Payment API Engineer

Design and develop secure, scalable REST APIs and backend services using Java/Node.js.

Build containerized solutions leveraging AWS Lambda, API Gateway, and related cloud services.

Implement robust API security, authentication/authorization (OAuth2/JWT), throttling, and rate limiting controls.

Develop event driven integrations using Kafka/MQ for messaging and streaming workflows.

Ensure high quality code through automated testing, CI/CD pipelines, and Git-based workflows.

Apply microservices architecture, clean coding practices, and resilient design patterns for distributed systems.

Optimize application performance, reliability, and scalability with strong monitoring and observability practices.

Collaborate with cross functional teams to deliver features in fast-paced Agile environments.

Support compliance, auditability, and safe handling of transactions in payments/financial systems.

Troubleshoot production issues, drive root-cause analysis, and continuously improve services

4-10 years experience in backend/API development.

Strong proficiency in one or more languages: Java, Node.js,

Expertise in building and consuming REST APIs, API security, OAuth2/JWT.

Hands-on experience with AWS Serverless (Lambda, API Gateway) and containerized services

Strong understanding of Kafka, MQ, or other event streaming/messaging platforms.

Experience with payments systems, transaction processing, or financial services domain.

Practical experience with CI/CD, Git-based workflows, and automated testing frameworks.

Sound understanding of microservices architecture, design patterns, and clean coding principles.

Soft Skills

Strong communication and stakeholder collaboration.

Ability to work in fast-paced, Agile international teams.

Problem-solving mindset and ownership-driven approach.

Exposure to event-driven architectures and distributed systems.

Experience working in regulated environments: banking, fintech, payments.

Knowledge of CloudFormation

Familiarity with monitoring tools

Understanding of security best practices, API throttling, encryption, rate limiting.