Senior Fullstack Developer

October 8, 2026

Remote

Senior

's-Hertogenbosch, Amersfoort

Indeed

Description

A fast-growing software organization is looking for a Senior Fullstack Developer who takes responsibility for the full development lifecycle. The role covers an innovative SaaS solution in tax technology — building scalable, production-ready software with .NET, React and Azure. The developer builds end-to-end features across backend and frontend, thinks along on architecture, performance, security and reliability, and works closely with product and design in an ambitious team.

Responsibilities

Building end-to-end features within the SaaS platform
Designing and developing robust APIs and scalable backend services
Developing intuitive and high-performance React components
Working on both frontend and backend without fixed technical silos
Applying design patterns and architecture principles
Continuously improving the technical stack and engineering standards
Performing thorough and constructive code reviews
Monitoring and improving performance, security and reliability
Setting up and maintaining CI/CD pipelines
Working with Azure DevOps and modern development tooling
Contributing to technical standards and best practices within the team
Collaborating closely with product and design
Discussing technical choices and critically challenging them when needed
Actively sharing knowledge within the development team
Guiding and coaching junior developers
Contributing to a culture of quality, ownership and collaboration

Requirements

At least 5 years of experience developing full-stack applications in production environments
Strong experience with .NET and C#
At least 5 years of hands-on experience with React and TypeScript
Deep knowledge of SQL and databases
Experience with Azure cloud technologies
Experience with CI/CD and Azure DevOps
Good knowledge of design patterns and architecture principles
Experience working with Scrum and Agile
Bachelor-level working and thinking ability
Strong analytical skills and a structured way of working
Strong communication skills and ability to explain technical subjects clearly
Takes responsibility and dares to critically question existing solutions
Experience mentoring or coaching junior developers is a plus

Conditions

Competitive salary depending on experience and knowledge
Challenging role within a fast-growing SaaS organization
Lots of freedom and responsibility over your own work
Working with modern technologies such as .NET, React, TypeScript and Azure
Environment with short lines and little bureaucracy
Plenty of room to make technical choices and have impact
Opportunities to further develop your technical knowledge
A culture in which knowledge sharing, initiative and collaboration are encouraged

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