.NET/SAP Integrations Developer

Harrisburg, PA

Apply Apply with LinkedIn
Save

Type: Direct-Hire

Experience: 0

Education: BS

Category: Information Technology

Contractor Work Model: Remote

Brand: System One

Job ID: 345398

Date Posted: 01/23/2026

Shortcut: http://jobs.systemone.com/H34WPj


Job Title: .NET/SAP Integrations Developer
Location: Harrisburg, PA
Type: Direct Hire
Contractor Work Model: Remote

Overview
We are seeking a skilled .NET/SAP Integrations Developer to join an experienced engineering team within an established, employee-owned technology distribution firm. This strategic role focuses on the technical design, development, and support of solutions that integrate a core SAP ERP platform with various internal and external systems. As a key contributor to the application portfolio, the successful candidate will play a vital part in all phases of the software development lifecycle (SDLC) to ensure seamless data flow and system interoperability across a large-scale enterprise environment.

Job Responsibilities

  • Design and develop efficient, scalable integration solutions that adhere to established team and enterprise standards.
  • Engage actively in all SDLC phases, including requirements gathering, design reviews, code development, and unit testing.
  • Collaborate with cross-functional teams to perform integrated performance testing and ensure smooth operational hand-offs.
  • Provide post-production support and user assistance to maintain the stability of the integration landscape.
  • Facilitate the connection between SAP S/4HANA and various third-party applications or internal legacy systems.
  • Document technical specifications and architectural diagrams to support long-term system maintenance and knowledge sharing.
  • Manage project tasks independently or as a collaborative member of a high-performing development squad.

Qualification Requirements
  • Seven or more years of professional experience as a full-stack developer within a large-scale enterprise environment.
  • Deep technical knowledge of the contemporary .NET development stack and modern software architectures.
  • Strong command of Object-Oriented and Functional Design Patterns, S.O.L.I.D. principles, and distributed systems.
  • Proven expertise in API design and security, specifically regarding OpenAPI specifications, OAuth, and API Gateway management.
  • Advanced understanding of database technologies, including MS SQL Server and NoSQL solutions such as Redis, Elasticsearch, or MongoDB.
  • Practical experience with middleware technologies and message brokers like RabbitMQ.
  • Significant experience or highly preferred knowledge involving SAP technologies, specifically SAP S/4HANA, SAP BTP, and SAP APIs.
  • Demonstrated ability to navigate parallel computing challenges and complex data integration scenarios.
  • Prior experience within the wholesale or distribution industry is considered a valuable asset.

Education
  • A four-year Bachelor’s degree in Computer Science or a closely related field of study is required.




System One, and its subsidiaries including Joulé, ALTA IT Services, 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.

#M-
#LI-
#DI-

Ref: #706-IT York

  • Data Platform Developer

    Harrisburg, PA

    Job Title: Data Platform Developer Location: Harrisburg, PA Type: Direct Hire Contractor Work Model: Remote (Harrisburg, PA Area) Overview System One is seeking a Data Solutions Developer in the Harrisburg, PA area. This individual will focus on the cr...

    Date Posted: 02/19/2026 Recommended

  • Senior Software Engineer – SAP Commerce Cloud

    Harrisburg, PA

    Job Title: Senior Software Engineer – SAP Commerce Cloud Location: Harrisburg, PA Type: Direct Hire Contractor Work Model: Remote Overview We are seeking a high-level Senior SAP Commerce Cloud Engineer to spearhead the implementation of a scalable, ent...

    Date Posted: 01/23/2026 Recommended

  • SailPoint Developer

    Fort Belvoir, VA

    SailPoint Developer Fort Belvoir, VA - hybrid (2-3 days a week onsite) Secret Clearance is required to start Must be Security+ certified SailPoint Developer Role requires Java Development Experience. We are looking for candidates who are true developer...

    Date Posted: 12/11/2025 Recommended

  • Developer Team Lead

    Melbourne, FL

    Job Title: Developer Team Lead Location: Melbourne, FL Developer Team Lead Developer Team Lead Responsibilities: • Provide occasional after-hours support to answer questions and resolve problems. • Lead and mentor software developers in the implementat...

    Date Posted: 02/03/2026 Recommended

  • Sr. C# Developer

    Washington, DC

    Job Title: Sr. Software Developer (C#/ .NET) Location: Washington, DC 20036 (onsite) Compensation: $73.50 - $90.00 W2 hourly Security Clearance: Active Public Trust System One is hiring a Senior C# Software Developer on the ESA V program. ESA V is an I...

