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August 15, 2026
Full Stack Developer (Node.js+Vue.js)
Mid • Remote
2,000 - 5,200 USD
Warsaw, Poland
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Description
Modernize a cloud-based contract and vendor management platform for public-sector and municipal organizations. The project includes platform implementation, configuration, data migration, and ongoing enhancements that streamline contract, vendor, and compliance management.
Responsibilities
- Design RESTful Node.js APIs for multi-role user flows, including Vendors, Approvers, and FMS, and build authorization logic for Admin Impersonation.
- Implement invoice lifecycle management, including status flows, entry duplication, manual entry, API triggers for drag-and-drop CSV imports, and automated Billing Export CSV generation.
- Develop APIs for budget item calculations, plan versioning, note updates, and automated spend-versus-budget tracking with FMS notifications.
- Build calculation engines and automated daily, monthly, and annual checks for document expiration tracking, sanctions screening, and blocking invoice approvals for non-compliant vendors.
- Integrate SendGrid transactional emails, SMS approval alerts, and external e-signature services.
- Implement event-driven audit logging triggered by FMS approval and payment, plus server-side PDF generation for individual and bulk Audit Defence reports.
- Support secondary Vue.js admin views, dynamic tables, and form components.
Requirements
- 3+ years of backend development experience with Node.js.
- Fundamental Vue.js experience for full-stack CRUD development and maintenance.
- Experience in banking, compliance, or audits.
- Strong experience building REST APIs, state machines, and background/cron jobs.
- Strong PostgreSQL and Supabase skills, including schema design, query optimization, and Row Level Security policies.
- Experience integrating third-party APIs, including SendGrid, Twilio, e-signature, and sanctions APIs.
- Upper-Intermediate English level or higher.
Benefits
- Opportunity to change projects and develop expertise in a business domain.
- Professional, financial, and career growth.
- Mentoring and onboarding support.
- Annual bonus opportunity of up to an additional €1,000 per month, depending on expertise and participation in company activities.
- Access to a corporate training portal.
- Certification compensation, including AWS and PMP.
- Referral program.
- Private health insurance and sports compensation, depending on employment type.
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