

TEKsystems
ION API Developer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for an ION API Developer on a contract-to-hire basis, fully remote, with a pay rate of $55.00 - $65.00/hr. Requires 5+ years of experience in XML, JSON, SQL, and REST APIs, along with strong communication skills.
π - Country
United States
π± - Currency
$ USD
-
π° - Day rate
520
-
ποΈ - Date
January 8, 2026
π - Duration
Unknown
-
ποΈ - Location
Remote
-
π - Contract
Unknown
-
π - Security
Unknown
-
π - Location detailed
Tulsa, OK
-
π§ - Skills detailed
#POSTMAN #Programming #Strategy #"ETL (Extract #Transform #Load)" #SQL (Structured Query Language) #XML (eXtensible Markup Language) #REST API #Cloud #API (Application Programming Interface) #JSON (JavaScript Object Notation) #Classification #REST (Representational State Transfer)
Role description
Description
Opportunities and Responsibilities
β’ Manage and extend capabilities within the Infor CSD (Cloud Suite for Distribution) and ION Programming environment.
β’ Leverage existing APIs available through Infor to import/export data from the system
β’ Develop requirement with SMEs and stakeholders
β’ Build to modify extensions and workflows within the system
β’ Document current workflows and extensions to assist in training materials development.
β’ Serve as subject matter expert for company initiatives that require guidance with business system programming.
β’ Implement QA procedures to test the development and go-live of new programming within the system. Requirements and Qualifications
β’ Expert knowledge and experience in the following: XML, XSLT, Json, SQL including stored procedures, REST API usage (including use of Postman or other API testing tools), OAUTH2
β’ 5+ years developing within the abovementioned environments
β’ Conceptual knowledge of threading, callbacks, and sync vs. async processing
β’ Proven ability to communicate clearly and effectively both verbally and in writing to technical and non-technical audiences
β’ Proven ability to organize multiple priorities and manage time to achieve deliverables that meet or exceed service level objectives
β’ Experience working with and managing 3rd party partners is preferred Knowledge of common business processes preferred
Experience Level
Expert Level
Job Type & Location
This is a Contract to Hire position based out of Tulsa, OK.
Pay And Benefits
The pay range for this position is $55.00 - $65.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
β’ Medical, dental & vision
β’ Critical Illness, Accident, and Hospital
β’ 401(k) Retirement Plan β Pre-tax and Roth post-tax contributions available
β’ Life Insurance (Voluntary Life & AD&D for the employee and dependents)
β’ Short and long-term disability
β’ Health Spending Account (HSA)
β’ Transportation benefits
β’ Employee Assistance Program
β’ Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully remote position. Application Deadline This position is anticipated to close on Jan 12, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems And TEKsystems Global Services
Weβre a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Weβre a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Weβre strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Weβre building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
Description
Opportunities and Responsibilities
β’ Manage and extend capabilities within the Infor CSD (Cloud Suite for Distribution) and ION Programming environment.
β’ Leverage existing APIs available through Infor to import/export data from the system
β’ Develop requirement with SMEs and stakeholders
β’ Build to modify extensions and workflows within the system
β’ Document current workflows and extensions to assist in training materials development.
β’ Serve as subject matter expert for company initiatives that require guidance with business system programming.
β’ Implement QA procedures to test the development and go-live of new programming within the system. Requirements and Qualifications
β’ Expert knowledge and experience in the following: XML, XSLT, Json, SQL including stored procedures, REST API usage (including use of Postman or other API testing tools), OAUTH2
β’ 5+ years developing within the abovementioned environments
β’ Conceptual knowledge of threading, callbacks, and sync vs. async processing
β’ Proven ability to communicate clearly and effectively both verbally and in writing to technical and non-technical audiences
β’ Proven ability to organize multiple priorities and manage time to achieve deliverables that meet or exceed service level objectives
β’ Experience working with and managing 3rd party partners is preferred Knowledge of common business processes preferred
Experience Level
Expert Level
Job Type & Location
This is a Contract to Hire position based out of Tulsa, OK.
Pay And Benefits
The pay range for this position is $55.00 - $65.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
β’ Medical, dental & vision
β’ Critical Illness, Accident, and Hospital
β’ 401(k) Retirement Plan β Pre-tax and Roth post-tax contributions available
β’ Life Insurance (Voluntary Life & AD&D for the employee and dependents)
β’ Short and long-term disability
β’ Health Spending Account (HSA)
β’ Transportation benefits
β’ Employee Assistance Program
β’ Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully remote position. Application Deadline This position is anticipated to close on Jan 12, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems And TEKsystems Global Services
Weβre a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Weβre a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Weβre strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Weβre building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.






