Senior Software Engineer

TAXWELL•Haverford, PA

About The Position

Taxwell helps everyday Americans get every tax advantage they deserve by finding credits and deductions they never even knew existed. Our tax preparation software offers easy guidance and ensures your maximum tax refund. We strive to build a team of like-minded experts in both tax and technology who align with our brand purpose, are advocates for our customers and have a fresh, non-traditional approach to the tax industry. TaxAct is a leading digital tax filing platform which offers customers do-it-yourself digital and downloadable products that are easy-to-use, best-in-class technology, and provide unparalleled customer support. We are a trusted solution for all users including those with complex tax returns. We strive to attract and retain candidates who exemplify our values: performance, perseverance, progress and partnership. TaxAct is a member of the Taxwell family of products. We are an organization of forward thinkers looking to add industry experts to our growing team. This role will primarily support TaxAct as the organization helps everyday Americans file their taxes. We seek to build a team of experts in tax and technology who are customer advocates and have the mindset to reimagine the services our customers receive. This role is ideal for an experienced Senior Software Engineer who is comfortable taking ownership of complex features, solving challenging technical problems, and working across both mature and evolving systems. You’ll design and deliver features, troubleshoot difficult issues, refactor existing applications, and contribute to technical design and delivery decisions. The work spans several technologies, with the current mix approximately 40% .NET, 30% Vue, 20% C++, and 10% Angular. We value engineers who think critically, ask good questions, and take pride in building high-quality software. AI-assisted development is a growing part of our workflow, and you’ll be expected to use tools such as GitHub Copilot, Cursor, Claude Code, or similar tools to increase velocity while maintaining high standards

Requirements

5+ years of professional software engineering experience
Strong experience developing applications with .NET
Experience with Vue and/or Angular
Exposure to C++ is helpful but not required. This role includes maintenance of existing C++ applications, so candidates should be comfortable learning and working with C++ as needed
Familiarity with Microsoft development tools and workflows such as Visual Studio, SQL Server, and Azure DevOps
Experience building, debugging, and maintaining production systems
Ability to independently break down complex problems, evaluate solutions, and drive work through completion
Experience contributing to technical design discussions and code reviews
Familiarity with AI-assisted development workflows such as GitHub Copilot, Cursor, Claude Code, or similar tools, and a willingness to continue developing that skill

Nice To Haves

Experience with AWS (preferred), or other cloud platforms such as Azure or GCP
Experience working in Agile or Scrum-based teams
Experience in highly regulated domains such as tax, fintech, or healthcare

Responsibilities

Design, implement, and test frontend and backend features across our tax filing systems
Debug and resolve application issues, improving performance and reliability
Participate in design and code reviews, offering and receiving constructive feedback
Collaborate with product, design, and QA to scope and deliver reliable features on time
Write testable, production-quality code, leveraging AI tools when appropriate to accelerate development, explore options, or improve documentation
Contribute to maintainability not just in your own work, but in how the system fits together overall
Build a deep understanding of the tax filing domain, system architecture, and codebase in order to contribute thoughtfully, challenge assumptions, propose improvements, and grow your design instincts over time