Fullstack .NET Developer

🏢 Summary: Fullstack Developer role focused on building and maintaining a customer-facing B2B portal in a cross-functional Agile team. The position involves backend development in Java, frontend development with JavaScript, and collaboration on scalable, high-quality solutions. The role is hybrid in Stockholm with a long-term contract and possible extension. 🗂️ Requirements: Several years of experience as a Fullstack Developer, Strong experience with Java backend development, Strong experience with JavaScript frontend development, Experience with REST APIs and system integrations, Experience with relational databases, Experience using Git and CI/CD pipelines, Experience working in Agile environments, Fluent English communication skills 📃 Skills: Java, JavaScript, REST, SQL, Git, CI/CD, Scrum, Kanban, Spring, React, TypeScript, Docker, Kubernetes, OAuth, OIDC 🏢 Description: emagine is looking for an experienced Fullstack Developer to strengthen our client’s development team. You will be part of a cross-functional product team responsible for developing, maintaining, and enhancing our client’s customer-facing B2B portal. The role requires close collaboration with Product Owners, UX, Q&A and developers to deliver scalable, high-quality solutions that improve the customer experience. Start: 27th of July Length: 19th of February with possible extension Location: Required to be on-site in Stockholm 2-3 days per week Responsibilities • Develop, test, and maintain features across the full technology stack. • Develop backend services using Java. • Develop frontend functionality using JavaScript and modern web technologies. • Participate in solution design and technical discussions. • Ensure code quality through testing, code reviews, and adherence to development standards. • Troubleshoot and resolve production issues when needed. • Contribute to continuous improvements in development practices, performance, and security. • Participate in Agile ceremonies as part of a Scrum team. Required Competencies • Several years of experience as a Fullstack Developer. • Strong experience with Java backend development. • Strong experience with JavaScript frontend development. • Experience working with REST APIs and system integrations. • Experience with relational databases. • Experience using Git and CI/CD pipelines. • Experience working in Agile development environments (Scrum/Kanban). • Strong analytical and problem-solving skills. • Excellent communication and collaboration skills. • Fluent in English, both written and spoken. Meritorious Experience with one or more of the following is considered an advantage: • Spring Boot • React • TypeScript • Docker and Kubernetes • Microservice architecture • Identity and Access Management (SSO/OAuth/OIDC) • Customer portals or B2B digital platforms • Telecommunications industry Personal Qualities We are looking for someone who is: • Proactive and self-driven. • Solution-oriented with a strong customer focus. • Comfortable working in a fast-paced environment. • A collaborative team player who shares knowledge with colleagues. • Committed to delivering high-quality software.

🏢 Summary: Fullstack Developer role focused on building web solutions and backend components using .NET and modern web technologies in an on-prem and Azure-connected environment. The position involves close collaboration within a WebDev team and delivery of solutions for a Copenhagen-based client. This is a full-time, onsite assignment starting ASAP for 3 months. 🗂️ Requirements: Expertise in .NET and .NET Core, Very strong experience with Microsoft SQL (Azure), Very strong experience with React and Node.js, Experience with Azure DevOps, Experience with Microsoft Azure development, Knowledge of Terraform 📃 Skills: .NET, .NETCore, MSSQL, Azure, React, Node.js, AzureDevOps, Terraform 🏢 Description: emagine is looking for a fullstack developer for one of our clients. As the Fullstack Developer you need to be proficient in .NET and modern web technologies to join our team based in Copenhagen. Main Task: Collaborating with team members in the WebDev group Doing web solutions and some backend On-prem work and Azure connected tasks Key Requirements Expertise in .NET / .NET Core Very experienced in Microsoft SQL (Azure) Very experienced with React / Node.js Experience with Microsoft Azure DevOps Experience in Microsoft Azure (Development areas) Knowledge in Terraform Strong personal attributes: approachable, flexible, accountable, and stable Fluent in danish Start: ASAP Duration: 3 months Workload: Fulltime + onsite Location: Copenhagen

