Senior Software Engineer - Fintech - ZipRecruiter : Job Details

Career Renew is recruiting for one of its clients a Senior Software Engineer - Fintech. This is a fully remote role for US/Europe/LATAM candidates, as long as they can work EST hours.

• Build and operate backend services in Node.js/TypeScript with PostgreSQL at scale.
• Design APIs that power financial transactions, ensuring idempotency, reliability, and developer-friendly integration.
• Architect solutions for complex challenges across payments, ledgering, and reconciliation.
• Lead feature delivery, from design through implementation, testing, and deployment.
• Collaborate closely with product, design, and infra teams to align system design with business priorities.
• Review code and mentor peers, raising the engineering bar across the team.
• Investigate and resolve production issues with a focus on root cause prevention.

• Treat APIs and services as products, balancing developer experience with robustness.
• Favor simplicity and clarity in architecture, while planning for scale and resilience.
• Keep security and compliance top of mind in all technical decisions.
• Document designs, runbooks, and decision records to enable knowledge sharing.
• Collaborate openly in design reviews, code reviews, and incident postmortems.

• Node.js / TypeScript
• NestJS (or similar backend frameworks)
• PostgreSQL (plus caching/queueing as needed)
• REST APIs
• GitLab for version control and CI/CD
• Docker, Kubernetes, AWS
• Monitoring and observability tools (Datadog)

• 5+ years of backend software engineering experience.
• Strong expertise in Node.js, TypeScript, and relational databases (PostgreSQL).
• Proven experience building APIs that power financial or transactional systems.
• Understanding of payments, fintech, or other transaction-heavy domains.
• Experience designing for scalability, reliability, and fault tolerance.
• Familiarity with distributed systems concepts (idempotency, concurrency, data integrity).
• Excellent communication skills and ability to collaborate across teams.

• Experience with blockchain development (e.g., smart contracts, wallets, tokenization).
• Infrastructure knowledge: Kubernetes, AWS, Terraform.
• Exposure to event-driven architectures and real-time transaction systems.

• Health Stipend
• Office Stipend
• Laptop
• Unlimited Leave
• Options