New

Software Engineer III

TEKsystems
$80.00 / hr
life insurance, sick time, 401(k), retirement plan
United States, Illinois, Deerfield
Oct 25, 2025
Description TEKsystems is seeking a developer that can help one of our clients in the Northwest suburbs of Chicago. This is a long term contract. Skills RTC Protocols, S/SIP, S/RTP, SDP, WebRTC, GraphQL, Scrum, Agile, WebSocket, Network Programming Top Skills Details RTC Protocols,S/SIP,S/RTP,SDP,WebRTC,GraphQL,Scrum,Agile,WebSocket,Network Programming Additional Skills & Qualifications Knowledge of the FreeSWITCH source codebase and experience modifying it Deep knowledge of FreeSWITCH (or Asterisk or similar platform) administration Experience with Lua programming Experience with Kubernetes Experience with Azure Experience with client-side RTC development, especially using PJSIP Experience with cloud media infrastructure (load balancers, gateways, SBCs, STUN, TURN) Pay and Benefits The pay range for this position is $80.00 - $80.00/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: * Medical, dental & vision * Critical Illness, Accident, and Hospital * 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available * Life Insurance (Voluntary Life & AD&D for the employee and dependents) * Short and long-term disability * Health Spending Account (HSA) * Transportation benefits * Employee Assistance Program * 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 Oct 31, 2025. 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 We're 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. We're 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. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're 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.