Senior Software Engineer

Job Title: Senior Software EngineerCompany: Original Technologies – A Fintech Bank

Location: Remote 

Overview

Original Technologies is building the next-generation global fintech banking infrastructure—powering USD business accounts, payment processing, card issuing, and digital banking services for enterprises worldwide. We are seeking a Senior Software Engineer to join our core engineering team and help design, build, and scale our banking platform, including real-time payment systems, ledger services, and API-driven financial operations.

This is a high-impact role for an engineer passionate about secure, scalable, and compliant financial systems, who thrives in an agile, fast-moving environment at the intersection of banking, payments, and technology.

Key Responsibilities

• Architect, develop, and maintain core banking platform components including account management, transaction processing, card issuing, and acquiring systems.
• Build secure, high-performance APIs and backend services enabling global fintech integrations (ACH, wire, SWIFT, SEPA, Visa/Mastercard).
• Collaborate with compliance, product, and infrastructure teams to ensure regulatory and security requirements (BSA/AML, PCI DSS, SOC 2) are met.
• Lead technical design reviews, mentor junior engineers, and establish development best practices.
• Optimize cloud infrastructure for scalability, redundancy, and performance (AWS / GCP / Azure).
• Contribute to continuous integration and delivery (CI/CD) pipelines, test automation, and deployment workflows.
• Drive technical decisions that align with long-term architectural vision, maintainability, and cost efficiency.
• Participate in code reviews, threat modeling, and system audits for reliability and data integrity.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• 5+ years of experience in software engineering with demonstrated expertise in backend systems or financial technology.
• Strong proficiency in Python, Go, or TypeScript/Node.js; familiarity with frameworks such as Django, FastAPI, or NestJS preferred.
• Experience with relational and NoSQL databases (PostgreSQL, MongoDB, Redis).
• Understanding of financial data structures (GL ledgers, reconciliation, double-entry accounting).
• Strong grasp of cloud-based architecture (AWS, GCP, or Azure), containerization (Docker, Kubernetes), and microservices.
• Solid understanding of API security, encryption, and identity management (OAuth2, JWT, OpenID Connect).
• Excellent analytical and problem-solving skills, with a track record of delivering reliable, production-grade systems.

Preferred Experience

• Previous work with banking-as-a-service, payment processing, or core banking platforms.
• Exposure to blockchain compliance, payment gateways, or card network integrations (Visa, Mastercard).
• Experience leading distributed engineering teams and working in agile environments.

Why Join Original Technologies

• Shape the foundation of a global fintech bank redefining access to U.S. and cross-border financial infrastructure.
• Collaborate with top-tier engineers, product leaders, and financial experts.
• Competitive salary, equity participation, and performance bonuses.
• Global remote team culture emphasizing autonomy, transparency, and innovation.
• Direct impact on the evolution of modern financial systems across emerging markets.