Full Stack udvikler

🏢 Summary: Senior .NET Backend developer role for a business-critical project focused on building, maintaining and optimizing backend solutions and system integrations. The consultant will design and implement REST services, ensure secure authentication/authorization, and maintain high code quality across development and operations. The position involves performance optimization, monitoring improvements, and close collaboration with architects and development teams. 🗂️ Requirements: Strong experience with .NET and C#, Experience developing REST APIs and integrations, Experience with OAuth2, OpenID Connect or JWT, Experience with authentication and authorization mechanisms, Experience handling JSON, XML and CSV formats, Focus on Clean Code and maintainable solutions, Experience with test automation and quality assurance, Experience with logging, monitoring and production troubleshooting, Experience with performance analysis and optimization 📃 Skills: .NET, C#, REST, OAuth2, OpenID, JWT, JSON, XML, CSV, CI/CD, Azure, Logging, Monitoring, Testing, Performance 🏢 Description: Senior .NET Backend Udvikler Opgaven På vegne af en af vores kunder søger vi en erfaren Senior .NET Backend Udvikler til et forretningskritisk udviklingsforløb. Konsulenten bliver en del af et udviklingsteam med ansvar for udvikling, vedligeholdelse og optimering af backend-løsninger samt integrationer til interne og eksterne systemer. Der søges en profil, der kan arbejde selvstændigt, bidrage til arkitektur- og designbeslutninger samt sikre høj kvalitet i leverancerne gennem hele udviklings- og driftsprocessen. Ansvarsområder Udvikling af backend-løsninger i .NET/C# Design og implementering af REST-baserede services og integrationer Arbejde med autentifikation, autorisation og token-baserede sikkerhedsløsninger Håndtering af forskellige filformater og dataudveksling mellem systemer Fokus på kodekvalitet, maintainability og best practices Implementering og forbedring af logging, monitorering og alarmering Test, fejlsøgning og performanceoptimering Bidrage til stabil drift og løbende forbedringer af eksisterende løsninger Samarbejde tæt med forretning, arkitekter og øvrige udviklingsteams Krav til kompetencer Skal-have Solid erfaring med .NET og C# Erfaring med udvikling af REST API’er og integrationer Erfaring med OAuth2, OpenID Connect, JWT eller tilsvarende teknologier Erfaring med autentifikation og autorisation Erfaring med håndtering af filformater som JSON, XML og CSV Fokus på kodekvalitet, Clean Code og maintainable løsninger Erfaring med testautomatisering og kvalitetssikring Erfaring med logging, monitorering og fejlsøgning i produktionsmiljøer Erfaring med performanceanalyse og optimering Flydende dansk i skrift og tale Fordelagtigt Erfaring med Azure-platformen Erfaring med CI/CD pipelines Erfaring fra finans-, pensions- eller forsikringsområdet Erfaring med observability-værktøjer og Application Monitoring Personlige kvalifikationer Selvstændig og proaktiv Struktureret og kvalitetsbevidst Stærke samarbejdsevner God til at kommunikere med både tekniske og forretningsmæssige interessenter Tager ansvar for opgaver fra analyse til implementering og drift Praktisk information Opstart: Hurtigst muligt Varighed: 3 måneder med mulighed for forlængelse Lokation: København Tilstedeværelse: Onsite minimum 5 dage om ugen

🏢 Summary: Part-time Frontend Developer role focused on building and modernizing user-facing applications as part of a database modernization project. Responsibilities include developing forms, search and reporting pages, and integrating frontend solutions with REST APIs. The role also involves driving UX processes and strengthening React and Next.js practices within the team. 🗂️ Requirements: Proven experience with React and Next.js, Experience integrating REST APIs (JSON/OpenAPI), Experience with UX tools for prototyping and user testing, Proficiency with Git and GitLab for version control, Experience working with Kanban boards, Ability to integrate frontend solutions with backend services, Experience with user involvement and iterative testing 📃 Skills: React, Next.js, REST, JSON, OpenAPI, Git, GitLab, Kanban, UX, Prototyping, UserTesting, Java, Databases 🏢 Description: emagine søger lige nu en Frontend Udvikler til en af vores kunder. Projektet ved kunden, har til formål at modernisere kundens database. Hovedansvarsområder Konsulenten skal bidrage til udviklingen af brugervendte applikationer. Herunder bl.a.: En indberetningsformular til registrering af boringer En moderniseret søgeside, der giver adgang til data fra databasen Rapport- og detaljesider til visning af data for enkelte entitete Et indgangswebsite med beskrivelse og dokumentation af systemet. Konsulenten forventes at arbejde tæt sammen med det øvrige team og skal kunne koble frontend-løsningerne til eksisterende og kommende backend-tjenester i form af REST API'er. Ud over selve udviklingsopgaverne, forventes konsulenten at bidrage proaktivt til at etablere og drive UX-processer i teamet, herunder brugerinddragelse, prototyping og iterativ afprøvning af løsninger. Det er desuden et ønske, at konsulenten aktivt bidrager til at styrke teamets kompetencer inden for React og Next.js gennem sparring og videndeling i det daglige arbejde. Nøglekrav Erfaring med React og Next.js Erfaring med REST API-integration (JSON/OpenAPI) Erfraring med UX-værktøjer til prototyping og brugertest Git/GitLab til versionsstyring og projektopfølgning via kanban-boards Kendskab til Java-backend og databaseintegration er en fordel, men ikke et krav. Erfaring med brugerinddragelse og iterativ afprøvning. Opstart: 4 august 2026 Varighed: 5 mdr. Workload: Deltid, onsite. Ca. 21 timer om ugen, fordelt på 3 dage, med deltagelse i daglige stand-ups på de tre faste projektdage. Lokation: København

