Penetration Tester

🏢 Summary: Backend Developer role focused on building scalable cloud-native applications and backend services using C#/.NET and Azure technologies. The position involves REST API development, software architecture, CI/CD pipelines, cloud integrations, and full SDLC participation in enterprise software projects. The offer includes remote or hybrid work options, professional growth opportunities, training access, and health benefits. 🗂️ Requirements: 3+ years of experience with C# and .NET/.NET Core/ASP.NET Core, Experience designing and developing REST APIs and web services, Knowledge of SQL Server, JSON, and XML, Understanding of SDLC, OOP, SOLID principles, and design patterns, Experience with unit testing, test automation, and Git, Experience working in Agile environments, Experience with Azure App Services, Azure Service Bus, Azure Key Vault, and Azure DevOps, Knowledge of CI/CD pipelines, deployments, release flows, and integrations, Understanding of Azure cloud architecture and cloud-native application design, Experience with Azure Functions, Azure Storage, Azure SQL, Azure Cosmos DB, and Azure monitoring tools, Experience with Infrastructure as Code using Terraform or Bicep, Intermediate+ English level 📃 Skills: C#, .NET, ASP.NET, REST, SQL, JSON, XML, Git, Azure, AzureSQL, CosmosDB, Terraform, Bicep, CI/CD, AzureDevOps, AzureFunctions, AzureStorage, ServiceBus, KeyVault, OOP, SOLID, SDLC, Agile 🏢 Description: Andersen is hiring a Backend Developer (C#/.NET) in the EU to build scalable backend solutions, develop cloud-native applications, and contribute to modern enterprise software projects. Andersen is a pre-IPO software development company providing a full cycle of services. For over 19 years, we have been helping enterprises and middle-sized firms worldwide transform their businesses by creating effective digital solutions using innovative technologies. Today, we are working with organizations from various parts of the world, including North America, Western Europe, Israel, Australia, and the UAE. Our expertise covers FinTech, Healthcare, Retail, Telecom, Media & Entertainment, Logistics, Travel & Hospitality, eCommerce, and other industries. Responsibilities: - Designing, developing, and maintaining backend services using C#/.NET. - Designing and implementing REST APIs and backend integrations. - Contributing to software architecture and technical design decisions. - Integrating applications with Azure services and cloud infrastructure. - Working with SQL Server, Azure SQL, and, where applicable, Azure Cosmos DB. - Developing unit tests and contributing to automated testing and overall code quality. - Performing code reviews, troubleshoot issues, optimizing performance, and reducing technical debt. - Participating in the full software development lifecycle, from requirements gathering through deployment and maintenance. - Collaborating closely with Product Owners, Solution Architects, QA engineers, and cross-functional development teams. - Building cloud-native services, CI/CD pipelines, and integrations with data and AI platforms for cloud-focused projects. - Enhancing and maintaining desktop applications, implementing algorithm-driven features, and developing high-performance, testable software components for desktop-focused projects. Must-haves: - Strong experience with C#, .NET / .NET Core / ASP.NET Core for 3+ years. - Hands-on experience designing and developing REST APIs and web services. - Strong knowledge of SQL Server, JSON, and XML. - Solid understanding of the Software Development Lifecycle (SDLC), OOP, SOLID principles, and design patterns. - Experience with unit testing, test automation, and Git. - Experience working in Agile environments. - Hands-on experience with Azure App Services, Azure Service Bus, Azure Key Vault, and Azure DevOps, including CI/CD pipelines, deployments, release flows, and integrations. - Strong understanding of Azure cloud architecture and cloud-native application design. - Experience with Azure Functions, Azure Storage, Azure SQL, Azure Cosmos DB, and Azure monitoring/observability. - Experience with Infrastructure as Code (Terraform, Bicep). - Level of English – from Intermediate+ and above. Nice-to-have: - Experience with Azure Data Lake, Azure Machine Learning, Event Grid, Azure Kubernetes Service (AKS), Azure AI, and data pipelines. - Experience with Azure VM administration. - Experience with Angular 2+. - Knowledge of Python, Machine Learning, or AI algorithms. - Experience with desktop application development using WPF or WinForms. - Understanding of DevOps culture and Site Reliability Engineering (SRE) practices. - Experience with people management or technical leadership. - Experience building analytics or data-intensive 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. - 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, 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 (C#/.NET) Developer role focused on enhancing an insurance analytics platform used for loss reserving and claims analysis. The position involves developing and refactoring a math-driven desktop application, implementing automated tests, and applying machine learning algorithms to deliver accurate risk insights. You will collaborate in an Agile environment to design, document, and deliver high-quality, performance-oriented software solutions. 