🏢 Summary: Fullstack Developer role focused on building and maintaining web and backend solutions using .NET and modern web technologies in an on-prem and Azure-connected environment. The position involves collaboration within a WebDev team and delivery of full-time onsite work in Copenhagen for a 3-month engagement. The role requires strong expertise in Microsoft-based technologies and cloud development. 🗂️ Requirements: Expertise in .NET / .NET Core, Strong experience with Microsoft SQL (Azure), Strong experience with React, Strong experience with Node.js, Experience with Microsoft Azure DevOps, Experience with Microsoft Azure (development), Knowledge of Terraform, Valid MSDN subscription 📃 Skills: .NET, .NET Core, SQL, Azure, React, Node.js, Azure DevOps, Terraform, MSDN 🏢 Description: emagine is looking for a fullstack developer for one of our clients. As the Fullstack Developer you need to be proficient in .NET and modern web technologies to join our team based in Copenhagen. Main Task: Collaborating with team members in the WebDev group Doing web solutions and some backend On-prem work and Azure connected tasks Key Requirements Expertise in .NET / .NET Core Very experienced in Microsoft SQL (Azure) Very experienced with React / Node.js Experience with Microsoft Azure DevOps Experience in Microsoft Azure (Development areas) Knowledge in Terraform Strong personal attributes: approachable, flexible, accountable, and stable Fluent in danish Start: ASAP Duration: 3 months Workload: Fulltime + onsite Location: Copenhagen

🏢 Summary: Long-term project for a Senior/Expert .NET Developer focused on backend and API development within enterprise banking systems. The role involves developing and optimizing software solutions, working with legacy code, and providing technical leadership and mentorship. The position emphasizes high-quality standards, collaboration, and code excellence in a complex financial environment. 🗂️ Requirements: Strong knowledge of C#, Strong knowledge of .NET framework, Expertise in ASP.NET Core, Experience in API development, Experience with SQL Server design and development, Ability to analyze and troubleshoot legacy code, Solid understanding of OOP principles, Knowledge of software engineering best practices 📃 Skills: C#, .NET, ASP.NET, SQL, T-SQL, Git, Jenkins, Angular, HTML, CSS, JavaScript, Visual Studio, Postman, Swagger, Bitbucket, Bootstrap, SQL Server 🏢 Description: We’re looking for an Expert/Senior .NET Developer to join a long-term project for a leading client in the banking industry. Project Type: Enterprise banking systems – backend & API development, code optimization, and mentorship Responsibilities: Design, develop, and maintain software solutions Analyze, refactor, and troubleshoot legacy code Conduct code reviews and uphold high-quality standards Collaborate with QA and Business Analysts Mentor junior developers and provide technical leadership Must-Have Experience: Strong knowledge of C# and the .NET framework Expertise in ASP.NET Core and API development Experience with SQL Server (design & development) Ability to work with and troubleshoot legacy code Solid understanding of OOP and software engineering best practices Nice-to-Have: Familiarity with Git, Jenkins, and testing frameworks Understanding of cloud concepts & web security best practices Knowledge of frontend technologies (Angular, HTML, CSS, JavaScript) Tools & Tech Stack:Visual Studio, Postman, Swagger, Bitbucket, SQL Server Management Studio, T-SQL, Bootstrap (or similar)

