Senior Full Stack Engineer (AI SaaS) - Fully Remote
$290,000–$460,000 year
Remote · Poland or PL
Job Summary
Senior Full Stack Engineer to design, build, and ship AI-forward SaaS products with React frontend, Node.js backend, and cloud infrastructure. Role involves end-to-end ownership, mentoring engineers, and delivering high-velocity features in a fully remote Poland-based contract. Responsibilities include integrating AI models into production workflows, collaborating with product managers, ensuring code quality, debugging production issues, and contributing to SDLC/PDLC processes. Qualifications include 5+ years in full stack roles, strong JS/TS and React, API and database experience, cloud deployments, and a proven track record of rapid delivery. Nice-to-have experience with generative AI APIs and a background in film/advertising workflows. Our client emphasizes a high-ownership IC role in a modern, AI-first product environment.
Required Qualifications
- 5+ years of professional experience as a full stack engineer
- Strong proficiency with modern JavaScript/TypeScript and a front-end framework (ideally React)
- Experience with AI tools to increase productivity, enhance code quality and automate tasks
- Hands-on experience building and consuming RESTful APIs and working with databases (e.g., MongoDB or similar NoSQL/SQL datastores)
- Demonstrated ability to own 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 working with cloud platforms (AWS or equivalent) and common DevOps practices for deploying and maintaining services
- Proven track record of delivering quickly in a fast-paced environment and iterating based on user feedback and metrics
- Strong communication skills and comfort collaborating with product managers, designers, and other engineers
- Growth mindset with a focus on mentorship, knowledge sharing, and continuously improving team velocity and quality
Desired Qualifications
- Senior full stack engineering experience
- 5+ years of professional experience as a full stack engineer
- Strong proficiency with JavaScript/TypeScript and React
- Backend experience with Node.js
- Experience with AI tools or AI model integration
- RESTful APIs and databases (MongoDB or similar)
- Cloud platforms (AWS or equivalent) and DevOps practices
- Experience delivering in fast-paced environments
- Mentorship and leadership capabilities
- Strong communication and collaboration with product/design teams
This role has closed. Sorce can match you with similar open roles and apply on your behalf.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.