Senior Software Engineer - Fintech Backend & API Specialist

Skill; Austin (TX); On-site; USD 85,000 - 95,000; Full time

Job summary

Aquent is seeking a Senior Software Engineer for a temporary position in Austin, TX. You will contribute across the full software development lifecycle, building secure, scalable financial technology solutions in a fast-paced, collaborative environment.

Responsibilities include translating complex requirements into robust applications, designing services across the tech stack, and conducting comprehensive testing. Strong C#/.NET, Angular, REST, SOAP, and cloud-native experience are essential.

Qualifications

• Proficiency in C# / .NET for backend services.
• Experience with Angular front-end (TypeScript, HTML, CSS).
• Strong API development experience with RESTful services.
• Familiarity with SOAP web services and legacy integrations.
• Cloud Foundry deployment experience.
• Use of AI-assisted development tools like GitHub Copilot.
• Experience with unit, integration, and manual testing; test plans.

Responsibilities

• Interpret complex requirements into high-quality software solutions.
• Design, develop, and maintain backend and frontend components.
• Investigate client-reported issues and document resolutions.
• Maintain software, fix defects, and ensure performance.
• Create and execute unit/integration/manual tests; document results.
• Propose innovative solutions to defects found during testing.
• Collaborate with analysts, QA, and engineers in an agile setting.

Skills

C# / .NET

Angular (TypeScript)

REST APIs

SOAP Services

Cloud Foundry

GitHub Copilot

Testing (unit/integration)

AI-assisted development

CI/CD pipelines

SQL Server

Tools

Git

CI/CD

SQL Server

Job description

Aquent is seeking a Senior Software Engineer for a temporary position in Austin, TX. You will contribute across the full software development lifecycle, building secure, scalable financial technology solutions in a fast-paced, collaborative environment.

Responsibilities include translating complex requirements into robust applications, designing services across the tech stack, and conducting comprehensive testing. Strong C#/.NET, Angular, REST, SOAP, and cloud-native experience are essential.