Back to Jobs search

Full-Stack Application Engineer

System One • Schaumburg, IL • 3h ago

Job Title: Full-Stack .NET Application Engineer

Location: Schaumburg, Illinois

Type: Contract To Hire

Compensation: $105,000 annual

Work Model: Hybrid - onsite and remote

Hours: 40.0:

Responsibilities

Design, develop, and maintain full-stack applications using .NET / .NET Core, C#, RESTful APIs, and modern UI frameworks, primary focus on backend development (~60%) and significant frontend responsibilities (~40%)

Maintain and enhance existing ELD(Executive Liability Division) applications, frameworks, and shared libraries

Design and implement new features aligned with ELD(Executive Liability Division) business processes and workflows

Troubleshoot production issues and provide ongoing application support

Ensure compliance with security, performance, and architectural standards

Contribute to modernization initiatives, including framework evolution and technical debt reduction

Collaborate with cross-functional teams to define, design, and deliver high-quality solutions

Participate in code reviews, testing, CI/CD, and deployment processes

Requirements

Strong experience with .NET / .NET Core and C#

Hands-on experience with Entity Framework Core (EF Core) and ORM best practices

Proven experience designing and developing RESTful APIs and microservices architectures

Solid understanding of object-oriented programming (OOP), design patterns, and clean architecture principles

Experience with SQL Server or other relational databases, including query optimization, indexing, and stored procedures

Familiarity with authentication and authorization mechanisms (OAuth, JWT, identity frameworks)

Experience with modern JavaScript frameworks (Angular, React, Vue, etc.)

Angular strongly preferred; candidates without Angular experience must demonstrate ability to ramp quickly

Strong proficiency in: TypeScript, JavaScript (ES6+), HTML5, CSS3, responsive design principles, component-based UI architectures, familiarity with UI libraries like Angular Material or Bootstrap

Modern engineering practices including using Git, CI/CD pipelines, containerization (Docker), and cloud platforms (Azure preferred)

Exposure to or experience with AI-assisted development tools such as GitHub Copilot is a plus

Ability to work independently and within a team, with strong communication skills

Knowledge of microservices, distributed systems, event-driven architectures, and API gateways is a plus

Prior experience in insurance or underwriting systems and legacy system modernization initiatives is desirable

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

Ref: #861-Cincinnati-S1

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

Similar Jobs

Equipment Tech

Rush University Medical Center • Oak Park, IL • 3h ago

IT & Engineering

Job Description Location: Oak Park, Illinois Business Unit: Rush Oak Park Hospital: Rush Oak Park Hospital Department: Central Processing Department Work Type: Full Time (Total FTE between 0.9 and 1.0) Shift: Shift 2 Wor...

3h ago

Go to Apply

Adjunct Faculty, Continuing Education - Adult Computers

College of DuPage • Glen Ellyn, IL • 12h ago

IT & Engineering

This job was posted by https://illinoisjoblink.illinois.gov : For more information, please see: https://illinoisjoblink.illinois.gov/jobs/13666961 Adjunct Faculty, Continuing Education - Adult Computers Adjunct Faculty,...

12h ago

Go to Apply

Pipe Stress Engineer

System One • Naperville, IL • 14h ago

IT & Engineering

Job Title: Pipe Stress Engineer Location: Remote Type: Contract Overview System One has an exciting opportunity for Pipe Stress Engineer to support commercial nuclear projects. Responsibilities Perform stress analyses fo...

14h ago

Go to Apply

Sr. Business Analyst, Network Business Enablement Strategy and Transformation Team

Capital One • Riverwoods, IL • 1d ago

IT & Engineering

Sr. Business Analyst, Network Business Enablement Strategy and Transformation Team Summary: Join the Network's newly established Network Business Enablement Strategy & Transformation Team. As a Senior Business Analys...

1d ago

Go to Apply

Software Quality Assurance Engineer - III

DivIHN Integration, Inc • Hoffman Estates, IL • 1d ago

IT & Engineering

This job was posted by https://illinoisjoblink.illinois.gov : For more information, please see: https://illinoisjoblink.illinois.gov/jobs/13666796 For further inquiries about this opportunity, please contact one of our T...

1d ago

Go to Apply

Engineer Embedded Software 3

Apex Systems • Rolling Meadows, IL • 1d ago

IT & Engineering

This job was posted by https://illinoisjoblink.illinois.gov : For more information, please see: https://illinoisjoblink.illinois.gov/jobs/13664505 Job Description: Embedded Software Engineer 3 Location:Rolling Meadows, I...

1d ago

Go to Apply

ENTRY LEVEL 3rd Shift Cleanroom Technician

Aerotek • Buffalo Grove, IL • 1d ago

IT & Engineering

ENTRY LEVEL MACHINE OPERATOR 3rd shift: 6pm-6am on the rotating schedule pay up to $19.80/hr Responsibilities Follow all safety procedures, including the use of PPE as required. Move inventory to various locations manual...

1d ago

Go to Apply

Quality Technician

ManpowerGroup • Melrose Park, IL • 1d ago

IT & Engineering

Our client, a leading food manufacturing organization, is seeking a Quality Technician to join their team. As a Quality Technician, you will be part of the Quality Assurance Department supporting the Meat division. The i...

1d ago

Go to Apply

Firmware Engineer I

Resideo • Aurora, IL • 1d ago

IT & Engineering

Entry-level professional role responsible for supporting embedded systems firmware development activities within a defined technical scope. Applies foundational engineering knowledge to assist with coding, debugging, tes...

1d ago

Go to Apply

Chemical Lab Technician

Actalent • Melrose Park, IL • 1d ago

IT & Engineering

Job Title: Chemical Lab Technician - First Shift Job Description The Chemical Lab Technician works hands-on in an industrial metallurgical laboratory, preparing metal samples and performing a variety of chemical and phys...

1d ago

Go to Apply

Subscribe to get new jobs sent directly to you
(no charge, cancel anytime)