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Sigmaways Inc

Software Engineer

Sigmaways Inc
Netherlands · Contract · Mid-Senior

You'll be at the forefront of developing and enhancing our omnichannel payment platform that processes thousands of transactions per minute across 30+ global markets. Each market brings unique payment requirements, creating exciting technical challenges. Your work directly affects millions of customers, making both a frictionless user experience and robust technical architecture essential to our success. Proven experience building advanced web applications using our core stack: React, TypeScript, Redux, Jest, and Node.js Strong proficiency in front-end fundamentals: HTML, CSS, and modern JavaScript, Experience implementing and maintaining secure, scalable payment systems, Working knowledge of DevOps principles and practices, Cloud platform experience, preferably with Google Cloud Platform (GCP), Understanding of modern observability techniques including distributed tracing, structured logging, and metrics collection


## Professional Experience & Competencies

At least 3-6 years of relevant software engineering experience

Demonstrated ability to balance technical excellence with pragmatic delivery Track record of building solutions that prioritize simplicity and maintainability


## Valuable Additional Skills

Experience with e-commerce platforms and online payment systems

Knowledge of deployment automation tools (Terraform, GitHub Actions)

International or multi-market software deployment experience

Interest in user experience and customer-facing technologies


What 3 things from are most important?

  • Strong proficiency in modern JavaScript frameworks - Mastery of React, TypeScript, and Node.js is essential as this forms the foundation of our payment platform architecture. A senior consultant must be able to architect solutions and guide implementation using these technologies.
  • Experience building secure, scalable payment systems - Your expertise in creating resilient systems that can handle thousands of transactions per minute across multiple markets will be critical to our success. Understanding the unique challenges of payment processing at scale is invaluable.
  • Excellent communication skills paired with a collaborative mindset

Key Skills

Ranked by relevance

javascript typescript react cloud google cloud platform deployment automation terraform devops css gcp
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Posted
Jun 24, 2025
Type
Contract
Level
Mid-Senior
Location
Amsterdam

Industries

Retail

Categories

Engineering

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