1 day ago
Responsibilities
- Design, build, and maintain RESTful APIs and backend services using .NET Core and C#.
- Develop scalable, secure, high-performance microservices and cloud-native applications on Azure.
- Integrate Azure App Configuration, Key Vault, Redis Cache, Service Bus, Event Grid, Blob Storage, Azure SQL, and Azure Kubernetes Service.
- Build and manage containerized applications and support environment-based deployments.
- Integrate AI agentic models, Azure OpenAI, and third-party AI services into application workflows.
- Implement messaging integrations using Azure Service Bus and Kafka, plus API management through APIGEE.
- Configure CI/CD pipelines using GitLab and Harness.
- Design and optimize SQL Server and Azure SQL schemas, stored procedures, indexes, and query performance.
- Conduct code reviews and enforce secure coding, observability, scalability, and other engineering practices.
- Collaborate with DevOps, QA, architects, and product teams in Agile sprint delivery.
- Track and document work in JIRA and Confluence.
- Support production systems, troubleshoot incidents, and drive reliability improvements.
Requirements
- At least 5 years of professional backend or full-stack .NET development experience.
- Expertise in .NET Core and C#, including API design, middleware, filters, exception handling, and logging.
- Knowledge of JWT, OAuth concepts, authentication, authorization, performance optimization, and secure coding.
- Experience with Azure App Configuration or App Settings, Key Vault, Redis Cache, Service Bus, Event Grid, Blob Storage, Azure SQL, SQL Server, and AKS.
- Experience with GitLab source control and Harness CI/CD pipeline configuration, deployments, and rollback strategies.
- Knowledge of microservices, CQRS, DDD, event-driven architecture, API gateways, transaction management, and data consistency patterns.
- Experience using JIRA, Confluence, SoapUI, or Postman.
- Bachelor’s degree or equivalent in Computer Science, Software Engineering, or a related field.
- Fiserv products experience is required.
- ReactJS and TypeScript experience for full-stack UI integration is preferred.
- Snowflake, Kafka, APIGEE, Splunk, Kendo UI, Azure certifications AZ-204 or AZ-900, AI/ML tools, Microsoft Copilot integration, and SSIS experience are preferred.
Benefits
- This role is not eligible to be performed in Colorado, California, the District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine, or Washington.
Tech Stack
Categories
About Fiserv
Fiserv builds payments and financial technology for banks, credit unions, merchants, and billers, including merchant acquiring, card issuing, core banking, and digital banking platforms. It earns revenue through transaction processing, software licensing, and managed services across POS (Clover), bill pay, ACH and card networks, and risk/compliance. The public company is headquartered in Milwaukee, trades on NASDAQ/BMV, acquired First Data in 2019, and serves clients in more than 100 countries.