🗂️ Requirements: 3+ years of experience with C# and .NET, Experience with full software development lifecycle in commercial environment, Strong knowledge of object-oriented design and design patterns, Understanding of SOLID principles, Experience working in Agile or Extreme Programming methodologies, Experience with SQL Server, Upper-Intermediate English level or higher 📃 Skills: C#, .NET, SQL, SQLServer, OOP, SOLID, Agile, XP, WPF, WinForms, Python, MachineLearning, UnitTesting 🏢 Description: Andersen is hiring a Backend (C#/.NET) Developer for a project developing insurance analytics solutions that support risk assessment, data-driven insights, and financial 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 enhancing an insurance analytics platform that helps insurers and reinsurers perform loss reserving and claims analysis. It combines actuarial methodologies, machine learning, and advanced data analytics to deliver accurate, transparent, and auditable insights for risk management and financial decision-making. Responsibilities: Primarily working on MLR desktop application with a focus on Smart Search and component updates, and occasionally on other standalone tools owned by the team. So, some of the work will be a math driven role with an emphasis on correct numbers checked through extensive automated tests. It’s using machine learning algorithms. Working with the Product Owner to define, refine and deliver the product backlog. Designing and documenting software solutions meeting functional and non-functional requirements. Implementing and refactoring product code (C#), following best practices for maintainability, testability and performance. Implementing unit tests, developing test frameworks and associated automated test cases. Reviewing and debugging code to identify defects, performance bottlenecks or technical debt. Working closely with test engineers to guarantee suitable test coverage, identifying and executing manual tests if necessary. Participating in sprint planning meetings, daily stand-ups and sprint retrospectives, striving to continuously improve the team velocity, its processes and engineering practices. Using of AI to support the development. Must-haves: Proficient in software development using C# .NET for 3+ years. Experience with the full software development lifecycle in a commercial/production environment: requirements capture and analysis, estimation, detailed software design, implementation, unit and system-level testing, installation and deployment, maintenance. Experience with software engineering best practices: object-oriented design and implementation, design patterns, SOLID principles, Agile and Extreme Programming methodologies. SQL Server. Level of English – from Upper-Intermediate and above. Nice-to-haves: Knowledge of Python is desirable. Experience with ML/algorithms. Experience with desktop applications (WPF, WinForms, etc.). 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 https://andersenlab.com/privacy-policy/pl

🏢 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: Leadership role to design and secure scalable AWS-based fintech infrastructure for high-volume payment systems. The position focuses on implementing PCI DSS and enterprise security standards, integrating security into CI/CD, and owning Infrastructure as Code. It combines hands-on cloud architecture with security governance and reliability optimization. 🗂️ Requirements: 4+ years experience in DevOps, Platform Engineering, or Backend Infrastructure, Strong hands-on AWS experience in production environments, Experience implementing PCI DSS, SOC2, or ISO27001 controls, Experience with Infrastructure as Code (CDK, Terraform, Pulumi, or similar), Deep knowledge of IAM, least privilege, VPC networking, encryption, and secrets management, Experience building and maintaining secure, scalable systems 📃 Skills: AWS, PCI, SOC2, ISO27001, Terraform, CDK, Pulumi, SST, IAM, VPC, Encryption, WAF, GuardDuty, CICD, Secrets, Monitoring, Logging, Node.js, TypeScript, NestJS, PostgreSQL, DynamoDB, MongoDB 🏢 Description: Andersen is hiring a DevSecOps Lead for a project building secure fintech infrastructure, enhancing AWS architecture, and supporting reliable payment operations. The customer is an international fintech company focused on improving digital payment experiences for online businesses. The organization develops scalable payment solutions that help merchants increase transaction success rates, simplify checkout processes, and support flexible payment scenarios for end users. Its platform integrates with various payment providers and business systems, enabling seamless processing of multi-source and collaborative payments