced SQL Server knowledge and performance tuning, Experience in data-heavy projects (data cleaning, migrations, data quality, data pipelines), Experience with Azure DevOps (boards, repos, pipelines), Proficiency with Git, Experience with CI/CD pipelines, Experience with unit testing, Upper-Intermediate English or higher 📃 Skills: C#, .NET, .NETCore, .NET8, Microservices, Azure, CosmosDB, NoSQL, SQLServer, CQRS, EventSourcing, Kafka, EventHub, Containerization, AzureDevOps, Git, CICD, UnitTesting 🏢 Description: Andersen is hiring a Backend Developer (.NET) in the EU for a project modernizing digital platforms and building scalable microservices-based solutions. The customer is an international financial services company focused on digital banking, payment solutions, and credit products across multiple European markets. The company operates in a technology-driven environment, developing scalable digital platforms, automated services, and modern payment infrastructure while actively investing in fintech innovation, cloud solutions, and data-driven technologies. The project is focused on modernizing an existing platform by transitioning from legacy architectures to a microservices and event-driven ecosystem. It includes developing new functionality in .NET and improving scalability, maintainability, and system flexibility. Responsibilities: Participating in the development of .NET-based microservices within a modern cloud-oriented architecture. Working on data-heavy backend features related to customer data management, data quality, and data synchronization. Contributing to data cleaning and migration activities, including work with SQL Server and legacy stored procedures. Designing and implementing services using event-driven architecture and event sourcing principles. Integrating backend services with NoSQL storage and search/indexing components. Supporting improvements to data anonymization and regulatory data handling processes. Collaborating with data analytics, QA, DevOps/Ops, and other engineering team members. Investigating and resolving service requests, defects, and production-related issues within the team’s scope. Participating in Agile/Scrum ceremonies, including sprint planning, daily standups, refinements, and reviews. Working with Azure DevOps boards, repositories, and pipelines as part of the delivery process. Must-haves: Commercial .NET / C# backend development experience for 4+ years. Strong expertise in C# and .NET Framework / .NET Core / .NET 8. Hands-on experience building microservice architectures. Experience with containerization. Practical experience with Azure Cosmos DB and/or other NoSQL storage. Solid understanding of event sourcing, CQRS and event-driven architecture. Experience with Azure Event Hub / Kafka or similar. Experience with SQL Server and legacy stored procedures for legacy layer work. Advanced SQL Server knowledge, including performance tuning. Experience on data-heavy projects, including data cleaning, migrations, data quality work, and building data pipelines. Comfortable with Azure DevOps as a toolset (boards, repos, pipelines). Proficiency in Git. Experience with CI/CD pipelines. Experience with unit testing. Level of English – from Upper-Intermediate and above. Nice to Have: Experience in FinTech / banking / regulated environments (payments, cards, lending, core banking). Practical knowledge of GDPR data requirements and experience working in regulated environments. Experience with Azure Data Factory. Familiarity with Databricks. Familiarity with Azure AI Search. Experience with Elastic Search suite (Elasticsearch, Kibana, Logstash or similar). Experience with IBM IIB / Enterprise Service Bus or similar integration tools. Experience with Enterprise Scheduler tools (Automic or similar). DevOps awareness: understanding of CI/CD, IaC to comfortably work in a pipeline-driven environment. Background in data quality / MDM / master data management projects. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. Private health insurance and compensation for sports activities. Join us! Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl

🏢 Summary: Backend Developer (.NET) role focused on modernizing core banking systems and payment integrations, including migration from on-premise infrastructure to cloud-based solutions. The position involves building scalable microservices and high-performance backend components within an Agile environment. Strong emphasis on reliability, performance tuning, and CI/CD practices in a fintech domain. 🗂️ Requirements: 4+ years backend development experience, Strong expertise in C#, Strong expertise in .NET Framework or .NET Core, Experience with microservices architecture, Advanced SQL Server knowledge, Experience with performance tuning and stored procedures, Hands-on unit testing experience, Experience with Azure DevOps, Understanding of CI/CD pipelines, Experience in fintech, banking, payments or trading domain, Experience working in Agile/Scrum teams, Upper-Intermediate English or higher 📃 Skills: C#, .NET, SQL, SQLServer, Microservices, Azure, AzureDevOps, CI/CD, Git, UnitTesting, Agile, Scrum 🏢 Description: Andersen is hiring a Backend Developer (.NET) in the EU for a project modernizing banking systems and payment integrations, including migration to cloud-based solutions. The customer is an international financial services company focused on digital banking, payment solutions, and credit products across multiple European markets. The company operates in a technology-driven environment, developing scalable digital platforms, automated services, and modern payment infrastructure while actively investing in fintech innovation, cloud solutions, and data-driven technologies. The project is focused on developing and modernizing core banking ecosystem and payment integrations. It also involves migrating key components from on-premise infrastructure to cloud-based solutions to improve scalability, reliability, and operational efficiency. Responsibilities: Developing high-quality backend components using C# and .NET