K1X, Inc. · 15 hours ago
Senior Software Engineer
United States
Full-time
Remote
Senior Level, Lead/Staff
9+ years expK1X, Inc. is a technology company transforming the K-1 industry by providing all-digital solutions for institutional investors and accounting firms. They are seeking a Senior Software Engineer to lead a collaborative engineering team, focusing on technical excellence, mentoring, and delivering high-quality software products.
Information Technology
Responsibilities
Lead by example with hands-on development, contributing production-ready code using C# .NET, Angular, and modern cloud-native practices
Foster a strong culture of quality by mentoring others in testing practices (unit, integration, end-to-end) and conducting code reviews
Act as a technical mentor and coach, providing guidance, pairing, and architectural insight to elevate the team's performance
Partner with the Product Manager and other identified stakeholders to define priorities, identify dependencies, and ensure on-time delivery
Guide and support your team during high-pressure periods like peak tax season, including potential on-call rotations
Help drive technical decision-making and conduct proof-of-concepts for new tools, frameworks, or patterns
Serve as a bridge to leadership—own communication with stakeholders, unblock the team, and represent the group in cross-functional forums
Contribute to and advocate for continuous improvement in code quality, tooling, DevOps practices, and team dynamics
Maintain a deep understanding of the product domain, including tax workflows, customer needs, and business context
Qualification
Required
Bachelor's or Master's degree in Computer Science, Engineering, or equivalent work experience
9+ years of software development experience, including 5+ years of team leadership or senior mentoring responsibility
A strong focus in full-stack C# .NET web applications, including experience with .NET Core, Typescript/JavaScript (Angular 2+ preferred, React/Vue/etc acceptable)
Familiarity with SaaS architecture and cloud-native development using: Azure Services (Service Bus, Functions, API Manager, Azure SQL, Redis, Postgres DB.)
Docker and Kubernetes for containerization and orchestration
Demonstrated expertise in testing strategies using tools like NUnit, MSTest, and Playwright
Experience working in Agile/Scrum teams and using Azure DevOps (ADO) or equivalents, Git, and CI/CD pipelines
A strong understanding of software design principles, security best practices, and system integration patterns
Proven debugging and troubleshooting ability across distributed systems and services
Preferred
Experience with PDF generation/manipulation libraries (e.g., Aspose, IronPDF, iTextSharp)
Background in tax technology, accounting platforms, or financial services
Exposure to AI/ML-driven product features, especially using Python frameworks
Entrepreneurial spirit and a passion for driving innovation in the SaaS industry
A growth mindset and continuous learning—both for yourself and your team
The ability to be a hands-on technologist balancing long-term architecture with near-term shipping priorities
A culture builder who champions team rituals, celebrates wins, and contributes to a positive remote-first work environment
Benefits
Unlimited Vacation Policy + Sick Time + Holidays
Paid Parental Leave
Fully Remote Opportunity
Healthcare Benefits and 401K
Growing Startup Culture
Company
K1X, Inc.
A Fast Company “Most Innovative Companies 2025” honoree, K1x is the leading data distribution platform for alternative investment tax compliance as well as the industry standard, IRS-certified solution for seamless tax-exempt filings.
51-200 employees
H1B Sponsorship
K1X, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
Funding
Current Stage
Growth StageTotal Funding
$35MKey Investors
Edison Partners
2024-09-26Series B· $20M
2022-12-15Series Unknown· $15M
Leadership Team
Neal Schneider
Chief Technology Officer
Recent News
International Accounting Bulletin
2026-01-11
2026-01-09
2025-11-18
Company data provided by crunchbase