We are Billie, the leading provider of Buy Now, Pay Later (BNPL) payment methods for businesses, offering B2B companies innovative digital payment services and modern checkout solutions. We are to create a new standard for business payments and have made it our mission to simplify the purchasing experience for all businesses making it a tool for growth. Our solutions are based on proprietary, machine-learning-supported risk models, fully digitized processes and a highly scalable tech platform. This makes us a deep-tech company building financial products, not the other way around. We love building simple and elegant solutions and we strive for automation and scalability.

TECHNICAL REQUIREMENTSMUST-HAVE:

• 7+ years of professional software engineering experience
• Strong PHP development expertise with Symfony framework
• Experience building and maintaining high-availability production systems
• Solid understanding of microservices and event-driven architectures
• Proficiency with Git, CI/CD practices, and automated testing
• Experience with relational databases and query optimization

SOFTWARE ENGINEER, PURCHASE TEAMABOUT THE ROLE

As a Software Engineer on our Purchase team, you’ll architect, build, and scale our core buyer systems that power millions in transaction volume. You’ll work in an autonomous engineering team tackling challenging technical problems with measurable business impact. We operate in a hybrid work environment with flexible arrangements based on team needs.

KEY RESPONSIBILITIES:

• Design & Develop: Create robust, scalable software solutions for our payments platform using modern PHP practices and event-driven architecture
• Own Quality: Implement comprehensive testing strategies and maintain 99.9%+ uptime for mission-critical payment systems
• Drive Innovation: Lead technical initiatives to improve performance, reduce operational costs, and enhance user experience
• Collaborate & Mentor: Participate in pair programming sessions, lead code reviews, and mentor junior engineers
• Champion Engineering Excellence: Implement CI/CD pipelines, contribute to our technical documentation, and advocate for best practices
• Measure Impact: Track and report on key technical metrics that drive business outcomes