April 9, 2026

Lead Backend Developer

Senior • On-site

Helsinki, Finland

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.

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Hybrid

Stockholm, Sweden

🏢 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.

Technology

emagine Polska

Sr. Angular Frontend Developer with Typescript and WCAG experience

Senior

Hybrid

Copenhagen, Denmark

🏢 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