Senior Software Engineer – AI SaaS

This is a fully remote position, open to applicants in United States.

📋 Description

• Design and enhance backend systems utilizing Scala, Play, Postgres, and AWS

• Create and implement scalable APIs and AI-assisted services

• Take full responsibility for feature development from conception to production

• Develop frontend features using React, Chakra, Storybook, and modern state management tools

• Establish and maintain agent-driven development workflows

• Leverage Claude Code and Codex to expedite implementation, debugging, and refactoring across multiple sessions

• Develop internal tools, prompts, and engineering systems to enhance velocity and code quality

• Optimize performance across frontend, backend, and AI-assisted pipelines

• Establish best practices for AI-native software development

• Eventually manage a small team of 2–3 engineers

• Assist in architecting and transforming Process Street into an AI-native product and engineering organization

• Operate within 6-week Shape Up cycles followed by 2-week cooldowns

⛳️ Requirements

• Over 7 years of experience in software engineering

• Extensive experience with backend systems, particularly in Scala; proficiency in Java, Ruby, or C# is also acceptable

• Strong expertise in JavaScript and React

• Proven experience in building and scaling SaaS products

• In-depth knowledge of AI coding tools such as Claude Code, Codex, and Cursor

• Ability to navigate multi-session, agent-driven workflows with ease

• Strong judgment in determining when to utilize AI versus manual implementations

• Experience in systems design beyond mere feature implementation

• Exceptional written communication skills

• Reside in a timezone between UTC−6 and UTC+2

• Familiarity or experimentation with custom LLM development workflows, internal engineering tools, prompts, skills, or agent-like systems

• Comfortable with coding, system design, guiding AI agents, and debugging AI-generated outputs

🏝️ Benefits

• “No Meeting” Fridays

• Unlimited PTO policy; most employees take 3–4 weeks off, in addition to major holidays and a company-wide week off in December

• Company-sponsored offsite events and small-group meetups

• Opportunities for social engagement including coffee chats, game-playing, storytelling, and more

• Comprehensive health insurance for US employees and their families, featuring dental and vision plans

• Equity offered for all full-time positions

• Flexible remote work culture

• Async-first work environment

• Autonomy and ownership over work responsibilities