Senior Backend Engineer: Real-Time FinTech APIs

CashClever, Corp.; New York (NY); Hybrid; USD 120,000 - 150,000; Full time

Job summary

CashClever, Corp. is seeking a skilled backend engineer to design and build scalable APIs and microservices for financial platforms. You will work on processing large volumes of financial data and create real-time insights systems.

The role emphasizes collaboration with frontend teams, secure coding, and cloud-based deployment using AWS and Kubernetes. A strong foundation in OOP and multiple backend languages is expected.

Qualifications

• Strong backend development experience with scalable APIs and microservices
• Advanced software development skills focusing on clean architecture, testing, and maintainability
• Proficiency in OOP and common design patterns
• Solid programming skills in one or more modern backend languages (e.g., Java, Kotlin, C#, Python, Go)
• Understanding of frontend concepts to collaborate with frontend teams
• Experience with relational and/or NoSQL databases, caching, and message queues
• Background in fintech or high-availability transactional systems is beneficial
• Familiarity with cloud platforms (AWS, GCP, Azure), CI/CD pipelines, and containerization
• Commitment to secure coding practices, data privacy, and regulatory compliance
• Strong communication and cross-functional collaboration in fast-paced environments
• Bachelor’s degree or equivalent practical experience

Responsibilities

• Build scalable backend services
• Design APIs supporting financial experiences
• Move and process large volumes of financial data
• Build integrations with Finance Lenders
• Develop real-time financial insights systems
• Improve system performance and reliability

Skills

Backend API design

Microservices architecture

OOP programming

Clean code & testing

Cross-functional collaboration

Security & data privacy

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Java

Kotlin

C#

Python

Go

PostgreSQL

Redis

Kafka

Kubernetes

AWS

Job description

CashClever, Corp. is seeking a skilled backend engineer to design and build scalable APIs and microservices for financial platforms. You will work on processing large volumes of financial data and create real-time insights systems.

The role emphasizes collaboration with frontend teams, secure coding, and cloud-based deployment using AWS and Kubernetes. A strong foundation in OOP and multiple backend languages is expected.