Senior Backend Developer – ITS Distribution & Investments | SEB, Solna

SEB; Parainen; Hybride; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Hybrid work model

Extensive training

Flat hierarchy

Résumé du poste

SEB in Finland is hiring a Senior Backend Developer (C#) to join the Investment Overview team. You will design and implement the core data layer and APIs that power the customer experience, with a focus on correctness, performance and resilience in a cloud-native stack.

You will collaborate closely with Product Owner and engineers, contribute to scalable architecture, and help evolve the backend as the product grows.

Qualifications

• Extensive experience as a Senior C# developer in the .NET ecosystem.
• Ability to write clean, testable, maintainable code with agile methods.
• Strong understanding of complex system architecture: scalability, security, maintainability.
• Experience building high-availability, high-performance backends with CI/CD and cloud platforms.
• Experience delivering APIs (REST/GraphQL/gRPC) and asynchronous messaging for event-driven architectures.
• Experience deploying with Docker and Kubernetes, preferably on GCP.
• Curiosity for agentic workflows in software development.
• Interest in financial markets and how investments are built from positions.
• Experience using LLMs in development workflows.

Responsabilités

• Design and implement the core data layer powering Investment Overview.
• Collaborate with Product Owner and stakeholders to ensure smooth development and deployment.

Connaissances

C#/.NET

API design

Docker

Kubernetes

CI/CD

GCP

Agile

High performance

Event-driven

Cloud-native

Description du poste

Are you aSenior C# developerpassionate about designingscalablesolutionsthat have an immediate impact on the customer experience?We arelooking to strengthenthe teamthatbuildsInvestment Overview,a backend solution thatsits at the center of the customer experience and places high demands on correctness, performance, and resilience.

SEB is more than a bank. We are a technology-driven financial institution where everything starts from our customer needs and business outcomes. AI, data and modern engineering are natural parts of how we work, build and deliver value. From core banking platforms to agentic AI , automation, cybersecurity and cloud, we offer a broad tech landscape and many paths to grow. Together, we are shaping secure, responsible and future- proof solutions for our customers and society. Are you ready to take on a new challenge?

About the role:

As a senior backend developer, you will join the team responsible for building the foundation of our future customer experience: theInvestment Overview. Thisprovides information forthe first thing customers see when they log into our app or web platform, making it one of the most critical drivers of customer satisfaction. In this role, you willbe part ofdesigningand implementingthe core data layer - including data sourcing, aggregation, compilation, and the API interfaces - that powers this experience end to end.

You will work in a small team, collaborating close to Product Owner, stakeholdersand coworkers to ensuresmoothdevelopment, maintenance and deployment in production.
The solution will grow over the coming years, so you will be part ofclarifying requirements as well as designing the solutions going forward.
This is an excellent opportunity to make a tangible impact and grow your expertise.

To thrive in this role, we believe you have:

• Extensive experience asa Senior C# developer,andthe .NET ecosystem.
• The abilityand desireto write clean, testable and maintainable code, usingagile methodologiesas needed.
• A good understanding of complex system architecture & design (scalability, security and maintainability).
• Experienceof building high‑availability, high‑performance backend systemsin an environment using modern CI/CD pipelines connected to cloud platforms.
• Insights related toprovidingAPIs (REST/GraphQL/gRPC) andasynchronousmessagingfor event driven architectures.
• Experiencedevelopingand deploying withDocker and Kubernetes, preferably on GCP.
• Curiosity towards agentic workflows in various parts of software development.
• An interest in the financial markets, and an understanding of how a customer’s total investments are built up by individual positions of financial instruments.
• Experience using LLMs as part of your development workflow,either professionally or through personal projects.

What we offer:

• Agile and modern ways of working
• A flat hierarchy and openness to share ideas, opinions and points of views
• Extensive training and learning opportunities
• Hybrid work model, meaning remote work is possible up to 2 days/week
• Innovative company at the forefront of technology

Do you want to be part of SEB?

It is our fundamental belief that inclusion and diversity is crucial for our future success. We strive to have an inclusive, value-driven culture where employees feel valued, respected, and involved irrespective of who they are, what they believe or where they come from.

If you have questions about the position, please contact Jonas Lindqvist, [e-mail], note that we will not process applications via email.

Please be aware that our final candidates undergo background checks, a process that includes for example identity control, verification of qualifications, credit checks, company engagements and history of crime. In some cases, we also apply random drug checks. During employment, employees within SEB can also expect to undergo recurring background checks.

SEB Sweden has a redeployment responsibility, which means that this position might be covered by internal redeployment.

The employment is covered by collective agreements signed between Finansarbetsgivarna and Akademikerföreningen and between Finansarbetsgivarna and Finansförbundet.

Learn more about working at SEBon our Career website or through our Career podcasts.

sebgroup.com/career

bit.ly/SEBcareer