Framework/.NET Core. Building and maintaining SQL Server database logic including stored procedures, performance-tuned queries, and data processing routines. Participating in code reviews, unit test development, and quality assurance practices. Collaborating with architects, analysts, QA specialists, and cross-functional teams within an Agile/Scrum environment. Contributing to debugging, troubleshooting, and resolution of backend issues. Working with Git-based workflows for version control and collaboration. Ensuring the reliability and maintainability of backend services and integrations. Must-haves: Experience in backend development for 4+ years. Strong expertise in C# and .NET Framework/.NET Core. Experience developing microservices systems. Advanced SQL Server knowledge, including performance tuning and stored procedures. Hands-on experience with unit testing and writing automated test coverage. Experience with Azure DevOps. Exposure to CI/CD concepts and pipelines. Experience in fintech, banking, payments or trading domains. Experience working in Agile/Scrum teams. Strong analytical, debugging, and problem-solving skills. Level of English – from Upper-Intermediate and above. Nice to Have: Experience with IBM IIB (or similar ESB/integration tools). Knowledge of the Elastic Stack (Elasticsearch, Kibana, Logstash). Knowledge of enterprise scheduling tools (e.g., Automic). Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. English courses. Private health insurance and compensation for sports activities. Join us! Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl

🏢 Summary: Backend Developer (.NET) role focused on building and supporting a secure, fully on-premise architecture for a government digital hunting platform. The position involves developing secure backend services, integrating external systems, and ensuring high data privacy, reliability, and compliance within a regulated environment. The role includes implementing business logic, REST APIs, and security mechanisms aligned with enterprise architecture standards. 🗂️ Requirements: 5+ years of experience in software engineering, Strong experience with C# and .NET (ASP.NET Core) in enterprise systems, Hands-on experience building secure REST APIs, Solid knowledge of OIDC, OAuth2, JWT and RBAC, Experience with Oracle DB and ORM frameworks, Experience with on-prem infrastructure and CI/CD pipelines, Understanding of secure coding practices in high-security environments, Ability to write unit and integration tests, Experience integrating with external identity systems (IdP, SSO, MFA), Upper-Intermediate level of English or higher 📃 Skills: C#, .NET, ASP.NET, REST, OIDC, OAuth2, JWT, RBAC, Oracle, ORM, CI/CD, SSO, MFA, IdP 🏢 Description: Andersen is hiring a Backend Developer (.NET) in Abu Dhabi to build and support a secure on-premise infrastructure for a government digital platform, ensuring privacy, reliability, and system integration. The customer is a large public-sector organization operating at the federal level, responsible for supporting executive decision-making, coordinating strategic initiatives, and overseeing nationwide programs. The organization plays a key role in shaping long-term development priorities and collaborates with multiple government entities and international partners. It invests in digital transformation, data-driven solutions, and advanced technologies to modernize processes, improve efficiency, and build scalable, secure platforms for mission-critical services. The project is focused on designing and implementing a fully on-premise architecture for a hunting application, ensuring high data privacy, offline functionality, and tight integration with the customer’s existing IT landscape. Technology stack: C#, .NET ( ASP.NET Core), REST APIs, OIDC / OAuth2 / JWT, RBAC, Oracle DB, ORM frameworks, CI/CD. Responsibilities: - Implementing business logic for trip management, reporting, and accessing workflows. - Delivering backend features according to approved architecture and security guidelines. - Integrating and validating external services (identity, messaging, maps, internal APIs). - Participating in code reviews, architecture discussions, and technical refinements. - Investigating and resolving performance, security, and production issues. - Contributing to documentation (API specs, technical notes, handover materials). - Supporting UAT, production releases, and post-launch stabilization. - Collaborating closely with QA, frontend, and DevOps to ensure end-to-end delivery. Must-have: - Experience in software engineering roles for 5+ years. - Strong experience with C# and .NET ( ASP.NET Core) in enterprise systems. - Hands-on experience building secure REST APIs. - Solid knowledge of authentication & authorization (OIDC / OAuth2 / JWT, RBAC). - Experience working with Oracle DB and ORM frameworks. - Understanding of secure coding practices and regulated / high-security environments. - Experience with on-prem infrastructure and CI/CD pipelines. - Ability to write unit and integration tests for backend services. - Experience integrating with external identity or government systems (e.g., IdP, SSO, MFA). - Level of English – from Upper-Intermediate and above. Reasons why this job would be interesting to you: - Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. - The opportunity to change the project and/or develop expertise in an interesting business domain. - Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. - The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. - Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. - Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). - Certification compensation (AWS, PMP, etc). - Referral program. - English courses. - Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl Join us! https://people.andersenlab.com/

