Senior Backend Engineer

This is a fully remote position, open to applicants in Romania.

📋 Description

• Create and develop the double-entry ledger along with the money-movement engine that serves as the foundation for all transaction reconciliations.

• Model intricate financial workflows as robust, observable state machines that operate reliably over extended durations.

• Ensure financial accuracy under concurrent conditions through the use of idempotent operations, maintaining transactional integrity, and achieving precise reconciliation.

• Manage partial failures and replay scenarios to ensure that events are neither lost, duplicated, nor processed more than once.

• Develop secure, well-versioned APIs.

• Design and enhance PostgreSQL schemas and data models.

• Troubleshoot production issues and take responsibility for the reliability of mission-critical financial workflows.

⛳️ Requirements

• Over 5 years of backend development experience in production environments.

• Proven track record in building accurate money-movement systems such as ledgers, settlement systems, payment cores, or transaction-processing platforms.

• Experience in managing double-processing, balance race conditions, concurrency, idempotency, and event replay.

• Experience in developing or managing precise reconciliation systems.

• Strong practices in test-driven development alongside comprehensive test coverage.

• Expertise in Domain-Driven Design.

• Extensive knowledge of PostgreSQL, including schema design, transaction management, isolation levels, and optimization techniques.

• High proficiency in a modern backend technology stack, with deep knowledge of TypeScript/Node.js, Go, or the JVM ecosystem, and the capability to learn additional technologies.

• Experience with cloud deployment.

• Ability to navigate ambiguity, work autonomously, and drive solutions without detailed specifications.

• Nice to have: experience in payments, banking, brokerage, or investment-platform systems.

• Nice to have: knowledge in securities, custody, or portfolio/NAV domains.

• Nice to have: experience with event-driven architectures and message queues.

• Nice to have: familiarity with Infrastructure as Code using Terraform or CloudFormation.

• Nice to have: understanding of KYC/AML or compliance frameworks.

• Nice to have: knowledge of accounting principles or financial modeling.

🏝️ Benefits

• Competitive salary and performance-based bonuses.

• Comprehensive health, dental, and vision insurance.

• Flexible working hours and remote work options.

• Opportunities for professional development and career advancement.

• A collaborative and inclusive work environment.