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

Job description

Job Description Tieto Banktech powers trusted banking systems across the Nordics. We are looking for a Senior Software Engineer who takes ownership—someone who drives outcomes, makes decisions, and collaborates closely with stakeholders. You will be a hands-on engineer and technical owner of our Equity post-trade platform, shaping architecture while contributing to code and modernization. What You’ll Do: Take end-to-end ownership of features from design to production Build modern solutions using C#, .NET, APIs, and microservices Lead modernization: Collaborate closely with Product and business stakeholders Communicate clearly, influence decisions, and mentor others What We’re Looking For: Strong ownership mindset and accountability: Excellent communication and stakeholder collaboration skills Solid experience with C#, .NET, SQL, APIs, microservices Experience modernizing systems: Comfortable leading, mentoring, and driving decisions Nice to Have: Capital Markets / Equity post-trade experience Azure, CI/CD, Docker/Kubernetes: Product-oriented environment experience: We Offer: Real ownership and impact on critical systems Ability to shape architecture and technical direction Collabor...