Explore 3 full stack software developer jobs from 3 hiring companies in Athens, TN, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Full Stack Software Developer

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Full Stack Software Developer Jobs

First Horizon

Polsinelli

Xcel Engineering

Onsite

Hybrid

COMPANY OVERVIEW
XCEL Engineering, Inc. is an award-winning small business that provides trusted information technology, engineering, consulting and project management solutions and services to federal agencies and organizations. Originally founded in 1971 by professional engineers at the University of Tennessee, XCEL was acquired in 2003 by U.S. Army and Navy veterans and in 2023 became a MartinFed company. 
XCEL Engineering is a part of IT Lab Partners (ITLP) which was created to support Oak Ridge National Laboratory (ORNL) in recruiting the best and the brightest technical talent to East Tennessee region. ORNL delivers scientific discoveries and technical breakthroughs needed to realize energy and national security solutions and provides economic benefit to the nation. This premier research institution near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers.
Considering joining our impressive team supporting ORNL today! 
JOB OVERVIEW
XCEL Engineering is seeking a versatile Full Stack Software Engineer to support multiple concurrent software projects within a Department of Energy (DOE) Research &amp; Development environment. This role requires an on-site presence and close collaboration with technical teams, stakeholders, and government clients. The ideal candidate is comfortable working across the entire development lifecycle from gathering client requirements and translating concepts into technical designs, through development, testing, deployment, and long-term support. Candidates must be adaptable, detail-oriented, and capable of managing multiple priorities in a structured, security-focused environment.
ESSENTIAL FUNCTIONS
<ul>
<li style="text-align:justify;line-height:normal;">Collaborate with government clients and internal stakeholders to gather, analyze, and refine technical and functional requirements. </li>
<li style="text-align:justify;line-height:normal;">Design, architect, and develop full-stack applications from concept to completion. </li>
<li style="text-align:justify;line-height:normal;">Work on multiple simultaneous projects with varying timelines and technical scopes. </li>
<li style="text-align:justify;line-height:normal;">Develop scalable backend services and APIs. </li>
<li style="text-align:justify;line-height:normal;">Build responsive, user-friendly front-end interfaces aligned with UI/UX best practices. </li>
<li style="text-align:justify;line-height:normal;">Participate in code reviews, testing, debugging, and performance optimization. </li>
<li style="text-align:justify;line-height:normal;">Maintain documentation for system architecture, code, and processes. </li>
<li style="text-align:justify;line-height:normal;">Ensure compliance with security, privacy, and operational standards required in a federal R&amp;D environment. </li>
<li style="text-align:justify;line-height:normal;">Provide ongoing maintenance, enhancements, and technical support for deployed applications. </li>
</ul>
BASIC QUALIFICATIONS
<ul>
<li>Bachelor's degree in a scientific field or equivalent combination of education and experience coupled with 8 years of software development experience.</li>
<li style="color:#000000;">Bachelors degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).</li>
<li style="color:#000000;">3+ years of professional full-stack development experience
<ul>
<li style="color:#000000;">JavaScript, TypeScript, Python, SQL</li>
<li style="color:#000000;">Backend Frameworks-Fast API</li>
<li style="color:#000000;">Frontend FrameworksVue.js 2 &amp; Vue.js 3</li>
<li style="color:#000000;">State Management-Pinia</li>
<li style="color:#000000;">UI Libraries-Vuetify</li>
<li style="color:#000000;">Databases-PostgreSQL</li>
<li style="color:#000000;">Other Technologies-GraphQL</li>
</ul>
</li>
<li style="color:#000000;">Demonstrated experience delivering production-ready applications end-to-end.</li>
<li style="color:#000000;">Strong communication skills and ability to translate business needs into technical solutions.</li>
<li style="color:#000000;">Ability to obtain and maintain any required facility clearances or background checks.</li>
<li style="color:#000000;">Work Environment On-site presence is required due to the secure nature of the facility.</li>
<li style="color:#000000;">Collaborative, mission-driven R&amp;D atmosphere.</li>
<li style="color:#000000;">Opportunity to contribute to projects with national-level impact and long-term technical value.</li>
</ul>
DESIRED QUALIFICATIONS
<ul>
<li style="color:#000000;">Java development experience</li>
<li style="color:#000000;">Experience working in government, national laboratory, or regulated environments</li>
<li style="color:#000000;">Familiarity with CI/CD pipelines and DevOps practices</li>
<li style="color:#000000;">Containerization technologies (Docker, Kubernetes)Experience with automated testing frameworks</li>
</ul>
PHYSICAL REQUIREMENTS &amp; ENVIRONMENTAL CONDITIONS 
<ul>
<li>Inside office environment.</li>
<li>Working on a computer for long periods of time.</li>
<li>May involve long period of sitting at a desk.</li>
<li>The work environment is fast-paced and sometimes involves extreme deadline pressures.</li>
</ul>
OTHER DUTIES 
This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.
Xcel Engineering is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, religious creed, gender, sexual orientation, gender identity, gender expression, transgender, pregnancy, marital status, national origin, ancestry, citizenship status, age, disability, protected Veteran Status, genetics or any other characteristics protected by applicable federal, state or local law. 
If you are a qualified individual with a disability or disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access Xcel Engineering's current openings as a result of your disability. You can request reasonable accommodations by calling 855.212.1810. Thank you for your interest in Xcel Engineering. All positions at Xcel Engineering, Inc. are contingent upon passing both a background check and drug screening prior to a start date and are subject to random drug screenings during the employment period. In addition, Xcel Engineering is an E-Verify employer.

