Senior Software Engineer - Equity Platform Architect Hybrid

Tieto Corp.; Solna kommun; Hybrid; SEK 800,000 - 1,000,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Tieto is seeking a Senior Software Engineer to own and deliver features for the Equity post-trade platform. You will drive architecture, modernization, and scalable solutions in a complex domain, taking design to production and leading technical decisions.

You will work with C#, .NET, APIs, and modern cloud-native patterns, contributing to a distributed setup across locations with a focus on performance and reliability. Hybrid work in Sweden is offered.

Qualifications

• Strong hands-on experience with C#, .NET, APIs and microservices.
• Proven track record modernizing legacy systems and refactoring monolithic applications.
• Solid understanding of system design and building scalable, resilient solutions.
• Hands-on engineer with a strong sense of ownership and accountability.
• Ability to work independently and drive technical solutions forward.
• Experience with Azure, CI/CD pipelines, Git, and DevOps practices.

Responsibilities

• Take end-to-end ownership of features from design to production.
• Design, build, and implement solutions using C#, .NET, REST APIs, and microservices.
• Drive modernization of legacy, database-heavy systems into modular, maintainable architectures.
• Contribute directly to architecture and design decisions with a strong engineering mindset.
• Define and execute technical solutions aligned with product and business needs.
• Write clean, efficient, and production-grade code with focus on performance and scalability.
• Take ownership of problem-solving in a complex, high-impact domain.
• Work effectively in a distributed setup across locations.

Skills

C#

.NET

SQL

APIs

Microservices

Tools

Docker

Kubernetes

Azure

Git

CI/CD

Job description

Tieto is seeking a Senior Software Engineer to own and deliver features for the Equity post-trade platform. You will drive architecture, modernization, and scalable solutions in a complex domain, taking design to production and leading technical decisions.

You will work with C#, .NET, APIs, and modern cloud-native patterns, contributing to a distributed setup across locations with a focus on performance and reliability. Hybrid work in Sweden is offered.