🏢 Summary: Senior Full-stack .NET Engineer role focused on building a scalable warehouse management solution using Blazor and modern .NET technologies. The position involves full-cycle development, technical planning, and ensuring high-quality delivery through testing, CI/CD, and monitoring practices. You will collaborate closely with cross-functional teams to design robust, future-proof backend and frontend systems. 🗂️ Requirements: Strong proficiency in C#, .NET Core and .NET Framework experience, Experience with Blazor, Understanding of Clean Code principles, Knowledge of DDD and CQRS, Experience with CI/CD pipelines, Experience with PostgreSQL and SQLite, Hands-on experience with Docker, Knowledge of RabbitMQ and MassTransit, Experience with gRPC, Experience with Unit Testing and Integration Testing, Proficiency with Git 📃 Skills: C#, .NET, Blazor, DDD, CQRS, CI/CD, PostgreSQL, SQLite, Docker, RabbitMQ, MassTransit, gRPC, Git, UnitTesting, IntegrationTesting 🏢 Description: We are looking for a Senior Full-stack .NET Engineer with Blazor to join our team. Our Client is a leading provider of automated storage and logistics systems. Together with N-iX and client engineers, you will work on developing a comprehensive, scalable, and efficient solution to meet the evolving needs of modern warehouse management, ensuring a robust, future-proof operational environment. Responsibilities: Actively engaging in development meetings to stay abreast of new technologies and understand the company's vision and objectives. Playing a key role in technical planning meetings, collaborating with colleagues to discuss user stories and decompose tasks with the end result in mind. Ensuring the delivery of high-quality products through meticulous practices such as documentation, code reviews, unit tests, API tests, and comprehensive monitoring. Collaborating closely with the product manager to ensure the team's clear understanding of the project's purpose. Proactively escalating issues to the Head of Development when assistance is required. Aligning with the team's goals during daily stand-up meetings. Advocating for improvement suggestions during retrospective meetings that lead to positive changes. Requirements: Strong proficiency in C#, .NET Core, and .NET Framework Experience with the Blazor framework Solid understanding of Clean Code, DDD, and CQRS principles Practical knowledge of CI/CD pipelines Experience with PostgreSQL and SQLite Hands-on familiarity with Docker Knowledge of RabbitMQ and MassTransit Practical experience with gRPC Strong skills in Unit Testing and Integration Testing Proficiency with Git We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers

