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BigTime Software, Inc. Logo

Senior Software Engineer

BigTime Software, Inc.

$120,000 - $145,000
Dec 5, 2025
Chicago, IL, US
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BigTime is seeking an experienced Senior Software Engineer to design, develop, and test features in their cloud-based platform, aiming to solve complex technical challenges and deliver high-quality, scalable solutions that enable intelligent decisions and profitable growth for professional services organizations.

Requirements

  • 3-5+ years of hands-on engineering experience, ideally with .NET or Python—but strong experience in another backend language paired with a willingness to learn is equally valuable.
  • Comfortable working across the stack and understand the fundamentals of building and scaling web applications (C-Sharp, ASP.NET MVC, Python frameworks, SQL Server, or equivalent tech).
  • Know modern front-end tools (HTML, CSS, JavaScript/Typescript, React/Angular, etc.) and enjoy building clean, usable interfaces.
  • Solid grounding in software design principles—OOP, SOLID, testing practices, and how to structure code for long-term health.
  • Experience with React and either C-Sharp/.NET, Python
  • Experience with system integrations (Salesforce, QuickBooks Online, Jira, Sage Intacct, HubSpot)
  • Experience with C-Sharp, ASP.NET MVC, Python frameworks, SQL Server, or equivalent tech

Responsibilities

  • Design, build, and evolve core application features using React and either C-Sharp/.NET, Python
  • Own and improve critical system integrations (Salesforce, QuickBooks Online, Jira, Sage Intacct, HubSpot), focusing on reliability, observability, and long-term maintainability.
  • Lead code reviews, influence coding standards, and help raise the quality bar across services and shared components.
  • Work closely with product, support, and engineering teams to break down complex problems and turn them into scalable, thoughtful solutions.
  • Shape technical direction by evaluating new tools, patterns, and practices—and introducing them when they create real value for performance, productivity, or maintainability.
  • Design, develop, and test features in our cloud-based platform.
  • Work on problems that go beyond basic CRUD — things like orchestrating complex data flows, integrating with external platforms, and creating automation that removes friction from everyday work.

Other

  • This role is not eligible for relocation assistance or visa sponsorship. Candidates must be authorized to work in the U.S. without current or future sponsorship.
  • Take ownership of your work, manage your time well, and can drive a project from concept to deployment without needing constant direction.
  • Thrive in environments where you collaborate with other engineers, ask good questions, share context openly, and help create clarity for the team.
  • Curious, practical, and quick to learn new technologies, frameworks, or approaches when they make engineering better.
  • Applicants must be authorized to work in the U.S.