Full stack developer Jobs in Chicago, IL

The Homeland Sector within Leidos is seeking a C Full Stack Developer with strong systems software cloud and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions specifically screening and processing travelers at the ports of entry (POEs) into the United States

This position is focused on the devices attached to workstations and client applications associated with these areas including fingerprint readers and document scanners. Leidos is looking for a software engineer that can code in C and help troubleshoot Windows environment issues arising with the devices. Ideally this individual will work independently and with other members of the Device team in research and evaluating new devices develop code and wrappers layers for the devices assist in the testing of the new devices and supporting deployment of the software and the devices to the workstations to ensure that all systems are working properly. This position also requires an individual to support testing with all of the client application teams as part of the testing phase of the new addition this person must be available to support issues or concerns associated with the travelers if the need ever arrives. This includes participating in on-call rotation over evenings holidays and weekends if it is needed.

• This position REQUIRES the candidate to be in Ashburn VA twice a week

Minimum Qualifications :

Over 5-10 years of experience coding in C Java or other Windows type languages.

BS / BA degree and 10 years of related experience or Masters with 8 years of related experience; OR 4 years of related experience in lieu of degree

Must be able to maintain and obtain a CBP Background Investigation prior to start

Must be a US citizen

Experience in Troubleshooting problems

Good Customer interaction and communication

Good communication skills including documentation and ticket resolution

On rare occasions be willing to support the contract in evening weekend and holidays is ever needed

Willing to travel to the DC area once or twice a week (on-site visits to Ashburn and occasional visit to Dulles airport to support pilot projects)

Can work with a team or independently

Experience in Windows Software Center and looking into logs to determine cause of issues.

Preferred Qualifications :

Knowledge of fingerprint readers cameras and document scanners

Knowledge of different type of travel documents

DHS BI clearance

Develop test cases for testers to use during the testing phase

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting : January 20 2026

For U.S. Positions : While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range :

Pay Range $107900.00 - $195050.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.

Required Experience :

IC

Key Skills

Abinitio,Administration And Accounting,Android,Bid Management,Inventory Management,Embedded C

Employment Type : Full-Time

Experience : years

Vacancy : 1

Monthly Salary Salary : 107900 - 195050