Lead Developer/ Senior Backend Developer (.NET)

🏢 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: 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 .NET Developer role for a Nordic banking client, focused on developing and maintaining C#/.NET APIs and modern Angular-based SPAs in a cloud-native environment. The position involves working with OpenShift, containers, and CI/CD pipelines in an agile setup, with a hybrid work model in Stockholm. The assignment runs from June 2026 to June 2027. 🗂️ Requirements: Extensive experience with C# and .NET / .NET Framework (8–10), Experience developing C# .NET SPAs running on OpenShift, Experience building C# .NET APIs, including composite APIs, Strong experience with modern Angular (not AngularJS), Solid knowledge of JavaScript and TypeScript, Experience in both backend and frontend development, Hands-on experience with Docker, Kubernetes, OpenShift, Experience with GitHub and GitHub Actions, Experience with CI/CD pipelines, Experience working in agile development environments, Understanding of modern software engineering principles 📃 Skills: C#, .NET, Angular, JavaScript, TypeScript, Docker, Kubernetes, OpenShift, GitHub, GitHubActions, CI/CD, SPA, API 🏢 Description: emagine is looking for a Fullstack .NET Developer to one of our nordic banking clients. Start: 2026-06-17 End: 2027-06-30 Location: Stockholm (3 days onsite, 2 days remote) Required Skills & Experience Extensive experience in C# and .NET / .NET Framework (versions 8–10)Developer experience in C# .NET Frontend Single-Page Applications (SPA) running on OpenShift Developer experience in C# .NET APIs, preferably within composite APIs consuming other APIs Strong experience from projects involving changes in both Frontend SPAs and APIs Strong experience with Angular (preferably modern Angular frameworks, not legacy AngularJS) Solid knowledge of JavaScript and TypeScript Experience in both back-end and front-end development Hands-on experience with: Docker Kubernetes OpenShift Experience using: GitHub GitHub Actions CI/CD pipelines Experience working in agile development environment. Strong understanding of modern software engineering principles and best practices Meritorious Experience from development projects within banking or financial services Experience working in regulated or large enterprise environments Experience with scalable API architectures and integrations

🏢 Summary: Full-remote B2B contract for a Backend Developer responsible for building, modernizing, and optimizing API backends using .NET and SQL Server. The role focuses on upgrading legacy systems, including a major SQL Server upgrade, and ensuring high performance and scalability of backend and database layers. The position requires independent ownership of backend, automation, and database-related tasks. 🗂️ Requirements: Strong experience with .NET and C# in backend/API development, Strong hands-on experience with Microsoft SQL Server, Experience with performance tuning, Experience writing complex SQL queries, Experience creating and maintaining stored procedures, Experience in database optimization, Experience modernizing legacy systems, Strong automation experience, Ability to independently manage backend and database responsibilities, Minimum 5+ years of professional experience 📃 Skills: .NET, C#, SQL, SQLServer, T-SQL, APIs, PerformanceTuning, StoredProcedures, DatabaseOptimization, Automation, ClassicASP, VBScript 🏢 Description: Emagine is looking for a strong backend developer with experience in .Net and SQL Server to build and upgrade API backends. Basic information: Full Remote Role Long Term B2B Contract Rate: 160 pln/h + VAT Main Responsibilities: Take ownership of API backend development using .NET / C#. Read and understand existing legacy application logic and translate it into modern, well-structured API endpoints. Lead and support the upgrade of SQL Server (from 2007 to 2025) within the project. Design, optimize, and maintain complex SQL queries, stored procedures, and database structures. Ensure high performance and scalability of the backend and database layer. Work independently on backend, automation, and database-related tasks (no dedicated DBA in the team). Contribute to backend architecture decisions and system improvements. Key Requirements: Strong experience with .NET / C# (backend/API development). Strong hands-on experience with Microsoft SQL Server . Proven experience in: Performance tuning Writing complex queries Stored procedures Database optimization Experience working on modernization of legacy systems. Strong background in automation. Ability to work independently and take full ownership of backend and database responsibilities. Minimum experience: Mid-level: 5+ years Senior: 10+ years Nice to Have: Experience with legacy technologies (e.g., Classic ASP / VBScript). Experience with large-scale database upgrades or migrations.