through a unified API-driven infrastructure. The project is focused on building secure and scalable fintech infrastructure for payment solutions in the travel industry. It includes enhancing AWS-based architecture, implementing enterprise-grade security standards, and supporting compliance initiatives to ensure reliable and secure payment operations. Responsibilities: Leading implementation of PCI DSS controls across infrastructure and application layers. Designing secure AWS architectures (VPC segmentation, IAM boundaries, least privilege). Implementing encryption standards (data at rest and in transit). Setting up and managing security tooling (e.g. WAF, GuardDuty, logging/monitoring). Working directly with auditors and internal stakeholders. Owning AWS infrastructure using Infrastructure as Code (SST / CDK / Pulumi / Terraform). Improving deployment reliability and environment consistency. Integrating security into CI/CD pipelines. Implementing secrets management and secure configuration practices. Architecting systems for high-volume financial transactions. Improving reliability, fault tolerance, and observability. Optimizing cloud architecture for performance and cost. Acting as the internal Security Champion. Defining best practices for cloud architecture and secure development. Mentoring engineers on secure coding and infrastructure practices. Must-haves: Experience in DevOps, Platform Engineering, or Backend Infrastructure for 4+ years. Strong hands-on AWS experience in production environments. Proven experience working on or implementing PCI DSS, SOC 2, or ISO 27001. Experience with Infrastructure as Code (CDK, Terraform, Pulumi, etc.). Deep understanding of IAM & least privilege, Network security (VPCs, subnets, isolation), Encryption & secrets management. Experience building or maintaining secure, scalable systems. Level of English – from Intermediate+ and above. Nice-to-have: Experience in fintech, payments, or high-compliance environments. Familiarity with Node.js / TypeScript environments. Experience monitoring, logging, and incident response systems. Familiarity with building and maintaining NestJS services. Experience with relational and NoSQL databases: PostgreSQL, DynamoDB, MongoDB. Knowledge of CI/CD pipelines and automation practices. 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 https://people.andersenlab.com/

🏢 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: Senior .NET/Azure Developer role focused on building a cloud-based risk intelligence platform that delivers analytics and ML-driven insights via scalable APIs and backend services. The position involves designing integrations across Azure data services and implementing reliable, high-performance cloud-native solutions. You will contribute to architecture, CI/CD, and SaaS solution development within the Azure ecosystem. 🗂️ Requirements: 4+ years of backend development experience with C# and .NET Core / ASP.NET, Experience building RESTful APIs and services, Strong knowledge of Azure cloud technologies (Service Bus, Key Vault, App Services, Azure DevOps), Hands-on experience with Azure DevOps CI/CD pipelines and deployments, Understanding of Azure cloud architecture and cloud-native patterns, Experience with JSON and XML and service integration patterns, Experience with test frameworks for RESTful services, Knowledge of OOP, design patterns, and SOLID principles, Experience with version control and CI tools, Upper-Intermediate or higher English level 📃 Skills: C#, .NET, ASP.NET, REST, JSON, XML, Azure, ServiceBus, KeyVault, AppServices, AzureDevOps, CICD, OOP, SOLID, Git, Testing 🏢 Description: Andersen is hiring a Senior .NET/Azure Developer 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: Hands-on experience with backend development using C#, .NET Core / ASP.NET , building RESTful APIs and services, for 4+ years. Familiarity with JSON/XML and service integration patterns. Strong experience with Azure cloud technologies, including Azure Service Bus, Azure Key Vault, Azure App Services, and Azure DevOps. Hands-on experience with Azure DevOps CI/CD pipelines, deployments, release flows, and integrations. Understanding of Azure cloud architecture and cloud-native patterns. 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. Nice-to-haves: Experience in frontend development using Angular. Strong appreciation of DevOps principles, with the ability to create automated processes to continuously deliver SaaS products on a regular cadence. Exposure to people management or team leadership. Experience with Azure Data Lake, Azure ML, Event Grid, AKS, Azure AI/data pipelines, and Azure VM administration. Experience with Azure Functions, Azure Storage, Cosmos DB, Azure SQL, Azure messaging patterns, Azure monitoring/observability, and Infrastructure as Code in Azure (Terraform/Bicep). Experience with SQL Server or other database management systems. Degree in Computer Science, Engineering, Mathematics, or related fields. 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!

