About the Team
We are seeking an experienced and highly skilled Backend Senior Software Engineer (Node.js / API) to join the Digital Business Banking team. This team is responsible for building scalable, secure, and high-performance backend services supporting payments, onboarding, and money movement workflows.
As an Engineer, you will drive API strategy, and ensure delivery of robust, cloud-native microservices aligned with enterprise banking platforms.
What You Will Be Doing
Technical Leadership & Architecture
- Own the end-to-end backend design, and implementation of scalable API-driven systems.
- Lead development using Node.js, TypeScript, and microservices architecture.
- Define standards for API design, service communication, data flow, event-driven patterns, and security.
- Evaluate modern tools and technologies to enhance system scalability, resilience, and observability.
Core Engineering & Delivery
- Design and build RESTful APIs, backend services, and event-driven applications.
- Develop and maintain microservices hosted on AWS (Lambda, ECS/EKS, API Gateway, SQS/SNS).
- Ensure high performance, scalability, and fault tolerance across distributed systems.
- Guide implementation of API Gateway (Kong preferred), service mesh, and integration frameworks.
Problem Solving & Technical Ownership
- Translate business and domain requirements into scalable backend solutions.
- Troubleshoot complex issues across services, integrations, and cloud environments.
- Optimize application performance, latency, memory usage, and data processing efficiency.
Quality, Testing & Governance
- Implement strong backend testing practices including unit, integration, and contract testing.
- Drive code quality using static code analysis, security scanning (DevSecOps), and best practices.
- Introduce governance for observability, logging, monitoring, and CI/CD automation.
Collaboration & Mentoring
- Work with Product, Frontend, QA, Cloud, Security, and Architecture teams.
- Mentor developers and drive adoption of backend best practices and standards.
- Lead design discussions, API reviews, and technical roadmap planning.
What You Bring
- 7–10+ years of backend development experience with leadership responsibilities.
- Strong expertise in Node.js, TypeScript, Express/NestJS frameworks.
- Deep knowledge of REST APIs, microservices architecture, and integration patterns.
- Experience with AWS cloud services (Lambda, API Gateway, ECS/EKS, SQS/SNS, DynamoDB, RDS).
- Strong database experience with SQL (Oracle/SQL Server) and distributed data systems.
- Experience with event-driven architecture and messaging systems (Kafka/SNS/SQS).
- Hands-on experience with CI/CD pipelines, Docker, Kubernetes, and DevOps practices.
- Familiarity with API Gateway (Kong preferred) and API lifecycle management.
- Exposure to security best practices and DevSecOps workflows.
- Strong problem-solving, debugging, and analytical capabilities.
- Excellent communication and stakeholder management skills.
Nice to Have: Exposure to AI/LLM integrations, real-time processing
What We Offer You
- Leadership role in building critical backend systems for digital banking platforms.
- Opportunity to design large-scale distributed systems in a FinTech environment.
- Collaborative and innovation-driven culture.
- Access to continuous learning and career growth opportunities.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
Applicants for US based positions must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for US based positions.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.











