June 3, 2026
VB.NET Developer
Mid • Remote
2,500 - 4,500 USD
Warsaw, Poland
Andersen is hiring a VB.NET Developer for a project maintaining and enhancing enterprise business applications while supporting ongoing product development.
The customer is a global technology company that develops and delivers innovative solutions for industrial enterprises. The organization supports businesses in improving operational efficiency, reliability, and process optimization through modern technologies and engineering expertise. With an international presence, the customer works across multiple industries, helping organizations advance their digital transformation initiatives and enhance overall business performance.
The project is focused on maintaining and enhancing a business application, ensuring platform stability and delivering new features. It includes end-to-end ownership of the codebase, integration with external engineering tools, and supporting a continuous product release cycle.
Responsibilities:
Taking ownership of the existing VB.NET / WPF desktop application.
Investigating, reproducing and fixing reported bugs (DB connectivity, project save/load, grid rendering).
Developing and shiping new features per engineering team requests.
Maintain and improve AutoCAD plugin integration (in progress); prepare groundwork for EPLAN.
Participating in quarterly release planning and delivery.
Must-haves:
Experience with VB.NET in production environments for 3+ years.
Strong WPF — layouts, bindings, custom controls.
Deep understanding of MVVM pattern in practice.
Experience with DevExpress WPF controls (grids, editors).
Understanding of .NET Framework 4.x constraints and specifics.
Working with TFS (check-in/check-out workflow).
Experience with Excel Interop for data import and export.
Ability to read and navigate a legacy codebase independently.
Level of English – from Intermediate+ and above.
Nice to haves:
Knowledge of Microsoft Azure or similar cloud technologies; experience integrating with Azure DevOps.
BMC Helix and/or ITIL certifications — valued, but hands-on experience matters more; candidates without formal certification will be considered.
Exposure to BMC's AI capabilities.
Some experience of the insurance industry or other regulated environments.
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.
Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy
Join us!
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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!
Technology
Andersen
Full Stack Developer (.NET + Angular)
Senior
Remote
Warsaw, Poland
4,000 - 4,700 USD
🏢 Summary: Full Stack Developer (.NET + Angular) role focused on building a cloud-based risk intelligence platform using Azure services. The position involves developing RESTful APIs, integrating data platforms, and supporting AI/ML-driven pipelines to deliver scalable, high-performance SaaS solutions. Work includes full-stack development, system architecture contribution, and cloud-native implementation. 🗂️ Requirements: 5+ years full-stack development experience, Strong backend development with C# and .NET Core / ASP.NET, Experience building RESTful APIs and services, Frontend development experience with Angular, Experience with Azure cloud services, Integration with Azure Data Lake, Azure SQL, Cosmos DB, Working with JSON and XML data formats, Experience with test frameworks for REST services, Knowledge of OOP, design patterns, SOLID principles, Experience with CI and version control systems, Experience implementing IaC practices 📃 Skills: C#, .NET, ASP.NET, Angular, Azure, REST, JSON, XML, CosmosDB, AzureSQL, DataLake, AzureML, CI, IaC, OOP, SOLID, Git 🏢 Description: Andersen is hiring a Full Stack Developer (.NET + Angular) for a project building a risk intelligence platform, enabling data-driven insights and improved decision-making. The customer is a global organization operating in the professional services domain. It provides a range of advisory and analytical support to organizations across multiple industries, helping them improve business performance and address complex operational challenges. The company leverages data, industry knowledge, and digital tools to deliver practical solutions, supporting decision-making, organizational development, and long-term efficiency. The project is focused on developing a digital platform that supports risk intelligence and resilience decision-making. It leverages data, analytics, and modeling to help organizations assess risk exposure and improve operational performance. Responsibilities: Designing and implementing APIs and backend services for accessing, processing, and exposing analytical and ML-driven data. Building integration layers between data platforms (Azure Data Lake, Azure SQL, Cosmos DB) and applications. Implementing data ingestion, transformation, and orchestration workflows in collaboration with data teams. Working with semi-structured data (JSON) and integrating it into scalable backend services. Supporting AI-driven pipelines and integrating outputs from Azure ML and similar services. Ensuring performance, scalability, and reliability of services in line with SLAs. Integrating backend components within the Azure ecosystem (Functions, Storage, messaging). Contributing to system architecture, especially service boundaries between data and application layers. Writing clean, maintainable, and testable code, including unit tests and automation. Collaborating with architects, data engineers, and frontend teams, and supporting backlog refinement with Product Owners. Conducting code reviews, debugging issues, and improving system performance. Developing PoCs and contributing to SaaS solution design using modern technologies. Implementing high-performance cloud solutions using Azure and IaC practices. Must-haves: Experience in full-stack development for 5+ years. Hands-on experience with backend development using C#, .NET Core / ASP.NET , building RESTful APIs and services. Experience in frontend development using Angular. Familiarity with JSON/XML and service integration patterns. Experience working with cloud technologies, specifically the Azure stack. Experience working with test frameworks/test cases for RESTful services. Experience with software engineering best practices: object-oriented, design patterns, SOLID principles. Experience with software development ecosystem (IDE’s, version control, test automation/CI, etc.). Strong appreciation of building flexible cross-functional full-stack squads with shift-left DevOps, SRE and QA culture. 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. 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/pl Join us!
Technology
Andersen
Backend Developer (.NET)
Mid
Remote
1,700 - 2,500 USD
🏢 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!
Technology
Andersen
Backend Developer (.NET)
Mid
Remote
Belgrade, Serbia
1,700 - 2,800 USD
🏢 Summary: Backend Developer (.NET) role focused on building and migrating a travel platform from monolith to microservices, ensuring reliable API integrations and scalable booking processes. The position involves developing high-performance backend services, integrating multiple external systems, and supporting data synchronization across a distributed architecture. Work includes close collaboration within Agile teams and contribution to CI/CD and cloud-based infrastructure. 🗂️ Requirements: 3+ years experience with .NET, Strong experience with .NET Core, Strong experience with .NET Framework 4.8 (Web API), Experience with microservice architecture, Knowledge of Clean Architecture patterns, Experience with MediatR, Experience with SQL Server, Experience with MongoDB, Experience with Azure Service Bus or NServiceBus, Experience with CI/CD pipelines, Familiarity with Azure DevOps, English level Intermediate+ or higher 📃 Skills: .NET, .NETCore, .NETFramework, WebAPI, Microservices, CleanArchitecture, MediatR, SQLServer, MongoDB, AzureServiceBus, NServiceBus, AzureDevOps, CI/CD, Azure 🏢 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!