Full Stack Developer

Bachelor's degree plus several years in software development; strong front-end and back-end skills; DOE clearance possible.

No Sponsorship will be provided for this role.
Location: On Site at location listed in posting
Weekly Schedule: Monday- Friday, 9am-5pm
The Mobile Development Engineer will design, develop, configure, document, deploy, troubleshoot, and maintain First Horizon mobile software applications and services. The successful candidate should be innovative, energetic and comfortable leading and contributing to provide the most astonishing of customer experiences. The mobile development engineer will collaborate as a member on a team of developers, business analysts, product managers, and QA/testing staff focused on delivering a secure and top-notch new digital experience for our internal and external customers. The role responsibilities will include development, maintenance, and support of the mobile Banking applications. The candidate should be able to bring technical expertise and work independently and as part of the development team to to develop features and capabilities as well as resolve issues or defects.
Required and Preferred Technical Skills: 
<ul>
<li>Solid mobile analysis and design skills and experience with the native mobile technology stacks is required</li>
<li>Expertise in JavaScript, TypeScript, HTML, TSS, Node.js</li>
<li>Expertise in React Native, React, TailwindCSS, NextJS or similar frameworks</li>
<li>Experience with automated testing frameworks like Playwright or Maestro</li>
<li>Expertise with responsive and mobile design, Cross browser development, and use of APIs</li>
<li>Experience in Web services including primarily REST but also SOAP</li>
<li>Advanced knowledge of source control and change control practices with a propensity to adhere to the established standards</li>
<li>Experience with build automation and deployment tools (Expo, Git, Jenkins, GitHub Actions, etc.)</li>
<li>Experience deploying applications to Apple and Android app stores</li>
<li>Development experience with mobile applications deployed in complex, multi-tiered environments</li>
<li>Financial Services experience a plus</li>
</ul>
Required Qualifications: 
<ul>
<li>Excellent individual initiative and focus on high quality results</li>
<li>Team player with ability to bring along more junior colleagues</li>
<li>Focused on delivering world-class customer experiences</li>
<li>Familiar with Agile development methodologies</li>
<li>Possess a strong sense of ownership for achieving results</li>
<li>Good oral and written communication skills</li>
<li>Experience working in a dynamic team environment</li>
<li>Passionate and inquisitive approach to the technology-driven world</li>
<li>Ability to independently work solutions if necessary</li>
<li>Comfortable participating in technical design sessions</li>
<li>Available for on call support 24x7 on a rotational basis</li>
<li>Bachelor's Degree in Computer Science, STEM or a related field or an equivalent combination of education, training, and experience</li>
</ul>
About Us
First Horizon Corporation is a leading regional financial services company, dedicated to helping our clients, communities and associates unlock their full potential with capital and counsel. Headquartered in Memphis, TN, the banking subsidiary First Horizon Bank operates in 12 states across the southern U.S. The Company and its subsidiaries offer commercial, private banking, consumer, small business, wealth and trust management, retail brokerage, capital markets, fixed income, and mortgage banking services. First Horizon has been recognized as one of the nation's best employers by Fortune and Forbes magazines and a Top 10 Most Reputable U.S. Bank. More information is available at <a href="https://urldefense.com/v3/__https:/www.firsthorizon.com/__;!!Cz2fjcuE!hpq9hPnrucZCPIAVPojVESItIq-FPzhurNdCrQ3JE8Rkx3gMd70nIk6_kmPxl66_oJCEsXs0gNunPowMAMHCmBYPOtUxUGI$" target="_blank" rel="noopener">www.FirstHorizon.com</a>. 
Benefit Highlights
• Medical with wellness incentives, dental, and vision
• HSA with company match
• Maternity and parental leave
• Tuition reimbursement
• Mentor program
• 401(k) with 6% match
• More -- FirstHorizon.com/First-Horizon-National-Corporation/Careers/Our-Benefits
Follow Us
<a href="https://www.facebook.com/FirstHorizonBank" target="_blank" rel="noopener">Facebook</a>
<a href="https://twitter.com/FirstHorizonBnk" target="_blank" rel="noopener">X formerly Twitter</a>
<a href="http://www.linkedin.com/company/first-horizon-bank" target="_blank" rel="noopener">LinkedIn </a>
<a href="https://www.instagram.com/first_horizon/" target="_blank" rel="noopener">Instagram </a>
<a href="https://www.youtube.com/channel/UCEVs5OMj-b0H9Dr5Q209_-Q" target="_blank" rel="noopener">YouTube </a>

