Senior Software Engineer

Prospex CRM; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Prospex CRM is seeking a Senior Software Engineer to lead backend design for a scalable procure-to-pay platform. You will architect and implement core services, APIs, and integration points with ERP systems, including Oracle Fusion, while collaborating with product, frontend, and DevOps teams to ensure performance and reliability.

You will mentor junior engineers, optimize MongoDB data structures, and drive monitoring and observability to maintain system health and customer satisfaction in a

Qualifications

• Extensive backend engineering experience in modern web platforms.
• Strong track record in building scalable microservices and RESTful APIs.
• Proficient in Node.js, Express/Nest, and MongoDB data modeling.

Responsibilities

• Lead backend system architecture and ensure security, reliability, and performance.
• Develop and maintain scalable backend services and APIs for a procure-to-pay platform.
• Collaborate with product, frontend, and DevOps to deliver robust integrations and data pipelines.
• DriveERP integrations, including Oracle Fusion, to extend platform capabilities.
• Optimize database queries and data storage for performance and scalability.
• Provide technical leadership, code reviews, and mentorship to junior engineers.
• Establish monitoring, logging, and alerting for system health and reliability.
• Contribute to backend technology strategy and stack decisions.

Skills

Backend development

Microservices

REST APIs

Node.js

MongoDB

System architecture

Mentorship

Monitoring & logging

Tools

Oracle Fusion ERP

GCP

Job description

Headquarters: Egypt, Turkey, Bahrain

URL: http://prospexcrm.xyz

Senior Software Engineer

About Our Client

Our Client is a fast-growing procurement and technology company headquartered in Riyadh with operations across Saudi Arabia and Bahrain. We are building innovative solutions to simplify procurement processes, empower businesses, and create meaningful impact.

Why Join Us?

We are looking for talented, growth-minded individuals eager to take on new challenges. We nurture potential and provide an environment where every employee can thrive professionally and personally .

Role Summary:

As a Senior Software Engineer, you'll be a key technical leader, driving the design, development, and maintenance of our core backend services. You'll collaborate extensively with product, frontend, and DevOps teams to architect and build highly scalable, efficient, and robust systems. Your contributions will directly enable our customers to optimize their procurement workflows and derive critical insights. This role demands a deep focus on crafting resilient APIs, optimizing database structures, and building seamless integration services that significantly enhance system performance and user experience.

What You’ll Do:

• Lead System Architecture: Spearhead the architectural design of backend systems, ensuring they are secure, reliable, high-performance, and align with our long-term technical vision.


• Develop Scalable Solutions: Design and implement sophisticated backend services, APIs, and microservices for our advanced procure-to-pay platform.


• Cross-Functional Collaboration: Partner closely with product and other engineering teams to translate complex business requirements into elegant and effective technical solutions.


• Integrate and Innovate: Drive integrations with critical third-party systems, including enterprise-grade ERPs like Oracle Fusion, to expand our platform's capabilities.


• Optimize and Enhance: Take ownership of optimizing database queries and managing data storage solutions (with a focus on MongoDB), ensuring optimal performance and scalability.


• Troubleshoot and Evolve: Proactively identify, troubleshoot, and resolve complex issues in existing backend systems, implementing upgrades and enhancements to continuously improve performance and scalability.


• Mentor and Elevate: Provide technical leadership and mentorship to junior developers, championing best practices through rigorous code reviews and knowledge sharing.


• Ensure Operational Excellence: Implement comprehensive monitoring, logging, and alerting solutions to guarantee the health, reliability, and proactive management of our systems.


• Strategic Contribution: Play a pivotal role in strategic decisions regarding backend architecture, technology stack selections, and future platform evolution.

What You’ll Bring:

• Extensive Backend Expertise: Strong hands‑on experience as a MEAN Stack Developer with a proven track record of building and scaling complex backend systems.


• Distributed Systems Mastery: Deep experience building distributed and scalable backend infrastructure with a microservices‑first design philosophy.


• API Design Proficiency: In‑depth understanding and practical experience with RESTful API design and microservice architectures.


• Core Technologies: Proficient in Node.js, Express.js or Nest.js, with a solid grasp of building REST APIs, Websockets, SQL/NoSQL Databases (MongoDB), message queues, distributed caches, and data pipelines.


• Problem‑Solving Acumen: Exceptional troubleshooting, debugging, and performance tuning skills.


• Nice to Have:


• Experience with GCP deployments and pipeline management.


• Prior experience integrating with external systems, especially ERPs.


• Familiarity with AI/ML concepts and their application in backend services.


• Knowledge of monorepos and tools like Nx.dev .