Senior Software Engineer, Core Systems — AI-powered Cloud

Milence; Amsterdam; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Company annual incentive bonus plan

Unlimited holiday policy

Company pension plan

A one-time home office allowance

Monthly phone allowance

12-month fixed-term contract

Job summary

Milence is seeking a Senior Software Engineer for Core Systems to design, build and operate the cloud-native platform powering our heavy-duty transport charging network across Europe. You will own complex, event-driven services, APIs and distributed applications using TypeScript, Node.js and modern cloud technologies.

You will mentor engineers, push DevOps and AI-assisted development, collaborate with Product, Data and operations teams, and help scale the platform while maintaining security,

Qualifications

• Bachelor's degree in information technology, computer science or related field.
• Strong hands-on experience with TypeScript and Node.js; comfortable with React or similar front-end frameworks.
• Experience building and operating cloud solutions on Azure, AWS or GCP; event-driven architectures, microservices and APIs.
• Ability to make architectural decisions for complex, business-critical software at scale.
• Strong database design, data modelling and performance optimisation knowledge.
• Solid DevOps experience including CI/CD, Infrastructure as Code, monitoring and observability.
• Experience with AI-assisted development tools (e.g., GitHub Copilot) and AI workflows.
• Experience with LLMs or cloud-based AI services is a plus.
• Ability to own complex technical challenges from design to production.

Responsibilities

• Design and lead development of complex event-driven services, APIs and distributed applications using TypeScript, Node.js and modern cloud-native technologies.
• Take technical ownership of Core Systems solutions, balancing scalability, reliability, security and long-term maintainability.
• Contribute to customer-facing applications and internal platforms, including React-based components.
• Design and optimise databases, data models and data flows for security, performance and reliability.
• Drive improvements in CI/CD, automated testing, monitoring and observability.
• Use AI-assisted development tools to improve software development, testing and productivity while maintaining security and reliability.
• Identify opportunities to integrate AI capabilities into platforms, products and workflows.
• Troubleshoot complex issues, perform root-cause analysis and implement structural improvements.
• Provide technical guidance and mentoring to engineers and uphold engineering standards.
• Collaborate with Software Engineering, Data, Product and business stakeholders to translate needs into solutions.
• Proactively improve architecture, tooling and practices as Milence scales.

Skills

TypeScript

Node.js

React

Azure

AWS

GCP

CI/CD

AI-assisted software development

DevOps

English communication

Education

Bachelor's degree in Information Technology or Computer Science

Tools

GitHub Copilot

Kubernetes

Terraform

Job description

Milence is seeking a Senior Software Engineer for Core Systems to design, build and operate the cloud-native platform powering our heavy-duty transport charging network across Europe. You will own complex, event-driven services, APIs and distributed applications using TypeScript, Node.js and modern cloud technologies.

You will mentor engineers, push DevOps and AI-assisted development, collaborate with Product, Data and operations teams, and help scale the platform while maintaining security,