Job Description 

We are seeking a skilled Node.js Developer with 3–5 years of hands-on experience building backend services in production. The ideal candidate will have strong JavaScript/TypeScript expertise, a deep understanding of API development, and prior exposure to fintech or other regulated environments. You will play a key role in designing, implementing, and maintaining scalable, secure, and high-performance backend systems that power our financial products. 

Required Skills & Qualifications 

• 3–5 years of professional experience building backend services with Node.js in production. 
• Strong proficiency in JavaScript/TypeScript and experience with frameworks such as Express, NestJS, or Koa. 
• Hands-on experience in building and securing APIs with OAuth/JWT and related protocols. 
• Experience integrating payment providers or banking APIs, with understanding of transaction lifecycles. 
• Solid experience with message brokers (Kafka, RabbitMQ, Redis streams) and event-driven systems. 
• Strong knowledge of Postgres/MySQL and/or NoSQL databases (schema design, indexing, performance tuning). 
• Familiarity with Docker, CI/CD pipelines, and cloud operations. 
• Understanding of fintech constraints, regulatory frameworks, and secure coding best practices. 

Nice-to-Have 

• Exposure to Open Banking / PSD2, ISO 20022, or SWIFT integrations. 
• Familiarity with blockchain primitives or crypto payment integrations (only if relevant to product). 

 Key Responsibilities 

• Design, develop, and maintain backend services using Node.js and frameworks such as Express, NestJS, or Koa. 
• Build and secure robust APIs (REST/GraphQL), ensuring compliance with OAuth/JWT, tokenization, and TLS/HTTPS standards. 
• Integrate with payment providers, banking APIs, and manage transaction lifecycles. 
• Work with message brokers and event-driven architectures (Kafka, RabbitMQ, Redis Streams). 
• Design and optimize relational (Postgres, MySQL) and/or NoSQL databases with efficient schema design and performance tuning. 
• Contribute to CI/CD pipelines, containerization (Docker), and cloud-based deployments. 
• Ensure systems are compliant with fintech regulations (PCI-DSS, KYC/AML, GDPR) and secure coding practices. 
• Collaborate with cross-functional teams (product, security, and QA) to deliver high-quality features. 
• Participate in code reviews, incident response, and system monitoring to ensure reliability and security.