Full Stack Lead - .NET And React

Description : Full stack Lead (5–12 Years Experience)

Experience: Minimum 5 years

About The Company

Kassavirtanen Oy is an expanding IT company serving the Nordic market, with a strong presence in Finland and Sweden. We develop our own in-house products and collaborate on carefully selected client projects.

We foster a collaborative and open work environment with minimal hierarchy. Our team values initiative, creative problem‑solving, and clear communication. We believe great software is built by people who enjoy their work and take pride in quality.

Role Overview

We are looking for a skilled Product Owner / Technical Lead who can take ownership of the codebase and work closely with developers to maintain code quality, technical standards, and long-term system stability. This role requires relocation to Finland.

Mandatory Technical Skills

The ideal candidate must have strong hands-on expertise in React, Redux Saga, C#.NET, SQL, and Azure. You should be capable of providing technical leadership, conducting thorough code reviews, mentoring developers, and making architectural decisions that support the systems long-term maintainability.

Responsibilities

• Product Ownership
• Define and explain the product vision and requirements to the development team.
• Prioritize the product backlog based on business value and technical needs.
• Create user stories, acceptance criteria, and refine requirements with developers.
• Collect feedback, make data-based improvements, and support product discovery.
• Coordinate feature releases and track progress using KPIs.
• Code & Technical Ownership
• Work closely with developers to ensure decisions follow scalable and secure architecture.
• Take ownership of key codebase modules and ensure long-term maintainability.
• Maintain high code quality, proper documentation, and monitor technical debt.
• Ensure clear ownership of components, services, and modules.
• Participate in sprint planning and backlog grooming to balance new features and refactoring.
• Support coding standards, testing practices, and deployment of readiness.
• Review design proposals early, identify risks, and guide technical decisions.
• Ensure product changes do not affect performance, security, or reliability.

• Minimum 1 year as a Product Owner, Product Manager, or similar role.
• Good understanding of SDLC and Agile/Scrum.
• Able to read and understand code and work with engineering teams.
• Strong communication, prioritization, and problem-solving skills.
• Familiar with Git, CI/CD, and tools like Jira or Azure DevOps.

This role is more than just delivering features—it ensures the long‑term health of the product. By owning both product direction and technical accountability, the role helps reduce technical debt, prevent future issues, and maintain a stable, sustainable system while still enabling fast delivery.

If this role suits your skills, please apply and well move forward right away. Please send your resume in English.