🏢 Summary: The role involves developing and maintaining a large-scale open banking platform focused on secure, high-performance API integrations with European financial institutions. The position centers on backend development in .NET and Java within cloud-based, distributed systems. You will design and optimize secure connectivity solutions aligned with PSD2 standards in an international, collaborative environment. 🗂️ Requirements: Strong experience building backend services using Java and .NET, Approximately 6 years of experience in C# programming, Solid knowledge of Java programming, Strong understanding of API design, Understanding of distributed systems, Experience working in cloud environments, Experience integrating with banks via PSD2 interfaces, Ability to write clean, maintainable, testable code 📃 Skills: C#, Java, .NET, APIs, PSD2, Cloud, DistributedSystems 🏢 Description: Join an international technology team building next-generation open banking solutions used across Europe. Our platform enables secure, reliable, and high-quality connectivity to financial institutions—powering innovative products and services in the digital payments ecosystem. You will work in a highly skilled, collaborative environment alongside teammates located mainly in Denmark, Ireland, and Romania. As a .NET Developer, you will contribute to the development, improvement, and maintenance of a large-scale open banking platform. You will work on advanced API solutions focused on security, data processing, monitoring, onboarding automation, and high-performance connectivity. This role is ideal for engineers who enjoy solving complex problems, working in modern cloud environments, and collaborating with international teams. Our expectations: Strong experience in building backend services (Java + .Net). Approximately 6 years of relevant experience in C# programming. Solid knowledge in Java programming. Solid understanding of API design, distributed systems, cloud environments. Experience in establishing bank connections through PSD2 interfaces. Ability to write clean, maintainable, and testable code. Experience working in fast-paced, product-centric environments. Collaborative mindset and eagerness to work closely with product and engineering peers. Proficiency in English, fluent Polish. Hybrid work 2-3 days per week (Gdansk). Proficiency in English, fluent Polish, Hybrid work 2-3 days per week (Warsaw or Gdansk). Main responsibilities: Design, develop, and maintain APIs and integration modules connecting the platform to thousands of European banks and financial institutions. Collaborate with engineers and product stakeholders to define requirements, set acceptance criteria, and deliver solutions. Contribute to architecture by ensuring scalability, maintainability, and adherence to best practices. Maintain quality through code reviews, testing, and continuous improvement initiatives. Solve complex problems involving performance, distributed systems, and regulatory constraints.

🏢 Summary: Full‑Stack Software Developer role focused on building and enhancing a cloud‑based microservice architecture in the banking environment, integrating external systems and developing frontend and backend components. The position involves Java and Angular development, chatbot implementation, and deployment in containerized cloud environments. Remote work with occasional on‑site presence in Germany. 🗂️ Requirements: Degree in Computer Science or comparable qualification, Several years of experience with Java, Experience with Spring Boot, Experience with Angular, Knowledge of cloud architectures, Experience with Docker, Experience with OpenShift, Experience with Next.js and/or Python, Experience in banking environment 📃 Skills: Java, Spring, SpringBoot, Angular, Python, Next.js, Docker, OpenShift, GitLab, CI/CD, Microservices, Cloud, Java17 🏢 Description: Start: 01.07.2026 Dauer: Bis 31.12.2026, mit Option auf Verlängerung Ort: Remote und Karlsruhe oder Münster, ca. 1x pro Monat und alle 13 Wochen für 2-3 Tage vor Ort Wir, die emagine