Software Developer

Description TEKsystems seeking a Senior Software Engineer to support Department of Defense, federal, and commercial clients by designing, developing, deploying, and demonstrating feature-rich software applications. This role will participate in the full software development lifecycle while contributing to research initiatives through proof-of-concepts and prototype development. The ideal candidate is an experienced software engineer who actively develops in modern programming languages, collaborates effectively with engineering teams and clients, and stays current with emerging technologies. Candidates must be U.S. Citizens and able to successfully complete a U.S. government background investigation. Skills C#, C++, Software development, Java, .net, Python Top Skills Details C#,C++,Software development Web Frameworks- React, FastAPI, Pydantic, SQLAlchemy, or similar Additional Skills & Qualifications Additional Skills & Qualifications Bachelor's degree in Computer Science, Software Engineering, or related technical discipline Minimum 6 years of professional software development experience Active experience programming in one or more of the following: C C++ C# Java JavaScript TypeScript Excellent problem-solving and analytical skills Strong communication and collaboration abilities Ability to manage deadlines and competing priorities U.S. Citizenship required Ability to complete a U.S. government background investigation Preferred Qualifications Experience developing backend applications API implementation experience Relational and/or NoSQL database experience Mission planning application development experience DoD environment experience Experience with AI-assisted software development workflows Relevant technical certifications (Scrum, Microsoft, Google, etc.) Experience Level Expert Level Job Type & Location This is a Contract position based out of Niceville, FL. Pay and Benefits The pay range for this position is $40.00 - $70.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. 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 Niceville,FL. Application Deadline This position is anticipated to close on Sep 28, 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. TEKsystems