Senior Full Stack Engineer – AI SaaS

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

📋 Description

• Design, develop, and implement full-stack features and services utilizing React, Node.js, and cloud-native technologies.

• Integrate and orchestrate advanced text, image, and video AI models into production workflows for creative teams.

• Work closely with product managers to convert customer challenges and requirements into clear, testable solutions.

• Take ownership of features from start to finish, including implementation, automated testing, QA/UAT, deployment, and monitoring.

• Proactively identify, define, and execute high-impact experiments that enhance customer value and achieve business outcomes.

• Uphold a high standard of code quality, reliability, and performance within a fast-paced, iterative environment.

• Troubleshoot, debug, and resolve production issues, while enhancing system resilience and observability over time.

• Mentor and assist fellow engineers by sharing best practices, patterns, and tools that boost team velocity.

• Contribute to the enhancement of the SDLC/PDLC processes, including code reviews, release practices, and documentation.

• Collaborate with cross-functional teams (engineering, product, design, operations) to deliver cohesive, user-centered solutions.

⛳️ Requirements

• Over 5 years of professional experience as a full stack engineer, including the deployment of production web applications.

• Strong expertise in modern JavaScript/TypeScript and a front-end framework (ideally React), along with experience in Node.js on the backend.

• Experience with AI tools to enhance productivity, improve code quality, and automate tasks.

• Practical experience in building and consuming RESTful APIs and working with databases (e.g., MongoDB or similar NoSQL/SQL datastores).

• Proven ability to take ownership of features end-to-end: from scoping and implementation through testing, deployment, and monitoring.

• Solid understanding of software engineering best practices: version control, code reviews, automated testing, CI/CD, and observability.

• Experience with cloud platforms (AWS or equivalent) and common DevOps practices for deploying and maintaining services.

• Demonstrated ability to deliver swiftly in a fast-paced environment and iterate based on user feedback and metrics.

• Excellent communication skills and comfort collaborating with product managers, designers, and other engineers.

• Growth mindset centered on mentorship, knowledge sharing, and continuously enhancing team velocity and quality.

• Nice to have: Experience with image, video, or generative AI model APIs in real-world products.

• Background in the film, video, or advertising industry, or familiarity with professional creative workflows.

• Experience with prompt chaining or orchestrating multiple AI services into cohesive user workflows.

• Demonstrated leadership in guiding small teams, projects, or technical domains.

• Familiarity with design systems or strong product/design sensibilities.

🏝️ Benefits

• B2B contract

• Fully Remote Role

• Work on an AI-first product focused on real professional use cases, not consumer gimmicks.

• Direct impact on how creative teams plan and produce video content end-to-end.

• High-ownership individual contributor role where you ship quickly, experiment frequently, and see your work in production promptly.

• Opportunity to build zero-to-one features and help shape product direction, rather than just maintaining legacy systems.

• Modern tech stack (React, Node.js, cloud-native, modern AI model APIs) with the opportunity to influence architecture.

• Strong engineering culture that values velocity, quality, and continuous improvement in SDLC/PDLC.

• Mentorship and growth opportunities, including the chance to enhance team practices and lead initiatives.

• Close collaboration with product and creative stakeholders, providing direct exposure to user needs and feedback.