Senior Node.js/React.js Engineer

🚀 Vacancy: Senior Node.js/React.js Engineer
📍 Location: Remote
🗓 Start Date: Asap
📌 Engagement: Full-time, long-term
📆 Duration: 3–5 months (with potential extension)

About the Project
We’re looking for a Senior Node.js/React.js Engineer to join our team and lead the development of a high-load, feature-rich payment processing platform. The platform handles everything from subscription management and real-time reporting to chargeback resolution and integrates with Shopify, WordPress, QuickBooks, and more.

This is a high-impact role where you’ll shape the architecture, lead implementation, and collaborate directly with the client and cross-functional teams.

Tech Stack

• Backend: Node.js (Nest.js), PostgreSQL, NoSQL
• Frontend: React.js
• Cloud: AWS (S3, Lambda, ECS, CloudWatch, etc.)
• Integrations: Payment APIs, third-party platforms
• Tooling: RabbitMQ, CI/CD, Prometheus, ELK, OpenTelemetry
• Testing: Jest, Mocha, Cypress
   

What You’ll Do
✅ Lead backend service development with Node.js (Nest.js)
✅ Build advanced frontend components with React.js
✅ Optimize database performance and structure
✅ Ensure secure, scalable authentication and authorization flows
✅ Integrate third-party APIs and payment gateways
✅ Work with AWS services and cloud-native architecture
✅ Maintain and improve CI/CD pipelines
✅ Architect background job processing (e.g., RabbitMQ)
✅ Drive best practices for API design and versioning
✅ Set up observability and monitoring infrastructure
✅ Write and maintain tests across the stack
✅ Mentor team members and conduct code reviews
✅ Participate in technical planning and architecture sessions
✅ Collaborate with stakeholders and product teams

Requirements
🔹 5+ years of commercial experience with Node.js
🔹 3+ years with React.js
🔹 Strong skills in SQL/NoSQL and REST API development
🔹 Proven experience building scalable, fault-tolerant systems
🔹 Deep understanding of AWS and cloud infrastructure
🔹 Proficiency in automated testing and CI/CD workflows
🔹 Strong frontend capabilities: UI performance, state management
🔹 Experience mentoring developers and leading feature delivery
🔹 English: Upper-Intermediate or higher (spoken & written)
🔹 Excellent communication skills and proactiveness in global team setups

Nice to Have
➕ Background in fintech or payment processing systems
➕ Experience with microservices and event-driven architectures
➕ Knowledge of additional backend languages (Python, Java, Go)
➕ Familiarity with PCI DSS, GDPR, or other compliance standards

Ready to build something impactful and lead with confidence?
Let’s talk. Apply now and bring your expertise to a project where your voice truly matters.