🏢 Summary: Experienced frontend, backend, and full-stack developers are sought for a strategic modernization project in the financial sector focused on migrating business payment solutions to a modern Angular-based platform. The role involves rewriting and implementing existing functionality, integrating services and APIs, and delivering regulatory requirements such as Verification of Payee (VOP) and STEP2. Consultants will work in a dedicated microteam and contribute from day one in a complex, service-oriented environment. 🗂️ Requirements: Proven experience with Angular development, Experience with modern service-based architectures, Experience with integrations and API-based solutions, Experience with migration or modernization projects, Ability to understand and work with existing legacy solutions, Fluency in Danish (written and spoken) 📃 Skills: Angular, Horizon, API, REST, VOP, STEP2, Mosaic, Kirby 🏢 Description: På vegne af en kunde i den finansielle sektor søger vi 2-3 erfarne udviklingskonsulenter til et strategisk moderniseringsprojekt. Vi søger både frontend-, backend- og full-stack udviklere, som hurtigt kan sætte sig ind i eksisterende løsninger og bidrage fra første dag. Du bliver en del af et dedikeret microteam, der skal migrere eksisterende erhvervsbetalingsløsninger fra en ældre platform til en moderne Angular-baseret løsning. Projektet omfatter samtidig implementering af nye regulatoriske krav, herunder Verification of Payee (VOP) og STEP2. Primære ansvarsområder Omskrivning af eksisterende løsninger til en moderne Angular/Horizon-platform Analyse og afklaring af eksisterende funktionalitet Implementering af eksisterende funktionalitet i de nye løsninger Implementering af Verification of Payee (VOP) og STEP2-relaterede krav Udvikling af frontend- og backend-komponenter Integration mod eksisterende services og API'er Sikring af overholdelse af gældende arkitekturprincipper og udviklingsstandarder Samarbejde med forretning, arkitektur, UX og øvrige udviklingsteams Kvalifikationer Erfaring med Angular-udvikling Erfaring med moderne servicebaserede arkitekturer Erfaring med integrationer og API-baserede løsninger Erfaring med migrerings- eller moderniseringsprojekter Evne til hurtigt at sætte dig ind i eksisterende løsninger og domæner Flydende dansk i skrift og tale Det er en fordel, hvis du har Erfaring fra betalingsområdet Erfaring med VOP-relaterede løsninger Erfaring med STEP2 Erfaring med Horizon Services Erfaring med Mosaic og Kirby Praktisk information Startdato: 1. september 2026 Forventet slutdato: 31. december 2026 Option på forlængelse i Q1 2027

🏢 Summary: Java developer role focused on further development and modernization of a complex integration and data platform, including new development and migration to a newer platform. The position involves backend development with API integrations, test automation, and close collaboration on architecture and best practices. The assignment runs from July 2026 to June 2027 with full-time workload in Copenhagen. 🗂️ Requirements: Strong experience in Java backend development, Experience with automated unit and integration testing, Experience with CI/CD pipelines and build/deploy automation, Experience with code quality assurance practices, Understanding of DevOps principles, Experience working in structured operational and delivery setups 📃 Skills: Java, Backend, API, UnitTesting, IntegrationTesting, CI/CD, DevOps, Automation, Build, Deployment 🏢 Description: Vi søger stærke Java-udviklere til videreudvikling og modernisering af en kompleks integrations- og dataplatform. Opgaven spænder over nyudvikling, videreudvikling af eksisterende løsninger samt migrering til en nyere platform. Dine opgaver: - Analyse og udarbejdelse af løsningsforslag - Udvikling af funktionel og gennemtestet kode (primært backend – evt. fullstack afhængigt af profil), inkl. API-integrationer - Bidrage til udvikling af nye generiske moduler - Migrering af eksisterende funktionalitet til ny platform - Testautomatisering og komponenttest - Dokumentation - Samarbejde om arkitektur og best practices - Identificere og reducere teknisk gæld - Vidensdeling i teamet Vi forestiller os, at du har erfaring med: - Solid Java-baseret backend-udvikling - Automatiserede tests (unit- og integrationstest) - CI/CD pipelines og build/deploy automation - Kvalitetssikring af kode - DevOps-principper - Drift og leverancer i strukturerede setups Det er en fordel, hvis du har: - Erfaring med migrering mellem teknologiplatforme - Arbejdet i større, regulerede eller procesdrevne organisationer Startdato: 01.07.2026 Slutdato: 30.06.2027 Workload: 100%

🏢 Summary: Short-term contract for a MES Developer to develop and enhance Manufacturing Execution Systems using C# and .NET. The role focuses on digitalizing and optimizing production processes through backend development and system integrations with production equipment, ERP systems, and databases. Engagement is 4–6 months with possible extension, based in Høje Taastrup. 🗂️ Requirements: Strong C# skills, Solid .NET experience, Experience with MES systems, Experience with databases, Experience with system integration 📃 Skills: C#, .NET, MES, SQL, ERP, Cloud, Backend, Integration 🏢 Description: MES Udvikler (C# / .NET) Vi søger en dygtig udvikler til udvikling og videreudvikling af MES-løsninger (Manufacturing Execution Systems). Du bliver en central del af arbejdet med at digitalisere og optimere produktionsprocesser gennem moderne softwareløsninger baseret på C# og .NET. Dine arbejdsopgaver Udvikling og vedligeholdelse af MES-systemer Integration mellem produktionsudstyr, ERP-systemer og databaser Udvikling af backend-løsninger i C# og .NET Nøglekrav Stærke færdigheder i C# Solid erfaring med .NET Kendskab til MES-løsninger Erfaring med databaser Evne til at integrere systemer effektivt Nice to Have Erfaring med ERP-systemer Kendskab til brug af cloud-løsninger Start: ASAP Varighed: 4-6 måneder + mulighed for forlængelse Location: Høje taastrup

