1 day ago
Responsibilities
- Design, build, and maintain RESTful APIs and backend services using C# and .NET Core.
- 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, and Azure SQL.
- Build and manage containerized applications using Azure Kubernetes Service.
- Integrate AI agentic models, Azure OpenAI, and third-party AI services into application workflows.
- Implement messaging with Azure Service Bus and Kafka and API management with APIGEE.
- Configure CI/CD pipelines using GitLab and Harness and support environment-based deployments.
- Design and optimize SQL Server and Azure SQL schemas, stored procedures, indexes, and queries.
- Conduct code reviews and enforce secure coding, observability, scalability, and engineering best practices.
- Collaborate with DevOps, QA, architecture, and product teams in Agile sprint delivery.
- Track and document work in JIRA and Confluence.
- Support production systems, troubleshoot incidents, and improve reliability.
Requirements
- At least 5 years of professional backend or full-stack .NET development experience.
- Expertise with .NET Core, C#, RESTful API design, middleware, filters, exception handling, and logging.
- Knowledge of JWT, OAuth, authentication, authorization, performance optimization, and secure coding.
- Experience with Azure App Configuration, Azure Key Vault, Azure Redis Cache, Azure Service Bus, Azure Event Grid, Azure Blob Storage, Azure SQL, and Azure Kubernetes Service.
- Experience with GitLab source control and Harness CI/CD pipeline configuration, deployments, and rollback strategies.
- Knowledge of microservices, CQRS, domain-driven design, event-driven architecture, API gateways, transaction management, and data consistency patterns.
- Experience with JIRA, Confluence, SoapUI, and Postman.
- Bachelor’s degree or equivalent in Computer Science, Software Engineering, or a related field.
- Fiserv products experience is required.
- Preferred experience includes ReactJS, TypeScript, Snowflake, Kafka, APIGEE, Splunk, Kendo UI, Azure certifications AZ-204 or AZ-900, AI/ML tools, Microsoft Copilot, and SSIS.
Benefits
- The 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.
- Fiserv is an equal opportunity employer and provides reasonable accommodation during the hiring process.
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.