100% Remote:: MS DOS 4.0 Developer

Overview

Accepts corp to corp applications
Contract - Independent
Contract - W2
Contract - 12 month(s)

Skills

Recruiting
Innovation
Multitasking
Management
MS-DOS
x86 assembly language
C
DOS
File Systems
TASM
Microsoft
Debugging
Computer Hardware
Soft Skills
Conflict Resolution
Problem Solving
Reverse Engineering
Documentation
Communication

Job Details

Who We Are:

TekIntegral Inc. isn't just another staffing company, we're a hub of innovation, connecting top talent with the client needs.

Recognized for 140% growth in the past three years.

Our Moto - Right Talent. Right Time. Right Place. Right Price.

Please find below the job description.

Position: MS DOS 4.0 Developer
Location: Remote
Type: Contract

Visa: "The client is not willing to sponsor visas at this time." "

Description:

Skills Required: Must have

  • A contract requirement for a MS-DOS 4.0 (not PC DOS 4.0) developer

Technical Expertise

  • Strong knowledge of MS-DOS 4.0 internals (not PC-DOS): kernel structure, multitasking features, memory management changes introduced in MS-DOS 4.0.
  • Proficiency in x86 Assembly (8086/80286).
  • Strong C programming skills targeting real-mode DOS environments.
  • Experience with DOS interrupts (especially INT 21h, INT 10h, INT 13h, INT 16h, etc.).
  • Knowledge of FAT16 file system internals.
  • Hands-on experience with TSR programming and interrupt hooking.

Tools & Environment

  • Experience using MASM/TASM, Borland/Turbo C, Microsoft C compilers.
  • Familiarity with legacy debugging tools (DEBUG, SYMDEB, CodeView).
  • Ability to work with old build environments, floppy-disk boot images, and vintage hardware/emulators (e.g., DOSBox, PCem, 86Box).

Soft Skills

  • Strong problem-solving skills for reverse-engineering or restoring undocumented legacy code.
  • Ability to work independently with minimal documentation.
  • Excellent communication skills for documenting complex legacy processes.



Email



Why Work with us ?

TekIntegral is an equal opportunity employer, dedicated to fostering a workplace where diverse talents and perspectives are valued.

We make all employment decisions based on merit, ensuring a culture of respect, fairness, and opportunity for all, regardless of age, gender, ethnicity, disability, or other protected characteristics.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.