About Us 

Supio is a trusted AI platform purpose-built for law firms, reshaping how data drives impactful outcomes. Our innovative approach blends technology with deep legal expertise, making us a leader in our field. We go beyond surface-level AI to deeply understand our customers’ daily needs, empowering law firms with unparalleled data insights. Supio delivers human-level, accurate analysis of complex data and legal records, quickly and efficiently bringing critical insights when they matter most. Trusted by top litigation lawyers, our platform has supported over $1 billion in settlements.

Headquartered in Seattle with an office in San Francisco, we raised $60M Series B in April 2025 led by Sapphire Ventures with Mayfield and Thomson Reuters Ventures, bringing total funding to $91M. We're scaling rapidly and looking for exceptional talent to join us in this next phase of growth.

We're looking for passionate team members who are motivated by our mission and ready to help us achieve it.

Who we're looking for

We are looking for passionate Senior Software Engineers to help us deliver scalable and innovative solutions. You will have the opportunity to lead and work across multiple layers of the technology stack, from developing customer-centric user experiences to building robust and scalable backend processes and leveraging large language models (LLMs) and advanced AI technologies. You will learn to design services and experiences that meet the needs of our specialized user base. You will collaborate with a dynamic team of full-stack engineers, contributing to a wide range of projects that directly impact our business and customers. This role is ideal for those who thrive on challenges, value continuous learning, and enjoy working in a team-oriented environment.

What you'll do

Lead and Innovate: Drive the design, development, and implementation of high-quality software solutions. Contribute to product direction and feature prioritization.
Full Stack Development: Work across the technology stack, from frontend to backend, to deliver end-to-end solutions. Build and maintain scalable, reliable, and efficient systems.
Applied AI and Data Intelligence: Develop and productionize AI-driven capabilities that solve real customer problems, ensuring accuracy, performance, and scalability at high volumes.
Customer Focus and Collaboration: Understand customer needs and pain points, translating them into effective technical solutions. Work closely with cross-functional teams, including product, design, and customer support, to define project requirements and deliverables.
Continuous Improvement and Problem Solving: Stay current with industry trends and emerging technologies. Identify, analyze, and resolve complex technical issues. Advocate for and implement new tools, technologies, and processes to improve our development workflow.

Qualifications

Experience: 5+ years of professional software development experience with a strong focus on full-stack development
Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
Technical Skills: Proficiency in React, Typescript and Nodejs
Problem Solving: Strong analytical and problem-solving skills, with the ability to tackle complex technical challenges.
Communication: Excellent verbal and written communication skills, with the ability to effectively collaborate with cross-functional teams.
Customer Focus: Ability to understand customer needs and translate them into technical solutions.
Agility: Experience working in an agile development environment, with a focus on iterative development and continuous improvement.
Team Player: Proven ability to work effectively in a collaborative, team-oriented environment.

Nice-to-haves

Experience with large language models (LLMs) and advanced AI technologies
Prior experience in a startup or fast-paced work environment
Strong understanding of backend development, including RESTful APIs, microservices, and database technologies.
Familiarity with cloud platforms (AWS, Azure, or Google Cloud).

Compensation

As an early-stage startup, we offer a competitive compensation package that includes base salary, meaningful equity, and benefits. Equity grants are designed to ensure employees share in the long-term success and upside of the company.

Base Salary by Location

Seattle, WA: $170,000 – $243,000 annually
San Francisco, CA: $200,000 - $255,000 annually

Actual compensation may vary outside of these ranges based on a number of factors, including a candidate’s qualifications, skills, competencies, experience, and geographic location.

Compensation & Benefits

💰 Competitive Salary + Meaningful Equity
💹 401(k)
⚕️ Health, Dental, Vision, and Life Insurance
🏝 Flexible Time Off + Holidays
🧑‍💻 High-autonomy work environment, every Tuesday is a Remote Work Day
🥗 DoorDash subsidies for breakfast and dinner; Daily lunch options
🧋 Boba Wednesdays
🚃 Monthly commuter subsidies and pre-tax parking contribution
🚀 Team gatherings and offsites

E-Verify Participation Notice

Supio participates in E-Verify, an employment authorization program through the U.S. Department of Homeland Security and the Social Security Administration.

Equal Employment Opportunity (EEO) Statement

Supio is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Senior Software Engineer, Full Stack (Copy)