Senior Full Stack Software Engineer

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OtherFull Stack Software Engineer

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Quick Summary

Overview

Proof is the world's first identity-assured transaction management platform and we are on a mission to digitize trust for all of life’s most critical transactions.

Technical Tools

OtherFull Stack Software Engineer

Proof is the world's first identity-assured transaction management platform and we are on a mission to digitize trust for all of life’s most critical transactions. Developed by the same market leaders and experts who brought notarization online with Notarize℠, Proof offers trust in a digital world by verifying identities and securing transactions to protect businesses and their customers. Since 2015, we’ve completed many of the world’s first digital commerce transactions, including the first online real estate closing, online mortgage closing, online auto sale, and online will and we're still just getting started!

We are looking for an experienced Full Stack Software Engineer to help build and maintain Proof's products.

Collaborate with Product and Network and Agent Experience team engineers to design, create, and maintain features for Proof's customers and users

Write quality code with a high degree of autonomy, meeting standards for performance and reliability

Use AI tools in your day-to-day coding, review, and deployment processes to work more effectively and deliver a quality experience for our customers

Drive project scoping activities and discussions around requirements and trade-offs

Troubleshoot complex technical issues in production, pertaining to team's areas of ownership

Drive improvements, collaboration, and best practices through code reviews and mentoring

Proactively write and maintain technical documentation

Participate in production on-call rotation several times a year, after receiving in-depth training

5+ years experience building complex, customer-facing web applications using Ruby on Rails and React

Experience with electronic signature, identity verification, or online notarization products preferred

Familiarity with regulated or compliance-heavy product environments preferred

Concern for quality and enthusiasm for writing unit and integration tests

A willingness to learn any part of the stack: back-end services, data layer, web interfaces, APIs, 3rd party integrations, cloud infrastructure and so on

Comfort with adapting to new technology and new opportunities

A sense of ownership over the code you write, from technical design through to production

Bias towards action and solutions

The ability to work independently on well-defined problems while knowing when to ask for help

Effective communication and active listening skills, with a thoughtful, collaborative approach to problem-solving

Experience with GraphQL and AWS

Proof platform's back-end is Ruby on Rails, Postgres SQL, Redis, hosted on AWS. Our front-end apps are built with React, GraphQL, Apollo and TypeScript.

Proof has a strong focus on mentorship, with regular 1:1s, reviews, and check-ins to ensure that you are learning & growing as an engineer. Your manager will help you set personal goals, support your learning, and track your progress against those goals, to encourage you in the growth of your career, wherever it may take you.

You'll be part of a small, cross-functional team with a highly collaborative process that values thoughtful communication, not just with other engineers but with all parts of the organization.

We’re a startup with big plans, and there’s so much to do. Whether it’s an antiquated legal process, an edge-case user interaction, a quirky piece of code, or unnecessary friction in the CI/CD process, we show up every day with the goal of digging in and leaving something better than we found it.

Pave the Way: When obstacles arise, we break through barriers with passion and perseverance. We lead with creativity and forward-thinking. We aim to set new standards and shape the future in a repeatable, scalable way so the path to success is easier for our team to follow.

Own It: We embrace the responsibility that comes with supporting life's most important transactions. When a problem arises we relentlessly pursue the solution with a 'Yes before no' attitude. Because every problem and every transaction is treated like it's our own.

Act with Integrity: We are in the business of building trust and it is at the core of everything we do. We are honest and transparent with our customers, each other and ourselves. If we make a mistake, we own up to it right away and do what it takes to make it right. Our dedication to security and compliance is key to earning trust, fighting fraud and ultimately, our success.

Play to Win: We believe excellence is about always striving to be better so when we get it wrong, we iterate, we learn and we grow. We know we can only go so far alone, we're better together and collectively, we win!

Medical, dental, and vision benefits

Life insurance, long and short-term disability coverage

401k Plan with a 4% match, beginning on your hire date

Unlimited Sick and Vacation time

14 paid company holidays

12 weeks of paid parental leave

4 week sabbatical after 5 years of continuous full time employment

Health Reimbursement Arrangements for fertility and gender affirmation

Lunch on Proof through Grubhub credit

Monthly work from home stipend

Professional development credit

Monthly reimbursement for Wellness

And more!

This position will be posted and accepting applications through June 26, 2026.

Proof uses Identify & Defend, our fraud prevention and identity verification tools, to confirm that individuals engaging with Proof at any stage correspond to a real identity. It’s a quick security step that helps keep the process safe for everyone. Defend & Identify are used solely for identity verification and fraud prevention and is not used to assess employment eligibility or qualifications.

Proof is committed to building an inclusive environment for people of all backgrounds and everyone is encouraged to apply. We are an equal opportunity employer and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.