Senior Software Engineer

Base pay range $120,000.00/yr - $145,000.00/yr We are seeking an experienced Senior Software Engineer to join our Chicago team. In this role, you will work across the full application stack to design, develop, and test features in our cloud-based platform. You will collaborate closely with cross?functional partners to deliver high?quality, scalable solutions. Were looking for someone who thrives in a fast?paced, agile environment and enjoys solving complex technical challenges. If youre passionate about building innovative software and contributing to a collaborative engineering culture, wed love to connect. Who We Are BigTime is the AI?powered professional services platform enabling intelligent decisions and delivering profitable growth. Weve proudly been featured on Inc.s 500 Fastest Growing Companies in America four years in a row and named one of Crains Best Places to Work three years running. Our flagship SaaS platform powers 2,700+ consulting firms worldwide, tracking over $4B in billable time each year. Were on a mission to become the leading AI?driven platform guiding professional services organizations to excel in delivery, resource, and financial management. The Opportunity As a Senior Developer, youll take ownership of designing and building systems that power real, high?impact workflows for our customers. Youll work on problems that go beyond basic CRUDthings like orchestrating complex data flows, integrating with external platforms, and creating automation that removes friction from everyday work. Youll help shape the architecture of our platform, make decisions about how things scale and operate in production, and build software thats reliable and easy to evolve. This role gives you room to dive deep: one day you might be sketching out a new service boundary or designing an API contract, and the next youre rolling up your sleeves to debug a tricky edge case in the stack. You wont be doing this in a vacuum. Youll work with a strong engineering team that values clear thinking, pragmatic technical choices, and building things the right way. Your contributions will directly influence the direction of the product and how thousands of users experience it. What Youll Do Design, build, and evolve core application features using React and either C#/ .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 practicesand introducing them when they create real value for performance, productivity, or maintainability. Who You Are You have 3?5+ years of hands?on engineering experience, ideally with .NET or Pythonbut strong experience in another backend language paired with a willingness to learn is equally valuable. Youre comfortable working across the stack and understand the fundamentals of building and scaling web applications (C#, ASP.NET MVC, Python frameworks, SQL Server, or equivalent tech). You know modern front?end tools (HTML, CSS, JavaScript/TypeScript, React/Angular, etc.) and enjoy building clean, usable interfaces. You have solid grounding in software design principlesOOP, SOLID, testing practices, and how to structure code for long?term health. You take ownership of your work, manage your time well, and can drive a project from concept to deployment without needing constant direction. You thrive in environments where you collaborate with other engineers, ask good questions, share context openly, and help create clarity for the team. Youre curious, practical, and quick to learn new technologies, frameworks, or approaches when they make engineering better. What We Offer Competitive salary and an annual bonus Company pays 100% of benefits, including medical, dental, vision, disability and life insurance 401(k) with generous company match Paid Parental Leave Generous time off and paid company holidays35 days off the first full year of employment Fresh fruit, snacks, cold brew coffee/tea, soda and La Croix Great, convenient downtown / loop locationFlexible work environment with remote opportunities Hybrid work schedule Company provided latest technology?&?software tools Seniority Level Mid?Senior level Employment Type Full?time Job Function Engineering and Information Technology Industries Staffing and Recruiting Applicants must be authorized to work in the U.S. BigTime Software, Inc. is proud to be an Equal Opportunity Employer. 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. Your Right to Work - In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire. #J-18808-Ljbffr