Senior 1C Developer, Accounting & Payments Integration

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Senior Developer integrating financial systems for established FinTech company. Designing reliable financial data pipelines and automation for essential financial processes.

Posted 5/7/2026contractRemote • 🇱🇹 LithuaniaSenior💰 €4,000 - €8,000 per monthWebsite

About the role

Key responsibilities & impact

Design and implement integration between the internal platform and 1C:Enterprise for automated ingestion of orders, payments, and refunds;
Build scalable data exchange solutions using HTTP services , APIs, or file-based integrations (CSV, XML, etc.);
Automate scheduled import of bank statements from providers such as Revolut, Wise, PayPal, and others;
Develop rule-based engines for automatic classification and posting of financial transactions;
Ensure each transaction includes complete accounting metadata (counterparty, ledger account, VAT type, transaction type);
Implement reconciliation mechanisms between internal system data and payment provider transactions, including discrepancy reporting;
Design safeguards to prevent duplicate data entries and ensure data integrity across systems;
Develop custom 1C modules, reports, and scheduled jobs tailored to business processes;
Collaborate with finance and accounting stakeholders to align system logic with reporting and compliance requirements;
Continuously optimise performance, reliability, and maintainability of integrations.

Requirements

What you’ll need

3+ years of commercial experience with 1C:Enterprise 8.3 (Accounting configuration)
Strong experience integrating 1C with external systems via APIs , HTTP services, or data exchange formats
Hands-on experience importing and processing bank statements in 1C
Solid understanding of data integrity principles (idempotency, validation, reconciliation)
Experience working with structured data formats (CSV, XML, FIDAVISTA or similar)
Understanding of accounting fundamentals (ledger entries, VAT, financial analytics)
Ability to independently estimate, scope, and deliver development tasks

Benefits

Comp & perks

Fully remote setup with flexible hours and timezone independence
Opportunity to work within a stable, established FinTech company with an existing product and client base
High ownership and direct impact on core financial infrastructure
Competitive, performance-based compensation aligned with European FinTech benchmarks
Long-term collaboration potential beyond initial implementation phase
Fast decision-making and close collaboration with technical and business stakeholders
Exposure to international payment systems and modern financial workflows

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

1C:Enterprise 8.3API integrationHTTP servicesdata exchange formatsbank statement processingdata integrity principlesCSVXMLrule-based enginesfinancial transaction classification

Soft Skills

independent estimationtask scopingdelivery of development taskscollaborationcommunication with stakeholders