Windows Phone developer----------------Need GC and USC

Seattle, WA, us on site Until 8/22/2026 First posted February 23, 2026 Last posted February 23, 2026
Job description

Businesses face challenges every day building responsive and agile IT capabilities to grow and stay ahead. Since everyone has access to the same tools, your competitive advantage directly depends on how you apply technology – on the people leading, supporting and optimizing your IT initiatives. USM Business Systems, established in 1999, is an industry-leading private talent management firm, specializing in providing unique IT turnkey solutions, IT staffing solutions, and Talent management insights, enabling you to sustain a truly competitive advantage in this fast-moving environment. USM has offices throughout the US and offshore delivery centers in India. USM is a certified Minority Business Enterprise and is a CMMi Level 3 Organization.

USM is recognized as one of the fastest growing IT Temporary Staffing firms in the US and most recently was ranked #3 on the list of the Top Temporary Staffing firms in the DC Metro Area – Washington Business Journal (2016).

Windows Phone developer

Duration: 2 years

Location: Seattle, WA

Need GC and USC

Required Skills:

Top Three Skills:

1. Windows Phone development (XMAL)

2. Agile (experience creating mobile apps within 2 week iterations)

3. 2+ years integrating mobile functionality with API's

4. Experience with X Code

Job Description:

This person will be doing 100% new development on a next-gen, industry leading enterprise mobile application.

The Mobile Key application provides an open-source, secure single-sign on capability to all other AT&T products and services.

On a daily basis, they will be given use cases from the Security Architecture Team and asked to perform entirely new development. This person will be developing new secure, single-sign on capabilities/portal for the rest of the enterprise.

This will be a true agile environment with daily stand-ups and two week iterations.

This is an agile, continuous integration environment.

Current Technology Stack:

If you are interested in the below position please forward your profile to Preethib@usmsystems(dot)com or call me on 703 468 0398

About this role

Summary

Developing secure, enterprise mobile applications with API integration in an agile environment.

Job title

Windows Phone developer

Experience level

2+ years

Industry

it services

Location requirements

Seattle, WA, US; on-site; GC/USC required

Salary

Not specified

Management role

No

Skills & keywords

Required skills

windows phone developmentagileapi integrationxmali

Preferred skills

None specified

Specializations

windows phoneapi integrationagilexmali
Locations

Structured locations inferred from the posting.

Seattle, WA, USA

On-site City