🏢 Summary: Seeking an OutSystems developer to work on low-code development projects using the OutSystems platform, including solution design and implementation. The role requires strong OutSystems expertise, database and integration knowledge, and experience with visual drag-and-drop development tools. 🗂️ Requirements: Documented experience with OutSystems, Strong low-code development skills, Ability to work with visual drag-and-drop tools, Solid understanding of databases, Solid understanding of integrations, OutSystems certifications 📃 Skills: OutSystems, Low-code, Databases, Integrations 🏢 Description: Vi søger en OutSystems Udvikler til en af vores kunder. OutSystems kompetencer og certificeringer er essentielle for succes i denne rolle. Primære Ansvarsområder: Forstå og anvende OutSystems platformens funktionaliteter til udviklingsprojekter. Efter behov involvere sig i design og implementering af løsninger. Nøglekrav: Dokumenteret erfaring med OutSystems. Stærke færdigheder i low-code udvikling. Evne til at arbejde med visuelle "træk-og-slip" værktøjer. Solid forståelse for databaser og integrationer. Certificeringer relateret til OutSystems er en fordel. Ønskelige Kvalifikationer: Kendskab til relaterede teknologier og platforme.

🏢 Summary: Freelance Senior Fullstack Developer role focused on designing and developing new features and modules for an ERP system on Microsoft Azure. The position involves backend-heavy development with C# and .NET, frontend work with Vue, and cloud-based architecture and deployment. Contract runs through the end of 2026 with possible extension. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science or related field, Proven backend-focused experience as Software Engineer, Strong experience with C# and .NET, Experience with Vue2 or Vue3, Good knowledge of HTML5 and CSS, Experience with nHibernate and REST APIs, Hands-on experience with Microsoft Azure services, Experience with Azure Compute and Azure Data services, Experience with Azure Logic Apps and Azure Service Bus, Knowledge of Azure AI, Experience with Docker and containers, Strong SQL expertise including database design and optimization, Experience with MSSQL or PostgreSQL, Experience with Git version control, Experience with Azure DevOps and CI/CD pipelines, Understanding of software design patterns and best practices, Experience working in Agile/Scrum environment 📃 Skills: C#, .NET, Vue2, Vue3, HTML5, CSS, nHibernate, REST, Azure, AzureCompute, AzureData, LogicApps, ServiceBus, AzureAI, Docker, Containers, SQL, MSSQL, PostgreSQL, Git, AzureDevOps, CICD 🏢 Description: We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ERP system. Form of cooperation: freelance project-specific B2B contract with an estimated duration through the end of 2026 , offering the potential for extension based on project needs and performance. Requirements: Bachelor’s or master’s degree in computer science, Software Engineering, or a related field Proven experience as a Software Engineer with a significant focus on backend development Good experience with C#, .NET and Vue2/Vue3 Good knowledge on HTML5 / CSS, nHibernate and REST APIs Cloud experience on Azure (cloud functions, messaging, storage) Docker / containers Expertise in SQL, including database design, query optimization, performance tuning, and working with relational database management systems (e.g., MSSQL and PostgreSQL) Familiarity with agile development methodologies and working in a scrum team Strong proficiency in Microsoft Azure services, including but not limited to: Azure Compute services and Azure Data services. Integration services (e.g., Azure Logic Apps, Azure Service Bus) Knowledge of Azure AI Solid understanding of software development principles, design patterns, and best practices Experience with version control systems (e.g., Git) Excellent problem-solving and analytical skills Strong communication and collaboration skills, with the ability to effectively communicate technical concepts to both technical and non-technical stakeholders Fluency in English, both written and spoken. Main responsibilities: Design, develop, and deploy robust and scalable applications and services on Microsoft Azure Collaborate with product owners, designers, and other engineers to understand requirements and translate them into technical solutions Participate in architectural discussions and contribute to the evolution of our system design on Azure Ensure the performance, reliability, and security of our applications and infrastructure Troubleshoot and resolve complex technical issues Write clean, well-documented, and testable code Contribute to and utilize Azure DevOps for CI/CD pipelines and infrastructure as code Stay up to date with the latest trends and technologies in Azure and related areas

