Senior Software Engineer II

ActBlue is a nonprofit organization dedicated to creating cutting-edge technology that fuels Democratic victories and enables progressive causes to thrive. 

Our vision is simple: building change through the power of people. Since our founding, we’ve been building innovative solutions to revolutionize grassroots fundraising – if you’ve donated to a Democratic campaign or a progressive organization online, you’ve probably used our platform! We believe in putting power in the hands of small-dollar donors by helping thousands of groups — from local candidates to national movements — mobilize their communities and create a lasting impact. Every member of our team is deeply committed to advancing our shared mission and core values. Together, we are shaping the future of democracy. 

As a Senior Software Engineer II, you will be a key technical leader on a team building and evolving a new strategic platform. Working full-stack with Ruby on Rails, PostgreSQL, React, and TypeScript, you'll architect systems and establish technical foundations that enable sophisticated user-facing features. Your work will directly impact thousands of users who depend on reliable, accurate, and performant systems.

You will work in concert with other product teams, data teams, platform and ops teams, and the security team. Together with other stakeholders, you will identify and execute high-impact improvements that unlock new product opportunities and ensure the reliability, predictability, maintainability, and scalability of our platform. 

Our engineering and product organization is made up of empathetic and passionate people. We’re organized into cross-functional teams that operate independently in alignment with the broader organizational goals.

• →Work with your team to architect, refactor, and improve donor and entity user experiences.
• →Lead the technical execution of large, cross-team initiatives, working with multiple engineers to design and implement solutions that balance high-impact opportunities with effort, scope, and technical tradeoffs.
• →Break down initiative-level work across multiple epics and contribute technical expertise to shape the team's roadmap prioritization.
• →Partner with designers and product managers to help shape the team's roadmap, anticipating important information needs from stakeholders to inform project work and proactively raising potential competing product interests.
• →Serve as a technical consultant and go-to resource for engineers across teams on complex architectural decisions, system design, and best practices.
• →Collaboratively develop and champion best practices and design patterns to improve the maintainability of the platform.
• →Demonstrate technical leadership through writing documentation, establishing effective testing and monitoring, and fostering clear and audience-oriented communication.
• →Coach and mentor multiple members of the team, creating professional development opportunities and fostering a culture of seeking feedback as a tool for growth.
• →Create spaces for individuals to be engaged, valued, and heard, setting examples and cultural expectations around inclusivity within the team.
• →Receive support from your manager to grow as an individual and increase your impact on the success of your team and the progressive movement.

• 5-8+ years of relevant professional experience, with demonstrated ability to lead complex technical initiatives involving multiple engineers, complex requirements, and high ambiguity.
• Professional experience working with React and TypeScript to develop frontend features from design and discovery through to deployment and monitoring.
• Professional experience working with backend technologies like Ruby on Rails, Python, Java or Go.
• Professional experience with PostgreSQL and GraphQL, including designing efficient data models and APIs that support scalable, maintainable systems.
• Proficiency with Git/GitHub and Docker as part of a professional software development workflow, with experience collaborating across distributed codebases.
• A strong understanding of performance, scalability, and security best practices, with ability to recommend system-level improvements to mitigate concerns for broad systems; familiarity with OAuth/OIDC/JWT authentication patterns is a plus.
• Track record of leading large projects that involve multiple engineers, complex requirements, and ambiguity from conception through delivery.
• Experience designing simple, maintainable solutions to complex problems using well-accepted design patterns informed by industry experience; exposure to microservices or micro-frontend architecture is a plus.
• Ability to communicate effectively with non-technical stakeholders and to collaboratively translate business requirements and strategic goals into technical solutions, modifying communication style to fit the audience.
• Track record of working closely with product and design teams to iterate on and refine product requirements, with ability to break down initiative-level work and contribute to roadmap prioritization.
• Experience serving as a technical consultant and trusted resource for engineers seeking guidance on architecture, system design, and complex debugging; familiarity with Node.js/Express.js or Kubernetes in a professional context is a plus.
• Comfort with or curiosity about AI coding assistants (such as Claude Code) as productivity tools within an engineering workflow.
• An inclusive, generous working style: you like to mentor, collaborate, and elevate your team by supporting your peers, providing coaching and guidance to multiple team members, and anticipating where your intervention would be helpful.

Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, Wyoming, and Washington D.C.

This role requires availability during established, regular business hours (Mon-Fri).

Employees can expect to work with distributed teams across all U.S. time zones. Our roles require extended technology usage, and proficiency with virtual communication tools such as Zoom and Slack. Regular attendance in virtual meetings is inherent to every position.

ActBlue is committed to consistent compensation practices across our organization. Final salary offers will take into account factors such as candidate experience, interview performance and current team salary parity. 

The terms and conditions of this position are subject to a collective bargaining agreement with the Communication Workers of America. 

As part of our hiring process, ActBlue will conduct a background check at the time of offer. This will be completed in compliance with applicable laws and will not be initiated without your consent.

ActBlue is committed to equal employment opportunities and fostering a diverse, inclusive workplace. We celebrate unique perspectives, honor the dignity of all individuals, and recognize that diverse backgrounds and identities strengthen our mission.

If you’re passionate about our work and see yourself in this role, we encourage you to apply—even if you don’t meet every requirement.

We also provide reasonable accommodations for individuals with disabilities throughout the hiring process and employment. To request an accommodation, email recruitment@actblue.com.