Senior AI-Integrated Full Stack Engineer
First seen by Alion on Oct 1, 2026.
About the Client
Our client is a fast-growing deep-tech startup building advanced solutions for monitoring large-scale critical infrastructure. Their technology combines innovative fiber-optic sensing with machine learning to turn existing optical fiber into a real-time distributed sensor, helping monitor infrastructure such as power grids, pipelines, railways, roads, and other critical assets.
They are building a scalable, cloud-native platform designed to solve real-world, high-impact problems. Their culture is product-driven, fast-paced, and ownership-oriented. They value strong engineers who think like builders, move fast, and care deeply about quality.
We are looking for a Senior AI-Integrated Full Stack Engineer to join our client’s applications engineering team. You will play a key role in designing, building, and scaling their platform end-to-end — from intuitive frontend experiences to robust backend services and cloud infrastructure.
What You’ll Do
* Design and implement scalable, high-performance web applications end-to-end
* Be part of an intensive transformation to modern AI work methodology using the latest AI models.
* Architect backend services and APIs and build modern, responsive frontend applications.
* Be part of complex technical discussions with the ability to contribute a major part to the discussion and decisions.
* Own features from concept to production
* Optimize performance, reliability, and security across the stack as well as promote engineering best practices
What You Bring
* 5+ years of experience as a Full Stack Developer.
* Proven experience in development using AI as the main working tool.
* Proven experience with the relevant technologies and frameworks.
* Strong understanding of system design (experience with Chakra UI is an advantage), scalability, and cloud architecture
* Proven experience working with AWS in production environments
* Fluent in English and strong communication skills.
* You embrace change and learning on the go.
* Experience working in startup or fast-paced environments.
* Strong problem-solving skills and ownership mindset.
Our Client’s Tech Stack
* Full stack: Next.js, NestJS (Typescript)
* System design: ChakraUI
* Infrastructure: Kubernetes, Docker, CI/CD pipelines
* Database: SQL / NoSQL (depending on service)
* Cloud: AWS (Lambda, ECS/EKS, S3, RDS, etc.)
AI & Modern Engineering Expectations
Candidates must be proficient and up-to-date with the latest AI advancements, actively using AI-powered development tools (like Claude Code, Code Rabbit, or similar) to accelerate development, enhance code quality, and innovate product features where AI adds user value.
Nice to Have
* Experience with Spec-Driven-Development and methodologies to support full AI embracement
* Experience designing and developing microservices architecture.
* Experience with Python and Dash.
* Background in performance optimization and distributed systems