Senior Backend Engineer

Job not on LinkedIn

🕒 August 5

🇷🇴 Romania – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 32%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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AMS Accelerate IT

WebsiteLinkedInAll Job Openings

11 - 50 employees

🎯 Recruiter

🤝 B2B

Recruitment • B2B

AMS Accelerate IT is an IT and general recruitment agency (also referred to as AMS / AMS Human Resources) headquartered in Romania with offices in Bucharest and Cluj-Napoca. With over ten years of experience, the firm focuses on tech recruitment across Romania and other European markets (Poland, Hungary, Germany, Austria), claiming a database of 100,000+ developers and white-collar specialists. AMS offers end-to-end hiring services for companies (startups to corporations) and candidates, specializing in sourcing mid-to-senior software and IT talent (Full Stack, . NET, C#, iOS, Java, etc. ), working on a success-fee model with warranty/probation support and emphasis on speed, employer branding, and candidate experience.

📋 Description

• Design and build the double-entry ledger and money-movement engine that all transactions reconcile against • Model complex financial workflows as robust, observable state machines running reliably over long periods • Guarantee financial correctness under concurrency through idempotent operations, transactional integrity, and exact reconciliation • Handle partial failures and replay cases so events are not lost, duplicated, or applied twice • Build secure, well-versioned APIs • Design and optimize PostgreSQL schemas and data models • Debug production issues and own the reliability of mission-critical financial workflows

🎯 Requirements

• 5+ years of backend development on production systems • Demonstrated experience building correct money-movement systems such as ledgers, settlement systems, payment cores, or transaction-processing systems • Experience handling double-processing, balance race conditions, concurrency, idempotency, and replay • Experience building or owning exact reconciliation systems • Strong test-driven development practices and comprehensive test coverage • Domain-Driven Design expertise • Deep PostgreSQL knowledge, including schema design, transactions, isolation levels, and optimization • Strong proficiency in a modern backend stack, with depth in TypeScript/Node.js, Go, or the JVM ecosystem and ability to learn another • Cloud deployment experience • Comfort with ambiguity, high autonomy, and driving solutions without detailed specifications • Nice to have: payments, banking, brokerage, or investment-platform systems experience • Nice to have: securities, custody, or portfolio/NAV domain knowledge • Nice to have: event-driven architectures and message queues • Nice to have: Infrastructure as Code with Terraform or CloudFormation • Nice to have: KYC/AML or compliance-framework knowledge • Nice to have: accounting principles or financial modeling