🏢 Summary: Backend Developer (.NET) role focused on enhancing and maintaining a mobile application built with .NET MAUI and integrated with an Azure backend. The position involves extending functionality, improving performance and reliability, and supporting features such as photo capture and history management. The project emphasizes backend development, mobile integration, and scalable Azure-based services. 🗂️ Requirements: 3+ years of backend development experience, .NET MAUI hands-on experience, Strong knowledge of C# and .NET 6/7/8, Experience with RESTful API integration, Understanding of MVVM and mobile app architecture, Experience with Azure App Services, Functions, and APIs, Experience with data handling, storage, and synchronization, English level Intermediate+ or higher 📃 Skills: C#, .NET, .NETMAUI, REST, Azure, AppServices, AzureFunctions, APIs, MVVM, SQL, Git 🏢 Description: Andersen is hiring a Backend Developer (.NET) in the EU for a project supporting and enhancing a mobile app with Azure backend, improving functionality, performance, and reliability. The customer is a global company specializing in the development of consumer diagnostic solutions with a focus on personal health and well-being. It combines scientific research, engineering, and user-centered design to create accurate and easy-to-use products for home use. The company operates internationally and continuously invests in innovation and quality to help individuals make informed health decisions. The project is focused on supporting and enhancing an existing mobile application built with .NET MAUI and integrated with a Microsoft Azure backend. It includes further development, maintenance, and improvement of application functionality and performance. Responsibilities: Extending existing functionality for pregnancy-related user journeys. Adapting app behavior based on sensitive contexts (e.g., suppressing irrelevant test-related content). Enabling users to capture and store photos of test results (pregnancy/ovulation). Providing history management (archiving, sorting, matching over time). Must-haves: Experience in backend development for 3+ years. Strong hands-on experience with .NET MAUI. Solid knowledge of C# / .NET (preferably .NET 6/7/8). Experience integrating mobile apps with RESTful APIs. Understanding of mobile app architecture (MVVM, modular apps). Experience with Azure-based backends (App Services, Functions, APIs, etc.). Experience with data handling, storage, and synchronization. Level of English – from Intermediate+ and above. Nice-to-haves: Experience with healthcare / regulated domains. Experience working with photo/media handling in mobile apps. Familiarity with privacy-sensitive features and UX logic. Previous experience in modular or scalable mobile systems. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. English courses. Private health insurance and compensation for sports activities. Join us! Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl

🏢 Summary: Backend Developer (.NET) role focused on supporting and enhancing a mobile application built with .NET MAUI and integrated with an Azure backend. The position involves extending functionality, improving performance and reliability, and implementing features such as photo capture, history management, and context-based behavior. The project centers on continuous development and maintenance of a health-related mobile solution. 🗂️ Requirements: 3+ years of backend development experience, Strong hands-on experience with .NET MAUI, Solid knowledge of CSharp and DotNet (NET6/NET7/NET8), Experience integrating mobile applications with RESTful APIs, Understanding of mobile architecture patterns (MVVM, modular apps), Experience with Azure backends (App Services, Functions, APIs), Experience with data handling, storage, and synchronization, English level Intermediate+ or higher 📃 Skills: CSharp, DotNet, NET6, NET7, NET8, MAUI, Azure, REST, MVVM, AppServices, Functions, APIs, Data, Synchronization 🏢 Description: Andersen is hiring a Backend Developer (.NET) in the EU for a project supporting and enhancing a mobile app with Azure backend, improving functionality, performance, and reliability. The customer is a global company specializing in the development of consumer diagnostic solutions with a focus on personal health and well-being. It combines scientific research, engineering, and user-centered design to create accurate and easy-to-use products for home use. The company operates internationally and continuously invests in innovation and quality to help individuals make informed health decisions. The project is focused on supporting and enhancing an existing mobile application built with .NET MAUI and integrated with a Microsoft Azure backend. It includes further development, maintenance, and improvement of application functionality and performance. Responsibilities: Extending existing functionality for pregnancy-related user journeys. Adapting app behavior based on sensitive contexts (e.g., suppressing irrelevant test-related content). Enabling users to capture and store photos of test results (pregnancy/ovulation). Providing history management (archiving, sorting, matching over time). Must-haves: Experience in backend development for 3+ years. Strong hands-on experience with .NET MAUI. Solid knowledge of C# / .NET (preferably .NET 6/7/8). Experience integrating mobile apps with RESTful APIs. Understanding of mobile app architecture (MVVM, modular apps). Experience with Azure-based backends (App Services, Functions, APIs, etc.). Experience with data handling, storage, and synchronization. Level of English – from Intermediate+ and above. Nice-to-haves: Experience with healthcare / regulated domains. Experience working with photo/media handling in mobile apps. Familiarity with privacy-sensitive features and UX logic. Previous experience in modular or scalable mobile systems. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities. Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated. Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies). Certification compensation (AWS, PMP, etc). Referral program. English courses. Private health insurance and compensation for sports activities. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy Join us! https://people.andersenlab.com/