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Senior Software Engineer

Job in Boston, Suffolk County, Massachusetts, 02298, USA
Listing for: Promote Project
Full Time position
Listed on 2026-01-01
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Job Description & How to Apply Below
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 Senior Software Engineer to help build and maintain Proof’s products.

Our tech:
Proof platform’s back-end is Ruby on Rails, Postgres SQL, Redis, hosted on AWS. Our front-end apps are built with React, Graph

QL, Apollo and Type Script.

Senior Software Engineer

Location

Remote, Boston, MA Preferred

Salary

a year (s)

Description

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 Senior Software Engineer to help build and maintain Proof’s products.

Our tech:
Proof platform’s back-end is Ruby on Rails, Postgres SQL, Redis, hosted on AWS. Our front-end apps are built with React, Graph

QL, Apollo and Type Script.

What you’ll do as a Senior Software Engineer (full-stack) at Proof:

• Collaborate with Product and Defend team engineers to design, create, and maintain features for Proof's customers and users

• Write high complexity code autonomously, with exceptional quality and on time

• Drive project scoping activities, effectively dealing with ambiguous requirements

• 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

What we’re looking for:

• 5+ years of experience as a software engineer building complex, performant, customer-facing enterprise applications using Ruby on Rails and React

• 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, API’s, 3rd party integrations, cloud infrastructure and so on

• Comfort with adapting to new technology and new opportunities

• Full ownership of the code you write, from the technical design through to production

• Bias towards action and solutions

• The ability to work autonomously and own problems from end to end

Effective communication and active listening skills, with a thoughtful, collaborative approach to problem-solving
You’ll really stand out if you have:

• Experience with React, Type Script, GraphQL

• Experience with AWS
Our engineering culture:

• 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.

• Communicate it:
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.

• Ship it:
We have a very tight, almost continuous deployment cycle. We ship most of the code weekly, alongside a daily Fastlane process with a focus on small…
Position Requirements
10+ Years work experience
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