Senior Software Developer – Platform Engineering

Job Description for Senior Software Developer

Position Title: Senior Software Developer

Location: Remote

Company: Client

About Us: Welcome to Sortitt, the revolutionary marketplace that's reshaping the future of resource acquisition. As a dynamic platform, Sortitt connects businesses with top-tier resources across the globe, transcending traditional constraints. Our cutting-edge approach delivers tailored solutions that precisely match client demands, creating opportunities for professionals seeking remote engagements. At Sortitt, resources are available on demand, and clients are empowered with diverse choices to ensure the best talent with matching skills. Join us in revolutionizing talent sourcing—where innovation, flexibility, and growth converge to redefine success in the modern workforce.

Job Summary : We are looking for a Senior Software Developer to support the development and refinement of a marketplace/aggregator platform. The ideal candidate will have strong experience in building scalable web platforms, integrating third-party services and payment gateways, and working with modern AI-native development tools.

This is a 1-month project-based engagement with a focus on platform development, feature enhancements, integrations, performance improvements, and overall product refinement.

Responsibilities:

• Develop and refine a scalable marketplace/aggregator platform .
• Build and enhance core platform features based on product requirements.
• Integrate and maintain payment gateways and payment-related services .
• Work with APIs and third-party integrations to support platform functionality.
• Implement and integrate AI-native tools and capabilities where relevant to the platform.
• Review the existing platform architecture and identify areas for improvement.
• Troubleshoot bugs, performance issues, and technical limitations.
• Improve platform stability, scalability, security, and overall user experience.
• Develop new features and refine existing functionality based on project priorities.
• Collaborate with product and technical stakeholders to translate requirements into functional solutions.
• Ensure clean, maintainable, and well-documented code.
• Conduct testing and debugging before deployment.
• Support platform updates and technical improvements throughout the engagement.

Qualifications:

• 5+ years of professional software development experience , preferably in a senior engineering role.

• Proven experience building marketplaces, aggregators, SaaS platforms, or similar web-based products .

• Strong understanding of full-stack web development .

• Experience with API development and third-party integrations .

• Hands-on experience integrating payment gateways/payment systems .

• Experience working with AI tools, AI APIs, or AI-native development workflows .

• Strong understanding of databases, backend architecture, and cloud-based applications.

• Experience improving and maintaining existing platforms, not just greenfield development.

• Strong debugging and problem-solving abilities.

• Ability to independently assess technical requirements and recommend appropriate solutions.

• Comfortable working in a fast-paced, project-based environment with tight timelines.

• Experience working on multi-vendor marketplace or aggregator platforms .

• Experience with Stripe, PayPal, or other payment gateway integrations.

• Familiarity with LLM APIs, AI agents, automation tools, or AI-powered product features.

• Experience with cloud platforms such as AWS, Azure, or Google Cloud.

• Experience with modern development frameworks and technologies.

• Experience with authentication, subscriptions, invoicing, and transaction workflows.

Benefits:

• Competitive compensation with opportunities for growth and advancement.
• Exposure to a dynamic and innovative work environment.
• Collaborative and team-oriented work culture.

Equal Opportunity Employer:

Sortitt, along with its clients, values diversity and inclusion. We encourage candidates from all backgrounds and experiences to apply.