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Jobs · Information Technology · Wisconsin

Sr .NET Full Stack Developer Remote - (ET & CT Preferred)

TSI - Transworld Systems Inc. · Appleton, WI · 1 mo ago
On-siteInformation Technology$140k/yrFull-time

Overview

Remote position. For over 50 years, Transworld Systems, Inc. has been a leader in providing business process outsourcing services, including accounts receivable management, customer relationship management, and back‑office services to a diverse customer base. Their 60,000 clients benefit from the company’s ability to address immediate business needs while fostering long‑term growth throughout the customer lifecycle.

Compensation

$95,000 – $140,000 annual salary (exempt).

Benefits

  • Team‑oriented work environment
  • Growth opportunity
  • Comprehensive benefits package: medical, dental, and vision coverage
  • 401(k) retirement plan with employer matching
  • Paid time off and paid holidays

Responsibilities

  • In‑depth knowledge of Microsoft development frameworks and tool sets – Visual Studio, ASP.NET, SQL Server, IIS
  • Experience with object‑oriented programming concepts, interfaces, and abstraction layers
  • Strong emphasis on web development and familiarity with MVC pattern and .NET Core architecture
  • Solid understanding of relational database design and experience with data access layers
  • Ability to write and maintain SQL code
  • Ability to work and write code in a team‑based environment
  • Support deployment of solutions into production environments
  • Perform testing and troubleshooting as required
  • Responsible for understanding and complying with all policies, procedures, and regulations relating to job duties
  • Perform other duties as assigned by management

Qualifications

  • Advanced experience in C# and .NET version 4.5 or newer
  • Advanced abilities coding in JavaScript, TypeScript, and AngularJS
  • Experience with ASP.NET Core & .NET MVC
  • Experience with WCF, Web API, REST, and multi‑tier distributed systems
  • Familiarity with clean code, software‑engineering standards, best practices, design patterns (Singleton, Factory, Abstract Factory, Strategy, etc.) and programming principles (KISS, DAMP, SOLID, etc.)
  • Knowledge of software architecture styles (3‑tier, N‑Tier, Clean Architecture, CQRS, Event Sourcing, Micro‑services)
  • Familiarity with gRPC, GraphQL, and OData
  • Understanding of application security (encryption, secure messaging)
  • Solid experience in SQL and data‑store technologies
  • Experience with data‑access ORMs such as Dapper and Entity Framework
  • Proficiency with JavaScript, CSS, HTML5, and JavaScript frameworks (Angular 16 or higher, Bootstrap) plus libraries (jQuery) and vanilla JavaScript
  • Comfortable with Agile processes and full‑stack software development
  • Proficient PC skills, including Microsoft Office
  • Excellent interpersonal, written, and oral communication skills
  • Ability to prioritize and organize work in a multitasked environment
  • Ability to adapt to a flexible schedule

Requirements

  • College degree in a technical field or equivalent relevant work experience
  • At least 6 years of experience as a practicing software developer
  • Ability to lift and/or move up to 20 pounds, with or without accommodation

Work Environment

  • Office environment (primarily indoors) with a moderately quiet noise level
  • Little to no travel required
  • Position may involve occasional adjustments to duties as business needs evolve

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