Sr Software Developer Jobs in Aiken, SC (NOW HIRING)

This is a hybrid position based in our Augusta, GA office. Team members are expected to work on-site two days per week in our Augusta Georgia office and remotely three days per week. This schedule supports collaboration while offering flexibility and work-life balance.

At TaxSlayer, we're more than just a tax software development company; we’re empowering individuals and small businesses to plan for and file their tax returns online with confidence and ease. As a leading innovator in tax prep software, TaxSlayer, LLC, has been revolutionizing the way people file their taxes since 1965. Our user-friendly platform offers an intuitive interface that guides customers through the tax‑filing process step by step, ensuring accuracy and maximum refunds.

TaxSlayer is headquartered in Augusta, GA with a satellite office in Charlotte, NC. TaxSlayer proudly employs nearly 200 individuals year‑round, plus 300 additional in‑season support agents. Our employees are among the brightest, most talented group of innovators who work collaboratively to improve our products and exceed customer expectations season after season.

We’re seeking a highly skilled Software Developer with deep expertise in microservices architecture, cloud‑native development, and modern front‑end technologies. This is a hands‑on role where you’ll design and build scalable, high‑performance applications that power our core business systems. You’ll collaborate with cross‑functional teams in a fast‑paced, agile environment to deliver innovative solutions that drive real impact.

• Build, maintain, and modernize C#/.NET applications, including ASP.NET Core Web APIs, microservices, and legacy MVC applications.
• Develop reliable backend services and message‑driven workflows for high‑throughput, distributed systems.
• Design, tune, and troubleshoot SQL Server workloads, including stored procedures, indexing, execution plans, and concurrency issues.
• Build and maintain React applications using TypeScript and modern frontend patterns.
• Build services that run in containerized environments using established Docker and Kubernetes patterns.
• Integrate applications with Azure services such as Key Vault, Container Registry, and Blob Storage using existing platform standards.
• Maintain CI/CD pipelines in Azure DevOps to support reliable application delivery.
• Use observability tooling (for example Grafana) to monitor production behavior and proactively identify issues.
• Write automated tests across service, integration, and UI layers using tools such as xUnit, Jest, and Playwright.
• Lead code reviews, mentor engineers, and translate business goals into clear technical solutions.

Core Development

• Strong C# and ASP.NET Core Web API experience.
• Solid object‑oriented design fundamentals and knowledge of common software design patterns.
• Ability to work effectively across both modern and legacy .NET codebases.
• Experience designing, building, or supporting distributed backend systems, including microservices, asynchronous workflows, message‑driven integration, and common application architecture patterns.

Database & Data Access

• Hands‑on experience with stored procedures and execution plan analysis.

Cloud, Infrastructure, and Delivery

• Experience building applications that run in cloud or containerized environments.
• Familiarity with Docker, Kubernetes, or similar deployment platforms.
• Experience working with CI/CD pipelines and troubleshooting application deployment issues.

Testing, Collaboration, and Process

• Experience writing automated tests and supporting quality‑focused development practices.
• Strong communication skills and ability to collaborate across technical and non‑technical teams.
• Comfortable in Agile/Scrum environments and standard Git workflows.

• Experience in financial services, tax software, or similarly regulated and high‑availability domains.
• Experience with Azure services such as Key Vault, Container Registry, Blob Storage, or Azure DevOps.
• Experience deploying or supporting applications in Kubernetes‑based environments.
• Advanced SQL Server performance tuning experience in high‑volume production systems.
• Experience with observability and production diagnostics in complex systems.

Bachelor’s degree in Computer Science, Software Engineering, or related field is preferred. Equivalent professional experience will be considered.

Apply today and be sure to opt in for text updates to stay connected with our recruiting team throughout the process!

At TaxSlayer, we know that our greatest strength lies in the talented individuals who drive our innovation and success. That’s why we’re proud to offer a competitive, comprehensive, and flexible benefits package designed to support your well‑being, growth, and work‑life balance.

Flexible Work Options
Enjoy remote and hybrid work opportunities, depending on the role and team needs.

Generous Time Off
Full Time employees receive a robust PTO bank, plus paid holidays to recharge and refresh.

Health & Wellness Coverage

• Medical, Dental, and Vision insurance through Aetna and SunLife
• Coverage options include: Employee Only, Employee + Spouse/Domestic Partner, Employee + Children, or Family
• Access to a Wellness Program and on‑site fitness facility
• 401(k) with a 150% match on up to 3% of your contribution
• Performance‑based bonuses and regular salary reviews
• Company‑paid life insurance, short‑term and long‑term disability
• Optional critical illness and accident insurance
• Education assistance to support your professional development
• Company‑paid parking, company store, and unlimited free coffee

Please note: As a federal contractor, we are responsible to ensure our employees meet any obligations set forth by the U.S. government. We will inform you of any applicable requirements as they arise.

Legal Disclaimers TaxSlayer is an equal opportunity employer and complies with all applicable laws regarding discrimination. Employment is based on qualifications, merit, and business need. This job description is not intended to be all‑inclusive and may be subject to change to meet business needs.