Sr. Java Backend Developer
Sr. Java Backend Developer Full Remote Long term 6+ month (Mid-level 4-6 yrs exp)
Summary
We are seeking a Senior Software Developer with strong experience building scalable fintech and payment solutions in modern cloud environments. This role will focus on developing secure, high-performance backend services using Node.js, TypeScript, PostgreSQL, and AWS serverless technologies. The ideal candidate has hands-on experience with payment platforms and financial integrations such as Stripe, PayPal, and Modern Treasury, along with a solid understanding of compliance and security standards within regulated environments.
Responsibilities
- Design, develop, and maintain scalable backend services using Node.js and TypeScript
- Build and optimize APIs and integrations with fintech/payment platforms including Stripe, PayPal, and Modern Treasury
- Develop cloud-native solutions leveraging AWS serverless and event-driven architectures
- Collaborate with engineering leadership and team members to deliver secure, reliable, and maintainable software solutions
- Design and optimize PostgreSQL database schemas, queries, and performance
- Participate in architectural discussions and contribute to technical direction
- Ensure applications meet PCI, SOC 2 Type 2, and SOC Type 1 compliance requirements
- Support security best practices, fraud prevention initiatives, and secure coding standards
- Participate in code reviews, testing, debugging, and deployment processes
Requirements
- 4+ years of professional software development experience
- Strong proficiency with Node.js and TypeScript
- Experience building and maintaining applications using PostgreSQL
- Hands-on experience with AWS, particularly serverless and event-driven architectures
- Prior fintech or payments industry experience
- Experience integrating payment platforms such as Stripe, PayPal, or Modern Treasury
- Understanding of PCI compliance, SOC 2 Type 2, and SOC Type 1 standards
- Strong understanding of secure software development practices
Bonus Skills
- Experience with fraud prevention systems and payment risk mitigation
- Experience with CI/CD pipelines and infrastructure-as-code tools
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