IT EDI Developer - Senior

St. Louis, MO, us on site Until 8/22/2026 H-1B sponsor history First posted March 27, 2025 Last posted March 27, 2025
Job description

My Name is Larry and I am a Recruiter with JNIT Technologies I am writing to you regarding work experience in connection with various opportunities with JNIT Technologies Specifically, we are looking “IT EDI Developer” and noticed you have the relevant skills and experience.

Please let me know the best time and number to contact you so we can discuss your interest and availability. Alternatively, please feel free to call me on 972-737-8248 at your convenience. Reach me 

Position - IT EDI Developer - Senior  

Location: St.Louis, MO

Duration: 6 Month Contract TO HIRE

End Client: Express Scripts

POSITION SUMMARY: B2B/EDI engineer responsible for detail design, development, documentation, debugging and implementation of B2B/EDI solutions. Recommends changes and enhancements to improve quality of products and/or procedures.

ESSENTIAL FUNCTIONS

· Participate in developing software according to established requirements, technical plans, standards and system architecture specifications.

· Utilize development practices that adhere to the Express Scripts Inc. (ESI) and B2B department policies, procedures and patterns ("Best Practices").

· Architect, design, development, test, and implementation of applications.

· Architect, design and implement a highly available and supportable run time environment.

· Assist in building technical standards, methodologies and processes for successfully building first class external client integration (B2B) environment.

· Resolve daily technical (support) issues and communicate solutions to the business community and technical staff.

· Write documentation describing program development, logic, coding, and corrections.

· Provide assistance to IT team members with issues needing technical expertise or systems and/or programming knowledge.

QUALIFICATIONS

· Advanced WTX/Mercator programming skills.

· Advanced UNIX/Linux skills.

· Advanced knowledge of client integration (B2B) concepts and Electronic File Standards/Formats

o x12 EDI

o XML

o NCPDP

o HIPAA 

Larry Woods

JNIT Technologies Inc

Tel: 972-737-8248/ Fax: 732-579-5515

1900 Enchanted Way, Suite 200, Grapevine, TX 76051

All your information will be kept confidential according to EEO guidelines.

About this role

Summary

Design, develop, test, and implement B2B/EDI solutions; resolve technical issues; document processes.

Job title

IT EDI Developer - Senior

Experience level

senior level

Industry

software

Location requirements

On-site in St. Louis, MO, no remote work mentioned

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

WTX/MercatorUNIX/LinuxB2B conceptsEDI standardsXMLNCPDPHIPAA

Preferred skills

None specified

Specializations

EDIB2BXMLHIPAAMercator
Locations

Structured locations inferred from the posting.

St. Louis, MO, USA

On-site City