Senior.NET Software Engineer – Tieto Banktech (m/f/d)

Job Description Tieto Banktech powers some of the Nordics’ most trusted banking systems with secure, reliable, and scalable solutions. Using automation, data, AI, and cloud, supported by hands-on guidance, we help banks modernize their core, strengthen trust, and deliver greater impact across the banking experience. We are seeking a Senior Software Engineer who is both hands-on and strategic, to play a pivotal role in modernizing and leading the development of our Equity post-trade platform. Working closely with the Product Manager, you will spend the majority of your time coding while shaping the architecture, mentoring the team, and driving the transition from legacy monolithic systems to modular, maintainable, and scalable solutions. Key Responsibilities Hands-on Development: Architect,