🏢 Summary: Mid-level Fullstack Engineer role focused on building and enhancing customer-facing mobile and web applications within a cloud-native, data-intensive environment. The assignment involves developing backend services and event-driven microservices, integrating with AWS and messaging systems, and ensuring system reliability and observability. The position supports high-transaction, business-critical workflows in a cross-functional product team. 🗂️ Requirements: 4–6 years of software development experience, Strong experience with TypeScript, Strong experience with Node.js, Strong experience with React Native, Experience with event-driven architectures, Experience with distributed systems, Experience with PostgreSQL and/or DynamoDB, Experience with Kafka and SQS, Experience with AWS including S3, Experience with monitoring and observability tools, Experience developing mobile and web applications, Experience with data-intensive applications and complex workflows 📃 Skills: TypeScript, Node.js, React, ReactNative, Kafka, SQS, AWS, S3, PostgreSQL, DynamoDB, Datadog, Microservices 🏢 Description: emagine is looking for a Mid level Fullstack Engineer to join a product development team building and enhancing customer-facing digital services. The assignment involves developing mobile and web applications, contributing to backend services, and working with modern cloud-native technologies in a scalable and data-intensive environment. You will collaborate closely with Product Managers, Designers, and Engineers to deliver high-quality solutions that support business-critical workflows and customer experiences. Start: ASAP (within a few week) Duration: 1 year to start with Location: Stockholm, min 2-3 days/week at the office Wha you will do Develop and maintain applications using React Native, TypeScript, and Node.js. Contribute to the development of event-driven micro services and backend services. Build and maintain integrations using Kafka, SQS, and AWS services. Develop solutions that handle high transaction volumes and complex data flows. Support system reliability, monitoring, and observability initiatives. Work closely with cross-functional teams throughout the product development lifecycle. Participate in experimentation, feature flagging, and A/B testing activities. Profile: 4–6 years of experience in software development. Strong experience with TypeScript, Node.js, and React Native. Experience working with event-driven architectures and distributed systems. Experience with PostgreSQL and/or DynamoDB. Familiarity with Kafka and SQS. Experience with AWS, including S3. Experience using Datadog or similar monitoring and observability tools. Experience developing mobile and web applications. Experience working with data-intensive applications and complex workflows. Experience from fintech or another regulated industry is highly desirable. Familiarity with modern software delivery practices, including feature flags and A/B testing.

🏢 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: Senior Angular Frontend Developer role focused on enhancing and implementing new navigation systems for mobile and online banking platforms. The position involves working with large codebases in a financial environment, integrating REST APIs, and ensuring high standards of accessibility and code quality. This is a full-time, 6-month contract with onsite work in Copenhagen. 🗂️ Requirements: 4+ years of frontend engineering experience, Proficiency in Angular, Strong knowledge of TypeScript, Strong understanding of HTML, Strong understanding of CSS, Experience integrating RESTful APIs, Experience with web accessibility standards (WCAG), Experience working with Agile methodologies, Experience in the financial sector 📃 Skills: Angular, TypeScript, HTML, CSS, REST, WCAG, Agile 🏢 Description: emagine are currently looking for 5 Senior Angular Frontend Developers for one of our financial clients. As Frontend Developer you’ll have extensive experience in Angular to enhance and implement the new navigation systems in Mobilebank and Netbank. Main Responsibilities: Write clean, efficient, and well-documented code. Debug, troubleshoot, and resolve complex frontend issues. Collaborate with product managers, designers, and backend engineers to deliver seamless user experiences. Participate in code reviews, mentoring, and knowledge-sharing sessions. Contribute to and maintain a plethora of community-driven libraries of reusable components and tools, Working with large codebases and multiple teams contributing on the same project. Stay up-to-date with the latest web technologies, best practises, and Angular ecosystem updates. Key Requirements: 4+ years of experience in frontend engineering. Proficiency in Typescript and modern frameworks (Angular). Deep understanding of web fundamentals (HTML, CSS). Experience integrating RESTful APIs. Strong focus on web accessibility (WCAG). Excellent communication skills. Experience from the financial sector. Self-driven and proactive problem-solver. Agile methods. Nice to Have: Involvement in open-source projects or noteworthy personal projects on GitHub. Experience in developing web components with libraries like Lit and Stencil. Proficiency in writing unit and end-to-end tests. Solid knowledge of state management practices and libraries like NgRx. Start: May 19th 2026 Duration: 6 months + possibility of extension Workload: Fulltime and 3 days onsite Location: Copenhagen

