Senior Developer – Node.js & .NET

Sytac; 's-Hertogenbosch; Hybrid; EUR 60,000 - 80,000; Full time

Benefits offered by this job

Hybrid collaboration

Access to engineering community

Continuous improvement culture

Job summary

A leading technology consultancy in the Netherlands is seeking a Senior Developer to modernize a core document platform. This role involves backend services development using Node.js and .NET, building solutions in Azure and AWS, and working in a high-skilled engineering team. The ideal candidate has proven experience in document processing and a collaborative mindset. This position offers hybrid collaboration and a chance to contribute to the energy transition as part of a digital transformation effort.

Qualifications

• 5+ years of experience in Node.js and .NET development.
• Experience with document processing or document management solutions.
• Hands-on experience with Microsoft Azure and AWS.

Responsibilities

• Design and build backend services, APIs, and document-processing components.
• Develop modern document management systems together with an engineering team.
• Build cloud-native solutions in Azure and AWS.

Skills

Node.js

.NET

Document processing

Cloud solutions in Microsoft Azure

Cloud solutions in AWS

API design

Strong communication skills in English and Dutch

Agile / SAFe environments

Python

Docker

Tools

Terraform

Git

Job description

At Sytac, we build high-performing engineering teams for leading organizations in the Netherlands and beyond. We combine a pragmatic, people-first culture with strong technical craftsmanship giving engineers autonomy in real production environments, backed by a consultancy that invests in growth, community, and long-term partnerships.

For one of our major clients in the energy domain, we are looking for a Senior Developer with deep experience in Node.js and .NET, and a strong background in document processing and document management systems. You’ll help modernize and rebuild a core document platform that supports thousands of users across a rapidly evolving, data-driven organization advancing the energy transition.

This role requires a senior engineer who is comfortable across cloud-native development in Azure and AWS, enjoys working on scalable backend services, and can help shape a robust, future-proof document solution.

What you’ll do

• Design and build backend services, APIs, search capabilities, and document-processing components
• Develop a modern document management system within a focused, high-skilled engineering team
• Build cloud-native solutions across Azure and AWS, ensuring reliability, scalability, and security
• Deliver backend functionality in Node.js and .NET, aligned with platform and business requirements
• Assess technical approaches critically and contribute to solution architecture
• Work in a SAFe/Agile environment within a digital product domain
• Collaborate closely with colleagues in the EDS team, known for strong domain expertise and knowledge sharing
• Continuously explore new technologies, tools, and concepts to improve engineering quality and system maturity

What we’re looking for

• Proven senior-level experience in Node.js and .NET development
• 5+ years of experience working on document processing or document management solutions
• Hands‑on experience building cloud solutions in Microsoft Azure and AWS
• Strong backend engineering capabilities, including API design and distributed systems fundamentals
• Comfortable working independently and taking ownership of technical decisions
• Strong communication skills in both English and Dutch
• Experience working in Agile / SAFe environments
• Team-oriented mindset with a proactive, collaborative attitude

Nice to have

• Experience with Python and Docker
• Familiarity with Git and Gitflow branching strategies
• Experience with Infrastructure-as-Code (IaC) tools such as Terraform

What we offer

• A high-impact engineering role on a mission-critical document platform used across a large enterprise
• The opportunity to contribute to a digital transformation in an organization at the center of the energy transition
• Hybrid collaboration with a skilled, supportive engineering team
• A culture rooted in ownership, craftsmanship, and continuous improvement
• Access to Sytac’s engineering community, knowledge-sharing sessions, and development support