Senior Backend Engineer - Payments

4 months, 2 weeks ago
Contract
Senior
Software Development
Your Business

Your Business

Empowering businesses one transaction at a time. More approvals, lower fees, total payment freedom.

Diversified Financial Services

Description

  • Build and maintain API integrations with multiple payment service providers.
  • Implement payment routing logic for payment orchestration.
  • Develop webhook handlers for payment events and updates.
  • Implement tokenization flows for secure payment handling.
  • Support subscription billing logic and related workflows.
  • Ensure resilience, observability, and clean error handling across payment services.
  • Work directly under the CTO on modernization of the payment infrastructure.

Requirements

  • 6+ years of backend engineering experience.
  • Strong experience in one or more of the following: Node.js, Java, Python, or Go.
  • Extensive experience integrating with REST APIs.
  • Experience processing webhooks.
  • Payments domain experience is required.
  • Strong understanding of auth/capture flows.
  • Strong understanding of refund logic.
  • Strong understanding of chargeback lifecycle.
  • Strong understanding of subscription billing.
  • Experience with orchestration platforms such as Gr4vy or Stripe is highly desirable but not required.

Benefits

  • High-impact architecture project.
  • Executive visibility.
  • Competitive contract compensation.
  • Flexible remote structure.
  • Clear scope and clear timeline.
  • Long-term engagement.
  • Technical ownership.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

Mid-Level BE Engineer

Oddin.gg 51-250 Hotels, Restaurants & Leisure

Corwyn ABC is hiring a Mid-level Backend Developer to build and operate Go microservices handling high-volume traffic, delivering reliable features within an established architecture.

Agile AWS Azure Docker DynamoDB GCP Go GraphQL gRPC Microservices PostgreSQL Redis Secrets Management SQL Terraform
4 days, 9 hours ago

Senior Optimizely Developer - Remote - 8 Months - Octopus by RTG

Robusta Technology Group 51-250 Professional Services

Octopus by RTG is seeking an Optimizely Developer to lead the architecture, development, and optimization of a scalable UAE-based portal project for a strategic client.

Agile C# JavaScript .NET Scrum
5 days, 10 hours ago

Payment Microservices Tech Lead (Java ) | Lithuania | Contract

HITCONTRACT 11-50 Professional Services

Payment Microservices Tech Lead at an unspecified company, leading the design and development of modern payment and transaction platforms built on Java, Spring Boot, microservices, AWS, and secure integrations.

AWS CI/CD Java JWT Kafka Microservices MySQL OAuth RabbitMQ REST API Spring Boot SQL Swift
1 week, 1 day ago

Senior Java Developer | Baltic States and Poland Citizen (remote) | Contract

HITCONTRACT 11-50 Professional Services

A leading banking platform is seeking a Core Banking Java engineer to modernize mission-critical services, deliver new capabilities, and support compliant, highly available enterprise systems.

Agile AWS Azure CI/CD DDD GCP Git Gradle Hibernate Java Kafka Kubernetes Maven Microservices OpenShift REST API Scrum SOAP Spring Boot SQL Swift
1 week, 1 day ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers