Senior Software Developer

Experts Group International; Gorinchem; Hybrid; EUR 60,000 - 80,000; Full time

Benefits offered by this job

Competitive salary and benefits package

Long-term career development opportunities

Supportive team culture

Job summary

Experts Group International is looking for a Senior Software Developer in Gorinchem, Netherlands, to join a hybrid team. You will design and maintain scalable software solutions while working closely with cross-functional teams in an Agile environment.

Ideal candidates have a degree in Computer Science, experience in C#, .NET technologies, and a commitment to software quality and performance. Benefits include competitive salary and opportunities for career progression within a supportive culture.

Qualifications

• Proven experience as a Senior Software Developer working on complex software systems.
• Strong expertise in C#, .NET Framework, and modern .NET technologies.
• Experience designing scalable, maintainable backend solutions.

Responsibilities

• Design and develop scalable software architectures.
• Collaborate in Agile Scrum and contribute to continuous improvement initiatives.
• Optimize APIs and system integrations across environments.

Skills

C#

.NET Framework

API development

Agile Scrum

Problem-solving

Fluent in English and Dutch

Education

Degree in Computer Science or Software Engineering

Tools

.NET Core

CI/CD practices

Job description

Location: Gorinchem, Netherlands (Hybrid)

Industry: Software Development / Industrial Technology / Technology Solutions

Job Function: Software Engineering / Software Development

Employment Type: Full-Time

We are seeking an experienced Senior Software Developer to join a highly technical and collaborative engineering team based in Gorinchem on a Hybrid basis. This is an opportunity to work on complex software systems where modern cloud-native technologies intersect with existing enterprise, embedded, and industrial software environments.

The successful candidate will play a key role in designing scalable architectures, modernising existing systems, and delivering robust software solutions that support long-term business objectives. You will work in an Agile Scrum environment, collaborating closely with cross‑functional teams while contributing to architectural decisions, technical strategy, and continuous improvement initiatives.

This position is ideal for a software engineer who thrives in complexity, enjoys solving challenging technical problems, and can balance innovation with the realities of existing software landscapes. You will have the opportunity to influence technical direction, mentor others through best practices, and help shape future‑proof solutions within a highly structured engineering environment.

Key Responsibilities

• Design and evolve scalable software architectures that support long-term maintainability and technical sustainability.
• Develop and maintain backend and full‑stack software solutions using Microsoft technologies and modern development frameworks.
• Work within complex software environments, including legacy systems, enterprise applications, and embedded software components.
• Build, maintain, and optimise APIs and system integrations across distributed environments.
• Contribute to software modernisation initiatives, including migration projects involving .NET Core and modern .NET architectures.
• Collaborate with product, engineering, and business teams to define technical solutions and implementation strategies.
• Participate actively in Agile Scrum ceremonies and contribute to continuous improvement initiatives.
• Ensure software quality, performance, scalability, and security through best engineering practices.
• Support architectural decision‑making and provide technical guidance on complex development projects.
• Identify opportunities to improve system performance, reliability, and maintainability.

Your Profile

• Degree in Computer Science, Software Engineering, or a related technical discipline.
• Proven experience as a Senior Software Developer or Senior Software Engineer working on complex software systems.
• Strong expertise in C#, .NET Framework, and modern .NET technologies.
• Experience designing and delivering scalable, maintainable backend solutions.
• Strong understanding of software architecture, design patterns, and engineering best practices.
• Experience working within Agile Scrum development environments.
• Ability to work effectively within both modern and legacy software landscapes.
• Strong analytical, problem‑solving, and technical decision‑making skills.
• Excellent communication and stakeholder management abilities.
• Strong sense of ownership and accountability for software delivery.
• Fluent in both English and Dutch.

Preferred Experience

• .NET Core, .NET 6, .NET 8, or later versions.
• API development and systems integration.
• Embedded or industrial software environments.
• Distributed systems and microservices architectures.
• Software modernisation and migration projects.
• Continuous Integration and Continuous Deployment (CI/CD) practices.

What We Offer

• Competitive salary and benefits package.
• Long‑term career development and progression opportunities.
• Supportive team culture with opportunities to contribute to technical strategy and decision‑making.