GmbH, suchen einen engagierten Full‑Stack Softwareentwickler (m/w/d) mit Erfahrung in Java , Angular , Python , Cloud‑Architekturen und modernen Microservices . Ihre Aufgaben: Anbindung externer Systeme an den zentralen Beraterarbeitsplatz sowie das Online‑Banking für Privatkunden Konzeption und Umsetzung von Frontend‑Modulen im zentralen Banksystem Entwicklung eines bidirektionalen Datentransfers zwischen Banksystem und externer Beratungsanwendung Mitarbeit an einer Cloud‑basierten Microservice‑Architektur (Java / Angular) Weiterentwicklung eines bestehenden Banking‑Portals (Steuerverfahren) für eine VR‑Bank Implementierung eines KI‑gestützten Chatbots in Next.js mit Python‑Backend Microservice‑Entwicklung mit Spring Boot und Java‑17 Pflege und Weiterentwicklung von Angular‑Frontend‑Komponenten Containerisierung mittels Docker Deployment auf OpenShift Code‑Versionierung und CI/CD mit GitLab Performance‑Optimierung durch Code‑Analyse und Refactoring Test‑ und Fehleranalyse im Rahmen agiler Entwicklungszyklen Ihr Profil: Abgeschlossenes Studium der Informatik oder vergleichbare Qualifikation Erfahrung im genossenschaftlichen Bankenumfeld Mehrjährige Erfahrung in Java , Spring Boot , Angular Kenntnisse in Cloud‑Architekturen , Docker , OpenShift Erfahrung mit Next.js und/oder Python Analytisches Denken, Qualitätsbewusstsein und Teamfähigkeit

🏢 Summary: Oferta dotyczy pracy B2B dla FullStack .NET & Angular Developera w branży bankowej w modelu hybrydowym z okazjonalną obecnością w biurze w Warszawie. Rola obejmuje rozwój aplikacji w technologii .NET i Angular, pracę z architekturą mikroserwisową oraz współpracę przy procesach CI/CD. Kandydat powinien posiadać doświadczenie w C#, .NET Core, Angular oraz projektowaniu REST API i testach automatycznych. 🗂️ Requirements: Doświadczenie z C#, Znajomość .NET Core, Znajomość Angular, Znajomość JavaScript, Doświadczenie w testach jednostkowych, Znajomość zasad SOLID, Znajomość wzorców projektowych, Umiejętność pracy z MSSQL, Znajomość procesów SSDLC, Znajomość narzędzi CI/CD, Doświadczenie w projektowaniu REST API, Znajomość architektury mikroserwisowej, Minimum 2-3 lata doświadczenia komercyjnego 📃 Skills: C#, .NET, Angular, JavaScript, MSSQL, REST, Microservices, CI/CD, JIRA, TeamCity, Jenkins, Git, Bitbucket, SOLID, Docker, Kubernetes, Cucumber, Redis, RabbitMQ, IBMWMQ, ElasticSearch, Splunk, Grafana, Ansible, Azure, GCP, Linux, Windows 🏢 Description: B2B, stawka 125 zł/h + VAT tryb: 1 dzień na 2 tygodnie z biura, Warszawa branża: bankowość Poszukujemy doświadczonego FullStack .NET & Angular Developera, który posiada przynajmniej 2-3 lata praktycznego doświadczenia w kluczowych technologiach. Idealny kandydat powinien mieć solidne umiejętności w zakresie C#, .NET Core oraz Angular, jak również doświadczenie w projektowaniu i wdrażaniu systemów w architekturze mikroserwisowej. Dodatkowo, wymagana jest znajomość procesów SDLC oraz narzędzi CI/CD. Zakres Obowiązków: Projektowanie i rozwijanie aplikacji w technologii .NET oraz Angular. Tworzenie testów automatycznych dla komponentów aplikacji. Wdrażanie i utrzymywanie aplikacji w architekturze mikroserwisowej. Współpraca z zespołem w celu optymalizacji procesów CI/CD. Udział w procesie przeglądów kodu oraz planowania sprintów. Kluczowe Wymagania: Praktyczna znajomość C#, .NET Core. Znajomość Angular oraz JavaScript. Doświadczenie w pisaniu testów automatycznych jednostkowych. Znajomość zasad SOLID oraz wzorców projektowych. Umiejętność pracy z MSSQL. Znajomość procesów SSDLC oraz narzędzi CI/CD (JIRA, TeamCity, Jenkins, git/bitbucket). Doświadczenie w projektowaniu REST API. Znajomość architektury mikroserwisowej. Nice to have: Znajomość C#, .NET Framework. Doświadczenie w pracy z Docker & Kubernetes. Znajomość testów automatycznych E2E (Cucumber). Znajomość takich narzędzi jak Redis, RabbitMQ, IBM WMQ, ElasticSearch, Splunk, Grafana. Znajomość Ansible na poziomie regular lub gotowość do nauki. Doświadczenie w wdrażaniu systemów na platformach chmurowych (np. Azure, GCP). Znajomość systemów operacyjnych Linux oraz Windows.

