Backend Developer - Merchant Accounting Service - Remote

Overview

This role focuses on the Enterprise Application, where companies manage lunch/dinner orders for employees. You will be working on the Merchant Accounting Service (MAS), an online service responsible for processing orders and generating financial transactions that determine the amount of revenue retained and the payments owed to restaurants.

In Short

• Design, develop, and maintain highly scalable, fault-tolerant backend services.
• Build and optimize Merchant Accounting Service (MAS) to ensure accurate financial transactions for restaurants.
• Develop observability features to enhance monitoring, alerting, and logging for distributed systems.
• Ensure high availability (99.99% uptime) by designing redundant, scalable architectures.
• Write automated tests (unit, integration, and performance testing) using JUnit, Mockito, JMeter, and Gatling.io.
• Implement and manage CI/CD pipelines using Gradle, Jenkins, Spinnaker, or similar tools.
• Work with distributed databases (Cassandra or similar NoSQL solutions) to ensure high availability and low-latency access.
• Collaborate with cross-functional teams to improve system reliability, scalability, and performance.
• Participate in an on-call rotation to ensure continuous system availability and rapid response to incidents.
• Model system resource requirements to efficiently scale applications based on traffic changes.

Requirements

• 5+ years of experience in backend development, with a focus on highly scalable consumer-facing applications.
• Strong expertise in Java and AWS (or similar cloud platforms).
• Experience with distributed systems and fault-tolerant architectures.
• Proficiency in data structures, algorithms, and high-performance system design.
• Experience developing and maintaining high-availability distributed systems (99.99% uptime).
• Experience with NoSQL databases such as Cassandra.
• Hands-on experience with Docker or other containerization technologies.
• Ability to troubleshoot performance issues, optimize services, and build self-healing mechanisms.
• Strong experience with CI/CD tools (Gradle, Jenkins, Spinnaker, etc.).
• A customer-first mindset, ensuring services remain operational during outages.
• Ability to work independently, prioritize tasks, and collaborate across teams to drive results.
• English proficiency at B2 or higher for effective communication with international teams.
• Willingness to participate in an on-call rotation for system support.

Benefits

• Technical and non-technical training for professional and personal growth.
• Internal conferences and meetups to learn from industry experts.
• Support and mentorship from an experienced employee to help you professional grow and development.
• Internal startup incubator.
• Health insurance.
• English courses.
• Sports activities to promote a healthy lifestyle.
• Flexible work options, including remote and hybrid opportunities.
• Referral program for bringing in new talent.
• Work anniversary program and additional vacation days.