Backend (C#/.NET) Developer

🏢 Summary: Backend Developer (.NET) role focused on building secure, scalable backend services, APIs, integrations, and digital portals for an insurance platform. The position includes authentication and authorization management, Azure API Management, OutSystems support, and production troubleshooting in a cross-functional team. 🗂️ Requirements: 4+ years of commercial .NET and C# development experience, REST API and backend-service development and integration experience, Hands-on Auth0 configuration and support experience, Authentication and authorization knowledge: OAuth 2.0, OpenID Connect, JWT, roles, permissions, Microsoft Azure experience, Azure API Management experience: routing, policies, authentication, integrations, Internal-system and third-party-service integration experience, Upper-Intermediate English or higher 📃 Skills: .NET, C#, REST, Auth0, OAuth, OpenID, JWT, Azure, OutSystems, Okta 🏢 Description: Andersen is hiring a Backend Developer (.NET) for a project developing scalable digital insurance platforms and delivering secure backend services and system integrations. The customer is an international insurance company operating across multiple countries, known for expertise in niche markets and commitment to high-quality service. With strong governance and transparent practices, it promotes a culture of innovation, diversity, and continuous learning. Recent achievements, including record financial results and recognition for customer service, highlight its resilience and long-term value creation. The project is focused on developing and enhancing customer- and agent-facing digital portals using .NET, OutSystems, and Azure technologies. It includes backend services, system integrations, API management, and secure authentication to deliver reliable and scalable digital experiences. Responsibilities: Developing, maintaining, and enhancing backend services and APIs using .NET. Configuring and supporting authentication and authorization flows using Auth0 and Okta. Maintaining Auth0 applications, APIs, connections, roles, permissions, rules, actions, and identity-provider integrations. Developing and supporting customer- and agent-facing functionality built with OutSystems. Configuring and maintaining API routing and policies in Azure API Management. Integrating portal applications with internal core systems and external services. Troubleshooting authentication, integration, API, and application issues across the technology stack. Collaborating with business analysts, architects, QA engineers, and other developers to translate business requirements into technical solutions. Participating in technical design discussions, code reviews, testing, deployment, and production support. Ensuring that solutions follow security, scalability, maintainability, and performance best practices. Contributing to improving development standards, documentation, and engineering processes. Must-haves: Strong commercial software development experience with .NET and C# for 4+ years. Experience developing and integrating REST APIs and backend services. Hands-on experience configuring and supporting Auth0. Good understanding of authentication and authorization concepts, including OAuth 2.0, OpenID Connect, JWT, roles, and permissions. Experience working with Microsoft Azure services. Practical knowledge of Azure API Management, including API routing, policies, authentication, and integrations. Experience integrating applications with internal systems and third-party services. Strong troubleshooting and problem-solving skills. Ability to work across different parts of the application stack. Good communication skills and the ability to collaborate with both technical and non-technical stakeholders. Level of English – from Upper-Intermediate and above. Nice-to-haves: Commercial experience developing applications with OutSystems; or a strong interest in learning OutSystems and willingness to work with it as a core part of the project. Experience with low-code application development platforms will be considered an advantage. Experience with Okta administration or integration. Experience with Azure Functions, App Services, Application Insights, or other Azure services. Knowledge of CI/CD pipelines and automated deployment processes. Experience working with customer-facing or agent-facing portals. Experience in the insurance or financial-services domain. Understanding of secure software development practices. Experience supporting production applications and investigating incidents. 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. Private health insurance and sports compensation, depending on the type of employment. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl Join us!