🏢 Summary: Senior Backend Developer role within a business-critical banking initiative, focused on building and modernizing backend services and batch/ETL solutions in a highly regulated environment. The position involves developing scalable Java/Spring-based applications, integrations, and data processing flows in a SAFe agile setup. It requires on-site work in Stockholm with potential extension beyond the initial contract period. 🗂️ Requirements: 8–10+ years of professional backend development experience, Strong hands-on experience with Java and Spring Boot, Experience with JPA and service-oriented architecture, Strong experience with Kafka and REST APIs, Experience with Microsoft SQL Server (MSSQL), Experience working in Linux environments, Experience with CI/CD tools (Bitbucket, Jenkins, Artifactory), Knowledge of Kubernetes, Experience with authentication/security frameworks (JWT), Strong experience with Spring Batch (mandatory for batch-focused role), Experience with Apache Camel and stored procedures, Experience with integrations across APIs, messaging platforms, and legacy systems 📃 Skills: Java, Spring, SpringBoot, SpringBatch, JPA, Kafka, REST, MSSQL, SQL, Linux, Kubernetes, Bitbucket, Jenkins, Artifactory, JWT, ApacheCamel, Vert.x, Lucene, Memcache, Caffeine, .NET, Splunk, AppDynamics, Sysdig, Grafana 🏢 Description: emagine are looking for three Senior Backend Developers to join a business-critical development initiative in a complex and highly regulated environment for our client within the banking industry. Start: 2026-06-08 End: 2026-11-30 (extension could be possible) Location: Stockholm, min 3 days/week at the office We are seeking experienced and proactive developers with 8–10+ years of professional experience , who can quickly become productive after onboarding and work both independently and collaboratively within a SAFe-based agile setup . Two of the consultant roles will have a strong focus on backend development with Java, Spring Boot, and databases , while the third role will focus more heavily on batch processing and ETL flows , where Spring Batch is a key requirement. Key Responsibilities Design, develop, and maintain backend applications and integrations Build and optimize scalable services using Java and Spring Boot Develop and maintain batch and ETL processes Work with integrations across APIs, messaging platforms, and legacy systems Support modernization initiatives and migration towards new technical platforms Collaborate with cross-functional teams in a SAFe environment Ensure high standards within security, performance, and maintainability Required Competence Backend Development Strong hands-on experience in Java and Spring Boot Experience with JPA and service-oriented architecture Experience with Kafka and REST APIs Knowledge of Vert.x, Lucene, Memcache, Caffeine , or .NET is considered an advantage ETL / Batch Processing Strong experience with Spring Batch (mandatory for one of the roles) Experience with Apache Camel and stored procedures Databases Solid experience with Microsoft SQL Server (MSSQL) Platform & Runtime Experience working in Linux environments Knowledge of Kubernetes and platform modernization initiatives CI/CD & DevOps Experience with Bitbucket, Jenkins, and Artifactory Security & Monitoring Experience with authentication/security frameworks such as JWT Familiarity with audit logging and monitoring tools such as Splunk, AppDynamics, Sysdig, and Grafana Integrations Strong experience with Kafka and REST-based integrations Experience working with mainframe integrations , file-based integrations, and legacy adapters is highly valued Consultant Profile We are looking for outgoing, senior consultants who are comfortable taking ownership and working with minimal supervision after the initial introduction period. The ideal candidate is technically strong, communicative, and thrives in both independent work and collaborative agile team environments.

