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.
À propos de Cognizant
Cognizant (NASDAQ : CTSH) est un AI Builder et une entreprise de services numériques (ESN) élaborant des solutions complètes d’IA maximisant les investissements pour des résultats concrets. Sa profonde expertise des métiers, des processus et des technologies lui permet d’intégrer dans les systèmes technologiques le contexte unique de chaque organisation de l’ingénierie à la production à l’échelle. Son objectif : améliorer l’efficacité des équipes, créer de la valeur et permettre aux grandes entreprises de rester performantes dans un monde qui évolue rapidement. Pour en savoir plus : cognizant.ai ou @cognizant.
Renseignments suppplémentaires sur l'emploi
Les informations relatives à la rémunération du poste à pourvoir dépendent de la date de publication de l’offre de poste. Cognizant se réserve le droit de modifier ces informations à tout moment, sous réserve des lois applicables.
Cognizant est un employeur soucieux de l'égalité des chances entre candidats. Votre candidature sera étudiée indépendamment de votre race, couleur, sexe, religion, croyances, orientation sexuelle, identité de genre, origine, handicap, informations génétiques, grossesse, statut d'ancien militaire ou de toute autre critère jugé discriminant par les lois européennes ou françaises.
Vous êtes porteur d'un handicap, vous pouvez-nous contacter par courriel [email protected] si vous souhaitez préciser les aménagements nécessaires pour le poste ou les entretiens à venir.
Les candidats peuvent être invités à participer à des entretiens en face à face ou par vidéoconférence. En outre, les candidats peuvent être amenés à présenter une carte d'identité valide lors de chaque entretien.







