Senior AI-First Software Engineer | Remote

Process Street; Kraków; Remote; PLN 240,000 - 340,000; Full time

Benefits offered by this job

Unlimited PTO

Equity for all full-time roles

Generous health insurance

Company offsite

Social time

Job summary

Process Street is seeking a Senior Software Engineer to help architect and evolve this AI-native SaaS platform, empowering teams to automate, document, and improve recurring workflows. This remote role spans multiple time zones (UTC-6 to UTC+2); you will design backend systems with Scala / Play, Postgres, and AWS, build scalable APIs, and advance AI-assisted services across the stack.

You will own features end-to-end, mentor teammates as needed, and shape how software and AI collaborate to

Qualifications

• 7+ years of software engineering experience.
• Strong experience with backend systems (Scala, or Java / Ruby / C#).
• Experience building and scaling SaaS products.
• Deep familiarity with AI coding tools (Claude Code, Codex, Cursor, etc.).
• Strong intuition for when to rely on AI vs. manual implementation.
• Experience designing systems, not just implementing features.

Responsibilities

• Architect and evolve backend systems (Scala / Play / Postgres / AWS).
• Design and deploy scalable APIs and AI-assisted services.
• Own feature development from end to end (ideation to production).
• Build frontend features using React, Chakra, Storybook, and modern state tools.
• Use tools like Claude Code / Codex to accelerate implementation, debugging, and refactoring across multiple sessions in parallel.
• Create internal tooling, prompts, and “engineering systems” that improve velocity and code quality.
• Optimize performance across frontend, backend, and AI-assisted pipelines.
• Eventually lead a small team (2–3 engineers) and shape how they work with AI.

Skills

7+ years software engineering

Backend systems

SaaS products

AI coding tools

Tools

Claude Code

Codex

Cursor

Job description

Process Street is seeking a Senior Software Engineer to help architect and evolve this AI-native SaaS platform, empowering teams to automate, document, and improve recurring workflows. This remote role spans multiple time zones (UTC-6 to UTC+2); you will design backend systems with Scala / Play, Postgres, and AWS, build scalable APIs, and advance AI-assisted services across the stack.

You will own features end-to-end, mentor teammates as needed, and shape how software and AI collaborate to