Senior Backend Engineer for Payments

4 weeks ago


Los Angeles, California, United States Lightspark Full time
Job Description:

Lightspark is a leading provider of enterprise-grade payment solutions, enabling fast and secure transactions globally. We're seeking a highly skilled Senior Backend Engineer to join our Fiat Platform team and design, develop, and optimize cutting-edge payment systems.

Key Responsibilities:

Design and develop scalable backend services that integrate Lightspark with traditional financial systems, including payments infrastructure, bank integrations, and transaction processing.
Collaborate with Product Managers, Designers, and other Engineers to build features that meet the evolving needs of our users.
Contribute to the architecture and design of backend systems, ensuring reliability, security, and maintainability as our services scale.
Write high-quality, well-tested code that is maintainable and performant.
Lead technical discussions and participate in code reviews to ensure engineering best practices are followed across the team.
Take ownership of key backend components, troubleshoot production issues, and work to improve system performance and stability.
Build tools and frameworks to monitor, analyze, and improve system performance at scale.
Proactively identify opportunities for system optimization and performance improvements as we scale our platform to support more users.
Mentor junior engineers, provide feedback, and share best practices to help the team grow and improve.

Requirements:

7+ years of backend engineering experience, with a proven track record of building and maintaining scalable backend systems.
Strong proficiency in one or more backend programming languages (e.g., Python, Go, Java, Rust, C++) and experience with modern software development practices.
Experience working with distributed systems and large-scale applications, with a focus on reliability and performance optimization.
Experience with payments systems or financial infrastructure (e.g., ledgers, transaction processing, bank integrations)
Experience with cloud-based technologies and infrastructure tools such as Docker, Kubernetes, AWS, or other cloud platforms.
Ability to lead technical projects from design through deployment, collaborating with team members and cross-functional teams to deliver high-quality solutions.
Strong problem-solving skills and the ability to troubleshoot complex issues in production systems.
Excellent communication skills, with the ability to work effectively in a collaborative environment and explain technical decisions to non-engineering stakeholders.
A passion for learning new technologies and continuously improving engineering processes.

About Lightspark:

Lightspark is committed to creating a more inclusive and diverse workplace to reflect the customers we serve. We welcome interest from individuals of all backgrounds and levels of experience who share our mission. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or other applicable legally protected characteristics.

We will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of the State of California Fair Chance Initiative for Hiring.

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