Full Stack Developer (React+Node) in the EU

🏢 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: Full Stack Developer role focused on building and operating AI-powered cloud platforms, agentic systems, APIs, and event-driven microservices. The position uses Node.js, TypeScript, Python, MCP, Docker, and AWS to deliver scalable GenAI solutions in production. 🗂️ Requirements: 4+ years of production software engineering experience, TypeScript and Node.js proficiency, Python for AI-agent and orchestration development, Production GenAI, agentic, or multi-agent systems experience, Production systems experience with real users, failure handling, retries, token/context optimization, and output evaluation, API, microservices, event-driven architecture, orchestration workflow, and state-management experience, MCP server and tool design experience, Docker and AWS ECS/Fargate cloud-native deployment and operations experience, Upper-Intermediate English or higher 📃 Skills: TypeScript, Node.js, Python, GenAI, MCP, Docker, AWS, ECS, Fargate, Microservices, APIs, Kafka, LangGraph, LangChain, n8n, LiteLLM, RAG 🏢 Description: Andersen is hiring a Full Stack Developer (Node.js+TypeScript) for a project developing AI-powered cloud platforms and scalable microservices with modern GenAI technologies. The customer is a technology-driven software quality services provider that helps organizations improve the reliability, usability, and performance of their digital products. It combines quality engineering expertise, flexible delivery models, and technology-enabled services to support web, mobile, and other digital solutions across multiple industries. The company helps businesses accelerate software delivery, improve product quality, and enhance end-user experience through scalable testing and quality assurance services. The project is focused on modernizing a cloud-based quality intelligence platform and developing an AI agent orchestration system with an embedded assistant chatbot. It includes building APIs and MCP integrations, event-driven workflows, state management, secure deployment, and scalable GenAI capabilities within an AWS-based microservices environment. Responsibilities: - Designing and building scalable agentic systems and GenAI-powered applications. - Developing APIs, MCP integrations, event-driven services, and orchestration workflows. - Deploying, monitoring, and continuously improving agentic solutions in AWS production environments. - Collaborating with product and engineering teams on system architecture and technical implementation. - Designing and managing persistent state and context across long-running, multi-step agent workflows. - Optimizing orchestration for reliability, latency, and cost at scale (bulk/async operations, fan-out across microservices). Must-haves: - Experience in software engineering, building and deploying production systems, for 4+ years. - Strong proficiency in TypeScript/Node.js and Python for AI agent and orchestration development. - Hands-on production experience with GenAI, agentic, or multi-agent systems. - Production experience with real users, including failure handling, retries, token/context budget optimization, and output quality evaluation. - Experience designing APIs, microservices, event-driven architectures, orchestration workflows, and state management. - Hands-on experience with MCP (Model Context Protocol), including designing servers and tools around API/service boundaries. - Experience deploying and operating cloud-native applications using Docker and AWS (ECS/Fargate). - Level of English – from Upper-Intermediate and above. Nice-to-haves: - Production experience with LangGraph, LangChain, or similar agent frameworks. - Experience with n8n or similar low-code workflow orchestration platforms. - Experience with LiteLLM or other LLM gateway/proxy solutions, including cost optimization. - Experience with vector databases, RAG, hybrid search, re-ranking, and retrieval pipelines. - Familiarity with LLM evaluation and observability, including tracing and human-in-the-loop approaches. - Experience with Kafka and distributed, event-driven microservice architectures. 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! https://people.andersenlab.com/

🏢 Summary: Full Stack Developer role focused on modernizing a cloud-based contract and vendor management platform for public-sector and municipal organizations. The position combines Node.js backend development with Vue.js support to deliver APIs, workflow automation, compliance checks, integrations, reporting, and budget tracking. 🗂️ Requirements: 3+ years of Node.js backend development, Fundamental Vue.js experience, Banking, compliance, or audit domain experience, REST API development, State machine and background/cron job development, PostgreSQL/Supabase schema design and query optimization, Row Level Security policy implementation, Third-party API integration, Upper-Intermediate English or higher 📃 Skills: Node.js, Vue.js, REST, PostgreSQL, Supabase, SendGrid, Twilio, CSV, PDF, RLS, Cron, API, SMS 🏢 Description: Andersen is hiring a Full Stack Developer (Node.js+Vue.js) for a project modernizing a cloud-based business platform and delivering scalable solutions for contract and vendor management. Our customer is a technology provider offering cloud-based business software that helps organizations centralize information, automate workflows, and improve collaboration across teams and external partners. By replacing manual workflows with digital solutions, the company helps clients improve operational efficiency, strengthen compliance, reduce administrative workload, and enhance transparency throughout the contract lifecycle. The project is focused on migrating customers to a modern cloud-based contract and vendor management platform. It includes platform implementation, configuration, data migration, and ongoing enhancements to streamline contract, vendor, and compliance management for public sector and municipal organizations. Responsibilities: Designing RESTful APIs in Node.js for multi-role user flows (Vendors, Approvers, FMS) and build authorization logic for the Admin Impersonation feature. Implementing invoice lifecycle management (status flows, entry duplication, manual entry), API triggers for drag-and-drop CSV imports, and automated generation of Billing Export CSV files. Developing APIs for budget item calculations, plan versioning, note updates, and automated spend-versus-budget tracking with FMS notifications. Building calculation engines and automated background checks (daily, monthly, annually) for document expiration tracking, sanctions screening, and blocking invoice approvals for non-compliant vendors. Integrating SendGrid for transactional emails, SMS notifications for approval alerts, and external E-Signature services. Implementing event-driven audit logging (triggered by FMS Approval/Payment) and server-side PDF generation for single and bulk Audit Defence reports. Assisting the primary Frontend Developer by supporting secondary Vue.js admin views, dynamic tables, and form components. Must-haves: Experience in backend development with Node.js for 3+ years. Fundamental Vue.js experience to support full-stack CRUD development and maintenance. Experience in Banking/Compliance/Audits domain. Strong experience building REST APIs, state machines, and background/cron jobs. Strong PostgreSQL/Supabase skills, including schema design, query optimization, and Row Level Security (RLS) policies. Experience integrating third-party APIs, including SendGrid, Twilio, e-signature, and Sanctions APIs. Level of English – from Upper-Intermediate and above. Reasons why this job would be interesting to you: Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc.. The opportunity to change the project and/or develop expertise in an interesting business domain. Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee. The opportunity to earn up to an additional 1,000 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 Join us! https://people.andersenlab.com/

🏢 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: 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!