🏢 Summary: Backend .NET role focused on building and evolving a scalable digital real estate platform for property investment, financing, ownership, and management. The position involves designing service-oriented backend systems, improving performance and reliability, and collaborating across engineering teams in an agile environment. Remote, office, and hybrid work options are available, with professional development, certification support, and health-related benefits. 🗂️ Requirements: 4+ years of .NET development experience, Docker and Kubernetes experience, Azure services experience: Key Vault, App Configuration, queues, Azure AD B2C, RESTful APIs, microservices, and serverless computing knowledge, SQL and NoSQL database design experience, Caching strategies experience, Codebase architecture, code organization, and design patterns expertise, English proficiency: Intermediate+ 📃 Skills: C#, .NET, Docker, Kubernetes, Azure, KeyVault, AppConfiguration, ADBC2, REST, Microservices, Serverless, SQL, NoSQL, Caching, Debugging, Testing, Observability 🏢 Description: Andersen is hiring a Backend Developer (.NET) for a project developing a digital real estate platform and delivering scalable solutions for property management and investment. The customer is a technology company developing digital solutions that modernize complex business processes and improve customer experiences. Its integrated platform brings together multiple digital services into a seamless online experience, helping users manage a wide range of activities more efficiently. By leveraging innovative technologies, automation, and strategic partnerships, the company drives digital transformation while enhancing efficiency, transparency, and accessibility. The project is focused on developing a digital real estate platform that simplifies property investment, financing, and ownership. It combines fractional ownership, mortgage services, and property management capabilities into a single solution, making real estate more accessible and easier to manage throughout the entire ownership journey. Responsibilities: Designing and developing high-performance, scalable backend systems using C# and .NET technologies. Leading the design discussions and implementing best practices for service-oriented architectures and microservices. Driving the evolution of our existing platform to the next level by leveraging cutting-edge technologies and strategies to ensure a future-proof and scalable infrastructure. Ensuring high quality unit/integration tests where required. Identifying, troubleshooting, and resolving complex technical issues, with a strong emphasis on debugging skills. Optimizing system performance through proactive analysis, code reviews, and continuous improvement initiatives along with observability tooling. Mentoring junior engineers and sharing your deep technical expertise across teams. Collaborating with cross-functional teams including frontend developers, DevOps, QA, and product managers to deliver high-quality solutions. Contributing to agile processes and driving continuous improvement in development methodologies and practices. Staying updated with emerging technologies and industry trends, recommending new tools and practices to enhance the technical stack. Contributing to the technical strategy and roadmap of backend services. Must-haves: Experience with .NET development for 4+ years. Experience with containerization technologies such as Docker and orchestration platforms like Kubernetes. Experience with Azure cloud services like key vault, app config, various queueing products and ADB2C. Familiarity with RESTful APIs, microservices architecture, and serverless computing. Extensive database design experience with SQL and NoSQL. Extensive caching strategies and related experience. Command over codebase architecture and code organization with relevant design patterns. Level of English – from Intermediate+ and above. Nice-to-haves: Previously worked in a fintech/proptech industry. Knowledge of additional programming languages or frameworks is a plus. Certification(s) related to Azure or cloud technologies. Programming experience in a related language such as Golang, Typescript, etc AWS cloud native experience. 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. Private health insurance and sports compensation, depending on the type of employment. Join us! Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl

🏢 Summary: Full Stack Developer role building a scalable, cloud-native enterprise commerce platform that integrates Commercetools with SAP ERP and Salesforce. The position covers .NET/C# backend services, React/Next.js frontend development, APIs, event-driven integrations, and Azure infrastructure managed with Terraform. 🗂️ Requirements: 5+ years of enterprise software development experience, Strong .NET and C# expertise, Cloud-native architecture and microservices experience, Advanced JavaScript, TypeScript, React, and Next.js knowledge, SAP ERP (ECC or S/4HANA) integration experience, Salesforce CRM integration and API experience, Commercetools and composable/headless commerce experience, Enterprise API and integration-service development experience, Dapr, event-driven architecture, and asynchronous messaging knowledge, Azure Cloud services experience, Terraform Infrastructure as Code experience, Enterprise software design and system integration patterns knowledge, Cross-functional communication skills in a corporate environment, Upper-Intermediate English or higher 📃 Skills: .NET, C#, JavaScript, TypeScript, React, Next.js, SAP, ECC, S/4HANA, Salesforce, Commercetools, Dapr, Azure, Terraform, Microservices, APIs, ERP, CRM 🏢 Description: Andersen is hiring a Full Stack Developer (.NET+React) for a project developing a scalable enterprise commerce platform and delivering modern cloud-based business solutions. Our customer is a global industrial business providing equipment, technologies, and services for a wide range of manufacturing and commercial applications. Its portfolio supports industrial operations by improving productivity, resource efficiency, and equipment performance across multiple business environments. The company serves multiple