We are seeking an API Engineer with strong DevOps expertise to help design, build, and scale the Core Banking API Engine. You will be responsible for developing mission-critical APIs and microservices using .NET Core, automating deployments with CI/CD pipelines, and ensuring banking-grade security, compliance, and high availability.
This role is central to connecting the core banking system with digital channels, fintechs, and partner ecosystems, making it a critical position in Finedge’s growth.
Key Responsibilities API Development:
Design, develop, and maintain Core Banking APIs using .NET Core (C#).
Build microservices that support account management, payments, loans, treasury, and compliance modules.
Define and enforce API standards (OpenAPI/Swagger, JSON, gRPC).
Integrate with core banking systems (Finedge, Temenos, Flexcube, Finacle, or custom-built engines).
Ensure backward compatibility and versioning for APIs in production.
DevOps & Infrastructure:
Build and maintain CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins).
Containerize services with Docker and manage orchestration with Kubernetes (AKS/EKS/GKE).
Automate infrastructure with Terraform/ARM templates (IaC).
Monitor API performance and uptime using Prometheus, Grafana, ELK, New Relic, or Datadog.
Security & Compliance:
Implement OAuth2, OpenID Connect, JWT, and certificate-based authentication for APIs.
Secure APIs against threats (rate limiting, throttling, WAF integration).
Apply OWASP API Security Top 10 best practices.
Ensure compliance with PCI-DSS, ISO 27001, GDPR, and regional banking regulations.
Collaboration & Process:
Work closely with DevOps, and product teams to deliver features.
Participate in Agile ceremonies, sprint planning, and architecture discussions.
Write and maintain API documentation for internal and third-party developers.
Support sandbox and developer portal initiatives for external partners.
Requirements
Bachelor’s/Master’s degree in Computer Science, Software Engineering, or related field.
4+ years of backend/API engineering experience.
Expertise in .NET Core (C#) and API frameworks.
Strong experience with RESTful API design and microservices architecture.
Proficiency in Docker, Kubernetes, and CI/CD pipelines.
Knowledge of relational (SQL Server, PostgreSQL) and NoSQL (MongoDB, Redis) databases.
Experience with API Gateway platforms (Kong, Apigee, Azure API Management, or AWS API Gateway).
Familiarity with event-driven systems (Kafka, RabbitMQ, Azure Service Bus).
Strong understanding of security (SSL/TLS, secrets management, tokenization, encryption).
Preferred Skills:
Experience with Core Banking Systems (e.g., Temenos, Finacle, Flexcube, T24) is an added advantage
Knowledge of Open Banking standards (PSD2, ISO 20022, OpenAPI, FDX).
Hands-on experience with cloud platforms (Azure preferred, AWS/GCP).
Exposure to service mesh (Istio, Linkerd) for secure microservices communication.
Performance/load testing of APIs for high-volume financial transactions.