    Date Posted: 02/24/2026 Recommended

  • Senior IBM Maximo Developer

    New Orleans, LA

    Job Title: Senior IBM Maximo Developer Location: New Orleans, LA (remote) Type: Contract Compensation: $67.00 - $83.00 hourly Work Authorization: Must be US citizen or Perm Residents System One is seeking a Senior IBM Maximo Developer with deep experie...

    Date Posted: 02/24/2026 Recommended

  • ServiceNow Developer

    Alexandria , Virginia

    ServiceNow Developer Location: Alexandria, VA or D.C. (hybrid) Hourly Rate: $50/HR Min Citizenship Status Required: Must be a U.S. Citizen per client requirement ALTA IT Services has a long-term contract opening for a ServiceNow Developer. This is a hy...

    Date Posted: 12/05/2025 Recommended

  • Senior IT Applications Developer

    Pittsburgh, Pennsylvania

    Job Title: Senior IT Applications Developer Location: Pittsburgh, PA Type: Direct Hire Contractor Work Model: Hybrid Senior IT Applications Developer to join an IT Applications team responsible for development, maintenance, customization, and configura...

    Date Posted: 02/25/2026 Recommended

  • Full Stack Developer

    Merrifield, VA

    Job Title: Senior Full Stack Developer (C#/.Net, React, JS) Location: Vienna, VA Work model: hybrid, 2-3 days onsite Pay Rate: Open to W2, established 1099's, and c2c (H1 candidates only) options Position Type: Multiyear Contract This role requires som...

    Date Posted: 02/25/2026 Recommended

  • Sr Full Stack Java Developer

    Washington, DC

    Job Title: Sr Full Stack Java Developer Location: Washington, DC Type: 6 + months Contract To Hire Contractor Work Model: Hybrid (3 days onsite, rest remote) Clearance Requirements: Public Trust Please note: Employment eligibility for this position is ...

    Date Posted: 02/18/2026 Recommended

  • GENAI CCAS Application Developer

    Washington, DC

    GENAI CCAS Application Developer Location: Remote - Must be willing to travel to Gaithersburg, MD, quarterly Type: Contract Compensation: $49.00 - $60.00 hourly Contractor Work Model: Remote Opening for an early career GenAI Application Developer to bu...

    Date Posted: 02/13/2026 Recommended

  • Principal Integration Architect

    Salisbury, MD

    Job Title: Principal Integration Architect Location: Salisbury, MD Type: Direct Hire Compensation: $143000 - $210000 annually Contractor Work Model: Hybrid Summary of Role The Principal Integration Architect is responsible for gathering functional spec...

    Date Posted: 02/19/2026 Recommended

  • Product Owner

    Tulsa, Oklahoma

    Job Title: Product Owner Location: Tulsa, Oklahoma Type: Contract Compensation: $48 - $57 hourly Contractor Work Model: Hybrid Hours: M-F (8-5) with some evenings and weekends as needed The Product Owner is responsible for leading the design, implement...

    Date Posted: 02/18/2026 Recommended

  • Senior Python/AWS Application Developer (onsite)

    Washington, DC

    Senior Python / AWS Application Developer Washington, DC - ONSITE Type: Multi-year Contract Open to W2 and C2C US citizenship required per government contract Must be able to obtain Public Trust clearance As part of a team, the selected contractor will...

    Date Posted: 02/11/2026 Recommended

  • Full-Stack AWS Developer

    McLean, Virginia

    Job Title: Full-Stack AWS Developer Location: Remote (EST) Type: Contract To Hire Senior Full Stack Developer What You Will Do: The Cloud Applications Full-Stack AWS Developer will work closely with clients, digital leaders, solutions architects, and t...

    Date Posted: 12/15/2025 Recommended

  • iOS Developer (Mid - Senior Level)

    Ashburn, VA

    Job Title: iOS Developer - Mid-Senior Level Location: Vienna or Winchester, VA or Pensacola, FL Hybrid: onsite 2 days a week or 8 days a month Pay Rate: W2 only Position Type: Multiyear Contract We are looking for iOS Mobile Developers with 8-12 years ...

    Date Posted: 01/02/2026 Recommended

  • Android Developer (hybrid)

    Dallas, Texas

    Job Title: Android Developer Location: Dallas-Ft Worth TX Work Model: Hybrid (onsite 3 days/per week) Employment Type: 10 + months contract – strong chance to extend and/or roll perm A top digital consultancy that does custom mobile development is seek...