industries worldwide through an extensive manufacturing, service, and distribution network. The project is focused on developing a scalable enterprise commerce platform that integrates core business systems, including ERP and CRM solutions. It supports order management, pricing, and customer data synchronization through cloud-native services and modern integration architecture, ensuring scalability, security, and operational efficiency. Responsibilities: Designing and developing composable commerce solutions integrated with enterprise platforms such as SAP and Salesforce. Building and maintaining backend services using .NET, C#, and Dapr. Developing modern frontend applications using JavaScript, TypeScript, React, and Next.js. Designing and implementing APIs, middleware, and integration services connecting Commercetools, SAP, and Salesforce. Enabling synchronization of orders, pricing, product, and customer data across enterprise platforms. Collaborating with Business Analysts, Solution Architects, and stakeholders to align technical solutions with business requirements. Implementing event-driven and cloud-native architectures leveraging asynchronous messaging patterns. Managing and deploying cloud infrastructure using Azure and Terraform. Participating in architecture discussions, design reviews, and code reviews. Ensuring compliance with engineering standards, governance frameworks, and security requirements. Documenting architecture decisions, integration patterns, and system data flows. Must-haves: Experience in enterprise software development for 5+ years. Strong expertise in .NET and C#. Experience with cloud-native architectures and microservices. Advanced knowledge of JavaScript, TypeScript, React, and Next.js. Proven experience integrating SAP ERP (ECC or S/4HANA) with commerce, middleware, or enterprise applications. Experience with Salesforce CRM integrations, APIs, and integration patterns. Hands-on experience with Commercetools and composable/headless commerce architectures. Experience building and maintaining enterprise APIs and integration services. Knowledge of Dapr, event-driven architecture, and asynchronous messaging. Experience with Azure Cloud services. Infrastructure as Code experience using Terraform. Strong understanding of enterprise software design principles and system integration patterns. Excellent communication skills and ability to work with cross-functional teams in a corporate environment. Level of English – from Upper-Intermediate or above. Nice-to-haves: Experience with large-scale digital commerce or retail transformation projects. Knowledge of SAP integration technologies (SAP CPI, PI/PO, IDocs, BAPIs, OData). Experience working with event streaming platforms (e.g., Kafka, Azure Service Bus). Familiarity with DevOps practices, CI/CD pipelines, and automation. Experience implementing security and compliance requirements in enterprise environments. Knowledge of domain-driven design (DDD) and microservices architecture patterns. Experience with performance optimization and scalability of high-volume commerce platforms. Certification in Azure, Salesforce, SAP, or Commercetools. Previous experience working in international distributed teams and long-term contract engagements. 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/pl Join us! https://people.andersenlab.com/

🏢 Summary: Python Developer role focused on modernizing and stabilizing a digital mortgage platform with scalable AWS-based banking solutions. The position involves independent delivery of engineering tasks, resilient infrastructure improvements, API development, and collaborative code-quality practices. 🗂️ Requirements: 3+ years of Python experience, Hands-on AWS experience, RESTful API design and integration experience, Git, version control, and deployment workflow proficiency, Intermediate+ English 📃 Skills: Python, AWS, CloudWatch, EC2, Lambda, StepFunctions, DynamoDB, S3, Athena, SNS, SQS, EventBridge, CloudFormation, Terraform, REST, Git 🏢 Description: Andersen is hiring a Python Developer with AWS for a project modernizing a digital mortgage platform and delivering scalable cloud-based banking solutions. The customer is a financial services provider focused on delivering modern digital banking solutions. The company offers a range of technology-driven financial products through a scalable digital platform, emphasizing customer experience, operational efficiency, and continuous innovation. By investing in cloud technologies, modern engineering practices, and process automation, it continuously enhances its digital capabilities and simplifies access to everyday financial services. The project is focused on modernizing and stabilizing the bank’s mortgage platform following the launch of new mortgage products. It includes enhancing the underlying infrastructure and developing new features to improve service quality and the overall customer experience. Responsibilities: Delivering medium-sized engineering tasks and solution designs independently as part of platform resilience and modernization initiatives. Developing high-quality, maintainable, and testable code following established engineering standards and best practices. Applying software design principles such as KISS, DRY, and SOLID to deliver scalable and reliable solutions. Collaborating with the engineering team through code reviews, technical discussions, and continuous improvement initiatives. Must-haves: Experience with Python for 3+ years. Hands-on experience with AWS, including CloudWatch, EC2, Lambda, Step Functions, DynamoDB, S3, Athena, SNS, SQS, EventBridge, CloudFormation, and Terraform. Experience designing and integrating RESTful APIs. Proficiency with Git, version control, and deployment workflows. Level of English – from Intermediate+. Nice-to-haves: Experience working in the banking domain. 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 an additional up to 1,000 EUR per month 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 sports compensation, depending on the type of employment. Your personal data is protected in accordance with GDPR regulations. Learn more: https://andersenlab.com/privacy-policy/pl Join us! https://people.andersenlab.com/