Full Stack Engineer (Java + React)

Building the Next Generation of Agentic AI Platforms Why This Role My client is building the next generation of agentic platforms and AI-powered enterprise systems. As a Staff Full-Stack Engineer, you won't just ship features- you'll architect the core systems that power intelligent workflows at scale. You'll design both the brains and nervous system of the platform: robust Java backend services paired with high-quality React.js interfaces. What You'll Do: Design, build, and scale end-to-end full-stack systems Architect backend services in Java (Spring Boot / microservices) REST APIs Asynchronous workflows Distributed state management Build modern frontend applications using React.js + TypeScript Integrate LLM-based agents, RAG pipelines, vector stores, and orchestration workflows Define and own API contracts for frontend, third-party, and enterprise integrations Ensure system performance, reliability, observability, and security Champion clean architecture, testing strategies, CI/CD, and documentation Influence platform-level architecture decisions Mentor engineers and elevate engineering standards across the team What You Bring: 9+ years of full-stack engineering experience Strong expertise in Java (Spring Boot / microservices) Deep experience building applications with React.js Experience with REST APIs, PostgreSQL, Redis, Kafka (or similar event systems) Strong frontend architecture and performance optimization skills Hands-on experience with GCP, Docker, and CI/CD pipelines Comfort operating in 0-to-1 and fast-scaling startup environments Strong communication skills and cross-functional collaboration ability Ownership mindset with a passion for building high-quality systems Salt is acting as an Employment Agency in relation to this vacancy.

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

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Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...