    Date Posted: 02/25/2026 Recommended

  • Data Engineer/Developer

    Fort Detrick, Maryland

    If interested reach out directly to kspicer@altaits.com or call/text 301-252-8762 Responsibilities: Support full SDLC services for LogiCole defined priorities. Communicate well on all levels to various government and contractor support personnel includ...

    Date Posted: 01/28/2026 Recommended

  • Application Architect

    Bethesda, MD

    Job Title: Application Architect Location: Bethesda, MD Type: Contract To Hire Compensation: 170- 190K Contractor Work Model: Hybrid (2 to 3 days on site in Bethesda MD) The Senior Application Architect is responsible for developing and evolving applic...

    Date Posted: 02/23/2026 Recommended

  • Junior Instructional Designer - Content Developer

    Birmingham, Alabama

    Junior Instructional Designer - Content Developer Birmingham, Alabama Contract Compensation: $25 - $28 hourly Contractor Work Model: Onsite Work schedule: 40 hours per week with required 4 days in office Summary The Junior Instructional Designer suppor...

    Date Posted: 02/18/2026 Recommended

  • Senior SDET / Full Stack Engineer (Java & Automation)

    Reston, VA

    Job Title: Senior SDET / Full Stack Engineer (Java & Automation) Location: Reston, VA – Mostly remote Type: Contract Contact: Crystal.dinnocenti@systemone.com PURPOSE: Performs complex analysis, design, development, testing, and debugging of computer s...

    Date Posted: 02/06/2026 Recommended

  • Director of Application Systems

    Hershey, PA

    Director of Application Systems Full-Time | On-Site | Hershey, PA Industry: Education / Information Technology A highly respected educational institution in Hershey, PA is seeking a Director of Application Systems to lead the strategy, reliability, and...

    Date Posted: 01/28/2026 Recommended

  • Quality Assurance Analyst - Consultant

    Columbia, South Carolina

    Job Title: Quality Assurance Analyst - Consultant Location: Columbia, SC Type: Direct Hire Compensation: $75-85K salary Contractor Work Model: Hybrid Overview We are seeking an experienced Quality Assurance Analyst with 5+ years of experience to ensure...

    Date Posted: 02/23/2026 Recommended

  • I&C Design Engineer

    Bellevue, WA

    Job Title: Design Engineer Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Remote Overview: We are seeking a talented and experienced Design Engineer specializing in Instrumentation and Control (I&C) for a contract opportunity with...

    Date Posted: 01/05/2026 Recommended

  • Test Design Engineer

    Bellevue, WA

    Job Title: Test Design Engineer Location: Bellevue, WA Type: Long-term Contract Contractor Work Model: Remote or Onsite Position Overview: We are seeking a highly motivated and skilled Test Design Engineer to join our Instrumentation and Control (I&C) ...

    Date Posted: 02/23/2026 Recommended

  • Principal Healthcare Solution Architects

    Reston, VA

    Principal Healthcare Solution Architect Location: Hybrid – DMV preferred (1 day per week onsite; PI planning may require 2 days onsite) Duration: 12-month contract (extension possible) About the Role We are seeking a Principal Healthcare Solution Archi...

    Date Posted: 02/23/2026 Recommended

  • IT Business Analyst

    Tulsa, OK

    Job Title: IT Business Analyst Location: Tulsa, OK Type: Direct Hire Compensation: $105000 - $128000 annually Contractor Work Model: Hybrid JOB DESCRIPTION IT Business Analyst – Flexible Customer Payments General Summary The IT Business Analyst for the...

    Date Posted: 02/18/2026 Recommended

  • Product Agile Coach

    Pensacola, FL

    Job Title: Senior Product Agile Coach Location: Hybrid, Pensacola, FL (3 days a week on-site) Pay Rate: $85/hr. + W2 Position Type: Multiyear Contract Description: We’re staffing a multi-year contract opening for an Agile Product Coach / SAFe Practice ...

    Date Posted: 02/09/2026 Recommended

  • Subject Matter Expert for SAP S/4HANA

    Minneapolis, MN

    Job Title: Subject Matter Expertise for SAP S/4HANA Location: Denver, CO Work Schedule: Monday–Friday, approximately 8:00 AM–5:00 PM Contract Type: This position requires a contractor who can work on a W-2 basis. Contract Duration: Long-term contract (...

    Date Posted: 02/13/2026 Recommended

  • Informatica Administrator

    Leesburg, VA

    Job Title: Informatica Administrator Location: Hybrid, out of Baltimore, MD Position Type: Long Term Contract Pay Rate: Negotiable Requirements • Perform day-to-day operational support, administration, and troubleshooting for enterprise applications an...

    Date Posted: 02/06/2026 Recommended