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Eijsink Tech Stack

POS software and payment processing platform for hospitality operators

Technology, Information and Internet Hengelo, Overijssel 201–500 employees Founded 1984 Privately Held

Eijsink builds digital solutions for hospitality businesses, with a tech stack anchored in process mining, formal verification, and cloud infrastructure (Java, Spring Boot, Celonis, AWS/GCP). The engineering-heavy org is actively migrating from AWS to GCP while scaling to handle billions of transactions—a shift that reflects both infrastructure maturation and the complexity of international payment settlement. Current focus spans serverless architecture, self-service ordering, and machine-to-machine integrations for vendor ecosystems.

Tech Stack 22 technologies

Core StackJava AWS Flutter Angular Terraform CloudFormation Jenkins Docker Kubernetes Helm Prometheus Grafana GitLab CI/CD Freshdesk Celonis Spring Boot REST API GCP IAM VPC VPN AWS GuardDuty

What Eijsink Is Building

◆Challenges

Internationalization challenges
International rollout challenge
Handling a billion transactions
Process bottlenecks in sales process
Selling complex solutions
Inconvenient process configuration
Verifying correctness of interacting systems
Asynchronous communication across vendors
Payment failures due to corner cases
Transitioning from aws to gcp

▲Active Projects

Serverless event pipeline to cloud
Self-service ordering apps
International rollout of solutions
Cloud infrastructure design and implementation
Process mining for sales patterns in pos software
Dsl-based sales process configuration
Model-checking solution for online payment services
Designing formal models of payment systems
Refining models via cegar
Machine-to-machine integration apis

Hiring Activity

Minimal20 roles · 2 in 30d

Department

Engineering

9

Sales

5

Data

1

Logistics

1

Ops

1

Support

1

Seniority

Mid

6

Senior

6

Intern

5

Junior

1

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About Eijsink

Eijsink is a Dutch software company (founded 1984, Hengelo-based) that serves hospitality operators with POS software, payment processing, and operational automation. The product layer includes self-service ordering applications, process configuration tools, and integrations with third-party payment and supply systems. Engineering is concentrated on cloud infrastructure, process mining for sales optimization, and formal modeling of payment systems to catch corner-case failures. Sales and logistics roles reflect both direct customer engagement and operational complexity tied to international expansion.

HeadquartersHengelo, Overijssel

Company Size201–500 employees

Founded1984

Hiring MarketsNetherlands

Frequently Asked Questions

What technology does Eijsink use for its platform?

Core stack: Java, Spring Boot, REST APIs, Celonis (process mining), Docker, Kubernetes, Jenkins CI/CD, and AWS/GCP infrastructure. Also uses Flutter for mobile apps, Angular for frontends, and Prometheus/Grafana for observability.

What is Eijsink working on technically?

Serverless event pipelines, cloud infrastructure migration (AWS to GCP), process mining for sales patterns, formal verification of payment systems, and machine-to-machine vendor integrations to handle complex transaction flows at scale.

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