🏢 Summary: Senior .NET/Azure Developer role focused on building a cloud-based risk intelligence platform that delivers data-driven insights and supports AI/ML-powered decision-making. The position involves designing scalable backend services, integrating data platforms, and implementing high-performance cloud solutions within the Azure ecosystem. The role emphasizes API development, data integration, and cloud-native architecture using modern DevOps and IaC practices. 🗂️ Requirements: 4+ years of backend development experience with C# and .NET Core/ASP.NET, Experience building RESTful APIs and backend services, Strong experience with Azure cloud services, Hands-on experience with Azure DevOps CI/CD pipelines and deployments, Understanding of Azure cloud architecture and cloud-native patterns, Experience with JSON/XML and service integration patterns, Experience with test frameworks for RESTful services, Knowledge of OOP, design patterns, and SOLID principles, Experience with version control and CI tools, Upper-Intermediate English or higher 📃 Skills: C#, .NET, ASP.NET, REST, Azure, ServiceBus, KeyVault, AppServices, AzureDevOps, CI/CD, JSON, XML, AzureFunctions, CosmosDB, AzureSQL, AzureStorage, Terraform, Bicep, SQLServer, AKS 🏢 Description: Andersen is hiring a Senior .NET/Azure Developer 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: Hands-on experience with backend development using C#, .NET Core / ASP.NET , building RESTful APIs and services, for 4+ years. Familiarity with JSON/XML and service integration patterns. Strong experience with Azure cloud technologies, including Azure Service Bus, Azure Key Vault, Azure App Services, and Azure DevOps. Hands-on experience with Azure DevOps CI/CD pipelines, deployments, release flows, and integrations. Understanding of Azure cloud architecture and cloud-native patterns. 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. Nice-to-haves: Experience in frontend development using Angular. Strong appreciation of DevOps principles, with the ability to create automated processes to continuously deliver SaaS products on a regular cadence. Exposure to people management or team leadership. Experience with Azure Data Lake, Azure ML, Event Grid, AKS, Azure AI/data pipelines, and Azure VM administration. Experience with Azure Functions, Azure Storage, Cosmos DB, Azure SQL, Azure messaging patterns, Azure monitoring/observability, and Infrastructure as Code in Azure (Terraform/Bicep). Experience with SQL Server or other database management systems. Degree in Computer Science, Engineering, Mathematics, or related fields. 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: The offer is for a Software Development Engineer in Test to ensure quality, scalability, and reliability of a next-generation cloud-native platform for real estate transaction and settlement services. The role involves automated and API testing within a modern .NET-based stack, working in a Scrum team on a long-term modernization initiative. The project leverages cloud technologies, microservices, performance testing, and AI-assisted development tools. 🗂️ Requirements: Bachelor’s degree in a technical field, 3+ years experience with .NET Core or .NET Framework, Experience with SQL Server, Experience testing RESTful APIs, Experience in test automation using C#, Experience with Cypress or Selenium or Playwright or Postman, Knowledge of load and performance testing, Upper-Intermediate English or higher 📃 Skills: .NET, C#, SQL, SQLServer, REST, Cypress, Selenium, Playwright, Postman, JMeter, GenAI, Claude, Microservices 🏢 Description: Andersen is hiring a Software Development Engineer in Test for a project building a modern digital platform and ensuring quality, scalability, and reliability of innovative solutions. The customer is an international software company that develops specialized business solutions for organizations operating in a highly regulated industry. Its products help streamline complex processes, improve operational efficiency, ensure compliance, and support secure data management. The company continues to invest in modern technologies, automation, and cloud-based solutions to drive innovation and business growth. The project is focused on building a next-generation platform for real estate transaction and settlement services. It is a long-term modernization initiative leveraging cloud-native technologies, modern engineering practices, and AI-assisted development tools to deliver scalable and innovative digital solutions. Responsibilities: Testing and automating testing of the next-generation platform as part of a Scrum team. Testing across the .NET Core (.NET Framework acceptable), C#, SQL Server stack. Testing RESTful APIs. Developing and maintaining automated tests using test automation tools (Cypress / Selenium / Playwright / Postman or equivalent). Load and performance testing (e.g., JMeter) within the scope of the project. Using GenAI / Agentic Coding tools (e.g., Claude Code). Must-haves: Bachelor’s or equivalent degree in a technical field. Experience on .NET Core / .NET Framework, SQL Server; testing experience with RESTful APIs for 3+ years. Experience with test automation using C#. Experience with at least one of Cypress, Selenium, Playwright, Postman (or equivalent RESTful API testing tools) and test automation experience. Strong problem-solving and communication skills. Level of English – from Upper-Intermediate and above. Nice-to-haves: Experience with microservices and event-based architecture. Load and performance testing knowledge/experience, especially JMeter. Demonstrated use of GenAI coding assistants or Agentic Coding tools such as 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. 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 https://people.andersenlab.com/