Senior Software Engineer

Canada, United States
Remote
Posted Sep 30, 2026
1 position

US$125,000–US$175,000 / year

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week

Job summary

Design, build, and maintain scalable applications, services, and APIs while taking ownership of complex technical projects. Collaborate with Engineering and Product teams to translate business needs into reliable, high-quality technical solutions.

Job details

ABOUT PROMPT.IO Prompt.io™ is the winning and influence engine partnered with organizations of all size and scale to engage and activate supporters. Prompt.io™ is a non-partisan company and we work with customers of all political stripes. We help companies, political campaigns, advocacy organizations, unions, nonprofits, and other mission-driven organizations connect with their audiences through texting, voice, and engagement tools. We're a growing tech company where individual contributions can have an outsized impact. We value people who take ownership, bring ideas, move with purpose, and are excited to help build what comes next. ABOUT THE ROLE Prompt.io™ is looking for a Senior Software Engineer to help design, build, and scale the technology that powers our platform. You’ll take ownership of complex technical work, contribute to architecture and technical decisions, and partner closely with Product to deliver reliable, scalable solutions. We’re looking for an experienced engineer with strong technical judgment who can take a problem from concept through production, navigate complex systems, and help raise the quality of the engineering team. You’ll have meaningful influence over how we build while remaining hands-on in the code. WHAT YOU'LL DO * Design, build, test, and maintain scalable applications, services, and APIs. * Own complex technical projects from design and architecture through implementation, deployment, and ongoing maintenance. * Contribute to the architecture and technical direction of our SaaS platform. * Collaborate with Product to translate business and product needs into effective technical solutions. * Design and build reusable services, components, and patterns that improve the broader codebase. * Identify and address performance, scalability, reliability, and security challenges. * Work across front-end, back-end, and service layers as needed to solve complex problems. * Make thoughtful technical tradeoffs between immediate needs and long-term maintainability. * Troubleshoot complex production issues and drive solutions to their root cause. * Provide thoughtful code reviews, technical guidance, and knowledge sharing that helps elevate the engineering team. * Contribute to improving engineering standards, practices, and processes. WHAT WE'RE LOOKING FOR * 5-7+ years of professional software engineering experience, or equivalent experience demonstrating Senior-level scope and impact. * A bachelor's degree in Computer Science * Significant experience building and maintaining production SaaS or web applications. * Strong experience with Java and modern server-side application development. * Experience with JavaScript and/or TypeScript and modern web application development. * Strong experience designing and working with APIs, microservices, and distributed systems. * Experience with SQL and NoSQL databases, including designing and working with data-intensive applications. * Experience developing and operating applications in cloud environments. * Strong understanding of application architecture, software design, testing, performance, scalability, security, and data protection. * Experience with Git and modern software development practices. * Demonstrated ability to independently solve complex technical problems and make sound technical decisions. * Strong communication skills and the ability to collaborate effectively across a fully remote team. HOW YOU WORK * You take ownership of complex problems and see them through from idea to production. * You make thoughtful technical decisions and can clearly communicate the tradeoffs behind them. * You’re a creative problem solver who finds practical solutions when challenges arise. * You care about building systems that are reliable, scalable, secure, and maintainable. * You balance long-term technical quality with the need to deliver value to customers. * You provide constructive feedback, share your knowledge, and help make the engineers around you more effective. * You work independently while knowing when collaboration will lead to a better outcome. NICE TO HAVE * Experience working in a startup or high-growth technology environment. * Experience building and scaling SaaS products. * Experience with high-volume applications, messaging systems, or distributed architectures. * Experience with communications or messaging technology. * Experience mentoring or providing technical guidance to other engineers. BENEFITS We believe great work starts with supporting great people. Prompt.io™ offers a wide range of benefits, including a 401(k) match, health benefits for you and your family, unlimited flexible time off, philanthropic endeavors, annual team gatherings, professional development opportunities, and more. COMPENSATION The salary range for this position is $125,000–$175,000. Actual compensation will be determined based on experience, qualifications, location, and other relevant factors. A NOTE TO APPLICANTS We don't expect every great candidate to check every box. If you're excited about the work and believe you can be successful in the role, we encourage you to apply even if your background doesn't perfectly match every item above. EQUAL OPPORTUNITY Prompt.io is an equal opportunity employer. We are committed to providing an inclusive workplace and do not discriminate against qualified applicants or employees on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other characteristic protected by applicable law. Applicants must be authorized to work in the United States or Canada and not require sponsorship of a visa, unless otherwise specified in the posting.

What you’ll do

Requirements

Requires 5-7+ years of professional software engineering experience with significant production SaaS or web application development. Candidates must have strong expertise in Java, modern web technologies, distributed systems, and cloud environments.