🏢 Summary: Contract Full Stack Developer role focused on enhancing and maintaining a Management System across front-end and back-end, working within an Agile SCRUM environment. The position involves developing new features, supporting legacy systems, implementing modern engineering practices, and contributing across the full software development lifecycle. Hybrid role based in Dublin with responsibility for enterprise-level, business-critical applications. 🗂️ Requirements: 5+ years experience in Full Stack or similar development role, Degree in related field, Strong experience with .NET using VB.NET and C#, Proficiency in SQL Server and stored procedures, Experience with HTML, CSS, Bootstrap, TypeScript, JavaScript, ASP.NET, Experience writing and maintaining unit tests, Experience with Git and TFVC, Understanding of Design Patterns, Experience working in Agile SCRUM, Experience implementing CI/CD and automated QA testing, Experience across full SDLC, Experience developing enterprise-level applications, Understanding of web application security 📃 Skills: .NET, VB.NET, C#, SQL, SQLServer, HTML, CSS, Bootstrap, TypeScript, JavaScript, ASP.NET, Git, TFVC, SCRUM, CI/CD, AzureDevOps, AzureAD, GraphAPI, UnitTesting 🏢 Description: Want to make an impact? We offer that Due to continued growth, we are currently hiring a Full Stack Developer to join our team. emagine is a dynamic, fast-growing international consulting and technology company, founded on real-world experience, focused on custom-fit solutions. We have the proven people and expertise to complete complex projects, while delivering lasting knowledge-transfer benefits to empower our partners for the next challenge. Are you intrigued? Do you want to learn more? A snapshot of your key responsibilities as Full Stack Developer would be: Develop new features and enhancements for the Management System across both front-end and back-end components. Troubleshoot and resolve application issues in a timely manner. Provide front-line support for end-users. Analyse business requirements and translate them into Epics and User Stories. Collaborate within an Agile SCRUM environment to deliver high-quality solutions. Work with legacy codebases while introducing modern software engineering practices such as refactoring, unit testing, CI/CD, and automated QA testing. Maintain source code repositories using Git and TFVC. Participate in all stages of the software development lifecycle, from analysis and design through to testing, deployment, and maintenance. Collaborate with testing, support, and business teams to ensure successful delivery of solutions. Contribute to continuous improvement initiatives and modernisation efforts within the application environment. Requirements: 5+ years experience in a similar role Degree qualification in a related field Strong experience in .NET development using both VB.NET and C#. Proficiency in SQL Server, including strong understanding of stored procedures and database design. Experience with front-end technologies including HTML, CSS/Bootstrap, TypeScript/JavaScript, and ASP.NET. Experience writing and maintaining Unit Tests. Familiarity with source control systems including Git and TFVC. Understanding and practical application of Design Patterns. Experience working within Agile SCRUM methodologies and Story writing. Ability to implement modern engineering practices within legacy frameworks. Exposure to CI/CD pipelines and automated QA testing. Experience with Azure DevOps would be beneficial. Knowledge of Microsoft AD, Azure AD, and Graph API would be advantageous. Work Experience Required Experience working on a variety of medium and large-scale software development projects. Direct responsibility for writing production code and unit tests. Experience across all stages of the software development lifecycle including analysis, development, testing, deployment, and maintenance. Good understanding of security considerations for public-facing web applications. Proven track record in developing enterprise-level software solutions. Experience supporting and maintaining business-critical applications. So, are you ready to join our team? It’s important to remember, emagine is an Equal Employment Opportunity Employer; we value bringing together individuals from diverse backgrounds to develop innovative solutions for our customers. Opportunity type: Contract, (Dublin) Hybrid- 2 days per week onsite

🏢 Summary: Senior Lead Backend Developer role in the banking sector focused on Financial Crime Prevention, responsible for leading backend development, driving architectural decisions, and delivering scalable, high-availability distributed systems. The position combines hands-on Java development with technical leadership and close collaboration with cross-functional stakeholders. On-site presence in Helsinki is required three days per week. 🗂️ Requirements: Minimum 7 years professional experience in Java development, Expert experience with Spring Boot, Kafka and SQL, Experience building scalable, high-concurrency distributed systems, Practical expertise in Domain-Driven Design and Event Sourcing, Experience with Microservices architecture, Hands-on experience with AWS cloud platform, Experience with CI/CD pipelines and containerization, Ability to translate solution architecture into technical designs, Fluency in English and Finnish 📃 Skills: Java, Spring, SpringBoot, Kafka, SQL, DDD, EventSourcing, Microservices, AWS, Jenkins, Docker, Kubernetes, REST, Maven, CI/CD, Hadoop, HBase, Angular, JavaScript, JUnit, TDD, AI, LLM 🏢 Description: emagine is looking for a Senior Lead Backend Developer for one of our clients within the banking industry. This roles is based in Finland. Start: 2026-04-17 End: 2026-06-30 (extension possible) Location: Helsinki, 3 days/week at the office is required What you’ll be doing: - Acting as a Lead/Expert Developer within the Financial Crime Prevention domain, driving technical excellence and innovation. - Leading technical teams by setting high development standards, implementing industry best practices, and mentoring other developers. - Collaborating closely with Product Owners, Solution Architects, and Analysts - Refining epics and user stories, ensuring clear alignment between business goals and technical execution. - Translating solution architecture into robust technical designs and high-quality, working software. - Advising on the selection of tools, technologies, and processes to optimize development within the Fraud area. Your profile and experience: - Strong leadership & communication: Proven ability to facilitate technical meetings, lead and coach developers, and communicate effectively across diverse stakeholder groups. - An Senior/Expert mindset: Expert-level experience in building scalable, high-concurrency, and distributed systems with a focus on high availability and throughput. - Core Tech Stack: At least 7 years of professional Java development, including deep hands-on experience with Spring Boot, Kafka, and SQL. - Architecture & Patterns: Practical expertise in Domain-Driven Design (DDD), Event Sourcing, Microservices architecture, and Clean Code principles. - Cloud & Modern Tooling: Hands-on experience with Cloud platforms (especially AWS) and a solid understanding of CI/CD (Jenkins, Docker, Kubernetes), REST, and Maven. Practical knowledge of using AI tools and LLMs to enhance development workflows or integrate intelligent features into products. Fluent in English and Finnish (both written and spoken) Nice to have: Knowledge of Software Security, TDD, and JUnit. Experience with HBase on Hadoop, Angular, or JavaScript.

🏢 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.