Senior Software Engineer
K1X, Inc.
- New York, New York, United States
- New York, New York, United States
About
Who We Are We are K1X. Our technology is used by the nation's largest institutional investors, funds, and accounting firms, bringing long‑established solutions that are creating an all‑digital K-1 experience. Our goal is to transform the K‑1 industry by moving a traditionally analog‑based process to an all‑digital experience via our software solutions. Join us at the start of something exciting! Learn more at
www.k1x.io
About Your Role We're seeking an experienced and technically proficient
Senior Software Engineer
to join our growing engineering team. This is a
servant leadership role
that combines
technical excellence , mentoring, and architecture ownership within a highly collaborative agile team. As a lead, you'll contribute directly to our codebase, provide hands‑on coaching and guidance to engineers, and help shape the team's engineering culture, tools, and standards.
You should be a
self‑starter
with deep experience across the Microsoft tech stack and a passion for building scalable SaaS products. You'll play a pivotal role in delivering the high‑quality, secure, and performant solutions our clients rely on during their most critical deadlines.
Your 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
Requirements
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
It’s Truly a Match If You Have
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
Seniority level Mid‑Senior level
Employment type Full‑time
Industries IT Services and IT Consulting
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Languages
- English
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