Sr. Application Developer

*Senior** Application Developer (Conversational AI & Real-Time Systems)* *Location:* Onsite, 5 days per week, Carrollton, TX
*Employment Type:* Contract-to-Hire
*About the Opportunity* Join a high-impact engineering team building next-generation conversational and communication platforms that power real-time customer interactions at scale. This team owns critical services across voice, SMS, virtual agents, and contact center integrations.
You will be part of a specialized Natural Language and Automation team, a small and highly collaborative group where each engineer has meaningful ownership and direct influence on product direction. If you are excited about AI, real-time systems, and building cutting-edge customer experiences, this is a great opportunity.
*What You Will Work On*
* Design and build real-time, AI-driven conversational systems supporting voice and customer interactions
* Develop intelligent virtual agents that can:
* Understand caller intent
* Determine call routing and disposition
* Transition smoothly between automation and human agents

* Stream and process live voice data with a focus on low latency and scalability
* Build internal tools for prompting strategies, agent behavior, workflow orchestration, and call analytics
* Contribute across a modern communication stack including telephony platforms, contact centers, messaging, and conversational workflows
*Day-to-Day Responsibilities*
* Own services end-to-end including architecture, development, deployment, and production support
* Build scalable and highly available distributed systems
* Collaborate with product, analytics, and engineering teams
* Troubleshoot and resolve production issues in real time
* Work in a DevOps-focused environment with shared ownership of infrastructure and deployments
*Core Requirements*
* Strong full-stack engineering experience with emphasis on backend systems
* Hands-on experience with Golang or Python in distributed environments
* Experience working with real-time or event-driven systems
* Strong experience with AWS and Kubernetes, especially EKS
* Comfortable owning infrastructure, deployments, and system reliability
* Experience with JavaScript, TypeScript, and React
* Solid understanding of API design, CI/CD pipelines, and containerization using Docker
* Experience with NoSQL databases such as MongoDB
*Preferred Qualifications*
* Experience with telephony or VoIP systems
* Familiarity with FreeSWITCH
* Background in contact center platforms or CRM integrations
* Exposure to conversational AI or prompt engineering
* Experience with event-driven architecture
* Linux systems experience
* Experience with Infrastructure as Code such as AWS CDK or similar tools
*Why This Role Stands Out*
* Work on cutting-edge conversational AI systems in a real-world, high-scale environment
* Join a small, high-impact team where your contributions are highly visible
* Gain exposure across AI, cloud, telephony, and distributed systems
* Opportunity to convert to a full-time role
* Strong engineering culture focused on ownership and continuous learning
*Perks and Environment*
* Onsite perks including meals, snacks, and team events
* Collaborative and fast-paced environment
* Strong focus on innovation and technical excellence
*Impact* Your work will directly improve customer experience by making interactions faster, smarter, and more intuitive. You will help reduce friction in phone interactions and create more natural, human-like conversational experiences.
*Job Type & Location*This is a Contract to Hire position based out of Carrollton, TX.
*Pay and Benefits*The pay range for this position is $65.00 - $72.11/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 onsite position in Carrollton,TX.
*Application Deadline*This position is anticipated to close on May 27, 2026.

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.

*San Francisco Fair Chance Ordinance:* Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

*Massachusetts Lie Detector:* It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

*Use of Artificial Intelligence (AI):* We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.