Senior Full-Stack Engineer: C#/NET & React/Angular

FirsTech; Champaign (IL); On-site; USD 106,000 - 150,000; Full time

Benefits offered by this job

401(k) match

Profit sharing

Employee stock purchase plan

Paid time off

Medical

Dental

Vision

Company‑paid life insurance and long‑/

Disability insurance

Wellness incentives

HSA / FSA

Job summary

Busey Bank is seeking a Software Engineer III to design and build full‑stack features on our payment platform. You’ll work on APIs and data models in C#/.NET and UI in Angular/React, mentoring peers and guiding architecture with senior leadership.

The role emphasizes hands‑on contribution, SOLID design principles, and collaboration in an Agile environment, with opportunities to lead technically and influence customer solutions.

Qualifications

• Backend and frontend full‑stack capabilities with API design and UI development.
• Strong knowledge of C#, .NET and SQL Server; Azure and Kubernetes experience appreciated.
• Experience with Angular/React and modern CI/CD practices.

Responsibilities

• Design and build full‑stack features from API and data model to Angular/React UI.
• Translate customer and product requirements into working solutions within existing frameworks.
• Serve as subject‑matter expert and point of contact for assigned platforms, including customer interaction.
• Propose architectural improvements and drive delivery practices.
• Mentor junior engineers and participate in code reviews.

Skills

C#

.NET

Angular

React

Azure

Kubernetes

GitHub Actions

Visual Studio

Jira

Auth0

SQL Server

MongoDB

Education

Bachelor’s Degree Preferred or equivalent practical experience

Tools

Visual Studio

GitHub

MongoDB

GitHub Actions

Azure

IIS

Job description

Busey Bank is seeking a Software Engineer III to design and build full‑stack features on our payment platform. You’ll work on APIs and data models in C#/.NET and UI in Angular/React, mentoring peers and guiding architecture with senior leadership.

The role emphasizes hands‑on contribution, SOLID design principles, and collaboration in an Agile environment, with opportunities to lead technically and influence customer solutions.