🏢 Summary: Senior .NET Developer role focused on building and maintaining extended functionalities within a distributed, cloud-based system. The position involves working with modern .NET technologies, Angular, cloud platforms, and microservices architecture in an Agile/Scrum environment. The role requires close collaboration with stakeholders while applying clean code and best development practices. 🗂️ Requirements: Bachelor’s degree or Microsoft .NET certification, Strong experience with .NET and C#, Experience with ASP.NET Core and Web API, Experience with Angular (2+), Experience with Azure or AWS, Experience with microservices and distributed systems, Experience with PostgreSQL and SQL Server, Experience with database migrations, Experience with GitHub, Knowledge of SOLID and DRY principles, Fluent English (written and spoken) 📃 Skills: .NET, C#, ASP.NET, Angular, Azure, AWS, Microservices, Kafka, PostgreSQL, SQL, GitHub, WebAPI 🏢 Description: We are looking for a Senior .Net Developer . Responsibility: Develop and maintain extended functionalities Collaborate closely with internal and external consultants, as well as key business stakeholders Work with technologies including Angular (2+), Azure/AWS Cloud, and the .NET stack (.NET 8/9, ASP.NET Core, C#, Web API), along with microservices and distributed systems, Kafka (or similar messaging tools), and databases such as PostgreSQL and SQL Server Actively participate in daily stand-ups, sprint reviews, and planning sessions with Danish colleagues, contributing to continuous improvement of the Scrum process To succeed in this role, you: Hold a relevant bachelor’s degree or a Microsoft certification related to .NET Apply clean code principles and best practices such as SOLID and DRY, with a strong object-oriented mindset Have proven experience in Microsoft .NET (C#), GitHub, PostgreSQL, and database migrations Communicate fluently in English, both written and spoken

🏢 Summary: Full-stack freelance role focused on building scalable, cloud-native applications using .NET and Angular within the Azure ecosystem. The position involves translating complex business requirements into high-quality software solutions while applying modern architectural patterns and Agile delivery practices. The contract is project-based B2B for an initial 12-month period. 🗂️ Requirements: 4+ years experience with .NET technologies (C#, .NET Core, EF/ORM, WCF), 3+ years experience with Angular or strong React background with recent Angular experience, 2+ years hands-on experience with Azure services (Functions, Logic Apps, Web Apps), Advanced knowledge of architectural and design patterns, Experience with SOAP and REST web services, Experience with SQL and SQL Server, Experience with Git and CI/CD pipelines, Experience with Unit Testing, Fluent English 📃 Skills: .NET, .NETCore, C#, EntityFramework, ORM, WCF, Angular, React, Azure, Functions, LogicApps, WebApps, SQL, SQLServer, Git, CI/CD, SOAP, REST, Agile, UnitTesting 🏢 Description: Join an international team of experts delivering high-impact software solutions for global clients. In this role, you will work in a full-stack capacity, translating complex business requirements into scalable, cloud-native applications. You will collaborate with top-tier professionals to design and implement innovative solutions that address real-world engineering challenges while ensuring the highest industry standards. Form of cooperation: freelance project-specific B2B contract for an initial period of approximately 12 months. Tech stack: Backend: .NET / .NET Core, C#, Entity Framework (or other ORM), WCF, SOAP/REST APIs. Frontend: Angular (primary), React. Cloud: Azure (Functions, Logic Apps, Web Apps, SQL Server). Data: SQL Server. DevOps/Tools: Git, CI/CD, Agile, Unit Testing. Requirements: 4+ years of professional experience with .NET technologies (C#, .NET Core, EF/ORM, WCF) 3+ years of experience in Angular (or strong React background with recent Angular experience) 2+ years of hands-on experience with Azure services (e.g., Functions, Logic Apps, Web Apps) Advanced knowledge of Architectural and Design Patterns Proficiency in Web Services (SOAP/REST) and SQL Experience with Git, Continuous Integration, and Continuous Delivery pipelines Fluent English (written and spoken) for effective international communication Ideally, you’ll also have: Azure Cloud certifications Main responsibilities: Full-Stack Development: Address complex software engineering problems using both object-oriented and functional programming styles. Quality Assurance: Maintain high standards of code quality and testing through Clean Code and Unit Testing practices. Cloud Engineering: Design and develop scalable solutions utilizing a wide range of Azure-hosted services and tools. Agile Delivery: Implement Agile methodologies and modern software delivery techniques, including CI/CD and automated deployment. Professional Growth: Proactively adopt new technologies and frameworks within the Azure Cloud ecosystem to drive project success.