Required experience: 5+ years in full-stack development with strong backend expertise in Node.js and AWS , solid frontend experience with React;
Experience with modern dev tools (Cursor, GitHub Copilot) and CI/CD pipelines; - Employment Type: B2B, full-time; - Location: Remote.
Full-time, long-term 1+ years
Are you a talented developer looking for a remote job that lets you show your skills and get decent compensation? Join Upstaff.com, a platform that connects you with hand-picked startups and scale-ups in the US and Europe.
About the Project
Transforming the leisure and tourism photography experience: Powered by patented technology, our platform combines advanced association methods with an AI learning engine to enable real-time media streaming at scale, without compromising guest privacy.
The platform uses AI to recognize individuals within crowded and dynamic environments such as amusement parks and events, allowing guests to simply upload a selfie to match it with media captured in real time. The platform automatically associates all relevant photos and videos with a user and delivers them directly to their device.
The Role
We are seeking a Senior Full-Stack Developer with deep backend expertise to join our R&D organization as a Backend Subject Matter Expert (SME). This is a senior individual contributor role with significant technical ownership.
You will play a key role in designing, building, and evolving the backend systems that power our global platforms, handling millions of transactions and media flows daily. While this role is backend-focused, candidates should have working knowledge of frontend technologies to collaborate effectively with frontend teams.
Primary Responsibilities
Design, implement, and maintain scalable backend services supporting high-traffic, globally distributed systems
Lead backend architectural decisions across microservices, APIs, and cloud infrastructure
Build and optimize serverless and event-driven architectures
Ensure system reliability, performance, and scalability under real-world load
Collaborate closely with product, frontend, DevOps, and data teams
Establish backend development standards and best practices
Mentor engineers and contribute to technical excellence across the team
Technical Stack:
Cloud: AWS Mostly (mosty Cognito, S3, SNS, SQS, Serverless Framework,AWS Lambda) Google Cloud Platform (some image processing and other services are still running on GCP, want to migrate to AWS)
Front: Mostly React (a few smaller projects are on Vue2, may need migration to Vue 3, but not a priority)
Stays current with modern backend and cloud technologies
Why Join Us?
Work on platforms used by millions of users worldwide
Design systems that operate at real production scale Influence the technical direction of a growing global company
Collaborate with experienced engineers passionate about quality
Build modern cloud-native and serverless systems
Create technology that powers unforgettable guest experiences
Not your tech stack?
Join the Upstaff community and we are looking for the best project for you. Be ready for the next steps:
Create your profile on our website (import from LinkedIn)
20-30-minute screening call
Technical interview
Feedback
Project Selection (we are looking for the best project for you).
We work with developers from 50+ countries in different regions: Europe, LATAM, the U.S. (W-9 form owners), Canada, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK.
We don’t have a legal and ethical basis to accept applicants from the following countries: Russia, Belarus, Iran, North Korea
We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.
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Last Updated: March, 2026
