Senior Software Engineer – Payment Systems

IntraEdge, Inc.; Hyderabad; On-site; INR 3,500,000 - 6,000,000; Full time

Job summary

IntraEdge, Inc. seeks a Senior Software Engineer for Payments & Distributed Systems in Hyderabad. You will design and build scalable payment processing apps supporting Wire, ACH, and RTP, with REST APIs and microservices.

Responsibilities include backend processing, event-driven architecture, and secure integrations. Proficiency in Docker, Kubernetes, and frontend frameworks is required, with collaboration across teams.

Qualifications

• 6+ years of professional software development experience.
• Strong experience in payment systems, preferably Wire, ACH, and RTP.
• Strong hands-on experience developing REST APIs and microservices.
• Strong understanding of distributed systems and high-volume transaction processing.
• Proven experience with concurrency and thread-safe application design.
• Hands-on experience with Docker and Kubernetes.
• Experience with API Connect (APIC) or similar enterprise API management platforms.
• Experience with frontend frameworks: Angular, React, or Vue.js.
• Strong understanding of software development lifecycle and Agile methodologies.
• Strong debugging, problem-solving, and analytical skills.

Responsibilities

• Design, develop, and maintain highly scalable payment processing applications supporting Wire, ACH, and RTP transactions.
• Develop robust backend services using REST APIs and microservices architecture.
• Build distributed systems capable of handling high-volume, concurrent, and mission-critical payment transactions.
• Design applications with focus on concurrency, thread safety, fault tolerance, scalability, and reliability.
• Develop backend processing components for transaction validation, routing, processing, status management, and exception handling.
• Implement secure and reliable integrations with internal and external payment systems.

Job description

Senior Software Engineer - Payment Systems

Experience: 6+ Years

Role: Senior Software Engineer - Payments & Distributed Systems

Job Overview

We are looking for an experienced Senior Software Engineer with 6+ years of hands‑on experience in software development, payment processing, distributed systems, and modern API-driven architectures. The ideal candidate will have strong knowledge of Wire, ACH, and RTP payment systems, along with expertise in REST APIs, microservices, backend processing, and event-driven architectures.

The candidate will be responsible for designing, developing, integrating, and supporting highly scalable and reliable payment applications that process critical financial transactions.

Key Responsibilities

• Design, develop, and maintain highly scalable payment processing applications supporting Wire, ACH, and RTP transactions.


• Develop robust backend services using REST APIs and microservices architecture.


• Build distributed systems capable of handling high-volume, concurrent, and mission-critical payment transactions.


• Design applications with strong focus on concurrency, thread safety, fault tolerance, scalability, and reliability.


• Develop backend processing components for transaction validation, routing, processing, status management, and exception handling.


• Implement secure and reliable integrations with internal and external payment systems.


• Work with API Connect (APIC) for API management, integration, routing, security, and enterprise connectivity.


• Develop and integrate event-driven services using messaging or event-streaming technologies.


• Design loosely coupled, asynchronous components to support scalable payment processing workflows.


• Develop frontend components and user interfaces using Angular, React, or Vue.js where required.


• Containerize applications using Docker and deploy/manage workloads using Kubernetes.


• Participate in application design, development, code reviews, testing, deployment, and production support.


• Troubleshoot complex application, integration, performance, and production issues.


• Collaborate with architects, product owners, QA engineers, DevOps teams, and business stakeholders.


• Contribute to technical documentation, development standards, and engineering best practices.

Required Skills & Experience

• 6+ years of professional software development experience.


• Strong experience in payment systems, preferably Wire, ACH, and RTP.


• Strong hands‑on experience developing REST APIs and microservices.


• Strong understanding of distributed systems and high-volume transaction processing.


• Proven experience with concurrency and thread-safe application design.


• Strong backend development and transaction-processing experience.


• Experience with API Connect (APIC) or similar enterprise API management platforms.


• Hands-on experience with Docker and Kubernetes.


• Good understanding of asynchronous processing, messaging, queues, and event-based integration.


• Experience with at least one modern frontend framework: Angular, React, or Vue.js.


• Strong understanding of software development lifecycle and Agile methodologies.


• Strong debugging, problem-solving, and analytical skills.

Preferred Skills

• Experience with spec-driven development and contract-first API development.


• Experience with OpenAPI/Swagger and API specifications.


• Knowledge of payment standards and financial transaction processing.


• Experience with Kafka or other event-streaming/messaging platforms.


• Experience with cloud platforms such as AWS, Azure, or GCP.


• Experience with CI/CD, Git, automated testing, and DevOps practices.


• Understanding of payment security, transaction integrity, auditability, and regulatory requirements.

Technical Skills

Frontend: Angular | React | Vue.js

Development: Spec-Driven Development | API Design | Agile | CI/CD

Education

Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related technical discipline.