🏢 Summary: Oferta dotyczy pracy dla Fullstack Developera .NET w modelu B2B z pracą hybrydową w Warszawie. Rola obejmuje rozwój aplikacji webowych w .NET Core i Angular, pracę z bazami danych SQL Server oraz wdrażanie testów i rozwiązań konteneryzacyjnych. Kandydat będzie współpracował przy utrzymaniu i projektowaniu systemów w środowisku Agile. 🗂️ Requirements: Minimum 5 lat doświadczenia w inżynierii oprogramowania, Zaawansowana znajomość C#, Bardzo dobra znajomość .NET Core, .NET, Znajomość Angular, Znajomość TypeScript, Doświadczenie z Microsoft SQL Server, Znajomość Docker, Znajomość Kubernetes, Umiejętność pracy z Visual Studio, Znajomość GIT, Znajomość JIRA, Znajomość TeamCity, Umiejętność pracy w Agile, Znajomość języka angielskiego umożliwiająca czytanie dokumentacji technicznej 📃 Skills: C#, .NET, Angular, TypeScript, SQL, Docker, Kubernetes, VisualStudio, GIT, JIRA, TeamCity, PowerShell, Bash 🏢 Description: Model pracy: raz na dwa tygodnie z biura w Warszawie Stawka: 140 PLN/h netto + VAT Forma współpracy: kontrakt B2B Poszukiwany Fullstack Developer .NET z co najmniej 5-letnim doświadczeniem w inżynierii oprogramowania, którym cechuje umiejętność programowania w C# z wykorzystaniem .NET Core. Idealny kandydat zaprezentuje praktyczną znajomość nowoczesnych technologii, w tym Angular oraz technik konteneryzacji. Nasz zespół stawia na innowacje i rozwój, a Twój wkład będzie miał kluczowe znaczenie w dostarczaniu wysokiej jakości rozwiązań. Główne odpowiedzialności: Projektowanie i programowanie aplikacji webowych przy użyciu .NET Core oraz Angular. Tworzenie relacyjnych baz danych oraz zarządzanie nimi przy pomocy Microsoft SQL Server. Implementacja i automatyzacja testów jednostkowych i e2e. Praca w metodykach Agile oraz analizy wymagań użytkowników. Utrzymanie oraz rozwój istniejących systemów informatycznych. Współpraca z zespołem w zakresie architektury i projektowania systemów. Wymagania kluczowe: Zaawansowana znajomość języka C# oraz frameworka .NET. Znajomość Angular oraz TypeScript w kontekście projektowania front-endu. Doświadczenie w projektowaniu relacyjnych baz danych z wykorzystaniem Microsoft SQL Server. Znajomość konteneryzacji za pomocą Docker oraz Kubernetes (k8s). Umiejętność korzystania z narzędzi takich jak Visual Studio, GIT, JIRA, TeamCity. Angielski na poziomie umożliwiającym czytanie dokumentacji technicznej. Mile widziane: Certyfikaty potwierdzające umiejętności programowania, np. MCTS w technologii .NET. Znajomość narzędzi PowerShell oraz Bash.

🏢 Summary: Contract opportunity for a Frontend / Fullstack Engineer to build and optimize public-facing web experiences with a strong focus on performance, SEO, and conversion. You will develop new pages and features using modern frontend technologies while collaborating across product, marketing, and SEO. The role also involves experimentation, CMS development, and platform improvements. 🗂️ Requirements: 4+ years of experience in modern frontend development, Strong skills in React, Strong skills in TypeScript, Strong skills in HTML, Strong skills in CSS, Experience with Next.js or similar frameworks, Solid understanding of SEO, Solid understanding of web performance, Experience with headless CMS platforms, Experience with experimentation and data-driven product development, Ability to collaborate with multiple stakeholders 📃 Skills: React, TypeScript, HTML, CSS, Next.js, SEO, CoreWebVitals, Contentful, Tailwind, GCP, Optimizely, Hotjar, Mixpanel, Smartling, Lokalise 🏢 Description: emagine is looking for a Frontend / Fullstack Engineer to join a web performance and acquisition team. Start: mid-August 2026 End: December 31, 2026 Location: Required 4 days on-site presence in Stockholm About the role You will work on public-facing web surfaces where first impressions are created. The focus is on performance, SEO, and conversion, as well as building new pages and features that drive growth. The team operates at the intersection of product, marketing, and SEO. Key responsibilities Build and improve public web pages and landing pages Work primarily with React, TypeScript, and Next.js Support and develop CMS solutions (Contentful) Ensure strong SEO, Core Web Vitals, and overall performance Drive A/B testing and CRO initiatives Support localization workflows and tooling Contribute to platform ownership and improvements Requirements 4+ years of experience in modern frontend development Strong skills in React, TypeScript, HTML, and CSS Experience with Next.js or similar frameworks Solid understanding of SEO and web performance Experience working with CMS platforms (preferably headless) Experience with experimentation and data-driven product development Strong collaboration skills across multiple stakeholders Nice to have Deep experience with Contentful Familiarity with Tailwind CSS Experience with GCP Experience with tools like Optimizely, Hotjar, Mixpanel Experience with localization tools such as Smartling or Lokalise