Build and modernize payment gateway infrastructure by maintaining a live Perl platform while architecting Python microservices, integrating payment APIs, and supporting reliable, scalable transaction flows.
Remote Backend Engineer Jobs
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1,268 total jobs
464 new jobs this week
Design and scale Python microservices and high-performance backend systems, improving reliability under load while shaping technical solutions, integrating external services, and supporting engineering standards.
Lead Java engineering work across scalable system architecture, PostgreSQL performance, and high-volume messaging, while mentoring engineers, guiding code quality, and owning production reliability in an AI-driven environment.
Senior Backend Python Developer - Relocation to Cyprus
Design and scale Python microservices and distributed backend systems, improve performance and reliability under high load, and guide engineering practices across production services.
Design and scale Python backend services and microservices, improving performance, reliability, and deployment processes while contributing to technical direction and engineering standards.
Set technical direction for core backend systems and integrations across banking, payroll, and timekeeping, while building reliable, scalable APIs and distributed services for fintech products.
Build and operate highly available, large-scale email platform services, modernizing Go microservices and improving performance, reliability, observability, and cloud infrastructure across AWS and Azure.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various processors and gateways to ensure accurate and resilient transactions.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various payment processors and ensuring transaction accuracy and resilience.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various processors and gateways while ensuring transaction accuracy and resilience.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various processors and gateways while ensuring transaction accuracy and resilience.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various processors and ensuring transaction accuracy and resilience.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various processors and gateways while ensuring transaction accuracy and resilience.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will design and build backend services for payment processing, ensuring accurate and resilient transaction flows while mentoring team members.
Senior Payments Engineer โ Acquiring & Payment Processing
As a Senior Payments Engineer, you will own and scale Sezzle's payment-processing systems, integrating with various processors and gateways to ensure accurate and resilient transactions.
Own and improve the reliability, performance, and scalability of backend Extensions, building observable distributed workflows and translating data science requirements into production-ready Python systems.
Senior Backend Python Engineer (Core Gateway) - Relocation to Cyprus
Build and modernize payment gateway infrastructure by maintaining a live Perl platform while designing scalable Python microservices, integrating payment services, and supporting reliable transaction flows.
Senior Backend Developer (Services) - Relocation to Cyprus
Design and maintain reliable Python microservices, modernize legacy systems, and own backend reliability through API engineering, testing, and collaboration across product and engineering teams.
Kotlin/Java Developer (Merchant Response)
Develop and enhance a payment gateway system, focusing on high-security features, API design, and integration with various payment providers.
Own backend services end to end, building and operating scalable JVM-based features, APIs, and production systems while collaborating across product and engineering and contributing to reliable daily releases.
Java Developer (Freelance)
Develop backend features for an enterprise SaaS platform, integrate customer ERP systems, analyze and return data insights, and support developers and customers while resolving critical issues.
Senior PHP Developer (Short term)
Design and develop complex web applications using PHP, while providing technical guidance and collaborating with cross-functional teams to enhance product features.
.Net/C# Developer (Short term)
As a Senior.Net Engineer, you will develop and maintain high-performance image processing systems, implement algorithms for image analysis, and optimize database management solutions.
Senior .NET Developer (AI/LLM)
Develop and maintain modern.NET applications while integrating AI and LLM capabilities into APIs, services, and workflows to deliver secure, scalable customer features and improve engineering productivity.
