Senior Software Engineer (PHP & Payments)

TL;DR

Senior Software Engineer (PHP & Payments): Build and maintain a secure, efficient payment platform integrating providers like PayPal and Stripe with an accent on high concurrency, real-time transactions, and secure design principles. Focus on engineering robust payment services, mentoring team members, and ensuring high availability and performance in production environments.

Location: Remote within Netherlands, Switzerland, Germany, Belgium or offices in Berlin, Munich, Zurich, Brussels, Amsterdam

Company

hirify.global is a scaleup focused on making charitable giving more cost-efficient and donor-friendly, supporting major organizations like Save the Children and WWF with a remote-first, international team.

What you will do

• Engineer and maintain robust payment platforms with high concurrency and real-time transaction support
• Write clean, efficient code following best practices such as SOLID, KISS, TDD, and BDD
• Maintain and monitor payment service providers ensuring reliable infrastructure and participate in on-call duties
• Translate business requirements into technical tasks and provide technical research and estimates
• Mentor junior team members and share knowledge on payment topics
• Improve deployment pipelines, monitoring, and incident response workflows for high availability

Requirements

• Proficiency in PHP and Symfony or similar PHP frameworks
• Experience integrating payment service providers like PayPal and Stripe
• Knowledge of RESTful APIs and event-driven microservices architecture
• Fluent English (at least C1) in written and verbal communication
• Experience with unit and functional testing, code reviews, git workflows, and continuous delivery
• Location: Must be based in or able to work remotely from Netherlands, Switzerland, Germany, or Belgium

Nice to have

• Experience with AWS services including Fargate, Lambda, S3, SQS, SNS, DynamoDB
• Familiarity with frontend technologies like React, Redux, TypeScript, Cypress, Jest

Culture & Benefits

• Flexible work schedules with remote-first setup and options for temporary work abroad
• 5 weeks paid annual leave plus additional PTO and birthday off
• Educational leave and sabbatical options
• Access to psychological counselling
• Short decision paths and transparent communication in a scaleup environment
• Project autonomy and personal development opportunities