Stretch-it Concepts Limited is a Lagos, Nigeria-based human resources (HR) outsourcing and consulting firm founded in 2009 to help businesses improve HR practices and achieve strategic goals. The company provides services such as recruitment, performance management, and training and development, aiming to attract, develop, motivate, and retain a diverse workforce for organizations of all sizes
Job Overview
- 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.
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.
Method of application
Meet the Qualifications? Email your CV to [email protected] using the job title e.g “Application – Human Resource Manager (IT Solutions Company)” as the subject of the mail.