Mobile Software Engineer

Design, develop, document, deploy, troubleshoot, and maintain mobile banking apps; strong mobile stack; Agile; Bachelor’s in CS or related field.

At Polsinelli, What a Law Firm Should Be is not just our tagline, it is what we live every day. We strive to create an environment where our team members are encouraged to bring their creativity and professional passions into the workplace so that they can thrive. Are you a people person who has a keen eye for detail, thrives in a professional environment and wants to be part of a dynamic team? We have the perfect role for an engaging professional like you!
We are seeking a Web Applications Developer to design, build, and maintain internal and client-facing applications. This role is hands-on across the full stack, with a primary focus on delivering reliable, scalable .NET-based web solutions.
The ideal candidate is a strong individual contributor who can independently deliver features end-to-end, contribute to system design discussions, and collaborate effectively with cross-functional teams.  This role can be performed remotely, but candidates must be located near one of our offices and be able to come in if needed.
 
<h4>CORE RESPONSIBILITIES</h4>
<ul>
<li>Design, develop, and maintain web applications using .NET Core and modern frontend frameworks</li>
<li>Participate in the full development lifecycle: requirements, design, implementation, testing, and deployment</li>
<li>Build and integrate RESTful APIs and backend services</li>
<li>Write clean, maintainable, and well-documented code following established standards</li>
<li>Troubleshoot and resolve performance, scalability, and reliability issues</li>
<li>Collaborate with team members to improve development processes and technical approaches</li>
<li>Contribute to estimation, planning, and technical decision-making</li>
<li>Support production systems as needed (on-call rotation as applicable)</li>
</ul>
 
<h4>REQUIRED SKILLS & QUALIFICATIONS</h4>
<ul>
<li>5–8 years of professional software development experience, including full-stack web development</li>
<li>Strong proficiency in C# and .NET Core / ASP.NET Core</li>
<li>Experience with Angular and TypeScript (or comparable modern frontend framework)</li>
<li>Solid understanding of RESTful APIs and web services</li>
<li>Experience with Microsoft SQL Server, including query writing and performance tuning</li>
<li>Working knowledge of Azure cloud services (e.g., App Services, basic CI/CD pipelines, or similar)</li>
<li>Familiarity with standard web technologies: HTML, CSS, JavaScript</li>
<li>Strong problem-solving, debugging, and analytical skills</li>
</ul>
 
<h4>PREFERRED SKILLS</h4>
<ul>
<li>Exposure to microservices or distributed system patterns</li>
<li>Experience contributing to CI/CD pipelines or DevOps workflows</li>
<li>Familiarity with Azure Functions or serverless concepts</li>
<li>Exposure to AI/LLM tools, APIs, or experimentation (e.g., OpenAI, Azure AI)</li>
<li>Experience with Power BI or data visualization tools</li>
<li>Experience with SharePoint / SharePoint Online</li>
</ul>
 
<h4>WHAT SUCCESS LOOKS LIKE</h4>
<ul>
<li>Delivers features independently with minimal oversight</li>
<li>Produces high-quality, maintainable code aligned with team standards</li>
<li>Contributes constructively to technical discussions and design decisions</li>
<li>Demonstrates adaptability when working across backend, frontend, and cloud components</li>
</ul>
 
The budgeted salary range for this position is $125,000 - $140,000. 
As part of full-time employment associated with this position, Polsinelli PC offers the following benefits: Paid time off, sick time off, a referral program, medical insurance and benefits, dental insurance, vision insurance, life insurance, AD&D insurance, ID Theft insurance, long-term disability benefits, short-term disability benefits, Parking/Transit reimbursement (varies depending on location), 401(k) benefits, and employee assistance benefits. 
Polsinelli PC is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.

Web Applications Developer

5–8 years of software development, full-stack web, strong C#/.NET, Angular/TypeScript, REST APIs, SQL Server, Azure, HTML/CSS/JS.

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